33
ENGINE MAINTENANCE
Figure 66
1. Alternator/fan Belt
1
Hydrostat Drive Belt Replacement (Fig. 67)
1. Insert a nut driver or small piece of tubing onto end
of belt tensioning spring.
WARNING
Use caution when de-tensioning spring
as it is under heavy load.
2. Push down and forward on spring end to unhook
from bracket and release tension on spring.
3. Replace belt.
4. Reverse procedure to tension spring.
Figure 67
1. Hydrostat Drive Belt
2. Spring end
1
2
ADJUSTING THROTTLE (Fig. 68)
1. Position throttle lever rearward so it stops against
control panel slot.
2. Loosen the throttle cable connector on the lever
arm at the injection pump.
Figure 68
1. Injection Pump Lever Arm
1
3. Hold the injection pump lever arm against the low
idle stop and tighten the cable connector.
4. Loosen screws securing throttle control to control
panel.
5. Push throttle control lever all the way forward.
6. Slide stop plate until it contacts throttle lever and
tighten screws securing throttle control to control
panel.
7. If throttle does not stay in position during
operation, torque the lock nut, used to set the friction
device on the throttle lever, to 40 - 55 in. lb. The
maximum force required to operate the throttle lever
should be 20 lb.
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