GB - 20
DISCHARGE CHUTE
If discharge chute does not stay in position
while operating, tighten nut on carriage bolt at
pivot point to increase tension on spring
(Figure 17).
SPEED SELECTOR
ADJUSTMENT
To adjust (Figure 18):
1. Disconnect adjustment pivot pin from
speed selector arm. Save hardware for
reinstallation.
2. Place the speed selector on dash panel
in the fastest forward speed position.
3. Turn the speed selector arm straight
down towards the ground as far as it will
go.
4. Thread the adjustment pivot pin along
the shift rod until it aligns with the mating
hole on the speed selector arm, and
then turn it up the shift rod 3 turns. Insert
the pivot pin into hole.
5. Connect the pivot pin to the speed
selector arm with the hardware removed
in step 1.
6. Check forward and reverse speeds:
a. Start unit.
b. Shift speed selector into the first
forward speed.
c. Engage the traction clutch. Unit
should move forward.
d. Stop unit.
e. Shift speed selector into first
reverse speed.
f. Engage the traction clutch. Unit
should move backward.
g. Shut off unit.
7. Adjust pivot pin on the shift rod as
necessary so unit travels forward when
speed selector is in first forward position
and travels backward when speed
selector is in first reverse position.
8. Connect the pivot pin to the speed
selector arm with the hardware removed
in step 1.
NOTE: If first forward speed is too fast,
disconnect adjustment pivot pin from speed
selector arm. Rotate pivot pin to move it up
the shift rod a maximum of two turns and
reconnect pivot pin to speed selector arm.
ATTACHMENT DRIVE BELT
REPLACEMENT
Remove Attachment Drive Belt
(Figures 19, 20 and 21)
1. Shut off engine, remove key, disconnect
spark plug wire and allow unit to cool
completely.
2. Remove two screws securing belt cover
to unit and remove belt cover.
3. Remove spring pin from chute crank and
separate.
Figure 17
OS7177
1. Spring
2. Nut
1
2
1
2
Figure 18
1. Shift Rod
2. Adjustment Pivot Pin
3. Speed Selector Arm
4. Hairpin
2
4
1
3
OS8060
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