Operation & Maintenance Manual
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LG946L Wheel Loader
98
3 CONTENT OF MAINTENANCE
Maintenance content includes the run-in period of a new machine and the periodic maintenance
of every 10, 50, 100, 250, 500, 1000 and 2000 hours.
3.1 Every 10 Hours (Days) Service
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Check the sealing performance of work equipment systems such as hydraulic, steering and
brake system.
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Check the flexibility and reliability of the brakes.
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Check whether the electric circuit is correct and the electric components are normal.
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Check the oil level in the oil tank and the water level in the water tank.
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Add grease to the fan shaft, jointed point between front and rear frames, driving axles,
jointed points of oscillating frame and joint points of work equipment.
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Check if there are other abnormalities.
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Refer to
Operation and Maintenance Manual
of diesel engine for maintenance.
3.2 Every 50 Hours (Week) Service
Carry out the periodic maintenance of every 10 hours with this maintenance operation at the
same time.
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Check oil level of the gearbox, hydraulic oil tank and brake booster pump.
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Tighten all connection bolts of transmission axles.
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Check whether all connection bolts of hubs and the brake caliper are loose.
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Check all connection bolts of teeth for tightening.
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Check and lubricate the accelerator control, parking brake and gearshift control system.
In addition, do the extra maintenance in the first 50 hours as follows:
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Check and clean the air vent of the gearbox. Check and clean the filter cartridge of the oil
line system of the torque converter-gearbox.
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Check if there is leakage in the hydraulic system. Check and clean the air vent of the
hydraulic reservoir. Check and clean the oil-return filter cartridge of the hydraulic reservoir.
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Check if there is leakage in the brake system. Clean the filter mesh of the oil bowl in the
booster pump. Clean the air vent and check the brake fluid. Add them if deficient.
3.3 Every 100 Hours Service
Carry out the periodic maintenance of every 10 and 50 hours with this maintenance operation at
the same time.
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Clean the radiator group.
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Clean fuel tank fuel filter.
