Toro 30488, Operator'S Manual

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4. Install the replacement oil filter to the filter adapter,
turn the oil filter clockwise until the rubber gasket
contacts the filter adapter, then tighten the filter an
additional 3/4 turn (
Figure 32 ).
5. Fill the crankcase with the proper type of new oil; refer
to
Servicing the Engine Oil (page 26) .
6. Run the engine for about 3 minutes, stop the engine,
and check for oil leaks around the oil filter and the
drain valve.
7. Check the engine-oil level and add oil if needed.
8. Wipe up any spilled oil.
Servicing the Spark Plugs
Service Interval: Every 100 hours
Ensure that the air gap between the center and side electrodes
is correct before installing the spark plug. Use a spark plug
wrench for removing and installing the spark plugs and a
gapping tool/feeler gauge to check and adjust the air gap.
Install a new spark plugs if necessary.
Type: Champion® RCJ8Y or equivalent Air Gap: 0.75 mm
(0.03 inch)
Removing the Spark Plugs
1. Disengage the PTO 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. Disconnect the wires from the spark plugs ( Figure 33 ).
1
Figure 33
1. Spark-plug wire/spark plug
4. Clean around the spark plugs to prevent dirt from
falling into the engine and potentially causing damage.
5. Remove the spark plugs and the metal washers.
Checking the Spark Plugs
1. Look at the center of the spark plugs ( Figure 34 ).
Note:
If you see light brown or gray on the insulator,
the engine is operating properly. A black coating on the
insulator usually means that the air cleaner is dirty.
2. If needed, clean the spark plug with a wire brush to
remove carbon deposits.
Figure 34
1. Center electrode insulator 3. Air gap (not to scale)
2. Side electrode
Important:
Always replace the spark plugs when
it has worn electrodes, an oily film on it, or has
cracks in the porcelain.
3. Check the gap between the center and side electrodes
(
Figure 34 ). Bend the side electrode ( Figure 34 ) if the
gap is not correct.
Installing the Spark Plugs
1. Install the spark plugs and the metal washer. Ensure
that the air gap is set correctly.
2. Tighten the spark plugs to 22 N-m (16 ft-lb).
3. Connect the wires to the spark plugs ( Figure 34 ).
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