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 Section IX. TRANSMISSION
a. Shift lever travel in both directions should
a. General. The creeper pedal is connected to
be equal distance from the spring plunger as-
the creeper control plunger through a series of
sembly located in the steering column upper
levers and linkage. This linkage is quite sensi-
bracket. A notch in the shift lever stop bracket,
tive in its creeper pedal actions, therefore ac-
is provided for neutral position of the lever.
curate adjustments are required for best effi-
ciency and operation of the truck during creep-
b. Remove cotter pin and clevis pin, then
ing. A control cable is connected between the
disconnect the rod assembly at control valve
creeper pedal and the brake pedal and is used
plunger.
to apply partial breaking effort during creeping
c. With control valve forward and reverse
pedal actuation. It is necessary that the move-
plunger and shift lever in neutral position, ad-
ment of the creeper plunger closely follow the
just by loosening locknut, then turn clevis in
movement of the pedal, due to the nature of this
either direction as necessary to lengthen or
control mechanism. A binding or sticking con-
shorten rod assembly to fit between plunger
dition in the linkage that results in an abrupt
and clevis eye.
movement of the plunger in the valve body,
causes the truck to lurch and gives difficulty in
d. When length has been determined, install
controlling the truck speed during creeping.
clevis pin and secure with cotter pin.
The linkage should be lubricated with OE en-
gine oil at each pivot point during assembly and
none of the linkage should be painted. The
a. Removal.
linkage return spring preloads the linkage to
take up the initial clearances at each pivot, and
(1) Disconnect inlet tubing at elbows in
any increase in clearance due to wear.
side and bottom of transmission case.
(2) Unscrew and remove elbow at bottom
of transmission case.
as follows:
(3) Unscrew and remove element.
(1 ) Remove cotter pin, then disconnect the
b. Cleaning. Clean with SD.
upper lever from the creeper lever
support mounted on the transmission.
c. Installation. Reverse procedure in a above.
AGO 6217A
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