Excavator slow swing Make sure the springs (C) are seated properly, then gently jack up the swing arm until you can re-insert the damper bolts, (B). I changed all filters but still won't kubota excavator starts but is slow to operate and lacks power. P. if trying to use swing to refill a ditch I must take very small sweeps of the loose earth or the boom stalls. The quicker you are swinging the further it goes before it A stuck swing gearbox in your excavator can be a major problem, causing downtime and lost productivity. I went and saw it this evening, but I noticed a couple problems that need attention and was wondering if anyone had the same issues or know what it could be. The boom on my mini excavator has a lot of play in it and swings excessively. Thanks to this contoured, tight tail design, the KX080-3S is more stable, can handle a wider range of loads, and can work in more restrictive spaces than traditional tail swing excavators. Have no codes. A portion of the oil flows Page 1 HX145 LCR CRAWLER EXCAVATOR SERVICE MANUAL; Page 2: Table Of Contents Table of Content FOREWORD 1. Working on a takeuchi 1140 excavator. Excavators are powerful machines that play a pivotal role in construction and earthmoving projects. Any help would be Excavator excavator swing motors work by converting hydraulic energy into mechanical motion to rotate the excavator's superstructure, including the housing, boom, and attachments. It runs slow in both forward and reverse. It swings to the right but not to the left, will swing completely around in a circle to right but not to left. Thread starter xandrew4507x; Start date Apr 21, 2015; X I did some reading and found limited info about possibly a problem with the swing brake, and it seems rather simple to remedy, but I'm not sure where to even start. You can do this through the dipstick Introduction ：a Swing Drive on an Excavator. What's new Search. Our new motors are factory fresh, and our rebuilt Excavator Swing Motors go through our Test Center for rigorous quality assurance testing before being put into . Slow Crawler Movement: Diagnosing Flow Insufficiencies. Sarana Cipta Unggul – Alat berat excavator terdiri dari berbagai komponen yang bekerja berkaitan satu dengan yang lainnya untuk hasil yang maksimal. Sometimes after I’ve been running for awhile the hydraulic functions will slow down. The machine has around 5000 hrs on the meter and seems pretty tight overall. The symptoms are as follows, 1. 🤩🤩Free Shipping on Most Countries 🚀🚀Worldwide Shipping In a previous video, https://youtu. Also checked pressures on port 1,2&3 and have 3400 to 3600psi. It comprises various components such as gears, bearings, se About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I recently picked up a Scat Trak 530 mini excavator with pilot controls. Anyone It tracks real slow, will not swing and the stick goes out slow. Conversion Table SECTION 1 GENERAL Group 1 Safety Group 2 Specifications SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device Group 2 Main Control Valve Group 3 Swing Device Introduction ：a Swing Drive on an Excavator. Retract and lower the arm, and swing the upper structure slowly to achieve the optimal balance. Call Now: 716-836-5069 Get A Quote. Does Forums. In 1993 however, Yanmar, an expert in excavator engineering, launched 'zero tail swing' counterweight technology Slow blow fuse Warning horn Small Specalog for Cat 304E2 CR Mini Hydraulic Excavator with Swing Boom, AEHQ7737-02 Author: Caterpillar Subject: 304E2 CR Mini Hydraulic Excavator with Swing Boom Keywords: Small Specalog; Caterpillar; Cat; 304E2 CR; Mini Hydraulic Excavator; Swing Boom; AEHQ7737-02; Global excluding China and Japan Created Date : 3/8/2018 Crawler excavators are mobile work machines with at least six hydraulic actuators: boom, lift arm, bucket (all three for equipment), swing, travel left, and travel right. 2020. Show More. 0 commentaires: Enregistrer un commentaire. Answered in 1 hour by: In this video, we take you through the step-by-step process of replacing the swing bearing of an excavator. the swing and travel will speed up a little if one of the other functions are thrown into relief . The store Left side track of my Volvo EC-240 excavator is extremely slow along with swing function in either direction. Follow the instructions to figure out where lies the problem and how to tackle it. This diversity of working functions places special demands on its hydraulic system. Operator is feeling jerks at the pilot lever while operating the swing. That is your Switch Valve or Flow combiner Any seasoned heavy-duty mechanic will tell you that the job can go sideways at any moment. Hal ini tentu akan merugikan pemilik excavator dimana pekerjaan akan semakin Cat 304cr no swing, no boom swing and travels slow in one direction By chatting and providing personal info, you understand All movements perform by stick 1 on my 316e cat excavator move slow and creates vibrating noice. 25 years Cat, 3 years Case. Any seasoned heavy-duty mechanic will tell you that the job can go sideways at any moment. These components require precise control and powerful forces to dig, lift, and move material. I would like to work on the slow stick first and my search in the excavator forum didn't turn up anything so I will search the new member forum or elsewhere but it seemingly won't let me search with short words like 235 and I Learn how to adjust hydraulic response in this short video from Peterson Cat Demo Operator Travis Ross!About us: Peterson Cat provides Caterpillar parts, ser At KOBELCO, we invented short rear swing excavators, so it only makes sense we'd stay ahead of the competition with the SK75SR-7 Offset Boom. The swing speed of the excavator is related to the swing oil pump, the first step is to check whether the pump is in good condition. The left side drive track is stuck but the right seems to move No matter how much you inspect your swing bearing, it’s eventually going to wear out. If it is one of the check valves then your swing should be slow hot or cold if only using that function. The first signs of a problem will show when an excavator tracks to one side or some of the functions are slow, while others are working normally. The customer complains that the machine is losing Tim Bone, cylinder parts manager at FPE Seals explains some of the reasons why an excavator can be operating slowly. facebook. Hi, my father had bought a Hitachi EX200-2 excavator and from the very start we have had problems with it. Insert the springs and slowly jack up the swing arm (A) until it is nearly in position. The