Nortrac 35XT Owner's Manual page 59

4.1.2 Technical Maintenance for Every 50 Hours
1. Perform all the requirements of the technical maintenance per shift.
2. Check the air filter and remove the dust.
3. Check the tightness of the fan belt. When pressing the belt, it should deflect 15 - 20mm
(0.6 - 0.8 in.). Adjust if necessary.
4. The terminals on the battery should be coated with grease to prevent corrosion.
5. Maintain the diesel engine according to the requirements of level 1 technical maintenance" specified in
the engine manual.
4.1.3 Technical Maintenance for Every 200 Hours
1. Perform all technical maintenance required for every 50 work hours.
2. Lubricate all grease fittings according to Table 4-1.
3. Change the diesel engine oil, clean the engine oil pan and the filter screen, and change the oil filter.
4. Replace the air filter element.
5. Clean the oil filter of the lifter, and replace the filter element, if necessary.
6. Carry out maintenance of the diesel engine according to the requirements of the level 2 technical
maintenance specified in the engine manual.
4.1.4 Technical Maintenance for Every 400 Hours
1. Perform all technical maintenance required for every 200 work hours.
2.
Check the oil level in the transmission case, and add oil if necessary.
3.
Check the oil surface level in the front drive axle, and add oil if necessary.
4.
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.
5.
Check the angle of the steering wheel during idle running, adjust the angle if necessary.
6.
Clean and maintain the hydraulic system filter.
7. Carry out maintenance of the diesel engine according to the requirements of the level 3 maintenance
specified in the engine manual.
4.1.5 Technical Maintenance for Every 800 Hours
1.
Perform all technical maintenance required for every 400 work hours.
2.
Change the hydraulic system oil.
3.
Flush cooling system and radiator. Refill with a 50/50 water/anti-freeze mixture.
4.
Clean the transmission case and change the oil in the transmission when the tractor is warm.
5. Clean the oil suction filter screen of the hydraulic system, and check the cleanliness of the hydraulic oil.
When necessary, drain the sump of the lifter case, clean it with solvent, and change the oil.
6. Check and adjust the clearance of the engine valves.
7. Drain and clean the fuel tank and the filter in the fuel tank.
8. Carry out maintenance of the diesel engine according to the requirements of the level 4 maintenance
specified in the engine manual.
Maintenance Instructions
53