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8925521
Engine for 20 in. 4-in-1 Self-Propelled Lawn Mower
V4.0
14
For technical questions call 1-800-665-8685
a.
Clean dirty air filter with warm water and mild soap or a non-flammable
solvent. Replace the water as necessary, until the water is no longer dirty.
Dispose of the oil contaminated water in accordance with your local by-laws.
NOTICE! Do not use a flammable solvent to clean the foam filter.
The solvent may dissolve or clog the filter.
b. Allow air filter to dry.
REPLACING THE SPARK PLUG
NOTICE! Using an incorrect spark plug can cause engine damage. Only
replace a spark plug with a model recommended by the manufacturer.
The spark plug must be properly gapped and free of deposits for the best
performance. Check local bylaws to see if a resistor spark plug is required to
suppress ignition signals. Replace the included spark plug with a resistor spark
plug if required.
1. Remove any dirt from around the spark plug area.
2. Unclip the spark plug lead and remove the spark plug with a spark plug
wrench.
3. Inspect the spark plug. Replace it if damaged, badly fouled, the sealing
washer is in poor condition or the electrode is worn.
4. Check the gap with a spark plug gauge
as shown in Figure 4. If necessary, reset
the gap (See Specifications).
a. Correct the gap by carefully
bending the side electrode. Check
the gap after each adjustment.
5. Install the spark plug carefully by hand
to avoid cross threading.
6. Tighten the spark plug to the
recommended torque until the gasket is
compressed. See Specifications for the correct torque rating.
a. Tighten an additional 1/2 to 1/3 turn more with a spark plug wrench if
the torque rating isn’t available.
7. Reconnect the spark plug lead to the spark plug.
Fig. 4