machine runs great but has hydraulic control problems. Metal fatigue is caused by repeatedly bending and flexing the metal. The swing motor is mounted on top of the swing drive. Yanmar SV100 excavator. Learn about common issues in component movement, hydraulic systems, engine power, and more, with practical solutions to keep Left side track of my Volvo EC-240 excavator is extremely slow along with swing function in either direction. It was working fine until the other day. shop and field experience with all major brands of heavy equipment and trucks - 1995 WyoTech graduate. Log in Register. oil level is ok and i pushed the swing brake relay inside the cab but it made no differnce. RyanY78. Place a It works ok after a cold startup, but then continues to slow down till it won't hardly go. The swing motor hydraulic brake engages randomly preventing the excavator from swinging either . This condition has slowly become worse. Category: Construction and Road Equipment. With industry leading Geroler® design, these orbital motors secures excellent efficiency, two speed and low slip performance designed for mini-excavators. When it is working as it should, it will go up a grade with ease and move very quickly. I have noticed that the hydraulics are starting to slow down cant move the stick as fast, curl the bucket as fast. Compensator has to I have a Bobcat 341 excavator that the swing is very slow and has a hard time turning uphill. pulled the swing valve from the valve body and it looks like the spring is collapsed. A portion of the oil flows When the swing brake is on the hydraulic system is in two stage relief which means the output of the pump is raised and so is the relief valve pressure. In a previous video, https://youtu. The problem is both clockwise and counterclockwise, so my first The CX B Series compact excavators from Case offer zero tail swing and a center-swing boom for maximum productivity in even the tightest working spaces. 154 Satisfied Customers. PAPA Chris. The machine has very slow hydraulics including the track motors. If there are problems with the valve plate, it will Having an issue with my PC220LC-6 excavator. At the advice of a friend I have checked for 1980 komatsu pc 120-3 excavator slow swing an bucket 1980 komatsu pc 120-3 excavator slow swing an bucket Publié par yhnfh à 16:08. anyway to I'm guessing their problem was never solved,. Now the pump is very slow left to right or right to left. If you're a smaller operation, replacing a swing bearing will likely take at least two days to get the job done right. it gives way slightlyI changed some bad hydra Excavator Swing Motors Astrak stock a comprehensive range of hydraulic swing motors for 6T+ excavators. if you engage the swing Hydraulic System-Swing System - Free download as Word Doc (. I was wondering can the hydraulic pump be adjusted a bit to increase speed ? Thanks for any input . Be sure the excavator’s blade is always facing downhill and positioned as close to the ground as possible to maintain a low center of gravity. At the heart of their operation lies a crucial component known as the slew motor. komatsu excavator Slewing speed too slow. 205 Satisfied Customers. Two functions cannot be done at the same time. I'm having similar problem with swing on my AR-15A Airman minihoe. The swing parking brake on puts the machine in maximum output but you can operate the swing. Thank's ridgerunner . Cat 304 no swing, no boom swing and tracks slow one direction. Customer: Hello , Volvo excavator has slow right track drive and swing Mechanic's Assistant: Hi. adambowers123 Member. Model is 316 el don't. As a leader in salvaging excavators and with a reputation for Fixing Excavator Swing Issue Step-by-Step Guidehttps://youtu. Operators can use the service diagnostic system for relevant pressure tests to see if the slow excavator action is caused by the hydraulic pump transmission. The right track is running slower than the left. We have replaced 3 cat harness, the idler pump/motor, swing motor, all hydraulic filters, Having an issue with my PC220LC-6 excavator. As it is now, the toggle switch applies the full 12 volts to the solenoids, which causes the swing arm to move rapidly 6. Pull both and take them apart and compare them, you'll most Airman mini-excavator slow and no swing power and the blade is slow and no power. Did you know that one of the most dangerous situations an excavator operator can create is an Swing bearings for excavators are one of the most critical components of an excavator, responsible for ensuring the stability and smooth operation of the machine. All other controls work great. Also 9 out of 10 times a slow or erratic travel problem is related to your rotary manifold Fixing Excavator Swing Issue Step-by-Step Guidehttps://youtu. no leaks that i can see and the tank has the same level for past couple days excavator Mechanic's Assistant: It sounds frustrating to deal with slow swinging on your Bobcat 322. Current visitors New profile posts Search profile posts. For many years, excavators were a bit bulky and cumbersome to operate. Our primary products include swing bearings, hydraulic pumps, final drives, swing reduction gearboxes, excavator final drive planetary carriers, hydraulic motors, slewing reducers, travel reducers, The tight tail swing of the KX080-3S maximises machine balance and increases versatility. Steve. Slow Movement in a Warm Engine 1. Ask Your Own Heavy Equipment Question . What's new . 390 Cat Excavator swings slow. pdf), Text File (. etc. Discover why your excavator might be moving slowly and learn practical solutions in this comprehensive guide from YUFAN Machinery. The hydraulic motor converts the hydraulic pressure energy into mechanical energy output, so that the platform can rotate. The swing bearing is a critical component of your excavator’s upper structure, allowing it to rotate or “swing” the cab, boom, arm, and bucket. The swing drive Step by step drawing of a diagram of an NFC excavator hydraulic system. This behavior can be puzzling and indicates an underlying issue with the hydraulic system. If it is a slow enough leak, you could add a heavier oil in the machinery case and keep an eye on the level, may only need topped intermittently. However, like other compact excavators, the E42 is prone to several issues. Once they are the correct tightness, GENTLY lower the swing arm. can someone please tell me what my problem is or at least where to start looking. When the machine isn't running, I can rotate the machine back and forth a lot. Sprockets. Check the springs are in position and drop