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

23/Sep2026

Fixing “Random Loss Of Wire Guidance And Aisle-End Collisions” On A Crown TSP...

A worn wire-guidance antenna coil and a misaligned floor-guide wire splice caused intermittent signal dropout, allowing the truck to drift into racking at aisle transitions

21/Sep2026

Resolving “Attachment Chatters And Loses Power Under Load” On A Bobcat T66 Co...

A worn quick-coupler poppet seal and a stuck detent ball in the auxiliary hydraulic selector valve caused internal cross-leakage, starving the attachment motor of full flow

21/Sep2026

Curing “Stabilizer Legs Sinking Under Load” On A JCB 3CX Backhoe Loader

A cracked pilot check valve seat in the stabilizer lock manifold allowed the heavy rear stabilizer cylinders to bleed down slowly, lifting the front wheels off the ground during deep backhoe excava...

21/Sep2026

Fixing “Boom Fails To Extend Under Load And Judders On Retract” On A Genie GT...

Stretched boom extension chains and a fatigued chain tensioner idler pin caused uneven chain tension, preventing the telescoping middle boom from extending under a 3-ton load

20/Sep2026

Resolving “Front Axle Shimmy At Speed And Steering Kickback” On A Komatsu GD6...

Worn articulation-joint upper and lower taper roller bearings allowed the front axle to oscillate unpredictably, inducing steer-kickback and moldboard chatter during high-speed roading

20/Sep2026

Curing “Stuck in Low-Speed Travel And Right-Track Pull” On A Kobelco SK500LC-...

A shorted two-speed shift solenoid locked the travel motor in low ratio, while a cross-leaking rotary joint swivel seal bled travel pressure into the right track case drain, causing asymmetric trac...

20/Sep2026

Fixing “Power Cutout After 10 Minutes And Traction Controller Overheat” On A ...

A blocked traction controller heat-sink cooling duct and a failing output-phase MOSFET induced thermal shutdown, with intermittent phase-loss triggering violent travel motor shudder

19/Sep2026

Resolving “Boom Chatter And Slow Lift” On A Doosan Mega 300-V Wheel Loader

A blocked boom cylinder make-up check valve filter caused rod-end cavitation during arm-in operations, inducing violent hydraulic oscillation and pump starvation

19/Sep2026

Curing “Swing Drift And Excessive Hydraulic Heat” On A Hitachi ZX470LCH-5G Ex...

A shattered central swivel joint seal ring allowed pilot pressure to cross-port to the return line, locking the main pump at maximum displacement and overheating the system

19/Sep2026

Fixing “Drive Slippage And Hydrostatic Overheat” On A Manitou MT 1840 Telehan...

A fatigued charge pump relief spring dropped closed-loop charge pressure, causing the variable drive motor to starve for fluid and cavitate under heavy load

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Knowledge

Fixing “Random Loss Of Wire Guidance And Aisle-End Collisions” On A Crown TSP...

Resolving “Attachment Chatters And Loses Power Under Load” On A Bobcat T66 Co...

Curing “Stabilizer Legs Sinking Under Load” On A JCB 3CX Backhoe Loader

Fixing “Boom Fails To Extend Under Load And Judders On Retract” On A Genie GT...

Resolving “Front Axle Shimmy At Speed And Steering Kickback” On A Komatsu GD6...

Curing “Stuck in Low-Speed Travel And Right-Track Pull” On A Kobelco SK500LC-...

Fixing “Power Cutout After 10 Minutes And Traction Controller Overheat” On A ...

Resolving “Boom Chatter And Slow Lift” On A Doosan Mega 300-V Wheel Loader

Curing “Swing Drift And Excessive Hydraulic Heat” On A Hitachi ZX470LCH-5G Ex...

Fixing “Drive Slippage And Hydrostatic Overheat” On A Manitou MT 1840 Telehan...