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Belt Maintenance
Servicing the Drive Belt
New belts must be broken-in before they will shift properly.
A belt will brake-in within the first two hours of normal
operation.
Checking the Drive Belt
Service Interval: After the first 8 hours
Every 200 hours
Note: If the unit continues to move when the engine is at
low idle, the clutches may be dirty and require washing.
1. Park the machine on a level surface, shift into Neutral,
set the parking brake, turn the ignition off, and remove
the key.
2. Raise the bed and secure it with the prop rod.
3. Rotate and inspect the belt (Figure 40) for excessive
wear or damage. Replace the belt if necessary.
2
1
Figure 40
1. Primary clutch
2. Drive belt
Replacing the Drive Belt
1. Rotate and route the belt over the secondary clutch
(Figure 40).
2. Remove the belt from the primary clutch (Figure 40).
3. To replace the belt, reverse the procedure.
Checking the Belt Pull Bumper
Note: The belt pull bumper only needs to be checked
when troubleshooting vibration, performing a rebuild, or
experiencing an engine mount failure.
The belt pull bumper (Figure 41) should maintain a gap of
0.09 inches (2.2 mm). If the bumper is too close to the engine
3
G017197
3. Secondary clutch
bracket, the belt will cause excessive vibration. If the bumper
is too far from the engine bracket, the belt will cause harmful
engine stress. To adjust the gap, loosen the 3 flange-head
bolts securing the bracket to the frame and slide the bracket
the appropriate distance. Once the gap is correct, tighten
the 3 flange-head bolts.
G01751 1
1. Engine bracket
2. Bumper
34
1
2
Figure 41
3. Bracket
4. Flange-head bolt
3
4
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