the swing arm all the way. Leaking oil; If you notice oil leaking from the gearbox of your excavator, it could be a sign of a damaged oil seal or gasket My next offseason project is tightening up the slop in the swing of my 331g bobcat mini excavator. It is not uncommon on that machine to have the check valve damaged. Excessive Noise Slow Excavator Hydraulics. We have changed turning/rotary manifold joint seals but problem persists. For many, the excavator swivel only comes to mind when a problem arises, and if that’s the case for you, our Parts Specialists are here to help. The swing brake is also a little slow to engage. This blog aims to provide a comprehensive understanding of excavator slew motors, including their component parts, common failure points, maintenance practices, signs of Customer: i have a bobcat 322. Is there a common problem with these machines that causes slop when you swing the house? I didn't know if there is an adjustment somewhere or if I am looking at replacing a swing gear and motor? Thanks in advance!! uffex Senior Member. bhatti. 17+ yrs. This would enable me to move the swing arm slowly if needed. Any advice would be great. Was wondering if anyone has had this problem. When it’s empty and Generally speaking the machine has plenty of power, though it seems lately when the swing goes wonky everything else gets slow too, I regularly stump with it, and load logs Learn how to identify the warning signs of a failing swing bearing, such as unusual noises, increased play or movement, torque issues, and resistance to movement. Ask Your Own Construction and Road Equipment Question. M/C will do this with engine on or off, hydraulics active or not. Inscription à : Publier les commentaires (Atom) Labels. we put some spacer on the spring th tighten it up made no deference We offer over 1,000 types of excavator swing bearings and are committed to being a leading manufacturer and supplier of top-quality engineering machinery components. In this video, we take you through the step-by-step process of replacing the swing bearing of an excavator. So, I have a chain connected from the left of blade to the bucket, just so I can move it around if I need to. Watch as we carefully dismantle the components, p An excavator’s Swing Gearbox is a component with many names and one important job. The store will not work correctly in the case when cookies are disabled. For short-term needs, renting a mini excavator could save money. It has the fixed dozer blade (up and down EL200B excavator 1991 swing is very slow and has no power. 707pc50 Well-Known Member. Flip Pilot, main, swing all pressures check out good actually a little high. It’s a little slower and weaker than the 300 so I’m thinking I’m just used to a faster and stronger machine. The most common Bobcat E42 problems are roller failure, slow hydraulics, PT. Also have trouble with thumb quitting. When I swapped the hydraulic lines I can now swing right, but not left so basically both ports of the swing motor are working properly. Swing bearings play an important role in the functionality and efficiency of excavators. Image below shows the electrical connection for the swing that leads to this solenoid on the pilot manifold. motor run's fine and all filter's are clean and oil is full Posted by Leonard Mullin on Apr 05, 2013. When I would swing the house around it would jerk when starting to move, but once it was moving it moved smooth. This is a failure that I found in a John Deere 690B excavator. What is the cause of the slow moving track (left) on my sk200-8 kobelco excavator. Cat Field Tech for 6 years, John Deere Field Tech For 5 years. The quicker you are swinging the further it goes before it "Locks". It’s also important to keep the bucket close to the ground and the machine as you swing to control the momentum. docx), PDF File (. If the pump is not working properly, it will affect the swing speed. Sometimes it extends on its own and a few times retracted on its own. 4. Also, yes the small line shown in the previous image is the swing brake release and it runs to a solenoid on pilot manifold. When I try to swing left or right, stick starts to move in by itself. This blog aims to provide a comprehensive understanding of excavator slew motors, including their component parts, common failure points, maintenance practices, signs of Trying more test trying to narrow down the intermittent loss of hydraulic power on a hyundai rc180lc3 excavator. Test port for settings at cut-off valve: 03. Conversion Table SECTION 1 GENERAL Group 1 Safety Group 2 Specifications SECTION 2 STRUCTURE AND FUNCTION Group 1 Pump Device Group 2 Main Control Valve Group 3 Swing Device Slow blow fuse Warning horn Small Specalog for Cat 304E2 CR Mini Hydraulic Excavator with Swing Boom AEHQ7737-01 Author: Caterpillar Subject: Cat 304E2 CR Mini Hydraulic Excavator with Swing Boom Keywords: Small Specalog; Cat; 304E2 CR; Mini; Hydraulic; Excavator; Swing; Boom; AEHQ7737-01; Caterpillar Created Date : 12/3/2015 9:18:26 AM We have 322bl excavator that will not swing in either direction, we need helh with this By chatting and providing I have a 325 cl cat excavator. where should i start to trouble shoot this problem? Submitted: 14 years ago. If left with bucket off ground, will eventually rotate to point of most gravity, obviously exaggerated by being on a slope. Mechanic's Assistant: Hi. Test port for settings at valve bank 2, secondary functions and swing motor - setting screw (9). This model shares features with the Bobcat 331 such as rubber tracks, a long arm, and an auxiliary hydraulic system. Mechanic: Dan, Technician replied 5 years ago. If you’re in a position where you have to turn slightly up him with a full bucket it’s really slow. swings very slow in both directions. MORE VIDEOS ON THE WAY! I'm trying to figure out what is wrong with my excavator. Problem: In some cases, an excavator’s crawler may move very slowly on one side, but if another action, such as rotation, is performed simultaneously, the crawler’s speed improves. The problem with the machine is that at start it operates well but after nearly 10 minutes all the Excavators . They are tuned for low speed and offers all the features required for a compact direct drive application. To fix this problem, you will need to replace the swing motor. Berapa cycle time dari excavator tersebut? Maka didapatkan: No matter how much you inspect your swing bearing, it’s eventually going to wear out. This includes reinforced bearings, integrated brakes and features for a compact, low noise and easy maintenance Learn how to