Cub Cadet 421R Operator's Manual page 6

Single stage snow thrower
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Lift the control handle up, and hook the "Z" end of
the control cable into the bottom hole in the control
handle, from the outside to the inside . If necessary,
pull up on the end of the cable with a pair of pliers to
obtain slack in order to hook it into the control
handle. Hold the "Z" fitting with the pliers, not the
cable, to avoid damaging the cable.
NOTE: The upper hole in the control handle provides
for adjustment in belt tension. Refer to page 9 of this
manual for instructions.
Installing Chute Crank
Thread one 5/16" hex nut all the way onto the
eyebolt. See Figure 5. All necessary hardware is
included in the hardware pack shipped with your
unit. See Figure 2 for more details.
Slide the eyebolt onto the chute crank. Insert
eyebolt into the hole in the lower handle.
Hex
Nuts
Figure 5
Insert the chute crank into the coupler at the top
right side of the snow thrower. See Figure 6.
Rotate the crank to align holes, and insert the cotter
pin. Bend ends of cotter pin in opposite directions to
secure. See Figure 6.
Cotter Pin
Coupler
Figure 6
Chute Crank
Eye Bolt
Saddle
Washer
Chute Crank
Secure eyebolt with 5/16" saddle washer and hex
nut. The cupped side of washer goes against the
handle. Adjust lower hex nut until the eyebolt is
positioned so that the chute crank turns freely
(does not bind).
Move upper hex nut down against the lower handle.
Tighten lower hex nut securely.
Assembling Discharge Chute
The snow thrower has been shipped with the upper
chute pivoted all the way down. Assemble as follows:
Turn the chute crank until the chute faces straight
to the front. See Figure 7.
Hand
Knob
Front
Upper
Chute
Remove the hand knob, flat washer and carriage
bolt from the upper chute. See Figure 7.
Pivot the upper chute up so that there is no gap
between the upper and the lower chute. See Figure
8. Secure with hardware just removed.
Pivot
upper
chute
6
Flat
Washer
Carriage
Bolt
Figure 7
No
Gap
Figure 8

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