21
6. Loosen the tabs that secure the BBC shield to the
housing by loosening the nuts or the bolts on the tabs
(Fig. 25). Rotate the tabs 180
to move them out of the
way.
796
1
2
3
Figure 25
1.
BBC shield
2.
Tabs and nuts
3.
Tab and bolt
7. Remove the BBC shield and brush or blow all the
debris from under the shield and around the BBC
system.
8. Install the BBC shield. Rotate the tabs 180
back into
position. Tighten the nuts or the bolts on tabs to secure
the BBC shield to the housing.
9. Install the blade, the accelerator, the anti-scalp cup, and
the two blade nuts.
10. Turn the lawn mower upright.
11. Connect the wire to the spark plug.
Cleaning under the Belt Cover
Keep the area under the belt cover free of debris.
1. Stop the engine and wait for all moving parts to stop.
2. Remove the bolts that secure the belt cover (Fig. 26) to
the lawn mower housing.
m-224
1
Figure 26
1.
Belt cover
3. Lift off the cover and brush out all the debris around the
belt area.
4. Install the belt cover.
Adjusting the Throttle
You may need to adjust the throttle control if the engine
does not start. Whenever you install a new throttle control
cable, adjust it.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 9).
3. Loosen the cable clamp screw until the throttle cable
slides (Fig. 27).
m-3638
3
4
2
1
Figure 27
1.
Cable clamp screw
2.
Governor control lever
3.
Throttle cable
4.
Casing
4. Move the governor control lever, the throttle cable, and
the casing in the direction of the arrow as far as possible
(Fig. 27).
5. Move the throttle control to the
(Fast) position.
6. Tighten the cable clamp screw to lock the adjustment in
place.
Adjusting the Self-propel Drive
If the lawn mower does not self-propel or has a tendency to
creep forward when the control bar is more than 1-1/2
inches (3.8 cm) from the handle, adjust the wheel drive
control knob on the rear of the gear box.
Adjusting the Control Cable
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 9).
Summary of Contents for 22157
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