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

03/Oct2026

Curing “Front Axle Won’t Engage And 4WD Indicator Flashes” On A New Holland B...

A seized front-axle engagement shift collar and a corroded engagement-pressure switch prevented four-wheel-drive engagement, limiting the machine to rear-wheel traction in soft soil

03/Oct2026

Fixing “Engine Surges And Stalls When Hot” On A Toyota 8FGU25 LPG Forklift

A cracked LPG vaporizer regulator diaphragm and a clogged idle-mixture orifice caused lean surge under hot operating conditions and fuel starvation at high RPM

02/Oct2026

Curing “Steering Becomes Sluggish When Using Bucket And Lift Functions” On A ...

A worn steering priority valve spool allowed auxiliary hydraulic circuits to steal steering flow during combined operations, producing delayed steering response at full articulation

02/Oct2026

Fixing “Bucket Linkage Clunk And Excessive Lateral Play” On A Hitachi ZX200-6...

Worn bucket linkage pins and bushings allowed the bucket’s four-bar linkage to develop lateral slop, producing audible clunks during curl cycles and imprecise bucket control

02/Oct2026

Resolving “Hydraulic Pump Motor Won’t Start And Contactor Chatters” On A Crow...

A pitted and eroded hydraulic pump contactor caused voltage drop and intermittent motor energization, producing lift-function failure and contactor chatter under load

01/Oct2026

Resolving “Boom Lateral Play And Bouncing Under Load” On A JLG 1055 Telehandler

Worn boom wear pads at the telescoping stage allowed metal-on-metal contact between boom sections, producing lateral play, load-induced bouncing, and accelerated boom rail wear

01/Oct2026

Curing “Erratic Load Chart Display And False Overload Alarms” On A Kato CR-25...

A misaligned boom length potentiometer and a stretched hoist rope load cell cable caused the Rated Capacity Limiter to misread boom geometry, triggering false overload shutdown

01/Oct2026

Fixing “Lift Circuit Slows Under Hot Conditions And Relief Valve Squeal” On A...

A failed hydraulic oil cooler thermostatic bypass and a worn lift pump’s pressure-flow compensator caused pump internal leakage and heat generation during extended lift cycles

30/Sep2026

Resolving “Loud Growl And Wheel Wobble From Rear Axle” On A Kramer 580 Wheel ...

A failed rear-axle planetary final drive bearing caused axial play and uneven wheel loading, producing directional pulling and audible growl under load

30/Sep2026

Curing “Rapid Undercarriage Wear And Roller Binding” On A Komatsu PC138USLC-1...

Blocked undercarriage roller grease channels and an abrasive soil-contaminated track caused premature bottom roller bearing failure across all roller stations

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Knowledge

Curing “Front Axle Won’t Engage And 4WD Indicator Flashes” On A New Holland B...

Fixing “Engine Surges And Stalls When Hot” On A Toyota 8FGU25 LPG Forklift

Curing “Steering Becomes Sluggish When Using Bucket And Lift Functions” On A ...

Fixing “Bucket Linkage Clunk And Excessive Lateral Play” On A Hitachi ZX200-6...

Resolving “Hydraulic Pump Motor Won’t Start And Contactor Chatters” On A Crow...

Resolving “Boom Lateral Play And Bouncing Under Load” On A JLG 1055 Telehandler

Curing “Erratic Load Chart Display And False Overload Alarms” On A Kato CR-25...

Fixing “Lift Circuit Slows Under Hot Conditions And Relief Valve Squeal” On A...

Resolving “Loud Growl And Wheel Wobble From Rear Axle” On A Kramer 580 Wheel ...

Curing “Rapid Undercarriage Wear And Roller Binding” On A Komatsu PC138USLC-1...