Toro 22177, Operator'S Manual

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Fuel System
Maintenance
Emptying the Fuel Tank and
Cleaning the Fuel Filter
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.
Note:
Drain gasoline from a cold engine only.
2. Disconnect the wire from the spark plug
(Figure 13).
3. Disconnect the fuel line (Figure 28) by
loosening the tube clamp at the carburetor.
4. Open the fuel valve by turning the lever to the
open position.
5. Drain the gasoline completely from the tank
and fuel line into an approved fuel container.
6. Remove the fuel tank from the mower.
7. 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.
8. 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
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 31).
Figure 31
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 32).
Figure 32
1. 1 inch (2.5 cm)
Servicing the Wheels
Removing the Wheels
1. Stop the engine and wait for all moving parts
to stop.
2. Disconnect the wire from the spark plug
(Figure 13).
3. Remove the bolt, the wheel spacer, and the
locknut mounting the wheel to the pivot arm
(Figure 33).
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