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3. Install the battery cover.
Replacing the Blade
Service Interval: Yearly
Important: You will need a torque wrench to install the
blade properly . If you do not have a torque wrench or
are uncomfortable performing this procedure, contact
an Authorized Service Dealer.
Examine the blade whenever you run out of gasoline. If the
blade is damaged or cracked, replace it immediately. If the
blade edge is dull or nicked, have it sharpened or replace it.
1. Disconnect the spark-plug wire from the spark plug.
Refer to
Preparing for Maintenance (page
2. Tip the machine onto its side, with the air filter up.
3. Use a block of wood to hold the blade steady.
4. Remove the blade (turn the blade bolt
counterclockwise), saving all the mounting
hardware.
5. Install the new blade (turn the blade bolt clockwise)
and all mounting hardware
Important: Position the curved ends of the blade
to point toward the machine housing.
Figure 30
14).
(Figure
31).
Figure 31
6. Use a torque wrench to tighten the blade bolt to 82
N-m (60 ft-lb).
Important: A bolt torqued to 82 N-m (60 ft-lb) is
very tight. While holding the blade with a block
of wood, put your weight behind the ratchet or
wrench and tighten the bolt securely. This bolt is
very difficult to overtighten.
Adjusting the Self-Propel Drive
Cable (Self-propel model only)
Whenever you install a new self-propel cable or if the
self-propel drive is out of adjustment, adjust the self-propel
drive cable.
1. Loosen the cable-support nut
1. 25 to 38 mm (1 to 1-1/2
inches)
2. Self-propel drive bar
3. Cable jacket
2. Hold the self-propel bail 25 to 38 mm (1 to 1-1/2
inches) from the handle
3. Pull down the cable jacket (toward the machine) until
there is no slack in the cable
4. Tighten the nut on the cable support.
5. Release the self-propel drive bar and ensure that the
cable is loose.
Note: The cable must be loose with the self-propel
drive bar in the released position; otherwise, the
machine may creep when you disengage the bar.
17
(Figure
32).
Figure 32
4. Cable-support nut
5. Cable support
(Figure
32).
(Figure
32).
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