Operation & Maintenance Manual
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LG946L Wheel Loader
99
In addition, do the extra maintenance in the first 100 hours as follows:
z
Check and clean the air vent of gearbox. Clean the oil pan of gearbox. Clean the suction
filter cartridge in the oil pan of gearbox. Replace the filter cartridge in the oil lines of torque
converter-gearbox. Replace the gearbox oil.
z
Replace the gear oil in the front and rear axles.
3.4 Every 250 Hours (Month) Service
Carry out the periodic maintenance of every 10, 50 and 100 hours with this maintenance
operation at the same time.
z
Check the storage battery. Clean surface and terminals of the battery then coat Vaseline
lamina.
z
Check whether assembling bolts of frames are loose and welding seams are cracked.
z
Check whether the front and rear axles, engine and gearbox and frame are loose.
z
Check the tire pressure. Inflation pressure of front tires should be (
0.333～0.353
)MPa while
that of rear tires should be (
0.275～0.294
)MPa.
In addition, do the extra maintenance in the first 250 hours as follows:
z
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 and
replace them if necessary.
3.5 Every 500 Hours (Season) Service
Carry out the periodic maintenance of every 10, 50, 100 and 250 hours with this maintenance
operation at the same time.
z
Check and adjust the clearance of hand brake system.
z
Check the wear condition of brake discs and friction discs. Replace them if necessary.
z
Clean the silencer of the braking electromagnetic valve.
z
Check and clean the air vent of gearbox. Clean the oil pan of gearbox. Clean the suction
filter cartridge in the oil pan of gearbox. Replace the filter cartridge in the oil lines of torque
converter-gearbox. Replace the gearbox oil.
change at least once a year.
In addition, do the extra maintenance in the first 500 hours as follows:
z
Check if there is leakage in the hydraulic system. Check and clean the air vent of hydraulic
reservoir. Replace the oil-return filter cartridge of hydraulic reservoir. Check the quantity
and cleanness of hydraulic oil. Filter the oil if possible. Add them if deficient and replace
them if necessary.
z
Check if there is leakage in the brake system. Clean the filter mesh of the oil bowl in the
