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

16/Jul2021

Doosan Excavator Final Drive Anatomical Diagram And Schematic Diagram

The composition of Doosan excavator final drive The final drive consists of a hydraulic motor, a genuine gearbox, a brake valve, a parking brake, etc. 1) The role of the hydraulic motor The hydraul...

16/Jul2021

Structure Function And Working Principle Of Excavator Overload Replenishing V...

1) Structure of Doosan Excavator Overload Supplement Valve 2) The role of the overload replenishment valve Overload replenishment Overload supplement valve is installed on each branch oil circuit o...

16/Jul2021

The Function And Working Principle Of Doosan Excavator Accumulator

(1) The role of accumulator The accumulator is a device that stores the control oil circuit pressure. It is installed between the pilot pump and the PPC valve. Its function is to keep the control o...

16/Jul2021

The Structure And Working Principle Of The Pilot Control Valve Of Doosan Exca...

(1) The structure of the pilot control valve (2) Working principle of Doosan excavator pilot control valve working principle 1 1, the middle position of the operating handle → the working device do...

16/Jul2021

Working Principle Of Doosan Excavator Center Rotary Joint

When Doosan excavator's main pump on the upper car body sends oil to the traveling motor on the lower car body, the upper and lower car bodies will make relative rotations. In order to prevent ...

16/Jul2021

Structure And Function Of Hydraulic Pump in K3V System Of Daewoo DH220LC-3 Ex...

Most of Daewoo excavators are equipped with K3V112DT-11GR hydraulic pumps produced by Japan's Kawasaki Company; DH400LC-3 excavators are equipped with K3V180DTH1 hydraulic pumps. K3V system hyd...

16/Jul2021

What To Know When Choosing Loader Accessories?

If you want to choose a loader accessory, you must first understand the type of loader accessory. Loader accessories mainly include: drive: drive shaft, main differential and rim. Working hydraulic...

15/Jul2021

Excavator Swing Motor Parking Brake Release Circuit

The slewing motor is equipped with a parking brake, which can make the upper slewing device immobile when lifting heavy objects on a slope, and it can also prevent the upper slewing device from rot...

15/Jul2021

Quick Action Function Of Excavator Stick

When the stick is digging (retracting inward), the function of returning the oil pushed out from the side of the piston rod of the stick hydraulic cylinder to the bottom of the hydraulic cylinder (...

15/Jul2021

System Fault Diagnosis Of All Actuators Of The Excavator And Related Fault Co...

System fault diagnosis of all actuators of the excavator and related fault code display! A-1 Excavator all actuators are slow and no related fault codes are displayed. 1) Due to some reasons or due...

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Knowledge

Doosan Excavator Final Drive Anatomical Diagram And Schematic Diagram

Structure Function And Working Principle Of Excavator Overload Replenishing V...

The Function And Working Principle Of Doosan Excavator Accumulator

The Structure And Working Principle Of The Pilot Control Valve Of Doosan Exca...

Working Principle Of Doosan Excavator Center Rotary Joint

Structure And Function Of Hydraulic Pump in K3V System Of Daewoo DH220LC-3 Ex...

What To Know When Choosing Loader Accessories?

Excavator Swing Motor Parking Brake Release Circuit

Quick Action Function Of Excavator Stick

System Fault Diagnosis Of All Actuators Of The Excavator And Related Fault Co...