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

05/May2026

Excavator Maintenance Tip: The Over-Tightened Swing Brake That Boils Oil

If an excavator sits for a few days and the upper house slowly swings backward down a hill, the standard fix is to tighten the swing brake. But over-tightening the mechanical swing brake is a guara...

05/May2026

Loader Maintenance Case: The Torque Converter Stator Failure That Killed Low-...

A wheel loader was brought in with a classic complaint: it would drive down the road at 20 mph perfectly fine, but the moment you put the bucket into a dirt pile, the engine would lug down and the ...

04/May2026

Forklift Maintenance Case: The Unlatched Mast That Trapped An Operator

A warehouse had a terrifying near-miss with a heavy-capacity, cushion-tire forklift. The operator was unloading a trailer. He raised the forks, tilted the mast back to carry the load, and suddenly,...

04/May2026

Excavator Maintenance Tip: The Electronic Mismatch That Causes Violent Hydrau...

Modern excavators use an Electronic Positive Flow Control (EPFC) system. In simple terms, when you pull the joystick, a sensor tells the computer how far you pulled it, and the computer tells the h...

04/May2026

Loader Maintenance Case: The High-Speed “Death Wobble” Caused By A Worn Artic...

An articulated wheel loader came into the shop with a terrifying complaint. When driving unloaded down a paved road at about 25 miles per hour, the front of the machine would suddenly start shaking...

03/May2026

Forklift Maintenance Case: The Mast Twisted By A Thirty-Dollar Roller

A warehouse brought in a heavy-capacity reach truck because the mast was making an agonizing, grinding metal-on-metal screech when raising a heavy load, and the forks were visibly tilting to the le...

03/May2026

Excavator Maintenance Tip: Why You Must Respect The Grease Zerk On The Tensio...

Every mechanic knows that if an excavator throws a track, the first thing you do is pump grease into the tension cylinder to push the idler forward so you can get the track back on. But there is a ...

03/May2026

Loader Maintenance Case: The Heat-Induced Solenoid Jam in A Powershift Transm...

A medium-sized wheel loader came into the shop with an incredibly inconsistent complaint. It would shift through all four gears perfectly fine when you first started it up in the morning. But after...

02/May2026

Forklift Maintenance Case: The Crooked Forks Caused By Unequal Chain Stretch

A high-capacity sit-down counterbalance forklift was brought into the shop because the operator complained that the forks were always "crooked." No matter how many times they adjusted the side-shif...

02/May2026

Excavator Maintenance Tip: Diagnosing Upper-Structure Structural Cracks Befor...

If you look at the right front corner of the cab on an older excavator, you might notice a spiderweb of small weld repairs. That area is the Achilles' heel of the machine. It's where the boom foot ...

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Knowledge

Excavator Maintenance Tip: The Over-Tightened Swing Brake That Boils Oil

Loader Maintenance Case: The Torque Converter Stator Failure That Killed Low-...

Forklift Maintenance Case: The Unlatched Mast That Trapped An Operator

Excavator Maintenance Tip: The Electronic Mismatch That Causes Violent Hydrau...

Loader Maintenance Case: The High-Speed “Death Wobble” Caused By A Worn Artic...

Forklift Maintenance Case: The Mast Twisted By A Thirty-Dollar Roller

Excavator Maintenance Tip: Why You Must Respect The Grease Zerk On The Tensio...

Loader Maintenance Case: The Heat-Induced Solenoid Jam in A Powershift Transm...

Forklift Maintenance Case: The Crooked Forks Caused By Unequal Chain Stretch

Excavator Maintenance Tip: Diagnosing Upper-Structure Structural Cracks Befor...