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

16/Oct2026

Resolving “Forklift Intermittently Refuses To Travel And Direction-Contactor ...

Burnt directional contactor contacts and a degraded contactor’s arc chute caused intermittent travel failure, requiring the operator to recycle the key to restore drive function

16/Oct2026

Fixing “Wheel Loader Loses Drive Power And Torque Converter Overheats Under H...

A failing torque converter stator’s one-way clutch allowed the stator to spin freely in both directions, eliminating torque multiplication, producing weak rimpull and converter overheating

16/Oct2026

Curing “Hoist Line Drifts Downward Under Load And Hoist Brake Warning Illumin...

A worn hoist planetary brake’s friction discs and a failing brake-release piston seal allowed the hoist’s spring-applied brake to partially engage during hoisting, producing load drift and intermit...

16/Oct2026

Resolving “Slow Boom, Arm, And Bucket Response With High Fuel Consumption” On...

A failing main hydraulic pump’s power-regulator valve and worn pump components caused the pump to demand excessive engine power, reducing machine speed and increasing fuel burn

15/Oct2026

Resolving “Telehandler Boom Jerks During Extension And Third Stage Lags” On A...

A broken boom chain tensioner spring and elongated extension chains caused the third-stage telescope to extend out of sync with the second stage, producing jerky boom lift and inconsistent load height

15/Oct2026

Curing “Right Track Loses Power And Final Drive Gear Oil Leaks Externally” On...

A failed final drive motor’s rotary-shaft seal allowed gear oil to leak outward and hydraulic oil to migrate inward, degrading travel-motor efficiency and producing right-track power loss under load

15/Oct2026

Resolving “Left Outrigger Slowly Retracts And Crane Levels Off Outrigger Pad”...

A leaking outrigger jack cylinder’s piston seal and a contaminated load-holding (pilot check) valve allowed hydraulic oil to bypass internally, causing slow outrigger retraction and crane out-of-le...

14/Oct2026

Resolving “Forklift Travel Motor Loses Power And Overheats Under Load” On A L...

A failing traction controller’s cooling fan and degraded traction motor brush-to-commutator contact caused progressive power loss, thermal derating, and excessive current draw

14/Oct2026

Fixing “Forklift Mast Chains Unevenly Tensioned And Carriage Tilts During Lif...

A worn mast chain anchor pin and an elongated right-side lift chain caused carriage tilt during lift cycles, producing uneven load distribution and accelerated mast-channel wear

14/Oct2026

Curing “Boom Cylinder Drift Downward Under Load And Pilot Pressure Fluctuatio...

A leaking boom hold valve’s poppet seat and contaminated pilot oil in the main control valve’s pilot system combined to produce boom drift under load and erratic joystick response

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Knowledge

Resolving “Forklift Intermittently Refuses To Travel And Direction-Contactor ...

Fixing “Wheel Loader Loses Drive Power And Torque Converter Overheats Under H...

Curing “Hoist Line Drifts Downward Under Load And Hoist Brake Warning Illumin...

Resolving “Slow Boom, Arm, And Bucket Response With High Fuel Consumption” On...

Resolving “Telehandler Boom Jerks During Extension And Third Stage Lags” On A...

Curing “Right Track Loses Power And Final Drive Gear Oil Leaks Externally” On...

Resolving “Left Outrigger Slowly Retracts And Crane Levels Off Outrigger Pad”...

Resolving “Forklift Travel Motor Loses Power And Overheats Under Load” On A L...

Fixing “Forklift Mast Chains Unevenly Tensioned And Carriage Tilts During Lif...

Curing “Boom Cylinder Drift Downward Under Load And Pilot Pressure Fluctuatio...