Replacing The Spark Plug - Toro Power Clear 721 R-C Operator's Manual

Figure 23
9. Wait 3 minutes for the oil to settle in the engine.
10. Wipe the dipstick clean with a clean cloth.
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 10 through
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:
If the oil level in the engine is too
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.
12 until the oil level on the

Replacing the Spark Plug

Service Interval: Every 100 hours—Replace the
WARNING
Replacing the spark plug while the engine is
hot can result in burns.
Wait until the engine is cool to replace the
spark plug.
Use a Toro spark plug or equivalent (Champion®
g006374
RN9YC or NGK BPR6ES).
1. Remove the boot
1. Spark-plug boot
2. Clean around the base of the spark plug.
3. Remove and discard the old spark plug.
Note:
You will need a ratchet wrench extension
to remove the spark plug.
4. Set the gap between the electrodes on a new
spark plug at 0.76 mm (0.030 inch) as shown
in Figure
1. 0.76 mm (0.030 inch)
17
spark plug.
(Figure 24).
Figure 24
25.
Figure 25
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