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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 the throttle.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug (Fig. 6).
3. Loosen the clamp screw until the throttle control cable
slides (Fig. 25).
1
2
3
4
Figure 25
1. Throttle arm
2. Choke arm
3. Aligned holes
4. Align the holes in the choke arm and the throttle
bracket (Fig. 25).
5. Insert a small-diameter pin into the aligned holes to
hold the adjustment.
6. Push the throttle control cable until the throttle arm
makes contact with the choke arm (Fig. 25).
7. Tighten the cable clamp.
8. Remove the pin.
Adjusting the Self-propel Drive
System
If the lawn mower does not self-propel or has a tendency
to creep forward when the drive is disengaged, adjust the
control cable and the wheel drive.
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6
780
5
4. Throttle bracket
5. Clamp screw
6. Throttle control cable
19
Adjusting the Wheel Drive
1. Remove the grass bag if it is installed on the lawn
mower.
2. If the lawn mower does not self-propel, rotate the
control knob clockwise 1/2 turn (Fig. 26); if the lawn
mower creeps forward, rotate the control knob 1/2 turn
counterclockwise to loosen the belt.
1
Figure 26
1. Control knob
3. Slowly pull the lawn mower backward while you
gradually move the self-propel control bar toward the
handle.
Note: The adjustment when the rear when the rear wheels
stop turning and the self-propel control bar is about 1 inch
(2.5 cm) from the handle (Fig. 27).
Figure 27
1. 1 inch (2.5 cm)
4. Repeat steps 2 and 3 until you achieve the proper
adjustment.
Adjusting the Control Cable
1. Move the ground speed control to the Neutral position
(Fig. ). Ensure that the control is all the way back in
the Neutral slot.
2. Loosen the clamp screw (Fig. 28).
m-4315
m-4323
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