Digging force issue: Check hydraulic system and main valve.

High fuel consumption: Examine engine, hydraulic system, and operation mode.

Bucket leveling failure: Inspect hydraulic valve and sensor.

Gearbox shifting problem: Repair shifting mechanism, check oil.

Track derailment: Adjust track tension, replace worn parts.

Low engine power: Clean air filter, repair fuel system, check engine.

Weak vibration: Check vibration components, adjust shaft balance.

Uneven road surface: Check drum wear, correct driving direction.

Blade movement problem: Check hydraulic system and control valve.

Steering difficulty: Repair steering and hydraulic assist systems.

Drilling deviation: Check drill pipe, debug correction device.

Slow drilling: Replace bit, adjust parameters, check hydraulics.

Low lifting height: Check hydraulic pressure, chains, telescopic parts.

Unstable lifting: Check tire wear, adjust counterweight.

Boom telescoping issue: Inspect cylinder and wire ropes.

Lifting sway: Ensure outriggers are extended, standardize operation.

Track rail - gnawing: Adjust tension, replace worn parts.

Poor cab visibility: Clean glass, adjust mirror.

Steering problem: Check hydraulic system and tires.

Slow work device: Check hydraulic pump, replace oil.