Simplicity Regent Series Repair Information page 18

Section 4. (Continued)
Tractors with Tuff Torq K215-A & HydroGear (Sundstrand) Hydrostatic, BDU-21L
Late Models - Early Models with 1686602 kit installed
1. Perform neutral adjustment as follows:
a. Put tractor in Neutral. Make sure tow valve is
securely in the drive (UP) position or adjustment
will not be accurate. Lower the tractor so that left
rear wheel is on the ground.
b. Put weight in seat. Start tractor and run engine at
half-throttle.
Note: After installation of kit parts, hardware at locations
B, C, and E, figure 4-2, must be loose before adjustments
are made.
c. Use 3/4" open end wrench to turn hex adjuster (A,
figure 4-2). Turn until rotation of right axle stops.
Tighten nut.
d. Shut off engine. Apply parking brake. Tighten nut
(C) at bottom of speed control lever (D) and then
tighten nut (B) at top of speed control lever.
e. Disengage parking brake and start tractor. Move
the ground speed control lever from Forward and
Reverse into the Neutral gate.
f. If there is minimal rotation of right rear axle,
slightly loosen nut (E, figure 4-2) on hex adjuster.
Turn hex adjuster just slightly (turn counterclock-
wise to correct forward rotation and turn clockwise
to correct reverse rotation) until axle stops.
If there is more than slight rotation of rear axle,
repeat steps a-d.
g. Move the ground speed control lever from Forward
and Reverse into the Neutral gate by depressing the
brake pedal (return-to-neutral pedal). Check that
the shift control lever drops into the neutral gate on
dash and that there is no rear axle rotation . Note
that slight rearward (counterclockwise) rotation of
axle will stop within a few seconds. This small
amount of rotation will not cause tractor creeping
and does not require adjustment.
h. When adjustment is correct, tighten adjustment nut
(E) to 70-75 in. Ibs.
2. Make sure all hardware is tightened on installed
kit parts.
3. Reinstall rear wheel.
4. Remove jackstands and lower tractor.
5. Start tractor and check operation of shifting linkage
and return-to-neutral. Readjust neutral as required.
*2518
Figure 4-2.
A. Hex Adjuster
B. Top Nut Location
C. Bottom Nut Location
D. Speed Control Lever
E. Nut
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