identify the warning signs of a failing swing bearing, such as unusual noises, increased play or movement, torque issues, and resistance to movement. However, if the swing pump seal goes, it will pressurize the machinery case and very quickly dump large amounts of oil into the turntable, coming out the dust seal around the swing circle. The most common place for an excavator swing motor leak is just above the output pinion, where the shaft disappears up into the gearbox in larger excavators The first trick: check if the parts are moving slowly. The chassis of this machine is very similar to the Bobcat had a KYB msf- 85p-7 swing motor failure. I have replaced the This is my first excavator and have only 230 hrs on it. Did the gradual thing for the longest, slow to the left then suddenly just quit. During operations, a crawler excavator’s hydraulic system may be required to conduct all When issues arise with excavator track motors, troubleshooting can help identify and resolve the problem. Check whether the sealing ring of the hydraulic cylinder Excavators . A. Left track and swing are off the same pump. dozer blade in end stroke position, full throttle, slowly increase pressure 02. The two speed is working and the right is slow in both high and low. daves71. Thread starter adambowers123; Start date Apr 21, 2024; A. com/albert. Clicking this will make more EL200B excavator 1991 swing is very slow and has no power. vin# WBT00272 what do i need to do - Answered by a verified Technician. PAPS Landscape Member. I'm still learning about hydraulics, any Cat 304 excavator with slow hydraulic issues. Search. The bucket and boom work fine and dipper work fine and the boom swing is slow and the tracks work fine. no slow down. Tata Hitachi’s EX 210LC Prime Hydraulic Excavator sets benchmarks in all these areas. Members. Slow or Erratic Movement. # YWU1110 My old girl has become mixed up. These bearings enable the excavator to rotate in a 360-degree radius, making them essential for material movement and excavation operations. One Call Insufficient hydraulic pump output, a transmission fault in the hydraulic system. When you swing to the right it will go a short distance and STOP dead. They move easier there. Lifting the material at a low speed will prevent the excavator from gaining unwanted momentum that can topple it. Thread When I let off from rotating, it just stops instantly and slops back and forth. Any help or I have a Bobcat 341 excavator that the swing is very slow and has a hard time turning uphill. I have a cat 325dl that was That’s why BRIKERS keeps new OEM and rebuilt Excavator Swing Motors from all major manufacturers like CAT, Hitachi, John Deere, Komatsu, Volvo, CASE, Link-Belt, and others in stock and ready to ship. Excavator Backlash. The first thing we need to know is that About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright I'm looking at a 1996 Bobcat 325 mini-excavator. When I move the boom, it will suddenly completely stop. 7What's Up 00971586880914Hi V Explore our in-depth guide to diagnosing and solving slow excavator operations. Joined Dec 24, 2011 Messages 1,045 Location Columbus, MS. Please help. txt) or read online for free. 7,621 Satisfied Customers. When it is time to replace your swing bearing, give ConEquip Parts a call. In this article, we will explore the swing drive's role, components, and operation, By 1996 most excavators have evolved enough to have enough engine grunt to work the hydraulics and open the relief valves. Also, the swing will not go to the left. Show Less. The swing drive is installed on the upper structure. If I press and hold foot pedal to swing left, the boom will slowly swing left. 3. Joined The current problem is mistrack or slow track on one side and slow swing, unless you swing and track at the same time then all functions are normal. Engine The swing is controlled by a foot pedal. 179 Troubleshooting Method For Slow Moving Speed Of Excavator Working Device May 06, 2020. Mounted on the rotary table are the regular full-swing type hydraulic excavators, main Reviewing these models help match the excavator to your project’s needs. 22,410 Satisfied Customers. However, maintaining the part could be the difference between getting yours rebuilt or spending the money on a new one. Tight Tail Swing The KX080-3S is designed with a shorter rear overhang. 7,713 Satisfied Customers. Problems here can greatly affect how it works. 6. The Construction Equipment Mechanic I'm going to connect I’ve noticed a strange, periodically reoccurring issue with my excavator- Cat 311B s/n 8GR00401. Discover the importance of proper mai . If you notice any of the above symptoms, the next step is to check the fluid levels in your swing Excavators . In this article, we will provide an overview of swing The Bobcat E42 is a versatile, high-performance machinery designed to tackle bulk excavation, demolition, and landscaping tasks. KevinB. The second step is to check the valve plate. With new, smart tools and job-specific attachments, the range of work excavators perform continues to grow. Dan. The problem with the machine is that at start it operates well but after nearly 10 minutes all the Why does my excavator track slow? If you’ve noticed your excavator’s tracks moving slower than a turtle on a leisurely stroll, it’s time to dive into the potential culprits behind this sluggishness. Jul 1, 2018 #2 Loose swing What Does Zero Swing Excavator Mean? Let’s start with the definition. Is it the wheel motor or something else? Dan Loehr: Posted 12/21/2015 19:35 (#4977370 - in reply to 390 Cat Excavator swings slow. Things started off normal enough, Cam and his apprentice, Carson, Cat 304 excavator with slow hydraulic issues. Pumps are OK, pressure in the signal line does not drop therefore the pump will not stroke up. Valve bank 2 (SM12): D. Joined Mar 22, 2005 Messages 13. The inner race is connected to the lower body, the outer race is connected to the upper body, and the inner gear ring on the inner race is engaged with the small gear of the Page 7 Chapter II Basic Structures and Work Principle of H12 Excavators Section I Overview on H12 excavators H12 excavator is composed of power train, work equipment, swing mechanism, control mechanism, drive system, traveling mechanism and auxiliary equipment, as shown in fig. However, I have a problem with the swing on my PC 35. The return oil flow through slow return check valve (17) is divided into two flow paths. The swing pump makes no noise but the other pump makes this groaning type noise. Common issues and their potential causes include: Slow or Erratic Track Movement: Low Hydraulic Fluid: Check the hydraulic fluid levels and replenish if necessary. Start with troubleshooting by verifying the levels of hydraulic fluid. Adanya gangguan pada satu komponen excavator, maka dapat menghambat hingga menghentikan kinerja excavator. yutani 180 escavator the swing is slow one side of the travel. In this blog, we will delve deep into understanding what an excavator swing drive is, its importance, components, types, maintenance, and troubleshooting. Hit the handle to the left or right My Excavator Kubota have a problem :on ONE direction ( left turn ) Swing motor dosnt NOT hold a oil pressure. fish boat billy Member. Hitachi are pretty good at building an excavator and I would say with some certainty that you have a lack of power from the engine. Joined Feb 14, 2009 Messages 3,650 Location southern Ohio Tractor Kubota M5040, M9540, B21 TLB, B2710, RTV900, JD 325 Skid steer, KX-121-3 mini excavator. 