8 - 6
Section 3 Routine Maintenance
9803/6020
Section 3
8 - 6
Issue 1
Engine (continued)
Checking Fan Belt Tension
! WARNING
Make sure that the engine cannot be started.
Disconnect the battery before doing this job.
2-3-3-5
1 Prepare the Machine
Put the machine on level ground, lower the bucket to
the ground.
2 Stop the Engine
Remove the starter key.
3 Check the Fan Belt Tension
There must be 10 mm (0.4 in) slack midway between
the alternator A and water pump B.
4 Loosen the Alternator
Slacken bolts C and D.
5 Adjust the Fan Belt
a Use adjusting bolt E to re-position the alternator
so as to adjust the fan belt tension.
Note: If the fan belt is stretched so much that it cannot be
adjusted correctly, fit a new belt.
b When correct tension is achieved fully tighten C
and D.
Fitting a New Fan Belt
1 Prepare the Machine and Stop the Engine
Carry out steps 1 and 2 of Checking Fan Belt
Tension.
2 Loosen the Alternator
Slacken bolts C and D and then adjust bolt E to
loosen fan belt F, so that it can be removed.
3 Fit a new Fan Belt
Remove the fan belt F and replace it with a new one.
Make sure the ‘V’ profile locates in the pulleys
correctly.
Note: It may be necessary to apply leverage to the new
belt to get it over the pulleys.
4 Adjust the Fan belt
Carry out steps 4 and 5 of Checking Fan Belt
Tension.
5 Re-check the Fan Belt Tension
Check after running the machine for 1 hour.
F
B
A
D
C
E
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