Preventive Maintenance
Operation Manual71
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 91. Hour Meter
Check condition and tension of drive belts (use
tension meter to check belt tension)
Lubricate front and rear drive shaft grease ttings
Lubricate outrigger pivot point grease ttings
Lubricate front and rear axle grease ttings
Change dierential oil
Change wheel-end oil
Check wheel lug nuts torqued to 515-570 Nm (380-
420 ft lbs)
Lubricate boom pivot point grease ttings
Lubricate front and rear axle cylinder pivot point
grease ttings
Lubricate boom roller grease ttings and chains
Replace hydraulic return line lter
Replace transmission lter and top o uid, as
required
Maintenance Schedule
Every Day or 8 Hours of Operation
See Pre-Operation Inspection Checklist
After First 50 Hours of Operation
Change engine oil and lters
Check air lter (replace if necessary)
Replace fuel lter and prelter
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
Lubricate boom pivot point grease ttings
Lubricate front and rear axle cylinder pivot point
grease ttings
Lubricate outrigger pivot point grease ttings
After Every 50 Hours of Operation
Preventive Maintenance