62-11863 5-2
NOTES:
* Do not mix standard coolant/antifreeze and extended life coolant/antifreeze. Verify coolant prior to adding any
“make-up” coolant/antifreeze.
** Refer to the engine manual for correct procedure and settings.
Table 5–1 Service Category Descriptions
Service A 1. Check engine cooling system.
2. Check and clean air filter.
3. Check all belts.
4. Check all hardware and unit mounting bolts for tightness. Tighten as required.
Service B
1. Change lube oil and filter(s).
2. Check engine cooling system.
3. Check and clean air filter.
4. Check all belts.
Service C
1. Check fuel pump filter.
2. Replace air filter cartridge.
3. Check battery terminals and fluid level.
4. Check compressor oil level.
5. Check alternator brushes. Check in accordance with diesel hours PLUS stand-
by hours.
6. Check engine thermostat for proper operation.
7. Check defrost:
• Check timer setting and function
• Check refrigerant control valves for proper operation
• Check that fans stop
• Check that defrost ends automatically
• Check water drainage from evaporator
8. Check fan motor brushes.
9. Check and adjust rocker arms.
10. Replace belts as necessary.
Service D
1. Replace oil filter.
2. Clean radiator and condenser.
3. Check refrigerant level.
Service E
1. Change fan motor brushes.
2. Check and rebuild alternator.
3. Check engine speed:
High: 2200-2250; Low: 1800-1850
Service F1
(Std. Coolant) F2
(Ext. Life Coolant)
1. Check all belt tension pulley bearings.
2. Change antifreeze and flush cooling system.*
3. Check bearings in clutch and electric motors.
4. Clean and adjust fuel injectors.**
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