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8. Stop the engine. Check the oil level (see Oil Level
Inspection section).
Air Filter Inspection and Replacement
1. Push machine to level surface.
2. Turn off LP cylinder and remove it.
3. Turn the two knobs 1/4 turn counter-clockwise and
remove the filter cover.
4. Loosen clamp that retains filter and remove the air
filter.
CAUTION! Do not wash the air cleaner filters. Do not
oil the air filters. Do not use pressurized air to clean
the air filters.
5. Inspect both primary and secondary air filters. If
necessary, clean primary filter by lightly tapping and
wipe seal ends with a clean cloth. If primary filter
cannot be cleaned, is bent, or damaged, it must be
replaced. (Part # KA110130752) If secondary filter
is dirty, do not attempt to clean it. Replace it with a
new filter (Part # KA110137046).
6. Check the intake hose for cracks or damage.
7. Install filters and replace cover.
Spark Plug Inspection and Replacement
1. Turn off LP cylinder and remove it.
2. Pull spark plug cap off of spark plug.
3. Remove spark plug by turning counter-clockwise and
inspect it.
Note: If the plug is oily or has carbon build up on it,
clean the plug using a high flash-point solvent and a
wire brush or other suitable tool.
Note: If the spark plug electrodes are corroded or
damaged, or if the insulator is cracked, replace the
plug. Use Only Part # KA920702112. DO NOT use
any other spark plug!
4. Measure the gap with a wire-type thickness gauge.
The correct gap is .025 in (.635 mm). If the gap is
incorrect, carefully bend the side electrode with a
suitable tool to obtain the correct gap.
A: Insulator
B: Center Electrode
C: Plug Gap
D: Side Electrode
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