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MAINTENANCE
HOW TO ADJUST THE BLADE ROTATION CONTROL
A
ARNING: To prevent an injury, the blade rotation
control must operate correctly.
In normal usage, the blade rotation control will not require an
adjustment. However, if the cutting performance decreases or the
quality of cut is poor, make the following changes.
1.
When you mow, make sure the throttlecontrolin in the FAST
position.
2.
Move the blade rotation control to the DISENGAGE position
(Figure 17).
3.
Stop the engine. Disconnect t he wire fromthe spark plug,
6.
Attach the wire to the spark plug. Mow for a short distance and
again check the quality of cut. If necessary, move the blade
drive spring to the bottom hole.
7,
Again check the quality of cut. If the quality of cut has not im-
proved, replace the mower drive belt. See =How To Replace
The Mower Drive Belt". If replacing the belt does not correct the
problem, take the unit to an authorized service center.
8.
Move the blade rotation control
to the DISENGAGE posi-
tion. Stop the engine. Disconnect the wire from the spark plug.
Checkthe operation of the blade brake. Rotate the pulleys with
your hand. Make sure the brake pads are pressed tightly
against the pulleys (Figure 19).
4,
Engage Pos_on
Figure 17
Check the blade(s). Keep a sharp edge on the blade(s). A blade
that is not sharp will cause the tips of the grass to become
brown.
A
WARNING:
If the brake pads do not press tightly
against the pulleys, take the unit to an authorized
service center.
Blade Brake
(Pad Against Pulley)
F_ure 19
5.
F- 98895
Disconnect the blade drive spring from the blade control
rod. Move
the blade
drive spring
to the middle hole
(Figure 18). This will increase the tension on the mower drive
belt.
DISENGAGE POSITION
Blade
Top Hole(New Belt)
ControlRod
MiddleHole
mHole
Blade DriveSpring
Figure18
9,
10,
11,
12.
22
Move the blade rotation control to the ENGAGE position.
Check the pads forthe blade brake. If the pads are excessively
worn or damaged, replace the brake pad assemblies. Correct
replacement parts and assistance are available from an autho-
rized service center.
Attach the wire to the spark plug. Mow for a short distance and
again check the operation of the blade rotation control.
When
you
move
the
blade
rotation
control
to the
DISENGAGE position, all movement will stop within five se-
conds. If there is movement of the belt or the blades continue
to rotate, engage and disengage the blade rotation control
five times to remove any excess rubber from a new mower
drive belt. If you need assistance, take the unit to an autho-
rized service center.
If you replace the mower drive belt, move the blade drive
spring to the top hole (Figure 18).
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