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Preventive Maintenance
Establishing a Maintenance Program
The hour meter displays elapsed engine operating hours
and has a total readout of 9,999.9 hours. Use the hour meter
and the schedules contained in this section to establish a
comprehensive preventive maintenance program.
Figure 96. Hour Meter.
Maintenance Schedule
Every Day or 8 Hours of Operation
See Pre-Operation Inspection Checklist
After First 50 Hours of Operation
Change engine oil and filters
Check air filter (replace if necessary)
Replace fuel filter and prefilter
Check engine hoses and connections for leaks,
damage, and tightness
Check radiator hoses for leaks, damage, and tightness
Check electrical cables, leads, and connections for
damage and tightness
Check for oil and coolant leaks
Operation Manual
Operation Manual
Check condition and tension of drive belts (use
tension meter to check belt tension)
Lubricate front and rear drive shaft grease fittings
Lubricate outrigger pivot point grease fittings
Lubricate front and rear axle grease fittings
Change differential oil
Change wheel-end oil
Check wheel lug nuts torqued to 380-420 ft lbs (515-
570 Nm)
Lubricate boom pivot point grease fittings
Lubricate front and rear axle cylinder pivot point
grease fittings
Lubricate boom roller grease fittings and chains
Replace hydraulic return line filter
Replace transmission filter and top off fluid, as
required
After Every 50 Hours of Operation
Lubricate boom pivot point grease fittings
Lubricate front and rear axle cylinder pivot point
grease fittings
Lubricate outrigger pivot point grease fittings
72
Preventive Maintenance
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