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Adjusting the Accelerator
Service Interval: Every 200 hours
1.
Park the machine on a level surface, engage the
parking brake, shut off the engine, and remove
the key.
2.
With the return spring installed, hold the engine
governor arm toward the operator's side of the
machine and adjust the low-idle stop to obtain a
0.25 to 1.25 mm (0.01 to 0.05 inch) gap between
the outside diameter of the hole in the throttle
lever and the inside of the governor-spring hook
(Figure
60).
Figure 60
1. Return spring
2. Engine-governor arm
3. Low-idle stop
4. Throttle lever
WARNING
The engine must be running so that you
can perform the final adjustment of the
accelerator. Running the engine while
performing maintenance on the machine
may cause injury.
To guard against possible personal
injury, engage the parking brake and
keep your hands, feet, face, and other
parts of your body away from any moving
parts.
3.
Start the engine and allow it to warm up to
normal operating temperature. Verify the low
idle setting of 1100 to 1300 rpm.
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5. Governor spring
6. High-idle stop
7. Ball joint
4.
Adjust the high-idle stop to obtain 3550 to 3650
rpm when the throttle lever contacts the stop.
5.
Shut off the engine.
6.
Adjust the ball joint on the accelerator cable
and/or cable jam nuts while the throttle lever is
against the high-idle stop to allow 2.54 to 6.35
mm (0.100 to 0.250 inch) of clearance between
the accelerator pedal arm and the top of the
diamond tread floor plate, when you apply 11.3
kg (25 lb) of force to the center of the pedal
(Figure
61). Tighten the locknut.
Note:
The engine must not be running and the
return spring must be attached.
1. 2.54 to 6.35 mm (0.100 to 0.250 inch) clearance
Adjusting the Choke
1.
Raise the bed and position the safety support on
the extended-lift cylinder to secure the bed.
2.
Shut off the engine and engage the parking
brake.
3.
Loosen the cable-clamp screw securing the
cable to the engine.
4.
Push the choke knob to the O
5.
Push the choke cable firmly toward the
operator's side of the machine and tighten the
cable-clamp screw.
52
Figure 61
position.
FF
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