Servicing The Spark Plug - Toro 38472 Operator's Manual

Note:
To determine the proper oil level on the
dipstick, refer to
1. The oil level is at its
maximum.
2. The oil level is too
high—remove oil from
the crankcase.
Note:
You may tip the machine forward (handle
up) a little to make adding oil easier. Remember
to return the machine to the operating position
before checking the oil level.
Important:
Do not tip the machine all the
way forward onto its nose, or fuel may leak
out of the machine.
Use Figure 24 to select the best oil viscosity for
the outdoor temperature range expected:
9. Wait 3 minutes for the oil to settle in the engine.
10. Wipe the dipstick clean with a clean cloth.
Figure 23.
Figure 23
3. The oil level is too
low—add oil to the
crankcase.
Figure 24
11. With the machine in the operating position,
insert the dipstick into the oil-fill tube, but do not
screw it in, then remove the dipstick.
12. Read the oil level on the dipstick.
•
If the oil level on the dipstick is too low,
carefully pour a small amount of oil into
the oil-fill tube, wait 3 minutes, and repeat
steps
dipstick is correct.
•
If the oil level on the dipstick is too high,
drain the excess oil until the oil level on the
dipstick is correct.
Important:
low or too high and you run the engine, you
may damage the engine.
13. Install the dipstick into the oil-fill tube securely.
14. Recycle the used oil properly.
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Servicing the Spark Plug

Service Interval: Yearly—Service the spark plug and
Use a Toro spark plug (Part No. 119-1961).
1. Shut off the engine and wait for all moving parts
to stop.
2. Disconnect the wire from the spark plug
9).
3. Clean around the spark plug.
4. Remove the spark plug from the cylinder head.
Important:
dirty spark plug. Do not clean the electrodes
because grit entering the cylinder can
damage the engine.
5. Set the gap on the plug to 0.76 mm (0.030 inch)
as shown in
1. Center-electrode insulator
g011606
2. Side electrode
6. Install the spark plug and torque it to 27 to 30
N∙m (20 to 22 ft-lb).
7. Connect the wire to the spark plug.
17
10 through 12 until the oil level on the
If the oil level in the engine is too
replace it if necessary.
Replace a cracked, fouled, or
Figure 25.
Figure 25
3. Air gap (not to scale)
(Figure
g000533