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Spark Plug
Use a Champion RJ19LM spark plug or equivalent. The
correct air gap is 0.030" (0.76 mm). Remove the plug
after every 25 operating hours and check its condition.
1. Stop the engine and pull the wire off the spark plug
(Fig. 14).
Figure 14
1. Spark plug
2. Clean around the spark plug and remove it from the
cylinder head.
IMPORTANT: Replace a cracked, fouled, or dirty
spark plug. Do not clean the electrodes because engine
damage could result from grit entering the cylinder.
3. Set the gap on the new plug to 0.030" (0.76 mm) (Fig.
15).
.030 in.
(.76 mm)
Figure 15
4. Install the spark plug and gasket seal. Tighten the plug
to 15 ft-lb (20 N m).
5. Connect the spark plug wire (Fig. 14).
1
2
1004
2. Spark plug wire
986
Adjusting the Self-propel Cable
Whenever the handle height is changed, a new
self–propelled cable is installed, or the traction drive belt
slips, adjustment is required.
The self–propelled cable is adjusted on the handle by
moving the cable jacket held by the cable support.
1. Loosen the nut on the cable support (Fig. 16).
2. Hold the self–propel bail 1 to 1 / in. (25 to 38 mm)
from the handle (Fig. 16).
1
2
1. 1 to 1 / in. (25 to 38 mm)
2. Self -propelled bail
3. Cable jacket
3. Pull the cable jacket down (away from the bail).
4. Tighten the nut on the cable support.
5. Release the bail and ensure that the cable is loose.
Note: The cable must be loose with the bail in the
released position or the mower may creep when the bail is
disengaged.
14
4
3
5
Figure 16
4. Cable support
5. Nut
1063
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