Jilin Tiejia second-hand excavator

  • Low Oil Pressure Symptoms and FAQ - In The Garage with

    Aug 25, 2021 · Low oil pressure is just what it sounds like—a lack of oil pressure inside the engine. There are several reasons why an engine might be suffering from low oil pressure, as we'll discuss below. Motor oil lubricates internal engine components, reduces friction, and helps keep the engine cool.

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  • How to Repair Caterpillar Low Oil Pressure TroubleAuto

    How To Check Hydraulic Oil Level On An Excavator | Mr Dig

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  • PC270 PC270LC-8

    HYDRAULIC EXCAVATOR PC270-8 E P Fuel priority E mode Work priority P mode 5 ECO gauge Low Emission Engine Komatsu SAA6D107E-1 meets U.S. EPA Tier 3 and EU Stage 3A emissions certified and reduced NOx emission by 29 % compared with the PC270-7. Low Operation Noise Enables a low noise operation using the low-noise engine and methods to cut noise

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  • Hydraulic Fluid Leaks: The Silent Hydraulic System Killer

    Aug 13, 2019 · A low oil level in a hydraulic system is usually an indication of a leak somewhere that needs to be addressed. Running a hydraulic system with little to no oil can damage the hydraulic pump and other internal components. An obvious sign of low oil when operating an excavator is loss of hydraulic function which may be caused by something as simple as a blown hose. Hydraulic Hoses

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  • Operation and Use Manual Of Hydraulic Valves

    Oil Anti Countercurrent: 1.Control pressure over low. 2.Control the oil pipe pass connectors leak the serious. 3. The seat part of one-way valves of oil was blocked: 1. Control the pressure to make it attain the request value. 2.Tight connector, cancellation leak oil. 3.Cleaning: 11: Against Way of Free flow Seal, Have The Leak The Oil

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  • CAT excavator repair shop prompts you that the excavator

    Mar 25, 2019 · 2 Excavate machine oil is dirty and viscous, which causes the oil pump to inhale and pump out the oil, resulting in a fault (fault) phenomenon in the Carter 336D excavator engine oil pressure. 3 The oil is thinned and leaks from the friction gap of the engine. This causes the fault of the engine oil of the Carter type 336D excavate engine.

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  • Oil Leak Causes and How To Fix Them | Gold Eagle Co.

    Dec 04, 2019 · 305#—–3455,Rue Aylmer, Montreal, QC h2x 2b5 my car add more 0.4 liter engine oil when it change engine oil, after that began to leak oil under the …

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  • How to Solve Caterpillar 320D Hydraulic Excavator Move

    Mar 25, 2020 · 2) Main pump with low pressure. 3) Hydraulic oil line is blocked or hydraulic filter air-logged. Caterpillar 320D Move Slowly Repair: 1.Check hydraulic oil,it is normal. 2.Measure the pressure of the reducing valve is 10kg/cm2,and the inner filter was blocked. 3.The hydraulic oil tank was duty and there is a lot of impurities. 4.Pilot pump work

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  • Causes and maintenance of the work failure of Komatsu

    Sep 29, 2019 · If the small hole on the main relief valve spool is blocked due to poor oil quality and the spool is normally open, the set relief pressure of the repairing excavator or the main relief valve is low, which will cause the actual overflow pressure to be low. That is, the system pressure is low. When the driver starts the engine and puts the

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  • Fault Analysis Of Full Hydraulic Excavator Plunger Pump

    Aug 12, 2021 · Low pressure leak. Also known as the leakage, the fault is intuitive, easy to exclude. (1) Pump shaft end oil seal damage and rubber aging. (2) The pump shaft is unreasonable during assembly, and the sealing surface of the oil seal is injured. (3) In the end cap of the oil pipe, the sealing is damaged, and the fixed bolt is loose. 2. High

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  • John Deere 130G Excavator Technical Manual - Operation

