Maintenance
30
1
Figure 8
1. Drain
cap
6. Unscrew dipstick and add oil to crankcase. Refer
to Fill Crankcase With Oil, page 15. Crankcase
capacity is 36 oz. (1.06 l). DO NOT
OVERFILL or engine damage may result.
Spark
Plug
Service Interval/Specification
Since air gap between center and side electrodes of
the spark plug increases gradually during normal
operation of the engine, check condition of electrodes
after every 25 operating hours. Recommended air gap
is 0.030 of an inch (0.762 mm). Correct spark plug to
use is: Champion RJ -19LM.
Note: The spark plug usually lasts a long
time; however, the plug should be
removed and checked whenever the
engine malfunctions.
Removing the Spark Plug(s)
1. Disengage the power take off (PTO), set the
parking brake, and turn the ignition key to
“OFF” to stop the engine. Remove the key.
2. Pull the wire off the spark plug (Fig. 9).
3. Clean area around spark plug so foreign matter
cannot fall into cylinder when spark plug is
removed.
4. Remove the spark plug(s).
1
2
Figure 9
1. Spark
plug wire
2.
Spark plug
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