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Adjusting the Self-Propel
Drive
For Self-Propel-Drive Models Only
Whenever you install a new self-propel cable or if
the self-propel drive is out of adjustment, adjust the
self-propel drive.
1.
Turn the adjustment nut counterclockwise to
loosen the cable adjustment
Figure 34
1. Handle (left side)
2. Adjustment nut
3. Self-propel-drive cable
2.
Adjust the tension on the cable
pulling it back or pushing it forward and holding
that position.
Note:
Push the cable toward the engine to
increase the traction; pull the cable away from
the engine to decrease the traction.
3.
Turn the adjustment nut clockwise to tighten the
cable adjustment.
Note:
Tighten the nut firmly with a socket or
wrench.
(Figure
34).
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4. Turn the nut clockwise to
tighten the adjustment.
5. Turn the nut
counterclockwise to
loosen the adjustment.
(Figure
34) by
Servicing the Blade-Drive
System
Service Interval: Every 50 hours
1.
Remove the blade-drive system cover
35).
1. Bolts
2.
Brush or blow out debris from the inside of the
shield and around all the parts.
3.
Hold a 0.25 mm (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
1. Belt-tension spring
2. Adjusting bolt
3. Gap
Important:
Do not overtighten the adjusting
bolt. This could damage the blade-drive belt.
25
(Figure
Figure 35
2. Cover
(Figure
36).
Figure 36
4. Adjusting nut
5. Blade-drive belt
6. Wall
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