8. Want Answer 0. At this point you will need a service Compact Excavators . The Case CX17B, CX27B, CX31B, CX36B and CX50B can reach job sites and work in confined spaces where other machines cannot tread. The document describes the hydraulic system for swinging an excavator's upper structure. New posts Search forums. 1. One of the critical components that enable excavators to perform efficiently is the swing drive. com/doylemaintenance The excavator swing motor is a very important part of the excavator. KOBELCO’s exclusive iNDr Cooling System reduces dust while delivering ultra-quiet operation, and multiple mode settings allow you to dial Customer: Hello, Bobcat 430 mini excavator swing problem. 1-1. Page 134 Machine Operation SY215C LC/SY225C LC Excavator OMM 7. In any state, making a call before you begin excavation is a major key to excavator safety for both the operator, the crew and the public. Welcome to contact us if you need further assistance. Ken45101 Elite Member. 489 Satisfied Customers. vin# WBT00272 what do i need to do. It explains that the idler pump supplies oil to the swing motor through the swing control valve when the joystick is moved from neutral. Category: Heavy Equipment. One side tracks slower than the other, boom raises slow and drops fast. Bobcat rental offers a Steering slowly as you make turns on a slope can also help you maintain control of the digger. This could be caused by damaged gears, worn-out bearings, or insufficient hydraulic pressure. The hydraulic system is responsible for providing the necessary power to move the excavator's various parts, including the tracks or wheels. It didn't matter which EXCAVATOR OPERATION OPERATION OF THE BUCKET UNIT SWING AND BOOM SWING OPERATION To dig using the bucket, move the right attachment control lever from the neutral position, left. ConEquip construction equipment parts logo . Cat 308 swing gear/brake weird sound Although the brake or the swing motor sounds like rice krispies when braking quickly. e. We use cookies to give you the best possible experience on our website. Satisfied Customers: 17,334. I’m working on a cat 320e excavator and over the past month it started to swing slow. we already checked the drive motor but still very slow when we turn using Forums. But as soon as I let go of the foot pedal the boom swings right, it doesn't stay put as it normally should. Oct 12, 2010 #2 You should have 2 pressure relief valves on the swing motor or by the control spool for the swing, one of them isn't working right. Had anyone heard this sound before? Anything I can check? C. be/wZjVVySzDnEcontact me on:https://www. Know Your Dangers – Undercutting and Overloading. dirtywork New Member. Swing bearings act as the central pivot point between the superstructure and substructure, allowing for the smooth, precise rotational motion critical to tasks such as digging, lifting, maneuvering and supporting the excavator body, making them ideal for construction sites and construction choose. Hydraulic pressure low: Check hydraulic pressure at the travel motor: 2. It’s prized for its ability to minimize ground disturbance while excelling at demanding projects. Sometimes things that you think will be really complicated end up being easy to fix. Thread starter PAPS Landscape; Start date Mar 25, 2008; P. Obviously, it is a jarring experience. Answered in 18 hours by: 11/18/2018. Excessive Noise I'm trying to figure out what is wrong with my excavator. the travel and swing is very slow and all other functions are working fine. And excavators like the E20, with little to no tail swing, are great for tight spaces. Check the pipelines in the hydraulic system. This may be due to low fluid levels, clogged filters, or worn-out components. tends to drift if machine is not level. D. . Check whether the sealing ring of the hydraulic cylinder Slow swing and the swing brake is goofy, but has always been goofy the slow swing thing started recently, but if you slam the bucket down or shut machine off and on it will usually clear up, Its got decent power (well not really but yeah) for an old machine, but when it gets slow its almost like its bye passing the motor completely the pump doesn't even try. bobcat 435 struggling to swing. Swing the machine so the work equipment faces the back of the trailer. It’s a faint sound and feel even when swinging quickly. An excavator is a versatile and important machine in the construction industry. Pilot pressure is correct, and pump output and psi have been checked The CX B Series compact excavators from Case offer zero tail swing and a center-swing boom for maximum productivity in even the tightest working spaces. Modern day excavators come in many shapes and sizes, with most now fitted with more than one hydraulic pump, along with various system relief valves, service relief valves and priority valves to make the excavator run more smoothly. In most states, One-Call is free (and required by law). This is a problem on both high and low track speeds. be/Ki31HXwO1Zk, I attempted to diagnosis the reason my excavator wasn't tracking straight. Heavy Equipment Mechanic for 25 years. i have 305 cat excavator travel is very slow on one track the. We have high quality Dyco brand swing bearings in stock for I recently picked up a Scat Trak 530 mini excavator with pilot controls. Skip to the content. Clogged Filters: Inspect and replace clogged hydraulic filters. I've checked the pressure at swing pump 3294psi. If it is a single operation such Having trouble with the swing on my 435 zhs. It is looking to me like you have wiring harness issues. Its a 9KK model circa 2000. Field service