2 - 4
Every 250 Operating Hours or Monthly
Whichever occurs first
1 Do a 100 hour service plus:
2 Clean
a Drain water and deposits from hydraulic oil tank.
b Air cleaner dust valve.
3 Grease
a Door and canopy hinges.
b Slew ring bearing.
4 Change
a Engine oil.
b Engine oil full flow filter element.
5 Check (Engine Stopped)
a Battery electrolyte level.
b Security of major unit mounting bolts and nuts.
If loose, tighten to specified torque.
c Track gearbox oil level.
d Fan belt adjustment.
e Air inlet system security
Every 500 Operating Hours or 3-Monthly
Whichever occurs first
1 Do a 250 hour service plus:
2 Clean
a Radiator, grille and oil cooler fins.
3 Grease
a Slew ring teeth.
4 Change
a Fuel filter element.
5 Check (Engine Stopped)
a Exhaust system security.
b Top and bottom track rollers for oil leaks.
c Track idler wheels for oil leaks.
d Hydraulic oil (check the degradation and cleanliness
by sampling).
e Seat belt condition and security.
f Teeth and sidecutters.
6 Check (Engine Running)
a Operation of throttle system.
b Operation of overload warning.
c Operation of stop control.
Every 1000 Operating Hours or 6-Monthly
Whichever occurs first
1 Do a 500 hour service plus:
2 Clean
a Fuel lift pump strainer.
b Hydraulic fluid suction strainer.
3 Change (Engine Stopped)
a Engine air filter element (outer).
b Hydraulic tank air breather element.
c Track gearbox oil.
d Return filter element.†††
e Nephron filter.†††
f Servo oil filter element.†††
g Drain filter.†††
4 Check (Engine Stopped)
a Track wear.
Every 2000 Operating Hours or Yearly
Whichever occurs first
1 Do a 1000 hour service plus:
2 Check (Engine Stopped)
a Sample hydraulic oil and replace if necessary.
3 Grease
a Slew gearbox
4 Change
a Hydraulic fluid suction strainer.
b Engine air filter element (inner).
Every 4000 Operating Hours or 2 Years
Whichever occurs first
1 Do a 2000 hour service plus:
2 Change
a Top and bottom track roller oil
b Long life coolant.
c Fuel hose (fuel tank - engine).
d Fuel hose (fuel filter - injection pump).
e Hydraulic pump exit hose (pump - operation valve).
f Boom ram line hose.
g Dipper ram line hose.
h Bucket ram line hose.
††† Refer to Service intervals for Hydraulic Oil and Filters
when using a Breaker.
Section 3 Routine Maintenance
9803/6020
Section 3
2 - 4
Issue 1
Service Schedules