Construction machinery repairing and maintenance knowledge for brand equipments Factory China - New - Liteng Machinery

29/Nov2021

Classification Of Loader Oil Cooler

The function of the oil cooler is to cool the lubricating oil and keep the oil temperature within the normal working range. On high-power enhanced engines, oil coolers must be installed due to larg...

27/Nov2021

Analysis Of Hydraulic System Of Kobelco Excavator's Various Circuits

In order to facilitate the analysis of excavator hydraulic system, the oil circuit is simplified and divided into several basic circuits. The basic principle of simplification is not to change the ...

27/Nov2021

Parameters Of 9 Main Components Of Excavator Hydraulic System

1. Hydraulic multi way valve Rated flow: 55lmin, working pressure: 25MPa. 2. Constant power series pump bk63v The constant power series pump in the hydraulic system is a swashplate axial piston pum...

27/Nov2021

Common Causes Of Excessive Engine Oil Consumption Of Liebherr Excavator

1. The defect of piston ring causes oil burning ① The piston ring is bitten by carbon deposit in the ring groove, which loses elasticity and poor sealing. The high-temperature gas flows to the cran...

27/Nov2021

Fault Types And Troubleshooting Methods Of Kobelco Excavator Sensor

The sensor fault of Kobelco excavator should distinguish the type of sensor output signal: digital signal (output range: 0 or 1) or analog signal (output range: 4000~20000). μ A) And then conduct t...

27/Nov2021

Analysis Of Multi Way Valve Hydraulic System Of Cat EL240 Excavator

The hydraulic system consists of 7 control valves (boom, stick, bucket, swing, second travel and standby), 5 control valves (straight travel valve x, boom confluence valve y, stick confluence valve...

27/Nov2021

Fault Analysis: Fault Diagnosis Of Sudden Flameout Of Liebherr Excavator Engine

Fault performance: During the work of Liebherr excavator, the excavator engine suddenly stalled. Press the hand oil pump and the oil supply system can continue to start after it is filled with dies...

27/Nov2021

Common Sense Sharing: Summary Of Excavator Open Center Multi-channel Valve Hy...

The open center six way valve hydraulic system should solve the problems of double pump confluence, linearity of simultaneous operation and walking, meet the requirements of various operating condi...

27/Nov2021

Solution To The Problem Of Low Speed Or Weak Boom Of Caterpillar Excavator

During the use of Caterpillar excavator, the fault of "excavator boom low speed or boom weakness" occurs. Causes: 1. The safety valve and oil makeup valve are damaged 2. The action of ope...

23/Nov2021

Nine Inspection Methods For Leakage Of Slewing Bearing Of Caterpillar Excavator

(1) If it is determined that the problem is caused by the seal, remove the old seal, clean the seal groove with diesel or gasoline, and completely clamp the new seal into the seal groove. It should...

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Knowledge

Classification Of Loader Oil Cooler

Analysis Of Hydraulic System Of Kobelco Excavator's Various Circuits

Parameters Of 9 Main Components Of Excavator Hydraulic System

Common Causes Of Excessive Engine Oil Consumption Of Liebherr Excavator

Fault Types And Troubleshooting Methods Of Kobelco Excavator Sensor

Analysis Of Multi Way Valve Hydraulic System Of Cat EL240 Excavator

Fault Analysis: Fault Diagnosis Of Sudden Flameout Of Liebherr Excavator Engine

Common Sense Sharing: Summary Of Excavator Open Center Multi-channel Valve Hy...

Solution To The Problem Of Low Speed Or Weak Boom Of Caterpillar Excavator

Nine Inspection Methods For Leakage Of Slewing Bearing Of Caterpillar Excavator