Simplicity Regent Series Repair Information page 12

Neutral adjustments for hydrostatic drive tractors
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Section 1.
(Continued)
Commercial Front-Cut Rider with Dual Eaton Model 7 Hydrostatic
Neutral
Exact neutral position of transmission control
linkage (A, figure 1-5) can be adjusted by changing
position of linkage on frame bracket (B). With
control levers in neutral position, wheels should not
turn in forward or reverse direction. To adjust
neutral:
1. Block frame up so both drive wheels are off the
ground.
2. Place weight in operator's seat to start engine.
3. With control levers in neutral gate, start engine
and leave in fast throttle position. If either wheel
turns in forward or reverse direction, perform
steps 4 and 5.
4. Loosen capscrew (C) and nut securing transmis-
sion control linkage (A). Move linkage forward or
backwards until wheel stops moving.
5. Retighten hardware, making sure wheel does not
rotate after hardware is tightened. Repeat steps
for opposite wheel if necessary.
6. Shut engine off and remove weight from seat.
Lower rider to the ground.
Spring-Centered Lever
Control levers should be adjusted so that levers
automatically return to neutral position when
released. Before performing adjustment, make sure
"Control Lever Adjustment" and "Neutral Adjust-
ment" have been performed.
1. Block frame up so both drive wheels are off the
ground.
2. Place weight in operator's seat to start engine. Do
not start engine.
3. Make sure that "Control Lever Adjustments" and
"Neutral Adjustment" are correct (refer to
preceding adjustments).
4. Loosen spring tension completely on friction pad
(refer to following adjustment).
5. Loosen nut (A, figure 1-6) on top of turnbuckle
(B) and adjust turnbuckle up or down.
WARNING
Do not adjust turnbuckle with engine running.
Hydro pump fan is too close to turnbuckle to
safely perform adjustment.
6. Restart engine and check control lever position.
Move control lever forward and backward and
check if lever returns to neutral position and
wheel does not rotate. If wheel rotates forward,
turnbuckle assembly must be lengthened (turn-
buckle will move down). If wheels rotate back-
wards, turnbuckle assembly must be shortened
(turnbuckle will move up).
Figure 1-5.
A. Transmission Control Linkage
B. Frame Bracket
Figure 1-6.
A. Nut
B. Turnbuckle
C. Tension Spring
7. Repeat turnbuckle adjustment until control lever auto-
matically returns to neutral position. Tighten nut (A)
when adjustment is correct.
8. Tighten spring tension on friction pad (refer to following
adjustment).
9. Remove weight from seat and lower rider to the ground.
8
C. Capscrew
D. Stationary Spring
E. Friction Pad

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