Husqvarna HUV4420, Руководство по обслуживанию

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ACCELERATOR AND BRAKE PEDAL ASSEMBLIES Accelerator Pedal
Page 6-2 2005 HUV4420 Gasoline and HUV4420-D Diesel Vehicle Maintenance and Service Manual
6
ACCELERATOR PEDAL INSTALLATION
1. Twist the accelerator pedal assembly to return the pedal assembly into the frame location.
2. Position pedal between the frame members.
3. Secure the pedal assembly to the upper and lower frame member with bolts and lock nuts.
4. Tighten hardware to 15 ft-lb (20.3 N·m).
5. Attach accelerator cable Z-shaped end to hole in pedal.
6. Adjust the accelerator pedal. See Accelerator Pedal and RPM Adjustment on page 6-2.
ACCELERATOR PEDAL AND RPM ADJUSTMENT
1. Turn the key switch OFF, and place the Forward/Reverse handle in the NEUTRAL position. Chock the
front and rear wheels.
2. Adjust the ground speed set screw to 3/4 inches (19 mm) as shown (Figure 6-3, Page 6-2) .
3. Turn the key switch to start the engine. See following DANGER.
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DANGER
• The engine produces carbon monoxide, which is an odorless, deadly poison. Do not operate
the engine in an enclosed area without proper ventilation.
4. Press the accelerator pedal and allow the engine to achieve full, steady level RPM. See following
NOTE.
NOTE: This process should only take a few seconds.
5. Measure the engine RPM with a tachometer approved for this engine (Husqvarna 603 00 19-22).
6. Release the accelerator pedal, turn the key switch to the OFF position, and remove the key.
7. Adjust the ground speed set screw against the spring to achieve proper RPM.
7.1. Turn the ground speed set screw clockwise (tightening the spring) to decrease the RPM.
7.2. Turn the ground speed set screw counterclockwise (loosening the spring) to increase the RPM.
See following NOTE.
Figure 6-2 Accelerator Pedal Assembly Figure 6-3 Ground Speed Set Screw Adjustment
3/4 INCH
(19 MM)