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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
Summary of Contents for JS70
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