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16
SPEED SELECTOR PIVOT ADJUST-
MENT
The Speed Selector is factory set for optimal perfor-
mance at each forward and reverse speed setting.
However, if speed position 1 is too slow, the speed can
be increased by changing the pivot position one turn. Do
not turn pivot more than one turn - increasing forward
speed using this method reduces reverse speed by a like
amount, and inadequate reverse speeds will result.
Adjust as follows:
1. Loosen pivot jam nut to permit pivot adjustment
(Figure 17).
2. Pull hitch clip pin out of pivot and remove washer.
3. Looking at end of threaded Speed Selector shaft, turn
pivot one turn counter-clockwise.
4. Reassemble pivot to control arm and secure with
washer and hitch clip pin.
5. Tighten jam nut.
6. Check speed position 1 for adequate speed. If unit
still moves too slowly, return pivot to original position
and use speed position 2 as a starting speed in place
Figure 17. Speed Selector Pivot Adjustment
Service
Hitch Clip Pin
Pivot
Jam Nut
Speed
Selector
TRACTION DRIVE CLUTCH ROD
ADJUSTMENT
Initial Adjustment
The traction drive clutch rod should initially be adjusted
so that there is no slack in the rod when moved slightly
from side to side, but bellcrank arm remains in fully down
position. To adjust tension on the rod:
1. Loosen adjustment hex nuts (Figure 18).
2. Tighten top hex nut while holding rod. Tighten just
until slack in rod is removed.
3. Tighten lower hex nut securely.
Figure 18. Traction Drive Clutch Rod Adjustment
Traction Drive
Clutch Rod
Traction Drive
Clutch Rod Spring
Adjustment
Hex Nuts
Traction Drive
Bellcrank Arm
Run-In Adjustment
1. After 5 hours of use, check for proper adjustment.
Readjust clutch rod if necessary by increasing ten-
sion on rod. A small amount of bellcrank arm move-
ment is permissible if unit passes operating checks
described in the Caution at left. Optimal adjustment
provides 1/32" clearance between traction drive
disc and rubber ring on friction disc when drive
lever is released (see Figure 14).
CAUTION
Do not over-tighten, as this may cause traction drive
to engage without depressing the traction Drive
Control (bellcrank arm must remain in down position).
Verify that the rods are not overtightened: With Speed
Selector in position 1 and traction Drive Control fully
released, push snowthrower forward. The unit should
move forward freely.
If unit does not move forward freely, the rod has
been over-tightened. To remedy, loosen tension on
clutch rod slightly, and recheck.