Simplicity Regent Series Repair Information page 28

Section 6.
(Continued)
Lawn Tractors with Eaton 751 Hydrostatic Transaxle
Neutral Adjustment
1. Park tractor on level surface. Shut off PTO switch and
engine and remove key. Do not apply parking brake.
Make sure transmission control lever is in neutral.
2. Raise rear of tractor off ground with a suitable hoist
or floor jack. Install jackstands underneath transaxle
and block front wheels.
3. Loosen nuts (A, figure 6-6) on both left side and right
side of speed control lever (B). (Left side nut is located
next to spring and not shown in illustration.)
4. Rotate shift cam (D) so that neutral detent is aligned
with roller ball (E).
5. Start engine and increase to full throttle. If wheels
rotate, continue with adjustment. If wheels do not
rotate, go to step 9.
6. Loosen nut (C) securing ball retainer (G) to plastic
support bracket (H).
7. Place a 1/4" rod or #2 Phillips screwdriver into hole
(F) in eccentric ball retainer (G). Rotate ball retainer
downward (from RH side) until wheels rotate
forward. Rotate ball retainer slowly upward from RH
side) until wheels stop moving. (Neutral must be
obtained coming from forward.)
8. Tighten nut (C) securing ball retainer (G).
9. Shut off engine and make sure dash transmission
control lever is in neutral position against rear edge of
neutral slot in dash.
10. Pull right end of speed control lever (B) fully forward.
Tighten the left side 1/4" nut (not shown).
11. Push the right end of speed control lever (B) fully
rearward and tighten right side 5/16" nut (A).
12. Start the engine and run at full throttle. Check for
neutral by moving control lever into forward and
reverse and back into neutral gate. Control lever can
be moved a small amount forward or backward in
neutral gate to avoid tractor movement. Continue
with adjustment if neutral cannot be obtained.
13. Shut off engine. Loosen 1/4" nut at LH end of speed
control lever. Pull speed control lever toward right
with transmission control lever against rear edge of
neutral slot in dash. Retighten 1/4" nut.
14. Repeat step 12.
15. Shut off engine. Loosen 1/4" nut at LH end of speed
control lever. Position transmission control lever out
of neutral slot toward reverse to the point where
notched
out portion of lever is even with rear edge of neutral
slot. Pull speed control lever toward right.
Retighten 1/4" nut.
16. Repeat step 12.
17. Return-To-Neutral Adjustment is correct when the
above adjustment steps are followed.
18. Remove the tractor from jackstands.
Figure 6-6. Neutral Adjustment
A. Nut
B. Speed Control Lever
C. Nut
D. Shift Cam
E. Roller Ball
F. Adjustment Hole
G. Eccentric Ball Retainer
H. Support Bracket
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