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Adjusting the Self-propel Drive
Cable
Whenever you install a new self-propel cable or if the
self-propel drive is out of adjustment, adjust the self-propel
drive cable.
1. Loosen the cable-support nut (Figure 36).
2. Pull down the cable jacket (toward the machine) until
there is no slack in the cable (Figure 37).
3. Tighten the nut on the cable support.
Figure 36
Figure 37
Servicing the Blade-drive
System
Service Interval: Every 50 hours
1. Remove the blade-drive system cover (Figure 38).
1. Bolts
2. Brush or blow out debris from the inside of the shield
and around all the parts.
3. Hold a 0.010-inch feeler gauge, a piece of paper, or a
note card against the wall and slide it down behind the
belt tension spring.
Note: If there is a visible gap between the gauge and
the spring, tighten the adjusting bolt and the nut until
the paper barely slides freely in and out of the gap
(Figure 39).
3
2
1
1. Belt-tension spring
2. Adjusting bolt
3. Gap
Important: Do not overtighten the adjusting bolt.
This could damage the blade-drive belt.
4. Install the blade-drive system cover that you previously
removed.
19
1
2
Figure 38
2. Cover
4
5
6
Figure 39
4. Adjusting nut
5. Blade-drive belt
6. Wall
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