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

09/Sep2026

Fixing “Engine Stalls At Full Lock” And “Slow Steering” On A Caterpillar DP70...

A seized priority flow divider valve starved the steering circuit and dead-headed the hydraulic pump against the steering relief valve when the wheel was turned hard

08/Sep2026

Resolving “Slow Boom Raise And Engine Stalling On Lift” On A Cat 950M Wheel L...

A jammed boom lock valve spool forced hydraulic flow through the relief valve, dead-heading the pump and overloading the engine under implement demand

08/Sep2026

Curing “Swing Jitter And Loss Of Auto-Decel” On A Komatsu PC300LC-8 Excavator

A failed pilot accumulator and a clogged LS signal line filter caused erratic pilot pressure, preventing the main pump from destroking and causing violent swing oscillations

08/Sep2026

Diagnosing “White Smoke And Coolant Loss Without Oil Contamination” On A Lind...

A perforated air-to-air aftercooler core allowed pressurized coolant to atomize directly into the engine intake manifold, mimicking a blown head gasket

04/Sep2026

Resolving “Slow Boom Raise And Steering Wheel Chatter” On A Doosan DL380-5 Wh...

A sheared tandem gear pump drive spline caused simultaneous loss of implement flow and steering circuit cavitation, leading to severe Orbitrol damage

04/Sep2026

Curing “Engine Lug-Down And High-Pitched Pump Whine” On A Komatsu PC360LC-11 ...

A disintegrated pilot filter allowed debris to jam the Load-Sensing relief valve, forcing maximum pump displacement and stalling the engine under heavy dig

04/Sep2026

Fixing “Persistent White Smoke And Rough Idle” On A Heli CPCD30 Forklift

A blown injector copper washer allowed combustion gases to pressurize the cooling system and ingest coolant into Cylinder #3, causing white smoke and oil emulsification

03/Sep2026

Resolving “Heavy Steering And Transmission Overheating” On A Doosan DL503 Whe...

A failed steering pump front shaft seal allowed hydraulic oil to flood the torque converter housing, diluting transmission fluid and starving the steering circuit

03/Sep2026

Fixing “Travel Creep And Boom Drop” On A JCB 385D Excavator

Severely worn central swivel joint seals allowed high-pressure boom circuit oil to cross-leak into the travel motor lines, causing uncommanded track movement

03/Sep2026

Diagnosing “Travel Cogging And Lift Cutout” On A Clark CGEN2 30 Electric Fork...

Melted battery connector pins and pitted contactor tips caused massive voltage sag under load, triggering the controller’s low-voltage protection circuit

First 12 13 14 15 16 17 18 Last15/376

黑料福利网

Knowledge

Fixing “Engine Stalls At Full Lock” And “Slow Steering” On A Caterpillar DP70...

Resolving “Slow Boom Raise And Engine Stalling On Lift” On A Cat 950M Wheel L...

Curing “Swing Jitter And Loss Of Auto-Decel” On A Komatsu PC300LC-8 Excavator

Diagnosing “White Smoke And Coolant Loss Without Oil Contamination” On A Lind...

Resolving “Slow Boom Raise And Steering Wheel Chatter” On A Doosan DL380-5 Wh...

Curing “Engine Lug-Down And High-Pitched Pump Whine” On A Komatsu PC360LC-11 ...

Fixing “Persistent White Smoke And Rough Idle” On A Heli CPCD30 Forklift

Resolving “Heavy Steering And Transmission Overheating” On A Doosan DL503 Whe...

Fixing “Travel Creep And Boom Drop” On A JCB 385D Excavator

Diagnosing “Travel Cogging And Lift Cutout” On A Clark CGEN2 30 Electric Fork...