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10. Install the fuel tank and fuel line; refer to
3 Installing the Fuel Tank (page 5).
Adjusting the Self-propel Drive
Service Interval: Every 100 hours
If the machine 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 machine housing and remove
the grass bag.
2. Rotate the control knob clockwise a half turn if the
machine does not self-propel. If the machine creeps
forward, rotate the knob a half turn counterclockwise
to loosen the belt (Figure 28).
Figure 28
1. Control knob
3. Slowly pull the machine 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 29).
Figure 29
1. 1 inch (2.5 cm)
Adjusting the Blade-brake
Cable
Service Interval: Before each use or daily—Ensure that
the engine stops within 3 seconds after
releasing the blade-control bar.
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
blade-control bar toward the handle until you remove
the slack in the cable.
4. To adjust the cable, do the following:
A. Loosen the nut on the cable bracket (Figure 30).
1. Handle
2. Brake lever
B. Insert a 3/16 to 1/4 inch (5 to 6 mm) object
between the brake lever and the handle (Figure 30).
C. Pull down on the cable conduit until you remove
the slack from the wire (Figure 30).
D. Tighten the nut.
Maintaining the Cutting Blade
Always mow with a sharp blade. A sharp blade cuts cleanly
and without tearing or shredding the grass blades.
1. Stop the engine and wait for all moving parts to stop.
2. Disconnect the wire from the spark plug.
3. Drain the gasoline from the fuel tank; refer to
Emptying the Fuel Tank and Cleaning the Fuel Filter (page 17).
4. Tip the machine with the air filter up (Figure 31).
18
Figure 30
3. 3/16 to 1/4 inch (5 to 6
mm)
4. Cable bracket
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