Simplicity LTH Series Service Manual

4 - 7
4 Adjustments
Neutral Adjustment - Eaton
NEUTRAL ADJUSTMENT
Broadmoor (Eaton 751 Hydrostatic
Transaxle)
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 and has activated neutral.
2. Raise the rear of tractor off the ground . See
Elevating Rear End for Safe Service.
3. Loosen nuts (A, Figure 7) on both left side and right
side of speed control lever (B). (Left side nut is locat-
ed 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) which secures the ball retainer (G) to
the 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 (looking from right hand side) until wheels
rotate forward. Rotate ball retainer slowly upward
(from right hand side) until wheels stop moving.
NOTE: Neutral must be obtained coming from forward.
8. Tighten nut (C) securing b all 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 the 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 the 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 adjustments if neutral cannot be obtained.
Figure 7.
A. Nut
B. Speed Control Lever
C. Nut
D. Shift Cam
E. Roller Ball
F. Adjustment Hole
G. Eccentric Ball Retainer
H. Support Bracket
13. Shut off engine. Loosen 1/4” nut at left hand 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.
14. Repeat step 12.
15. Shut off engine. Loosen 1/4” nut at left hand 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 unit from the jackstands.

Simplicity LTH Series Specifications

General

Brand	Simplicity
Model	LTH Series
Category	Lawn Mower
Language	English