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7. Fill the crankcase to the FULL line on the dipstick
with fresh oil. Refer to the Oil section, page 7, for
specifications.
8. Check the oil level and install the dipstick.
9. Wipe up any spilled oil.
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. 17).
Figure 17
1. Spark plug wire
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.
18).
.030 in.
(.76 mm)
Figure 18
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. 17).
Adjusting the Self-propel Cable
Self-propelled Models Only
If the top speed begins to slow on the mower, adjust the
self–propel cable.
1. With the engine turned off, remove the two bolts
securing the belt cover (Fig. 19) and remove the cover.
1. Belt cover
2. Loosen the cable support nut (Fig. 20).
1
1002
1. Cable jacket
2. Cable support
3. Push the drive bracket down until it contacts the
986
1. Drive bracket
4. With the upper handle pushed and held back as far as
5. Tighten the nut on the cable support (Fig. 20).
6. Release the drive bracket and install the belt cover.
Maintaining the Blade
A straight, sharp blade provides maximum cutting
performance. Regularly inspect and sharpen the blade.
13
1
Figure 19
4
3
Figure 20
mower, then hold it in place (Fig. 21).
Figure 21
possible and while holding the drive bracket down,
pull the cable jacket down (toward the mower) until all
slack is removed from the cable (Fig. 20).
2
281
2. Bolt
1
2
m–4205
3. Nut
4. Upper handle
2
1
m–4273
2. Push here
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