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

16/May2026

Excavator Maintenance Tip: Never Replace Just One Travel Motor Or Final Drive

When an excavator throws a final drive-either the hydraulic motor leaks or the planetary gears explode-there is a strong temptation to replace only the broken side. The other side seems fine, and b...

16/May2026

Loader Maintenance Case: The Lock-Up Clutch Solenoid Drop-Out

A wheel loader was brought in with a terrifying high-speed symptom. In first and second gear, it operated perfectly fine, pushing dirt and loading trucks. But when the operator shifted into third o...

15/May2026

Forklift Maintenance Case: The Power Steering Load That Killed The Engine ECM

A heavy-duty, LP-gas powered forklift was brought in with an intermittent, complete electrical shutdown. The operator could drive the truck straight all day long, but the moment they turned the ste...

15/May2026

Excavator Maintenance Tip: “Dieseling” in Hydraulic Cylinders Will Burn Your ...

When an excavator boom or stick cylinder is rebuilt, the mechanic refills it with clean hydraulic oil. However, if the cylinder is mounted with the rod facing upward, a massive air pocket is trappe...

15/May2026

Loader Maintenance Case: The Inching Valve Cross-Port Leak

A wheel loader was brought in with a dangerous and annoying symptom. Whenever the operator put the machine in gear, it would violently lurch forward, even with the engine at low idle. The operator ...

14/May2026

Forklift Maintenance Case: The Broken Motor Mount That Sheared Cushion Tires

A fleet of heavy-duty cushion-tire forklifts operating in a concrete products yard was experiencing a bizarre, recurring failure. The right-side drive tire kept delaminating. The solid rubber cushi...

14/May2026

Excavator Maintenance Tip: Welding Current Arcing Through Hydraulic Spools

When a excavator boom or stick cracks, it's common practice to weld the crack right on the machine to avoid the cost and downtime of removing the entire boom assembly. However, if the mechanic does...

14/May2026

Loader Maintenance Case: The Sliding Baffle in The Hydraulic Tank

A wheel loader was brought in with a maddening symptom. It operated perfectly fine on flat ground, but the moment the operator drove down a slight incline-like into a gravel pit-the hydraulic pump ...

13/May2026

Forklift Maintenance Case: The Drifting Coolant Temp Sensor That Derated The ...

A heavy-duty diesel forklift was brought in because it would lose all power and bog down under load after about twenty minutes of operation. The operator could let it idle for five minutes, and the...

13/May2026

Excavator Maintenance Tip: Priming A Dry Final Drive Before It Burns Up

When a final drive planetary gearbox fails catastrophically, the iron shavings usually destroy the hydraulic travel motor attached to it. Replacing the assembly is a heavy, expensive job. But many ...

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Knowledge

Excavator Maintenance Tip: Never Replace Just One Travel Motor Or Final Drive

Loader Maintenance Case: The Lock-Up Clutch Solenoid Drop-Out

Forklift Maintenance Case: The Power Steering Load That Killed The Engine ECM

Excavator Maintenance Tip: “Dieseling” in Hydraulic Cylinders Will Burn Your ...

Loader Maintenance Case: The Inching Valve Cross-Port Leak

Forklift Maintenance Case: The Broken Motor Mount That Sheared Cushion Tires

Excavator Maintenance Tip: Welding Current Arcing Through Hydraulic Spools

Loader Maintenance Case: The Sliding Baffle in The Hydraulic Tank

Forklift Maintenance Case: The Drifting Coolant Temp Sensor That Derated The ...

Excavator Maintenance Tip: Priming A Dry Final Drive Before It Burns Up