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Figure 18
1. Screw, nuts, lockwasher
4. Slowly pull recoil starter so piston covers exhaust port
(Fig. 19).
5. Clean carbon from exhaust port (Fig. 19) with flat,
hard wood scraper.
IMPORTANT: Do not use a metal scraper or similar
object to clean exhaust port because accidental damage
to the piston or cylinder could easily occur.
6. Reinstall muffler with screw, (2) nuts and lockwashers
(Fig. 19). After cleaning exhaust port, make sure
muffler gasket is still usable.
Figure 19
1. Exhaust port
Adjusting the Self-propel Drive
System
If mower does not self–propel or self–propels when
control bar is more than 38 mm (1 / inches) from the
handle, adjust the gear control cable and the wheel drive
cable.
Adjusting the Control Cable
1. Stop engine and pull wire off spark plug (Fig. 15).
2. Remove the bolts securing the belt cover (Fig. 20) to
the mower housing and lift off the cover.
m-202
2. Muffler pipe
m-203
1. Belt cover
3. Move the ground speed control lever into neutral and
as far back as possible.
4. Loosen the cable retaining screw (Fig. 21).
5. Pull the shift lever to the right until it is tight against
the stop on the gear case (Fig. 21).
6. Pull the cable through the cable retainer to the right to
remove any slack (Fig. 21).
1. Cable retaining screw
2. Shift lever
7. Tighten the cable retaining screw.
8. Replace the belt cover.
Adjusting Wheel Drive Cable
1. Close door in mower housing and remove bag.
2. ADJUSTMENT (Fig. 22)—Rotate control knob
clockwise / turn if mower does not self–propel. If
mower creeps forward, rotate knob / turn
counterclockwise to loosen belt.
16
Figure 20
Figure 21
3. Stop on gear case
4. Cable
m-224
m–4162
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