Controls System Maintenance; Adjusting The Throttle - Toro Groundsmaster 3500-D Operator's Manual

Replacing the Hydrostat-Drive Belt
1. Insert a nut driver or small piece of tubing onto
the end of the belt-tensioning spring.
CAUTION
The spring that tensions the belt is under
a heavy load, and releasing the tension of
the spring improperly may cause injury.
Use care when de-tensioning the spring
and replacing the belt.
2. Push down and forward on the spring end to
unhook it from the bracket and release tension
on the spring (Figure
Figure 60
1. Spring end
3. Replace the belt.
4. Reverse this procedure to tension the spring.
60).
2. Hydrostat-drive belt
Controls System
Maintenance

Adjusting the Throttle

1. Position the throttle lever rearward so that it
stops against the control-panel slot.
2. Loosen the throttle-cable connector on the
injection-pump-lever arm
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1. Injection-pump-lever arm
3. Hold the injection-pump-lever arm against the
low-idle stop and tighten the cable connector.
4. Loosen the screws securing the throttle control
to the control panel.
5. Push the throttle-control lever completely
forward.
6. Slide the stop plate until it contacts the throttle
lever and tighten the screws securing the throttle
control to the control panel.
7. If the throttle does not stay in position during
operation, torque the locknut, used to set the
friction device on the throttle lever, to 5 to 6 N∙m
(40 to 55 in-lb).
Note:
The maximum force required to operate
the throttle lever should be 27 N∙m (20 in-lb).
49
(Figure 61).
Figure 61
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