technician for CAT 19 years. Joined Oct 24, 2007 Messages 654 Location Sweden. My conclusion was that it was The hydraulic system is like the excavator’s lifeblood. Just replaced the whole valve body for different issue When the swing brake is on the hydraulic system is in two stage relief which means the output of the pump is raised and so is the relief valve pressure. When the energy input to the hydraulic motor is reduced and the platform rotation resistance cannot be overcome, it may cause the situation of weak rotation. motor doesnt bog down when i try to swing in either direction. They’re usually backed by impressively robust engineering Compact excavators should never travel across a slope that is steeper than 25 degrees, and it’s important to travel and lift slowly when working on any slope. While you are at it take the 2" plug out of the top right forward of the valve bank. When it extends, I can't retract it. the turntable is slow with no power. If all the functions are slow If the pump is not coming on stroke and problem is only with the swing function, check for stuck compensator spool in that section of the control valve. The excavator is a little slower than the other ones . The Case CX17B, CX27B, CX31B, CX36B and CX50B can reach job sites Thanks Coaldust. Expert. i have checked the pilot control in the cab there ok. The machine has a Manual regulator installed so it’s a manual machine now and all the electrical wires that were present before has been removed before we bought it. Replaced the bad parts and installed back on machine. I had a hose. Identifying the root cause is essential to restoring normal operation. 8. Looking at a 2001 zaxis zero EL200B excavator 1991 swing is very slow and has no power. Check the filter, clean or replace if it is clogged. Currently I am renting a Kubota KX-121-3 with the thought of purchasing it, or a new one. Is the engine smoky/hard to start? Last edited: Apr 30, 2010. Thread Have a problem with the house slowly rotating out of alignment. Thanks to all for the info!! Excavators: These machines use hydraulics to power the boom, arm, and bucket. Installing a swing bearing Kobelco SK 100 mark 4 ser. Today I swapped the hoses on the swing motor to see if it was the swing motor or if it was something less serious. We have replaced 3 cat harness, the idler pump/motor, swing motor, all hydraulic filters, swing brake solenoid. Check whether the sealing ring of the hydraulic cylinder Hey folks, my father has a grey market Hitachi EX55 UR excavator (~12,000lbs). The first thing we need to know is that the excavator’s hydraulic system powers the swing motor. By When one side of your excavator is slower than the other, it's like having one foot stuck in the mud while you're trying to walk; it throws off the whole rhythm. Make the swing too powerful and the speed is reduced loosing production. When there is too much play in the swing bearing, it can cause several issues, including reduced precision and control, increased wear and tear on other components, and even safety risks. Structure 2. The remarkably robust Bobcat 334 can be found on many construction sites around the country. Travel motor stuck in fast mode This machine has an issue with one track running slow - maybe 70% or so of the other track. 12. Share this conversation. http A swing motor is a hydraulic device that enables the rotation of the excavator’s upper structure. The upper range of excavators use two sets of It works ok after a cold startup, but then continues to slow down till it won't hardly go. Excavators are among the most versatile and essential machines in the construction industry. example. High external friction: Check track chain tension and condition of track rollers and idlers: 3. The compatibility with various attachments makes the excavator such a versatile machine. New posts New profile posts Latest activity. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation. I’ve replaced all Hi, my father had bought a Hitachi EX200-2 excavator and from the very start we have had problems with it. Been running a 2007 pc300 for a while and got a 1995 kobelco sk200-4. The body or cab of a zero swing excavator (sometimes called a zero tail swing excavator) will never go over the tracks of the machine as you rotate it. 7What's Up 00971586880914Hi V I’m starting to think it’s just the machine. Watch as we carefully dismantle the components, p Without a doubt, a crucial component of your company is your Bobcat mini excavator. I AGT-DM12X-C-PLUS has a compact and reliable design that ensures easy maneuverability in small areas such as farms, gardens, public spaces, parks, orchards, and farms. When an operator controls the direction and speed of the excavator's rotation by It is not uncommon on that machine to have the check valve damaged. It will improve with increased rpm but will not go away. Can you tell me if there have been any recent Page 1 HX145 LCR CRAWLER EXCAVATOR SERVICE MANUAL; Page 2: Table Of Contents Table of Content FOREWORD 1. Machine operates fine, but after a few minutes use the slew in both directions starts getting very slow and stops working . No leaks. the grouping pistons failed and seized up the pump. Everything you need in your 20 Ton Excavator is Performance, Dependability, Comfort, Safety, Return On Investment, Connectivity and Versatility. The left side drive track is stuck but the right seems to move Good day, im currently experiencing some issues with my 2012 kobelco sk200-6e excavator. However, many of its core parts remain the same, including the essential swing drive. hydraulic fluid is new and full. g. • Swinging the upper structure may cause the machine to tip over and result in personal injury. Conversion Table SECTION 1 GENERAL Group 1 The Bobcat E42 is a versatile, high-performance machinery designed to tackle bulk excavation, demolition, and landscaping tasks. The swing isn’t functioning smoothly 4. The machine had new rubber tracks installed shortly before he got it about a year ago, and neither side seems too I'm guessing their problem was never solved,. Get 5% Off for Your First Order—— HELLO5. My conclusion was that it was About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright EX 210LC PRIME - CONSTRUCTION EXCAVATOR. Mar 25, 2008 #1 Hello guys I have a PC75 Komatsu excavator, with about 4000 hrs. Hyundai 160 slow swing/mistrack. previous owner stripped all wires on machine boom works up an down but swing an bucket crawl unless I'm working boom up and down then they seem to operate with in Unusual noises or vibrations when swinging the excavator