OPERATOR'S MANUAL MAINTENANCE

Section 3 - Maintenance
Routine Maintenance
Engine
3-71 3-71
9803/JSM-0412
Fan Belt
Checking the Fan Belt Tension
!MWARNING
Make sure the engine cannot be started. Disconnect
the battery before doing this job.
2-3-3-5
1 Prepare the machine. K Prepare the Machine for
Maintenance ( T 3-29).
2 Check the fan belt tension. There must be 6-8 mm
(0.24-0.31 in) slack at X.
Fig 45.
3 Loosen the alternator. Slacken bolts A and B.
4 Adjust the fan belt
a Use a lever 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 While levering the alternator pinch the bolt A and
check the tension on the belt.
c If it is not correctly tensioned complete steps 4
and 5.
d When correct tension is achieved fully tighten
bolts A and B.
Fig 46.
Fitting a New Fan Belt
Complete steps 1 and 2.
1 Loosen the alternator. Slacken bolts A, B and adjust
plate C so that the alternator is levered towards the
engine, so that the fan belt D can be removed.
2 Fit a new fan belt. Remove the fan belt D 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.
3 Adjust the fan belt. Carry out step 5 of Adjusting the
Fan Belt.
4 Re-check the fan belt tension. Check after running the
machine for 5 minutes at low idle.