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Note: You can place a ruler against the upper side of
the black cable mount and measure how far the upper
end of the cable jacket moves
1. Cable mount
Note: Moving the cable jacket upward decreases the
ground speed; moving the jacket downward increases
the ground speed.
5. Tighten the nut firmly.
6. Start the machine and check the adjustment.
Note: If the self-propel drive is not properly adjusted,
repeat this procedure.
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.
WARNING
The blade is sharp; contacting the blade can result
in serious personal injury.
• Disconnect the wire from the spark plug.
• Wear gloves when servicing the blade.
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.
(Figure
24).
Figure 24
2. Cable jacket
12).
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.
6. Use a torque wrench to tighten the blade bolt to
60 ft-lb (82 N-m).
Important: A bolt torqued to 60 ft-lb (82 N-m) 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.
15
(Figure
25).
Figure 25
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