2 - 3
Every 10 Operating Hours or Daily
Whichever occurs first
1 Clean
a Machine generally.
2 Grease
(If operating in very wet or severe conditions)
a Bucket/dipper pivot points.
3 Check (Engine Stopped)
a Generally for damage.
b For oil and coolant leakage.
c Security of bolts and nuts ††.
d For disconnected or shorted wiring, loose terminals.
e Hydraulic fluid level.
f Engine oil level.
g Track tension.
h Windscreen washer fluid level.
j Fuel system for leaks.
k Fuel level.
l The auxiliary circuit hydraulic oil filter visual indicator
(if using a rockbreaker)
†† Tapping with a hammer will identify any loose nuts and
bolts which should then be tightened to the specified torque.
4 Check (Engine Running)
a Operation of warning lights and audible alarm.
b Operation of other electrical equipment.
c Exhaust for excessive smoke.
d Excavator operation.
e Transmission operation.
f Operation of track and slew brakes.
g Operation of hour meter.
Every 50 Operating Hours or Weekly
Whichever occurs first
1 Do the daily jobs plus:
2 Clean
a Drain water and sediment from fuel tank.
b Drain fuel water separator.
3 Grease
a All pivot pins.
Every 100 Operating Hours or 2-Weekly
Whichever occurs first
1 Do a 50 hour service plus:
2 Clean
a Battery terminals.
b Fuel lift pump strainer†.
3 Change
a Engine oil main filter element †.
b Engine oil †.
c Servo oil filter element †.
d Engine oil filter by-pass element †.
e Return filter element†.
f Drain filter element †.
g Track gearbox oil†.
h Fuel filter element†.
4 Check (Engine Stopped)
a Hoses and pipework for chafing or damage.
b Condition of ram piston rods.
c Bucket pivot pin grease seals†.
d Track plate condition.
e Track and running gear.
f Top and bottom track rollers for oil leaks †.
g Track idler wheels for oil leaks †.
h Security of major unit mounting bolts and nuts†.
If loose, tighten to specified torque.
i Wiring for chafing.
j Fan belt adjustment†.
k Accumulator operation.
l Radiator for damage.
m Oil cooler for damage.
n Battery electrolyte level†.
p Exhaust system security†.
r Teeth and sidecutters†.
5 Check (Engine Running)
a Operation of throttle system†.
b Operation of overload warning†.
c Operation of stop control†.
† These procedures are only to be carried out after the first
100 hours use of a new machine. Thereafter they are to be
carried out as detailed in the following periodic checks.
Section 3 Routine Maintenance
9803/6020
Section 3
2 - 3
Issue 1
Service Schedules
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