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

19/Oct2026

Curing “Articulated Hauler Bogie Axle Vibrates And Rear Frame Wobbles On Haul...

Worn bogie axle pin bushings and a degraded bogie beam mounting bearing allowed the rear axle to oscillate under load, producing vibration, uneven tire wear, and steering imprecision

19/Oct2026

Resolving “Boom Weld Crack Propagating From Bucket-Lug Root” On A John Deere ...

A fatigue crack that nucleated at a factory weld’s toe and propagated through the boom’s bottom plate was identified through non-destructive testing and repaired with a matched-strength weld procedure

18/Oct2026

Resolving “Forklift Mast Tilts Unevenly And Carriage Rocks Side To Side” On A...

A worn left tilt cylinder’s rod-end bushing and elongated mast carriage side-thrust rollers caused asymmetric tilt response, producing uneven mast tilt and carriage instability during loaded lift c...

18/Oct2026

Fixing “Forklift Loses Travel Power After 30 Minutes And Transmission Overhea...

A worn torque converter’s stator one-way clutch and a clogged transmission cooler caused progressive power loss, high transmission temperature, and weak rimpull under load

18/Oct2026

Curing “Drum Vibration Weak And Inconsistent During Compaction Passes” On A D...

A failing drum vibration motor’s internal bypass and a partially collapsed vibration-pump suction line caused inconsistent eccentric shaft rotation, producing weak compaction and uneven surface finish

18/Oct2026

Resolving “Bucket Cylinder Drifts Downward And Bucket Digs Weakly” On A Cater...

A scored bucket-circuit main control valve spool and a leaking bucket cylinder piston seal caused bucket drift under load and reduced dig force, producing slow loading cycles and uneven bucket fill

17/Oct2026

Resolving “Forklift Drive Axle Vibrates And Axle Housing Leaks Gear Oil” On A...

A worn drive axle’s planetary gear pin and a degraded axle’s input-shaft seal allowed gear oil to leak and the planetary assembly to vibrate, producing axle noise and intermittent drive-power loss

17/Oct2026

Fixing “Forklift Hydraulic Pump Screams On Startup And Lift Speed Slows When ...

A clogged hydraulic suction strainer, combined with air entering the pump’s suction side through a worn inlet hose, caused pump cavitation, reduced lift speed, and a distinctive screaming noise

17/Oct2026

Curing “Boom Luffing Cylinder Drifts Downward Under Load” On A Grove RT650E R...

A leaking boom luffing cylinder’s piston seal and a scored load-holding valve’s poppet seat allowed hydraulic oil to bypass internally, producing boom drift and out-of-level lift conditions

17/Oct2026

Resolving “Excavator Track Rollers Seized And Track Slips During Travel” On A...

Failed bottom-roller bearing seals allowed grease to leak out and abrasive soil to migrate in, causing bearing seizure, track-pattern wear, and reduced drive efficiency

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Knowledge

Curing “Articulated Hauler Bogie Axle Vibrates And Rear Frame Wobbles On Haul...

Resolving “Boom Weld Crack Propagating From Bucket-Lug Root” On A John Deere ...

Resolving “Forklift Mast Tilts Unevenly And Carriage Rocks Side To Side” On A...

Fixing “Forklift Loses Travel Power After 30 Minutes And Transmission Overhea...

Curing “Drum Vibration Weak And Inconsistent During Compaction Passes” On A D...

Resolving “Bucket Cylinder Drifts Downward And Bucket Digs Weakly” On A Cater...

Resolving “Forklift Drive Axle Vibrates And Axle Housing Leaks Gear Oil” On A...

Fixing “Forklift Hydraulic Pump Screams On Startup And Lift Speed Slows When ...

Curing “Boom Luffing Cylinder Drifts Downward Under Load” On A Grove RT650E R...

Resolving “Excavator Track Rollers Seized And Track Slips During Travel” On A...