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Fuel System
Maintenance
Emptying the Fuel Tank and
Cleaning the Fuel Filter
Service Interval: Every 50 hours—Check the fuel hose and
replace it if necessary.
Every 100 hours—Clean the fuel filter.
Yearly or before storage—Empty the fuel tank.
The fuel filter (screen) element is located inside the fuel tank.
Clean the fuel filter element every 100 operating hours.
1. Stop the engine and wait for it to cool down.
Important: Drain gasoline from a cold engine
only.
2. Disconnect the wire from the spark plug (Figure 12).
3. Close the fuel valve (Figure 27).
4. Disconnect the fuel line by loosening the tube clamp at
the carburetor.
5. Open the fuel valve.
6. Drain the gasoline completely from the tank and fuel
line into an approved fuel container.
7. Remove the fuel tank from the machine.
8. Close the fuel valve.
9. Pour a small amount of fuel in the fuel tank, move
the fuel around in the tank, and pour it out into an
approved fuel container.
10. Install the fuel tank and fuel line; refer to
2 Installing the Fuel Tank (page 8).
Drive System
Maintenance
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 30).
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 1 inch (2.5
cm) from the handle (Figure 31).
1. 1 inch (2.5 cm)
22
Figure 30
Figure 31
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