Simplicity 7100 Series Operator's Manual page 33

4. Hydrostatic Neutral Adjustment. If the
tractor creeps forward or back when the
hydrostatic control lever is in neutral,
adjust as follows.
CAUTION
Always stop engine before leaving
operator's position. Do not perform
adjustment with engine running.
a. Park tractor on level ground, make
sure hydrostatic control lever is firm¬
ly seated in the neutral notch of
quadrant, stop engine and set park¬
ing brake.
b. Raise the seat deck and check if the
pump control arm roller (E, figure
23) is exactly centered with the cen¬
tering mark (D). If not, loosen bolt
(C) and move the control cam (B)
until centering mark (D) is centered
on roller (E). Tighten the bolt (C).
Adjustments
c. Lower the seat deck, get in opera¬
tor's
tor's seat, start engine and release
parking brake. If tractor still creeps
with hydrostatic control lever in
neutral, note which direction it creeps
and proceed with next steps.
d. Stop the engine, set parking brake,
and raise seat deck. Loosen the jam
nut (H) on end of cam pivot shaft
(G). If tractor creep had been in
reverse turn adjusting nut (I) 1/8 to
1/4 turn clockwise when viewed
from right side of tractor. If tractor
creep had been forward, turn nut
1/8 to 1/4 turn counterclockwise.
Lock jam nut, lower seat deck, get in
operator's seat, start engine, and
release parking brake. If tractor still
creeps, repeat step "d" turning nut
(1) a little at a time until no creep
occurs.
A. Control Strap
B. Control Cam Assy.
C. Bolt
D. Centering Mark
E. Pump Control Arm Roller
F. Pump Control Arm
G. Cam Pivot Shaft
H. Jam Nut
I. Adjusting Nut
Figure 23. Hydrostatic Neutral
Adjustment
31