Maintenance Instructions
65
4.1.3 Technical Maintenance for Every 250 Work Hours
1.
1. Perform all technical maintenance required after 50 work hours.
2.
2. Lubricate all grease fittings according to Table 4-1.
3.
3. Change the engine oil and the oil filter.
4.
4. Clean the air filter and replace the air filter element.
5.
5. Clean the oil filter of the lifter, and replace the filter element, if necessary.
6.
6. Maintain the diesel engine according to the requirement of level 2 technical maintenance described in the
diesel engine operation and maintenance manual.
4.1.4 Technical Maintenance for Every 500 Work Hours
1.
Perform all technical maintenance required after every 250 work hours.
2.
Change the filter core for the fuel air separator in the fuel injection pump.
3.
Check the tightness of the toe-in of the front wheel and the front wheel bearing, and adjust the tightness
if necessary. Replace the lubricating oil inside the front wheel hubs.
4.
Check the angle of the steering wheel during idle running, adjust the angle if necessary.
5.
Change the engine oil filter.
6.
Clean and maintain the hydraulic system filter.
7.
Change the lube oil in the fuel injection pump casing.
8.
Change the oil in the engine, the transmission, the rear axle, the transfer case, the front drive axle,
the hydraulic lifter, and the steering gear.
9.
Check and adjust the toe-in of the front wheels.
10.
Adjust the steering wheel free play.
11.
Drain, flush, and refill the cooling system with a 50/50 water/antifreeze mix.
12.
Maintain the diesel engine according to the requirement of level 3 technical maintenance described in
diesel engine operation and maintenance manual.
