22
Owner’s Manual for Powerwagon
Maintenance and Troubleshooting
Inspecting Air Filter
Proceed as follows to service the air filter.
1.
See
. Remove air cleaner cover (A). Do
not allow dirt or debris to fall into air cleaner base
opening.
Figure 4-4. Air Cleaner Assembly
2.
Remove foam or paper element (B).
3.
Inspect and clean or replace any damaged air
cleaner parts.
NOTE:
Clean foam element with soapy water. Blow
paper element with compressed air or lightly tap off dust.
Never attempt to brush element.
4.
Install the air cleaner.
Inspecting Spark Plug
IMPORTANT NOTE: Use only the recommended
spark plug, or equivalent. Incorrect heat range of
spark plug may damage engine.
The spark plug gap must be correct with no deposits or
corrosion around the spark plug. Proceed as follows to
inspect and, if necessary, replace the spark plug.
1.
Remove spark plug cap.
2.
Clean around spark plug base with a clean, lint free
cloth.
3.
Remove spark plug.
4.
Inspect spark plug. Clean with a steel brush. If
insulator is damaged, replace spark plug.
5.
See
. Measure spark plug clearance
with a feeler gauge. Clearance should be approxi-
mately 0.019–0.028 in (0.5–0.7 mm). Bend the
side electrode carefully if adjustment is necessary.
Figure 4-5. Spark Plug Gap
6.
To avoid cross-threading, screw in spark plug by
hand, then tighten with a spark plug wrench to
compress the gasket.
IMPORTANT NOTE: Tighten spark plug securely to
prevent overheating.
NOTE:
If installing a new spark plug, do not tighten more
than one half turn after the gasket is compressed.
NOTE:
If installing the old spark plug, do not tighten
more than 1/8–1/4 turn after the gasket is compressed.
Removing and Replacing Front Tires
1.
See
. Place unit on a firm, level surface.
Support front of frame with jack stands to lift tires
off the ground.
Figure 4-6. Unit on Jack Stands
NOTE:
Verify jack stands are not touching tires.
2.
. Remove tire retaining ring (A) with
screwdriver. Remove washer and tire. Verify key is
in axle.
WARNING
Explosion and fire. Never clean air filter element
with gasoline or low flash-point detergents.
Doing so could result in death, serious injury,
or equipment damage.
(000580)
008418
A
B
008419
WARNING
Tipping hazard. Properly support the unit when
jacking. Failure to do so could result in death,
serious injury, property or equipment damage.
(000447)
006180