Toro 20944, Operator'S Manual

Page: 16 / 20

Replacing the Spark Plug
Service Interval: Every 100 hours
Use a Champion RN9YC spark plug or equivalent.
1. Shut off the engine and wait for all moving parts
to stop.
2. Disconnect the wire from the spark plug.
3. Clean around the spark plug.
4. Remove the spark plug from the engine.
Important:
Replace a cracked, fouled, or
dirty spark plug. Do not clean the electrodes
because grit entering the engine can damage
the engine.
5. Set the gap on the new plug to 0.76 mm as
shown in
Figure 21 .
g000533
Figure 21
1. Center electrode 3. Air gap (not to scale)
2. Side electrode
6. Install the spark plug
7. Tighten the plug to 20 N∙m.
8. Connect the wire to the spark plug.
Replacing the Air Filter
Service Interval: Yearly
1. Press down on the latch tabs on top of the
air-filter cover (
Figure 22 ).
g015983
Figure 22
1. Latch tabs
2. Open the cover.
3. Remove the paper air filter and the foam
pre-filter (
Figure 23 ).
g015984
Figure 23
1. Paper air filter 2. Foam pre-filter
4. Inspect the foam pre-filter, and replace it if it is
damaged or excessively dirty.
5. Inspect the paper air filter.
A. If the paper air filter is damaged or is wet
with oil or fuel, replace it.
B. If the paper air filter is dirty, tap it on a hard
surface several times or blow compressed
air less than 207 kPa (30 psi) through the
side of the filter that faces the engine.
Note:
Do not brush the dirt off the filter;
brushing forces dirt into the fibers.
6. Remove dirt from the air-cleaner body and
cover, using a moist rag.
Do not wipe dirt into
the air duct.
7. Insert the foam pre-filter and the paper air filter
into the air cleaner.
8. Install the cover.
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