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Belt Maintenance
Checking the Drive Belt
Tension
Service Interval: Every 25 hours
Note: Replace the belt if it shows any signs of wear, cracks,
or damage.
1. Shut off the engine and wait for all rotating parts to
stop.
2. Remove belt guard retaining screws (Figure 20).
4
1
2
3
Figure 20
Your model may vary
1. Belt guard
2. Lock washer
3. Washer
3. To check belt tension, gently squeeze the belt spans
together. You should be able to push the belt down
about 1/4–3/8 inch (6–10mm) from the original
position.
Important: To extend the belt life, proper tension must
be maintained. A loose belt will cause excessive cutting
wheel slippage and early belt failure. A belt that is too
tight can cause bearing and shaft failure, and rapid belt
wear.
Adjusting the Drive Belt
1. Remove the belt guard.
2. Loosen the 4 engine mounting bolts, and jam nuts
holding the adjustment bolt (Figure 21).
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g014510
4
4. Bolt
5. Nut
1. Bolt
2. Jam Nut
3. Turn square head adjusting bolt on the frame clockwise
to tighten the belt, counter clockwise to loosen the belt
Important: Important: Make sure to tighten
all engine bolts after proper belt adjustment is
achieved.
4.
Install the belt guard and secure with previously
removed hardware.
16
Figure 21
3. Engine mount bolt
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