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Belt Maintenance
Inspecting the Belts
Service Interval: After the first 25 hours—Inspect
the belts and adjust as necessary
(belt-drive models only).
Every 40 hours—Inspect the belts and adjust as
necessary (belt-drive models only).
1.
Park the machine on a level surface and shut
off the engine.
2.
Allow the machine to cool.
3.
Disconnect the wire from the spark plug; refer to
Disconnecting the Spark-Plug Wire (page
4.
Remove the divider plate; refer to
Divider Plate (page
5.
Move the clutch lever to the O
6.
Examine the belts for wear or damage. If the
belts are worn or damaged, replace them; refer
to
Replacing the Belts (page
7.
Examine the pulleys for wear, damage, and
misalignment; refer to
45).
8.
Install the divider plate; refer to
Divider Plate (page
Adjusting the Belt Tension
Clutch air gap: 2.5 to 6.5 mm (3/32 to 1/4 inch)
1.
Park the machine on a level surface and shut
off the engine.
2.
Allow the machine to cool.
3.
Disconnect the wire from the spark plug; refer to
Disconnecting the Spark-Plug Wire (page
4.
Move the clutch lever to the O
5.
Measure the air gap between the engine deck
and the roller on the clutch
28).
Removing the
28).
position.
FF
43).
Aligning the Pulleys (page
Installing the
28).
28).
position.
N
(Figure
67).
1. Engine deck
2. Clutch roller
6.
If the measured air gap is not within the specified
range, adjust the gap as follows:
A.
Move the clutch lever to the O
B.
Loosen the nuts and bolts that secure the
engine to the engine deck
1. Idler pulley
2. Setscrew
C.
Move the engine position as follows:
•
Increase the air gap—move the engine
away from the idler pulley
•
Decrease the air gap—move the
engine toward the idler pulley
68).
D.
Align a straightedge across the engine
pulley and the idler pulley
42
Figure 67
3. Clutch air gap: 2.5 to 6.5
mm (3/32 to 1/4 inch)
position.
FF
(Figure
68).
Figure 68
3. Nut and bolt
4. Engine deck
(Figure
(Figure
(Figure
69).
g019976
g020006
68).
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