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

10/Jul2021

How To Adjust The Excavator Hydraulic Pump Flow?

1. Adjustment of main pump flow (1) Loosen the flow lock nut. (2) Turn the pressure adjusting bolt until the pressure meets the requirements. (3) When the system pressure is in the range of 14700-1...

10/Jul2021

How To Judge The Damage Of The Loader Differential

After the recovered aluminum is pretreated, part of it is cold processed into powdered aluminum, and the other part is recovered through heavy-medium beneficiation and parabolic beneficiation. So h...

10/Jul2021

Explanation Of The Influencing Factors Of The Price Of Loader Accessories

Loader accessories are some accessories that we use when we see some large loaders. Don't underestimate this small accessory, it is very useful. If the loader loses even one part, it will be a ...

26/Jun2021

Standard Value Table Of Safety Valve Setting For Each Working Mechanism in Hy...

1. Standard pressure value of hydraulic system 2, safety valve pressure adjustment (1) Stop the excavator on a level ground and turn off the fire. (2) Release the pressure of the hydraulic system. ...

26/Jun2021

Hitachi Excavator Slewing Device-brake Valve, Safety Valve

Hitachi Excavator Brake Valve (1) Working principle When the slewing action stops, if the upper slewing platform is still rotating due to the inertial force of the slewing, the slewing motor will c...

26/Jun2021

Kobelco Excavator Slewing Device-rotary Parking Brake Valve

The Kobelco excavator rotary parking brake is a wet multi-disc brake. The brake is released only when the brake release pressure oil S enters the brake cylinder 6 (normally closed brake). When perf...

26/Jun2021

Discuss Excavator Slewing Device-slewing Motor

The slewing device is composed of a brake valve, a slewing motor and a slewing reduction box. Through the slewing device and the slewing bearing, the upper turntable of the excavator can rotate in ...

26/Jun2021

Control Analysis Of Kobelco's Excavator Boom Recovery, Regeneration And Seque...

1. Regenerative control (normal regeneration position) @When performing arm recovery operation, the pilot pressure will switch the arm spool for the second time, and at the same time, it will be in...

26/Jun2021

Analyze The Slewing Device Of Hitachi Excavators-slewing Buffer Valve, Slewin...

1. Hitachi excavator rotary buffer valve When the swing control lever is pulled to the neutral position to stop the operation, the oil return line of the swing motor is blocked, and the oil pressur...

26/Jun2021

Hitachi EX200-5 Excavator Engine Speed Does Not Change

Trouble phenomenon: The wires between the main controller (MC), EC motor, and engine controller are faulty. Even if the engine controller rotates, the engine speed does not change. Fault diagnosis ...

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Knowledge

How To Adjust The Excavator Hydraulic Pump Flow?

How To Judge The Damage Of The Loader Differential

Explanation Of The Influencing Factors Of The Price Of Loader Accessories

Standard Value Table Of Safety Valve Setting For Each Working Mechanism in Hy...

Hitachi Excavator Slewing Device-brake Valve, Safety Valve

Kobelco Excavator Slewing Device-rotary Parking Brake Valve

Discuss Excavator Slewing Device-slewing Motor

Control Analysis Of Kobelco's Excavator Boom Recovery, Regeneration And Seque...

Analyze The Slewing Device Of Hitachi Excavators-slewing Buffer Valve, Slewin...

Hitachi EX200-5 Excavator Engine Speed Does Not Change