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main drive in the center of the axle housing; replace all the drive axle gear oil once each
year even if the total number of work hours is less than 500.
VI. Maintenance items to be performed once every 1000 hours or every half a year
1. Replace the hydraulic oil, the return oil filter element of hydraulic oil, and the oil suction
filter element of hydraulic oil, and clean the hydraulic oil tank;
2. Clean the diesel tank and replace the oil suction filter element of diesel tank and the inner
filter element of the engine.
3. Check ROPS (it is optional, replace it based on the model);
4. Replace the dryer of the brake system; (it is optional, replace it based on the model)
5. Check the braking system, clean booster pump and replace the brake oil.
VII. Maintenance items to be performed once every 2000 hours or every year
1. Replace the coolant of the engine.
2. Check the differentials of the front and rear axles and wheel hub reducer and repair them
if necessary.
VIII. Maintenance items to be performed once every 4000 hours or every two years
1. Check the performance of the engine and replace the hose of fuel system of the engine.
2. Check the airtightness of the distribution valve and working cylinder and repair or replace
them if necessary.
3. Check the working condition of torque converter and transmission, repair them if
necessary.
IX. Maintenance item to be performed once every 6000 hours or every three years.
Check the high pressure oil pipes and sealing elements of hydraulic system and replace them
if necessary.
X. Maintenance item to be performed once every 10000 hours or every five years.
Check the transmission and drive axles, dismantle and repair them if necessary.