    TM12348 - John Deere 130G Excavator Operation & Test Service Manual.pdf. Excessive Oil Leakage From Front Idler, Track Rollers, or Carrier Rollers Bent Track Shoes Air Conditioner High/Low-Pressure Switch Test Air Conditioner Freeze Control Switch Test

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  • Electrohydraulic Control Solutions For Ecaaor

    LOW LEAKAGE BUCKET CONTROL As excavator power and sophistication increase, so do flow rates. HydraForce SPCL16-40 valves control up to 152 lpm (40 gpm) while holding loads with extremely low leakage. This directional control circuit has a multiple load …

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  • 7 Reasons For Low Oil Pressure in a Diesel Engine

    7 Reasons For Low Oil Pressure in a Diesel Engine. When low oil pressure is detected the immediate response is to think the worst. However, most issues can be resolved with simple solutions. This article explains 7 of the most common causes for low oil pressure in a Caterpillar C7 but the principals can apply to the majority of diesel engines.

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  • Specalog for 319D L Hydraulic Excavator, AEHQ6151

    Hydraulic Excavator Engine engine oil pressure low, coolant temperature high or hydraulic oil temperature high. Under normal conditions Fewer Leaks and Spills Engine oil and encapsulated hydraulic oil filters are positioned vertically and are easy to reach to minimize spillage. Service intervals are extended to reduce the times fluids

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  • 7 Reasons For Low Oil Pressure in a Diesel Engine

    That is to say, the performance of the action parts is poor or the performance is poor during the implementation process, or the pressure of the safety valve of the relevant components is too low. The excavator hand can remove and wash the parts to see whether there is stagnation or oil leakage, or carry out pressure test to see whether the pressure is normal.

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  • Causes and maintenance of the work failure of Komatsu

    Jan 01, 2020 · A Caterpillar excavator get trouble in low oil pressure,the oil pressure warning light on the dashboard.And if your Caterpillar excavator with the low oil pressure,it will cause crankshafts and bearings, cylinder liners and pistons will wear out due to poor lubrication. Reasons may cause low oil pressure: 1.Not enough oil. 2.Oil pump error

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  • Leakage, Causes and Prevention of Hydraulic System of

    Jul 04, 2018 · Multiple valve stems and other parts. Leakage from oil can also be classified into external leakage and internal leakage. External leakage mainly refers to the leakage of hydraulic oil from the system to the environment. Internal leakage refers to the existence of pressure difference between the high and low pressure side and the failure of seals.

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  • SH700LHD-5B/SH800LHD-5B Hydraulic Excavator

    3. LOW FUEL 4. LOW OIL PRESSURE 5. LOW COOLANT 6. ELEC. PROBLEM Active condition 7. OVER LOAD (option) 8. AIR FILTER 9. CHECK ENGINE 10. BOOST TEMP. HIGH 11. CHECK BREAKER FILTER (option) message 1. ENG. PRE HEAT 2. AUTO WARM UP 3. ENG. IDLING 4. POWER UP 5. ENGINE STOP Language menu Japanese English Thai Chinese German French Italian Turkish

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  • Why Komatsu PC200-6 Hydraulic Pump System Work Powerlessly

    Mar 01, 2019 · PC200-6 excavator uses a double swash plate type axial variable displacement piston pump. normally the main pump output oil pressure over 30mpa. if the wear circumstance between the piston and the cylinder block of main pump or the wear circumstance between the top surface of the cylinder block and the valve plate exceeds the standard (the gap

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  • How To Check Hydraulic Oil Level On An Excavator | Mr Dig

    1. Excavator pressure limiting valve spring is too soft or broken. 2. Carter excavator crankcase oil viscosity is low or insufficient. 3. The oil pump of the excavator is not working well, and the oil circuit of the oil is seriously leaking. 4. Carter excavator oil filter bypass valve spring is too soft and broken. 5. The lubricating oil inlet pipe joint of the excavator is loose or the oil pipe is broken. 6.

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