Suqian Liugong Excavator

  • Komatsu PC60-7 excavator hydraulic oil temperature is high

    Nov 15, 2018 · Komatsu PC60-7 excavate machine hydraulic oil (Hydraulic) high temperature, slow down each action Phenomenon: After 4,600 hours of Komatsu 60-7 excavator work, the temperature of the digging machine increased, the movement slowed down, the radiator was cleaned, and the main pump was repaired (the top of the main pump was a little worn (a basic type of component failure), Changed …

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  • Excavator Hydraulic Oil And Hydraulic Component …

    May 30, 2020 · It is caused by the spring's rigidity or deformation, poor contact of the cone valve, inaccurate pressure gauge, insensitive movement of the spool valve and unclean hydraulic oil. ②Vibration and noise.

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  • Operation Maintenance Manual - Discount Equipment

    The Bobcat excavator is highly maneuverable and compact. It is rugged and useful under a wide variety of conditions. This presents an operator with hazards associated with off highway, rough terrain applications, common with Bobcat excavator usage. The Bobcat excavator has an internal combustion engine with resultant heat and exhaust.

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  • Why Is Oil Coming Out Of The Filler Cap? - PeachParts

    Sep 23, 2008 · Each lobe has an oil jet spraying onto it so there are 10 lobes, tappets and valve springs slinging oil all over the place. The blowby gasses are flowing up from the front of the engine through the timing chain passage towards the rear of the valve cover so blowby actually blows most of the oil spray away from the oil cap.

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  • How to Bleed Air from a Dump Truck Cylinder

    Mar 04, 2016 · Depressurize the system before opening the air valve at the lower side of the hydraulic cylinder. Startup the hydraulic system. Retract the hydraulic cylinder slowly with no pressure built up. Keep retracting the dump truck cylinder until there is oil or foam coming out of the air valve. Shut down the system and close the air valve.

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  • Causes of failure of engine speed of 2.0 ton excavator

    Dec 09, 2020 · Starting from the combination valve, remove the two oil pipes on the pressure limiting valve and insert them into the oil ports. The central rotary joint has many oil passages that are easy to collude with each other. This is the problem of the engine speed of the excavator and the reason why the throttle cannot be increased. Hope it helps you.

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  • Komatsu PC60-7 excavator hydraulic oil temperature is high

    Nov 15, 2018 · Komatsu PC60-7 excavate machine hydraulic oil (Hydraulic) high temperature, slow down each action Phenomenon: After 4,600 hours of Komatsu 60-7 excavator work, the temperature of the digging machine increased, the movement slowed down, the radiator was cleaned, and the main pump was repaired (the top of the main pump was a little worn (a basic type of component failure), Changed …

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  • FREE Excavator help problems and solving them

    Look for grease for leaks out of the bearing (bad seal). also on larger excavators. Oil pours out of the swing bearing because the swing motor seal blew out. The side to side play in the gear teeth could be excessive, if it has a lot of side to side play it will make the excavator harder to zero in on the bucket target as it rocks to a stop.

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  • Amazon.com: Best Oil Extractor

    FREE Shipping on orders over $25 shipped by Amazon. More Buying Choices. $19.77 (2 used & new offers) Lumax LX-1314 Gold/Silver Manual/Pneumatic 2-in-1 Fluid Extractor (2.6G 10L Capacity). Suitable for Brake Fluid, Engine Oil, Gear Oil, Transmission Fluid, Water, etc. 4.5 out of 5 stars. 147.

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  • OPERATOR'S MANUAL - Kubota

    Gear oil Grease Fast Slow Excavator - Overhead view, movement toward the front Excavator - Overhead view, movement toward the rear Boom raise Boom lower Arm out Arm in Bucket crowd Bucket dump Boom swing (Left) Boom swing (Right) Dozer raise Dozer lower Operation direction of control lever Operation direction of control lever Read operator's

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  • EXCAVATOR AND CONTROL VALVE FOR EXCAVATOR - …

    Analysis Of Cause Of Excavator Dropping Arm And Principle

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  • 320C Excavator Hydraulic System – Pilot Valve (Travel

    Analysis Of Cause Of Excavator Dropping Arm And Principle

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  • Hydraulic Spool Valve Diagram - Valves Spool Diagram

    Before selecting hydraulic directional spool valves, it must be sure to choose appropriate spool valve in neutral position as per requirements of hydraulic system. For example: 1. Design pressure unloading circuit by spool function in neutral position to achieve energy savings. When H, F and G spool type in neutral position of 4way, 3postion directional spool valve, the oil fluid from pump

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  • Bristol, pa - 40ft For Sale - Lonking 40ft Equipment

    Lonking 40ft Equipment For Sale in Bristol, pa: 1 Equipment Near You - Find Lonking 40ft Equipment on Equipment Trader.

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  • WORKSHOP MANUAL KUBOTA EXCAVATOR K008-3 U10-3

    Move the excavator on to level ground. Extend every cylinder rod up to its center position, track width increases 2 ft. 9.9 in. (860 mm) and place the bucket in contact with the ground. 2. Check the oil level as to whether it lies on the center mark under normal temperature 50 to 86°F (10 to 30°C). 3. Enough oil is present if the oil level

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  • Inspection Checklist: Used Excavators | Machinery Trader Blog

    Jun 11, 2018 · Take a close look at the engine, hydraulic oil, and coolant fluid levels. Check the oil and note its condition, then check the color of the antifreeze. Cleanliness. An excavator will get dirty, but that dirt and other debris shouldn't make its way into the engine compartment or stick in the fins of the radiator. Stickers.

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  • 320C Excavator Hydraulic System – Boom Drift Reduction Valve

    320C Excavator Hydraulic System – Boom Drift Reduction Valve. The boom drift reduction valve is placed in the boom circuit between the main control valve and the boom cylinders. When the joystick for the boom is in the NEUTRAL position, the boom drift reduction valve stops oil leakage from the head end of the boom cylinders.

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  • Troubleshooting Of KOMATSU PC200-6 Excavator - News

    The LS bypass valve can leak out a portion of the P15 pressure oil on the LS loop through two small holes on the valve body (slightly) to increase the softness of the machine operation. If the o - shaped seal on the valve body is damaged, the PL5 pressure oil will directly connect with the tank, which indirectly causes the unloading valve to

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  • How does an excavator control valve work? – Mysweetindulgence

    Main control valves are core elements necessary for the operation of excavators. Piston pumps that form the oil pressure using engine power and main control valves convey the oil pressure to each part. After this, the main control valves which are hydraulic devices help excavators move forward or …

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  • Hydraulic System Troubleshooting Tips | Cross Mfg.

    Oil viscosity too high, cold oil. Allow oil to warm up before operating machine. Low pump drive speed. Increase engine speed (check manual for recommendations.) Air in system. Check suction side for leaks. Repair. Badly worn pump, valves, cylinders, etc. Repair or …

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