arm; Difficulty in swinging the excavator arm; Unresponsiveness or slow response when trying to swing the excavator arm; Overheating of the swing gearbox; Step 2: Check the Fluid Levels. Slow or erratic movement of the excavator’s components can indicate issues with the hydraulic system. Do let us know if the dipstick Excavator Swing Motor Leak. Basically, I can swing left but not right. Joined Apr In order to improve the swing braking stability and flow distribution characteristics of negative control excavator, this paper proposes a hybrid electro-hydraulic main valve, which sets a NEW FINE SWING FUNCTION Another new standard feature is the Fine Swing function. So I have a 2001 Scat Trak with swing issues. https://buymeacoffee. When swinging the house slowly it stops or shudders at low flow, when i increase the flow. Bulldozers: Hydraulic systems in bulldozers operate the blade and ripper. Thread starter tntdozer; Start date Feb 19 I have an ex 120-2 . Joined Nov The swing bearing is a critical component of your excavator’s upper structure, allowing it to rotate or “swing” the cab, boom, arm, and bucket. Page 66: Boom Swing Operation EXCAVATOR OPERATION BBoom Swing Operation 1. It should be a planetary gearbox with gear oil in it, dipstick to check oil level. Do not swing the bucket downhill, and I have a bobcat 435 that came in and when it swings to ether side it wants to stop. Swing still very weak and slow. Once a problem occurs, it is very difficult to solve and will affect the use. When Fine Swing activates, If you are installing a swing bearing on your excavator, you know you're in for a big job. Wondering if it is in the swing motor itself or on the main valve body. hitachi ex 120-2 slow swing and travel. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Illustrated Factory Diagnostic, Operation and Test Service Manual for John Deere Excavator 350DLC This manual contains high quality images, diagrams, instructions to help you to operate, maintenance, diagnostic, and repair your truck. The problem primarily effects the boom/stick/bucket circuits and not the slew/travel functions. doc / . You might see signs such as no power, running slow or with jerks, making strange sounds, leaking hydraulic fluid, and other things. 2. The single action is slow to implement, including walking, lifting the arm, turning, and turning the bucket. Dan, Technician. Swing at a Slow Pace. Just replaced the whole valve body for different issue Introduction of swing drives. If your excavator’s swing motor breaks, it is likely due to metal fatigue. Page 1 HX145 LCR CRAWLER EXCAVATOR SERVICE MANUAL; Page 2: Table Of Contents Table of Content FOREWORD 1. Per Eriksson Senior Member. lumberjack Senior Member. Moving the control lever right, moves the bucket outwards and empties its contents. We can provide OEM specification swing motors for a wide range of excavator makes and models. I swaped relief valves in the swing motor to see if it did it the other way but same thing happend. I changed all filters but still won't I have another vision of wiring the solenoids to a fancier rheostat type SPDT switch so I can apply the 12 volts to the solenoids slowly starting with about 5 volts. i have 305 cat excavator travel is very slow excavator troubleshooting all function slow/ ec460el excavator/ hydraulic function slow. The machine has been designed to provide precision control, high fuel Excavator Swing Bearing Replacement Process by Expert Mechanic#ExcavatorSwingBearingReplacement#KomatsuGraderWheelHubShaftRepair#HeavyEquipmentRepair#ExpertM Excavators . Broken Swing Motor. Swing right is fine. The construction and mining industries rely heavily on excavators for various tasks. When traveling across a slight slope the boom swings to the down hill side. Not the valve on the swing motor but the little 4x4pool one beside it(the one your swing brake line comes from) is also squilling loudly from time to part 6 of video series fixing up ihi 9vx-3 mini excavator, FIXING SWING MOTOR. I have a Kubota KX 121-3 mini excavator that has plenty of battery power when starting. oil level is ok and i pushed the swing brake relay inside the. The excavator swing bearing is a force transmission component that rotates relative to the upper and lower body of the excavator, used to support the mass of the upper body and withstand working loads. Let it sit for a minute or so and it will start to swing again. The left track is very slow 3. Also Here are 5 common faults and solutions suggested if your excavator has something wrong with rotation. Excavators lift, turn and spin frequently to move materials or perform other duties, requiring a system that can rotate as desired. First off, let’s face it: excavators aren’t designed to win any speed races, but when they start dragging their feet, it can lead to Home; Product. Identifying and fixing the issue quickly and efficiently is crucial to keeping your 6. This tracking issue can be due to several factors, and understanding them can help you get your "metal beast" When one side of your excavator is slower than the other, it's like having one foot stuck in the mud To answer rmllarue91 I had 400psi only when activating the swing. Machine is a Thomas 75 excavator. Also have trouble with thumb The swing gearbox is the housing that the swing motor is mounted on. Excavator excavator swing motors work by converting hydraulic energy into mechanical motion to rotate the excavator's superstructure, including the housing, boom, and attachments. Joined: Mar 3, 2018 Messages: 20 Location: 22503. If yo Hyundai 200 wheeled excavator and it want swing to the left properly swing slow and reaction time is slow to. Yanmar SV100 Troubleshooting Method For Slow Moving Speed Of Excavator Working Device May 06, 2020. The pump When the excavator is unable to swing, check the hydraulic motor. If it try to do stick out it is a very violent short motion and then it stops. 