WebA Hitachi excavator has a slow starting speed and a weak turning load. fault analysis 1. Wear of overload safety valve of rotary motor of excavator 2. The pressure of the P1 pump and the servo pressure are lower than the calibration value when the rotary overflow pressure, no-load and load are applied.
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WebMay 6, 2020 · Troubleshooting Method For Slow Moving Speed Of Excavator Working Device May 06, 2020. 1. Check the filter, clean or replace if it is clogged. Observe the oil, and replace the oil if it deteriorates. 2. Check the pipelines in the hydraulic system. If the pipes and joints are damaged, replace or repair them. 3.
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WebIf the excavator is slow, the hydraulic system should be checked, whether there is daily maintenance on time, and whether the hydraulic oil is regularly replaced. The expired hydraulic oil will not only affect the performance of the excavator. It will also corrode the hydraulic wall of the excavator.
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WebMar 19, 2021 · Check the following: If you have a voltmeter, check the voltage from the key to the starter. l Check the directional joystick, it could be the directional cables. l Check the wires around the starter. l Check the 'dead man's switch' is up as when it's down the excavator will not start.
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WebJul 23, 2022 · 1. Oil Leakage. The oil leakage in the excavator travel motor is a problem as it could reduce the machine's efficiency. It also increases the probability of failure. To avoid this situation, you must ensure the oil level is accurate. Oil leakage in excavator travel motor is a common problem caused by faulty tensioner or wear and tear.
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WebJan 28, 2022 · An excavator swivel connects the lower and upper hydraulics of the machine through a center shaft and an outside housing. By using holes bored into the center shaft, the swivel directs fluid to specific channels (or inner barrels) created by the shaft and the housing. This design allows hydraulic fluid to flow from the center shaft, through the
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WebThe troubleshooting process doesn't need to be complicated if a logical, step-by-step process is followed that is specific to the problem at hand. Here are the five basic steps to troubleshooting equipment breakdowns: 1. Verify a Problem Actually Exists. The troubleshooting process begins with symptom recognition.
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WebMay 31, 2022 · Troubleshooting Your Excavator Final Drive Several issues may lead to the excavator's final drive loss of power, noise, leaks, overheating, and vibrations. Let's find out the major problems and how you can solve them. 1. Noise In a broad sense, noise is a sound that is unwanted or considered unpleasant.
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WebApr 22, 2012 · The stick boom is very slow on the close function - Answered by a verified Technician 23 Years Heavy Equipment and Truck Repairs Shop and Field in the Minning and Construction Industry Journeyman. 3,257 satisfied customers. 34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting. …
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WebDec 17, 2018 · Excavate machine (excavator) stick speed is slow, excavation is unable to repair (wéi xiu) method (method): the stick HI valve slide valve is disengaged from the intermediate thread, and the damaged thread is processed …
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WebMar 28, 2022 · komatsu PC138 excavator's two main pumps were replaced at the same time, causing too much oil flow, overheating and causing the engine to stall
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WebKnowledge How to solve the slow turn of the excavator? First, check the hydraulic steering system for leaks. When the excavator has a large loss of hydraulic oil, the system pressure drops, the movement of the steering cylinder and the motor is not stable, and when the steering is slow and the power is not strong, the steering failure is considered as a …
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WebMar 29, 2022 · Kubota's excavators are known for their reliability and their efficiency, but even the best machines can have problems. If your Kubota excavator starts but lags or lacks power, the problem may lie with its hydraulics, engine, or electrical system. Complex machinery like excavators requires a lot of parts to function properly.
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WebMar 29, 2022 · 2. The komatsu excavator boom lift speed is slow or the hydraulic cylinder moves slowly. The komatsu excavator boom lift speed is slow or the hydraulic cylinder moves slowly. Solution: Check the oil level of the swing motor and the swing gearbox. When it is found that the oil level is too low, add the appropriate amount of oil; check …
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WebDec 17, 2018 · Excavate machine (excavator) stick speed is slow, excavation is unable to repair (wéi xiu) method (method): the stick HI valve slide valve is disengaged from the intermediate thread, and the damaged thread is processed …
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WebMar 19, 2021 · WHY IS MY EXCAVATOR MOVING SO SLOWLY? One of the most common causes of this issue is a problem with the hydraulic system. It's best to get a service tech to come out and conduct an inspection on the hydraulics. Some causes include: l Corroded hydraulic seals l Old or damaged hydraulic drive l A malfunctioning hydraulic …
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WebBuy Used Mini Digger Excavator China Direct From Used Mini Digger Excavator Factories at Alibaba.com. Help Global Buyers Source China Easily. MENU MENU Alibaba.com. English Sourcing solutions Services & Membership Help & Community
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WebMay 6, 2020 · Troubleshooting Method For Slow Moving Speed Of Excavator Working Device May 06, 2020. 1. Check the filter, clean or replace if it is clogged. Observe the oil, and replace the oil if it deteriorates. 2. Check the pipelines in the hydraulic system. If the pipes and joints are damaged, replace or repair them. 3.
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WebApr 7, 2020 · Why does the excavator cause slow motion? Common causes: 1. The oil cooler is clogged. 2. The speed of the oil cooling fan does not match. 3. The set pressure of the main release valve and the door release valve, and the pressure of the operation release valve is lower than the standard value. 4. The pressure of the main relief valve is too
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Web1. Check the oil. Check whether the fuel used meets the requirements of the excavator. If the fuel is not replaced for a long time or the oil is too dirty, replace it if it is too dirty. Check the oil filter for copper scraps, causing the main pump to wear. If it is worn, disassemble it.
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