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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 29)
.
4.
Remove the divider plate; refer to
Divider Plate (page 29)
.
5.
Move the clutch lever to the O
FF
position.
6.
Examine the belts for wear or damage. If the
belts are worn or damaged, replace them; refer
to
Replacing the Belts (page 44)
.
7.
Examine the pulleys for wear, damage, and
misalignment; refer to
Aligning the Pulleys (page
.
8.
Install the divider plate; refer to
Divider Plate (page 29)
.
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 29)
.
4.
Move the clutch lever to the O
N
position.
5.
Measure the air gap between the engine deck
and the roller on the clutch (
).
g019976
Figure 65
1.
Engine deck
3.
Clutch air gap: 2.5 to 6.5
mm (3/32 to 1/4 inch)
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
FF
position.
B.
Loosen the nuts and bolts that secure the
engine to the engine deck (
g020006
Figure 66
1.
Idler pulley
3.
Nut and bolt
2.
Setscrew
4.
Engine deck
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 (
).
D.
Align a straightedge across the engine
pulley and the idler pulley (
).
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