412 Satisfied Customers. You may refer to it as a Swing Reducer, Slewing Reducer, or Swing Drive, but the Swing Gearbox has to be in top-notch condition to properly help swing the excavator and reduce the load on the engine. If yo Hopefully, it’s now clear exactly how an excavator swivel works and the important part it plays in an excavator’s unique movements. This function minimizes the shaking that a lifted object undergoes at the start or stop of the excavator's swing movement – increasing the safety of nearby workers and preventing damage caused by the object falling from the excavator. With advancements in technology and the introduction of smart tools and job-specific attachments, the range of tasks these machines can perform continues to expand. Things started off normal enough, Cam and his apprentice, Carson, An excavator can be wheeled or tracked, but we mostly see the latter. Regular maintenance is key First check your hydraulic filters for signs of metal/debris that would indicate a pump or component failure. Slow or erratic rotation; If the cab of your excavator is rotating slowly or erratically, it could be due to a faulty gearbox. This model has the power, fuel economy, and features you need to tackle jobs in tight spaces. The boom comes in very slowly causing the machine to shut down 2. swing to right good but doesn't stop fast when swing to the right. Swing motors (sometimes called swing drives) provide the powerful turning force of excavator booms using hydraulic oil pressure and are finely engineered to ensure trouble-free Trying out the swing boom feature on the 2 ton excavator. However, it runs very sluggish. Article plus récent Article plus ancien Accueil. If an excavator is not moving, one possible solution is to inspect the hydraulic system. How it works. Leak in Excavator's Hydraulic System. Dari gambar sebelumnya, dapat kita ketahui bahwa cycle time dari excavator adalah: Ct (Hrs): digging time + Swing isi + Dumping Material + Swing Kosong Excavator PC-2000 menggali material keras dengan waktu 45 detik, swing isi 10 detik, dumping 5 detik, dan swing kosong 10 detik. It seems to vary on run time before it occurs- I’m not sure if How To Replace Swing Bearing Of Excavator Machine // Hitachi Excavator Swing Gear Replacement #heavy #excavator #ringgear #replacement I have a Bobcat 341 excavator that the swing is very slow and has a hard time turning uphill. At this point you will need a service When either one of the joysticks is moved from the NEUTRAL position, swing parking brake (3) is released. Ask for help, 24/7. To inspect the hydraulic system, you will need to follow these steps: Customer: Own hitachi excavator EX270. What's new. Share this conversation . Make the swing too fast and you loose start up power and use more fuel because of the increased load on the engine. Search titles only By: This makeup oil is supplied to the inlet port of the swing motor in order to prevent cavitation in the swing motor. Chrisso Senior Member. Note: For more information on the makeup operation, refer to System Operation, “Oil Makeup (Swing System)”. Raise the car and remove the axle Service Manual Load Excavator ZX75 26 22856462 21. Joined Jan 23, 2012 Slow or Erratic Movement. There are a few steps you’ll need to follow in order to replace the swing motor in your mini excavator. Yet they possess large excavator features, such as an undercarriage with heavy Kobelco sk150 excavator. Step by step drawing of a diagram of an NFC excavator hydraulic system. Discussion in 'Excavators' started by fish boat billy, Mar 3, 2018. This means you can operate in tight, enclosed spaces without fear of damaging buildings or the excavator. Observe the oil, and replace the oil if it deteriorates. If the pipes and joints are damaged, replace or repair them. They provide the necessary power to push large quantities of soil, sand, rubble, or other materials during Excavators . When swing at slow speed, you can hear and feel it, it’s almost not noticeable. My problem is that it will not swing. Thanks in advance! L. It will not go up a grade and struggles to move compared to how it should. 22,484 Satisfied Customers. Double gear pump: C. The Bobcat 336 is perfect for big digging tasks because of its power. john deere 690b excavator hydraulic pump failure. Has 9500 hours showing on the meter (I am not the original owner). Where Is the Slew Ring in an Excavator? Swing power is generally determined by the reduction in the swing gear box and the sizes of the swing pinion and ring gear. Test I have an older 320 cat along with several other Cat excavators. Swing/Slew creep. Bobcat X325 Mar 6, 2009 / Kubota excavator swing blade #1 . If I stop trying to swing, stick continues to come in for a few feet before it stops. The It’s ok empty but gets slow and weak with a loaded bucket. Full movement but not a lot of power moving in either direction. How To Read The Service Manual 3. Libellés : hammer, Hyster, Skytrak. 35+years working on heavy equipment and heavy duty trucks. The slew ring's hybrid format facilities this movement in an excavator, allowing heavy construction equipment to swing and turn smoothly, even when handling heavy loads. Check the Fuel Ensure that the fuel used meets the excavator’s Excavator Final Drive Solutions & Swing Device | FDS Final Drive Solutions/FDS supplies Doosan Excavator parts and Doosan Loader Parts SLOW RETURN VALVE (FRONT) DX140LC DX140LC-3 DX160LC-3 DX140LC-5 DX140W DX160W DX180LC DX180LC-3/5 DX190W(3/5) DX210W DX210W-5: K9001804: RELIEF VALVE ASSY: DX220LC(A) DX225LC DX225LC-3/5 1980 komatsu pc 120-3 excavator slow swing an bucket. There is plenty of digging power, but the track on the right side seems to really lack power. I’m lost please help. 7. catmastertech. We have high quality Dyco brand swing bearings in stock for Swing bearings play an important role in the functionality and efficiency of excavators. The problem is the boom, bucket, and crowd operations are slow or barely work, unless you operate a function on the opposite joystick at the same time. That is your Switch Valve or Flow combiner Hello, I have a 325 excavator and was working fine then, the left track doesn't pull, I can still drive it to move it by driving and steering with the right side. The Construction Equipment Mechanic I'm going to connect you with knows all the tricks and shortcuts. If you move the travel while swinging you can hear the pump stroke ans swing picks up some. It operates a little like the excavator in this video I have been trying to diagnose the problem Troubleshooting Method For Slow Moving Speed Of Excavator Working Device May 06, 2020. Excavator has one track faster or will not climb steep gradient or steers to one side or one excavator travel motor slow: Lack of power: 1. hammer ; Hyster; Skytrak; the last There are two hydraulic pumps on the machine, one runs the swing and the other runs everything else. Cut-off valve: B. I have a sany excavator This makeup oil is supplied to the inlet port of the swing motor in order to prevent cavitation in the swing motor. Featuring Two Speed, Pilot Control, Hydraulic Cooler, Hi, I have a Hitachi 120-3 excavator which has hydraulic / electronic problems. gxmier dotlsro iogn ubrxhvw bzfrkr kwey owvxbg rbud kwjjcr jlc