Servicing The Spark Plug - Toro 30187 Operator's Manual

9. Check the oil level; refer to Checking the
Engine Oil Level in theEngine Maintenance,
page 25.
10. Slowly add the additional oil to bring it to the
Full mark.
Changing the Oil Filter
Replace the oil filter every 200 hours or every
other oil change.
Note: Change oil filter more frequently when
operating conditions are extremely dusty or sandy.
1. Drain the oil from the engine; refer to
Changing the Oil.
2. Remove the old filter and wipe the filter
adapter (Figure 23) gasket surface.
3. Apply a thin coat of new oil to the rubber
gasket on the replacement filter (Figure 23).
Figure 23
1. Oil lter
2. Gasket
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 1/2 turn
(Figure 23).
5. Fill the crankcase with the proper type of new
oil; refer to Changing the Oil.

Servicing the Spark Plug

Check the spark plug(s) after every 200 operating
hours. Make sure the air gap between the center
and side electrodes is correct before installing the
3. Adapter
spark plug. Use a spark plug wrench for removing
and installing the spark plug(s) and a gapping
tool/feeler gauge to check and adjust the air gap.
Install a new spark plug(s) if necessary.
Type: Champion® RC12YC or Champion®
Premium Gold 2071 (or equivalent)
Air Gap: 0.040 inch (1.02 mm)
Removing the Spark Plug(s)
1. Disengage the power take off (PTO) and turn
the ignition key to off. Remove the key.
2. Pull the wire(s) off the spark plug(s) (Figure 24).
Now clean around the spark plug(s) to prevent
dirt from falling into the engine and potentially
causing damage.
3. Remove the spark plug(s) and metal washer.
Figure 24
1. Spark plug wire
Checking the Spark Plug
1. Look at the center of the spark plug(s)
(Figure 25). If you see light brown or gray on
the insulator, the engine is operating properly.
A black coating on the insulator usually means
the air cleaner is dirty.
Important: Never clean the spark
plug(s). Always replace the spark plug(s)
when it has: a black coating, worn
electrodes, an oily film, or cracks.
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2. Spark plug