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Adjusting the Self-Propel
Drive
If the machine is new, does not self-propel, or it tends
to creep forward, adjust the drive cable.
1.
Move the machine outside and onto a paved
surface near a solid wall to safely prevent the
machine from moving forward while the engine
is running.
2.
Position the machine with the front tires against
the wall.
Note:
Ensure that the area is well ventilated
and clear of debris that could be thrown by the
machine.
3.
Shift the transmission to third gear.
4.
Start the engine; refer to
(page
16).
5.
Pull the self-propel-drive bar to the handle.
Note:
The wheels should start to turn as the
self-propel-drive bar just touches the handle.
6.
Shut off the engine.
7.
If you must adjust the machine, do the following:
•
If the wheels do not spin when you engage
the self-propel-drive bar, the traction belt is
too loose. Rotate the wheel-drive-control
knob
(Figure
steps
4
through 6.
Figure 27
1. Wheel-drive-control knob
•
If the wheels spin before you fully engage
the self-propel-drive bar, the traction belt
is too tight. Rotate the wheel-drive-control
knob
(Figure
and repeat steps
8.
For a new traction belt, rotate the
drive-cable-adjustment knob clockwise 1
additional turn to allow for the normal stretching
of the belt during the break-in period.
Note:
You can skip this step if you are adjusting
a used belt.
Starting the Engine
27) clockwise 1 turn and repeat
27) counterclockwise 1 turn
4
through 6.
Maintaining the Blade
Always mow with a sharp blade. A sharp blade cuts
cleanly and without tearing or shredding the grass
blades.
1.
Shut off the engine and wait for all moving parts
to stop.
2.
Disconnect the wire from the spark plug.
3.
Close the fuel valve by moving the fuel-valve
lever to the left
4.
Drain the fuel from the fuel tank.
5.
Tip the machine onto its right side (air cleaner
up) as shown in
1. Blade
2. Blade nuts
Inspecting the Blade
Service Interval: Before each use or daily—Inspect
Carefully examine the blade for sharpness and wear,
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especially where the flat and the curved parts meet
(Figure
29A). Because sand and abrasive material
can wear away the metal that connects the flat and
curved parts of the blade, check the blade before
using the machine. If you notice a slot or wear
29B and
Figure
Removing the Blade (page
26
(Figure
15).
Figure
28.
Figure 28
3. Accelerator
the mower blades for wear or
damage.
29C), replace the blade; refer to
27).
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(Figure
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