Maintenance
Maintenance Schedules
120 9821/6100-4 120
Component Task 10 50 500 1,000 2,000
Coolant Replace
Cooling Pack Clean
Gearbox
Track Gearbox Security Check (condition)
Slew Gearbox Security Check (condition)
Track and Slew Gearbox Oil Replace
Tracks
Track Condition Check (condition)
Idler Wheels Oil and Seals Replace
Track Roller Bolts Check (condition)
Track Roller Oil and Seals Replace
Track Tension Check (operation)
Hydraulics
Hose and Pipework Check (leaks)
Oil Check (level)
Oil Replace
Rams Check (condition)
Return Filter Replace
Suction Strainer Clean
Security of Mounting Bolts on Ma-
jor Components
Check (condition)
Electrics
Wiring Check (condition)
Battery Clean
Battery Electrolyte Level (if applic-
able)
Check (level)
Battery Isolator (Check (operation)
Starter Motor Check (condition)
Alternator Check (condition)
Window Washer Fluid Level Check (level)
Miscellaneous
Fire Extinguisher Check (condition)
(1) Dusty conditions only.
(2) Jobs which must be performed by a specialist.
Functional Tests and Final Inspection
Table 9.
Component Task 10 50 500 1,000 2,000
Body and Framework
Excavator Lever and Pedal Locks Check (operation)
Engine
Idle and Maximum Speed Check (operation)