Drive System
Maintenance
Adjusting the Self-propel Drive
Service Interval:
Every 100 hours
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.
1. Close the door in the lawn mower housing and
remove the grass bag.
2. Rotate the control knob clockwise a half turn if
the lawn mower does not self-propel. If the lawn
mower creeps forward, rotate the knob a half turn
counterclockwise to loosen the belt (Figure 25).
Figure 25
1.
Control knob
3. Slowly pull the lawn mower backward while you
gradually move the control bar toward the handle.
Note:
The adjustment is correct when the rear
wheels stop turning and the control bar is about one
inch (2.5 cm) from the handle (Figure 26).
Figure 26
1.
1 inch (2.5 cm)
Controls System
Maintenance
Adjusting the Blade Brake
Cable
Service Interval:
Every 100 hours
Whenever you install a new blade brake cable assembly,
adjust it.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug.
3. Check the adjustment of the cable by moving the
control bar toward the handle until you remove the
slack in the cable.
Note:
The gap between the brake lever and the
handle must be between 3/16 and 1/4 inch (5 and 6
mm) to adjust the cable.
4. Loosen the nut on the cable bracket (Figure 27).
Figure 27
1.
Handle
3.
3/16 to 1/4 inch (5 to 6
mm)
2.
Brake lever
4.
Cable bracket
5. Insert a 3/16 to 1/4 inch (5 to 6 mm) object between
the brake lever and the handle (Figure 15).
6. Pull down on the cable conduit until you remove the
slack from the wire (Figure 15).
7. Tighten the nut (Figure 15).
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