Figure 24
1. Center electrode insulator
2. Side electrode
3. Air gap (not to scale)
6. Install the spark plug and the g ask et seal.
7. T or que the plug to 17 ft-lb (23 N ⋅ m).
8. Connect the wire to the spark plug .
Fuel System
Maintenance
Emptying the Fuel Tank and
Cleaning the Fuel Filter
T he fuel filter (screen) element is located inside
the fuel tank. Clean the fuel filter element ev er y
100 operating hours .
1. Stop the engine and w ait for it to cool do wn.
Important: Drain gasoline fr om a cold
engine onl y .
2. Disconnect the wire from the spark plug
( Figure 11 ).
3. Close the fuel v alv e ( Figure 22 ).
4. Disconnect the fuel line b y loosening the tube
clamp at the carburetor .
5. Open the fuel v alv e .
6. Drain the g asoline completely from the tank
and fuel line into an appro v ed fuel container .
7. R emo v e the fuel tank from the mo w er .
8. Close the fuel v alv e .
9. P our a small amount of fuel in the fuel tank,
mo v e the fuel around in the tank, and pour it
out into an appro v ed fuel container .
10. Install the fuel tank and fuel line; refer to
Installing the Fuel T ank and the Fuel Line .
Drive System
Maintenance
Adjusting the Self-propel
Drive
If the mo w er does not self-propel or has a
tendency to cree p forw ard when the control bar is
more than 1-1/2 inc hes (3.8 cm) from the handle ,
adjust the self-propel dri v e .
1. Loosen the n ut that secures the tur nbuc kle
( Figure 25 ).
Figure 25
1. Turnbuckle 3. Cable
2. Nut
4. 1-1/2 inches (3.8 cm)
2. T ur n the tur nbuc kle until y ou remo v e the slac k
in the exposed cable ( Figure 25 ).
3. Tighten the n ut.
Note: T o c hec k the adjustment, slo wly pull
the mo w er bac kw ard while y ou g radually
mo v e the control bar to w ard the handle . T he
adjustment is cor rect when the rear wheels
stop tur ning and the top of the control bar is
about 1-1/2 inc hes (3.8 cm) from the handle .
Servicing the Wheels
Removing the Wheels
1. Stop the engine and w ait for all mo ving par ts
to stop .
2. Disconnect the wire from the spark plug
( Figure 11 ).
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