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2
1
Figure 37
1. Center electrode insulator
2. Side electrode
Installing the Spark Plug
1. Install the spark plug(s). Make sure the air gap is set
correctly.
2. Tighten the spark plug(s) to 11 ft-lb (15 N.m).
3. Push the wire(s) onto the spark plug(s) (Fig. 36).
Servicing the Fuel Filter
Replace the fuel filter after every 200 operating hours or
yearly, whichever occurs first.
Replacing the Fuel Filter
Never install a dirty filter if it is removed from the fuel
line.
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Close fuel shut-off valve on console.
4. Squeeze the ends of the hose clamps together and slide
them away from the filter (Fig. 38).
5. Remove the filter from the fuel lines.
6. Install a new filter and move the hose clamps close to
the filter (Fig. 39).
7. Open fuel shut-off valve on console.
3
0.040 inch
(1.0 mm)
m–3215
3. Air gap (not to scale)
(s)
31
2
1
Figure 38
1. Filter
Servicing the Fuel Tank
Draining The Fuel Tank
Danger
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
Drain gasoline from the fuel tank when the
engine is cold. Do this outdoors in an open area.
Wipe up any gasoline that spills.
Never smoke when draining gasoline, and stay
away from an open flame or where a spark may
ignite the gasoline fumes.
1. Park the machine on a level surface, to assure fuel
tanks drain completely. Then disengage the power take
off (PTO), set the parking brake, and turn the ignition
key to off. Remove the key.
2. Close fuel shut-off valve (Fig. 39).
3. Loosen the hose clamp at the fuel filter and slide it up
the fuel line away from the fuel filter (Fig. 39).
4. Pull the fuel line off fuel filter (Fig. 39).
5. Open fuel shut-off valve for left and right tanks. Allow
gasoline to drain into a gas can or drain pan. (Fig. 39).
Note: Now is the best time to install a new fuel filter
because the fuel tank is empty.
M–4294
2. Hose clamp
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