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27. Unit Maintenance
27.1 Maintenance Schedule
For the most reliable operation and for maximum life, this unit requires regular
maintenance. This includes oil and filter changes, fuel filter and air cleaner
replacement and coolant replacement.
Maintenance should be performed by properly trained personnel on the
following schedule:
WARNING
!
Unit may start automatically at any time even if the switch is
in the OFF position. Use proper lockout/tagout procedures
before inspection/servicing. All unit inspection/servicing by
properly trained personnel only.
System Operation
Pretrip Inspections
1. Pretrip Inspection - See Pretrip Inspection
2. Run Microprocessor Pretrip - Before loading, see
Pretrip
3. Check Engine Hours
Every Service Interval or Yearly
Engine 1. Check engine oil and filter change interval
2. Check low oil pressure switch
3. Clean crankcase breather
4. Check fuel injectors every 1,500 hours*
5. Check injection pump every 3,000 hours*
6. Check and adjust engine valves every 4,000 hours
Fuel
System
1. Clean mechanical and electric (if equipped) fuel pump
screens
2. Change fuel filter
3. Check fuel heater (if equipped)
Cooling
System
1. Check coolant change interval. If replacement is not
required, check antifreeze concentration using a
refractometer (Carrier Transicold P/N 07-00435-00)
2. Clean condenser/radiator surfaces
3. Check water pump
4. Check water temperature sensor
Exhaust
System
1. Check mounting hardware
2. Check muffler and exhaust pipes
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