Page F-4
SPEED CONTROL - ALL CABLES
Repair and Service Manual
Read all of Section B and this section before attempting any procedure. Pay particular attention to all Notes, Cautions and Warnings.
B
Micro Switch Adjustment
When the system is in correct adjustment, the micro
switch in the accelerator pedal box will click when the
top of the accelerator pedal moves approximately 1/2" -
5/8" (13 - 16 mm). The accelerator cable (as seen at the
rear axle) should have some slack present and not show
any movement until after the micro switch clicks.
To access the micro switch, remove the rocker panel, lift
the floor mat and remove the access cover from the floor
(Ref. Fig. 4 on Page F-4). Remove the screws (5) and
cover (6) from the pedal box.(Ref. Fig. 5 on Page F-5)
Fig. 4 Access to Pedal Box
Loosen the setscrew (7) in cam (8) using an 1/8" Allen
wrench. Loosen the jam nut (10) and move the cam to
adjust as needed .(Ref. Fig. 5 on Page F-5). Adjust to
permit 1/2" - 5/8" (13 - 16 mm) of accelerator pedal
travel before the micro switch (9) clicks. Measure the
distance at the top of the pedal with the pedal arm con-
tacting the pedal bracket. Making sure the setscrew in
the cam does not contact the micro switch actuator,
tighten the setscrew to 45 - 55 in. lbs. (5 - 6 Nm) torque.
Tighten jam nut (10) to 10 - 11 ft. lbs (14 - 15 Nm)
torque.
Be sure the accelerator pedal moves smoothly and the
accelerator cable (11) pulls smoothly on the governor
arm (12) .(Ref. Fig. 5 on Page F-5)
Replace the cover on the pedal box. Tap lightly to set the
cover before installing screws. Replace the access
cover on the floor. Replace floormat and rocker panel
GOVERNOR COMPRESSION SPRING
ADJUSTMENT
If the governor requires service, the service must be per-
formed by an authorized service Branch or Distributor.
Tampering with or adjusting the governor to permit the
vehicle to operate at above the factory governed speed
as specified in GENERAL SPECIFICATIONS will void the
warranty.
Hold the accelerator cable when removing/adjusting the
compression spring lock nut. Failure to hold cable will
cause the accelerator cable to twist which may cause pre-
mature failure.
Pre-adjust the governor compression spring (13) by
rotating the nut (14) until a dimension of 2 1/2" (63.5
mm) is achieved between the back of the accelerator
cable bushing (15) and the outside of the cup washer
(16).
Tighten the nut (14). This dimension is a pre-adjustment
and may be further adjusted after the road test.
Road Test
Install the negative (-) battery cable.
Test drive the vehicle and confirm that the compression
spring adjustment results in the maximum governed
speed specified in the GENERAL SPECIFICATIONS
section. Determine speed by measuring the time it takes
to travel a known set distance with vehicle at maximum
speed. Enter time and distance into this formula to cal-
culate speed:
Rate (in MPH) = (Distance in feet / 5280)
/ (Time in seconds / 3600)
or
Rate (in KPH) = (Dis-
tance in meters / 1000) / (Time in seconds / 3600)
. For
example: (300 ft. / 5280) / (13.6 sec. / 3600) = 15 MPH
or (100 m / 1000) / (15 sec. / 3600) = 24 KPH. If the
speed is not within the specified speed range, stop the
vehicle and adjust the governor compression spring as
described in procedure above.
Repeat the test and adjustment until the factory recom-
mended governed speed is achieved. Tightening the
spring results in a speed increase while loosening it will
result in a speed decrease.
Rocker Panel
Floor Mat
Access Cover
Pedal Box
PA
ARK