Servicing The Spark Plug - Toro Workman 07040 Operator's Manual

Changing the Engine Oil
1. Start the machine and let the engine run for a
few minutes.
2. Park the machine on a level surface.
3. Engage the parking brake.
4. Shut off the engine and remove the key.
5. Raise the cargo box and secure it with the
prop rod; refer to
Service Position (page
6. Change the engine oil as shown in
Figure 42
Raising the Cargo Bed to the
21).
Figure

Servicing the Spark Plug

Checking and Replacing the Spark
Plug
Service Interval: Every 100 hours/Yearly (whichever
Carburetor Model Spark Plug Type: Champion
XC12YC
EFI Model Spark Plug Type: Champion RC12LC4
42.
Air Gap: 0.76 mm (0.03 inch)
Important:
dirty, or malfunctioning spark plug. Do not
sand-blast, scrape, or clean electrodes by using
a wire brush because grit may eventually release
from the plug and fall into the cylinder. The result
is usually a damaged engine.
Note:
The spark plug usually lasts a long time;
however, the plug should be removed and checked
whenever the engine malfunctions.
1. Clean the area around the spark plug so that
foreign matter cannot fall into the cylinder when
you remove the spark plug.
2. Pull the wire off the terminal of the spark plug.
3. Remove the plug from the cylinder head.
4. Check the condition of the side electrode, center
electrode, and center electrode insulator to
ensure that there is no damage
Note:
plug. Replace it with a new spark plug of the
specified type.
g192770
1. Center electrode insulator
2. Side electrode
5. Set the air gap between the center and side of
the electrodes at 0.76 mm (0.03 inch) as shown
in Figure
38
comes first) Replace the spark plug
if necessary.
You must replace a cracked, fouled,
Do not use a damaged or worn spark
Figure 43
3. Air gap (not to scale)
43.
(Figure 43).
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