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Fuel System
Maintenance
Emptying the Fuel Tank and
Cleaning the Fuel Filter
Service Interval: Every 100 hours
Every 50 hours
Yearly or before storage
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 15).
3. Close the fuel valve (Figure 5).
4. Disconnect the fuel line (Figure 24) 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 mower.
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 Installing
the Fuel Tank and the Fuel Line.
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 27).
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 28).
1. 1 inch (2.5 cm)
21
Figure 27
Figure 28
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