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INSTRUCTION
BOOK
47
FORD MODEL AA l,½ TON TRUCK
General lnstru,ctions
The care and general operating
instructions
pertaining
to
the car also apply to the truck with the exception that a new
truck should not be driven faster than 20 to 25 miles per hour
for the first 500 miles. Front tires should be inflated to 75 pounds
pressure rear tires 85 pounds. The pressures should be checked
every week.
Dual High
The dual high transmission
,
which is optional
equipment,
gives the truck 47
%
more pulling power. It is operated
by a
double end shift pedal which extends through the floor boards.
Pressing down on the rear pedal engages the dual high. Pressing
down on the front pedal disengages it. (See Fig. 31.)
This shift is entirely
independent
of the standard
·trans
-
mission gear shift and can be made at any speed in which the
truck is being driven whether high, second, low or reverse.
Engaging the Dual High
To engage the dual high remove your foot from the acceler-
ator. Disengage
the clutch, then press down on the rear dual
high clutch pedal. As soon as the dual high is engaged, reen-
gage the clutch and press down on the accelerator
until the de-
sired driving speed is obtained.
Disengaging
the Dual High
To disengage
the dual high remove
your foot from the
accelerator.
Disengage
the
clutch
and
press down on the
front dual high clutch pedal.
As soon as the
dual high is
disengaged,
reengage the clutch and press down on the accel-
erator until the desired driving speed is obtained.
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