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7 - 3
Section 3
Routine Maintenance
9803/6020
Section 3
7 - 3
Issue 1
Checking the Track Shoes
1
Prepare the Machine
Position the machine on level ground and switch off
the engine.
2
Inspect the Track Shoes
Check the shoes for wear and for loose mounting
bolts.
3
Carry out Repairs or Maintenance
a
Replace any damaged or broken shoes.
b
Tighten or re-tighten the shoe-mounting bolts in
the sequence shown at
A
to a torque of 197 - 236
Nm (145 - 174 lbf ft).
Checking the Rollers and Idler Wheels
for Oil Leaks
1
Prepare the Machine
See
Clean the Tracks
, steps 1 to 3.
Block the undercarriage.
2
Look for Oil Leaks
Check the top and bottom rollers and the idler wheels
for oil leaks.
!
CAUTION
Do not run the machine if you discover oil leaks in the
top or bottom rollers or idler wheels. Failure to rectify
such leaks could cause damage to the machine.
8-3-4-6
3
Lower the Track
Remove the blocks from beneath the undercarriege.
See
Clean the Tracks
, step 5.
4
Repeat for the Opposite Track
Swing the boom to the other side and repeat steps 1
to 3 above.
JS08500
1
3
2
4
A
Tracks and Running Gear
(continued)
Summary of Contents for JS70
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Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...