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1
Figure 25
1. Sharpen at this angle only
IMPORTANT:
Check the balance of the blade by
putting it on a blade balancer. You can buy an
inexpensive balancer at a hardware store. A balanced
blade is level horizontally, while an unbalanced blade
drops toward the heavy side. If the blade is not
balanced, file more metal off of the cutting edge on the
heavy end of the blade.
Installing the Blade
1. Install a sharp, balanced Toro blade, an accelerator, a
lock washer and a blade bolt. The blade's sail must
point toward the top of the lawn mower housing for
proper installation. Torque the blade bolt to 50 ft-lb
(68 N m).
2. Return the lawn mower to its upright position.
3. Install the wire onto the spark plug.
Adjusting the Self-propelled
Drive Cable
If the top speed begins to slow on the lawn mower, adjust
the self-propelled drive cable.
1. With the engine turned off, remove the two bolts that
secure the belt cover (Fig. 29).
2. Remove the cover.
3. Loosen the cable support nut (Fig. 26).
4
3
Figure 26
1. Cable jacket
2. Cable support
4. Push the drive bracket down until it contacts the lawn
mower, then hold it in place (Fig. 27).
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2
m–4205
3. Nut
4. Upper handle
1. Drive bracket
5. With the upper handle pulled and held back as far as
possible and while holding the drive bracket down,
pull the cable jacket down (toward the lawn mower) to
remove all the slack in the cable (Fig. 26).
6. Tighten the nut on the cable support (Fig. 26).
7. Release the drive bracket.
8. Install the belt cover.
Lubricating the Self-propelled
Drive
1. Wipe the grease fittings on the rear height-of-cut
adjustors (Fig. 28) with a clean rag.
1. Grease fitting
2. Install a hand-type grease gun onto each fitting in turn
and gently apply one or two pumps of #2
multi-purpose lithium grease.
IMPORTANT:
Excess grease may damage the seals
and prevent the wheel clutch from operating properly.
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. Remove the two bolts that secure the belt cover to the
lawn mower housing (Fig. 29).
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Figure 27
2. Push here
1
Figure 28
276
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