Servicing The Spark Plug - Toro CM-658H-S Operator's Manual

5. When the oil has drained completely, install the drain
plug with a new washer (Figure 45).
Note: Dispose of the used oil at a certified recycling
center.
Filling the Engine Crankcase with Oil
1. Remove the dipstick (Figure 46) and slowly pour oil
into the fill hole until the oil reaches the upper-limit
mark (bottom edge of the oil-fill hole) on the dipstick.
1
2
Figure 46
1. Oil fill hole
2. Dipstick
2. Replace and secure the dipstick.
3. Wipe up any spilled oil.

Servicing the Spark Plug

Service Interval: Every 100 hours/Every 6 months
(whichever comes first)—Check the
spark plug.
Every 300 hours/Yearly (whichever comes
first)—Replace the spark plug.
Type: NGK BPR6ES or equivalent
Gap: 0.7 to 0.8 mm (0.028 to 0.031 inch)
Note: Use a 13/16 inch (21 mm) spark-plug wrench for
removing and installing the spark plug.
3
4
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3. Oil-level upper limit
4. Oil-level lower limit
Removing the Spark Plug
1. Park the machine on a level surface and turn off the
engine; refer to Stopping the Engine (page 24).
2. Ensure that the machine surfaces are cool.
3. Pull the spark-plug wire off the terminal of the spark
plug (Figure 47).
1. Spark plug
4. Clean around the spark plug.
5. Rotate the spark plug counterclockwise using a 13/16
inch (21 mm) spark-plug wrench to remove the plug
and the sealing washer (Figure 48).
31
Figure 47
2. Wire
Figure 48
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