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2. If either end of the blade rotates downward, file that
end (not the cutting edge or the end near the cutting
edge). The blade is properly balanced when neither
end drops.
Installing the Blade
1. Install a sharp, balanced Toro blade, the blade
stiffener, the lock washer, and the blade bolt.
Note: The sail part of the blade must point upward
(toward the top of the lawn mower housing).
2. Torque the blade bolt to 45 to 60 ft-lb (33 to 44 N m).
3. Connect the wire to the spark plug.
Lubricating the Self-propel
Drive
After every 25 operating hours or at the end of the season,
lubricate the front and the rear wheels.
1. Wipe the grease fittings with a clean rag (Fig. 29).
1
Figure 29
1. Grease fitting (2)
2. Install a grease gun onto each fitting and gently apply
two or three pumps of #2 multi-purpose lithium base
grease.
IMPORTANT: Applying grease using excess pressure
may damage the seals.
Adjusting the Self-propel Drive
Cable
If the top speed begins to slow on the lawn mower, adjust
the self-propel drive cable.
1. Stop the engine and wait for all moving parts to stop.
2. Remove the belt cover.
3. Loosen the cable support nut (Fig. 30).
4
1. Cable jacket
2. Cable support
4. Push the belt guide tab down until it contacts the lawn
mower, then hold it in place (Fig. 31).
1. Belt guide tab
5. With the upper handle pulled and held back as far as
possible and while holding the belt guide tab down,
pull the cable jacket down (toward the lawn mower) to
remove all the slack in the cable (Fig. 30).
6. Tighten the nut on the cable support (Fig. 30).
7. Release the drive bracket.
8. Install the belt cover.
Cleaning under the Belt Cover
Keep the area under the belt cover free of debris.
1. Stop the engine and wait for all moving parts to stop.
2. Lift off the cover and brush out all the debris from the
belt area (Fig. 31).
3. Install the belt cover.
Servicing the Spark Plug
Check the spark plug after every 25 operating hours. Use a
Champion RC12YC spark plug or equivalent.
1. Stop the engine and wait for all moving parts to stop.
23
1
2
3
m–4205
Figure 30
3. Nut
4. Upper handle
1
Figure 31
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