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Belt Maintenance
Adjusting the Drive-Belt
Tension
Service Interval: Before each use or daily
Note:
Inspect the drive belt through the slot on top of
the belt cover. Adjust as required.
1.
Park the machine on a level surface and engage
the parking brake.
2.
Shut off the engine and wait for all moving parts
to stop.
3.
Loosen the 2 bolts securing the belt guard to
machine until you can remove the belt guard
(Figure
25).
Note:
The bolts and washers will remain
attached to the belt guard.
Figure 25
1. Belt guard
4.
Remove the belt guard
5.
Loosen the 4 engine-plate mounting bolts and
the 2 bolts securing the rear of the belt guard to
the engine
(Figure 26
g205161
2. Bolt and washer (2)
(Figure
25).
and
Figure
27).
1. Bolt
6.
Loosen the belt-tension bolt and jam nut. Slide
the engine toward the flywheel housing to loosen
the belt
(Figure
1. Tension bolt and jam
7.
Adjust the drive-belt tension by tightening
tension bolt and jam nut against the engine
mounting plate, pushing the engine rearward.
8.
Lay a straightedge across the clutch and
flywheel pulleys. Tighten the belt-tension bolt
so there is 10 mm (0.40 inch) of flex in the belt
when pushing down with 6.8 kg (15 lb) force at
mid-span (when re-tensioning a belt in use), or
with 8 kg (18 lb) force when installing a new belt
(Figure
28).
20
Figure 26
27).
Figure 27
2. Engine plate mounting bolt
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g016617
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