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FUEL SYSTEM-THROTTLE
LINKAGE
14-69
PART
8
THROTTLE LINKAGE ADJUSTMENT
AUTOMATIC TRANSMISSION (Fig. 1)
(Model
AP-2 with
378-383
or
426
Cu.
In.
Eng.l
(1) Apply a thin film of multi-purpose grease on
both ends of the accelerator shaft [l] where
it
turns
in the bracket, nylon roller
121
where it contacts the
pedal, pivot points of both upper [8] and lower [9] trans-
mission linkage bellcranks, also the clipped ends of
transmission linkage bearings areas
[
101
[
1 1 3 .
(2) Disconnect the return spring and slotted trans-
mission rod [6] from the carburetor lever pin. Discon-
nect the transmission intermediate rod ball socket [7]
from the upper bellcrank ball end.
(3) Disconnect choke [3] at carburetor or block
choke valve in full open position. Open throttle slight-
ly to release fast idle cam, then return carburetor to
curb idle.
(4) With a
3 / 1 a
inch diameter rod [12] placed in the
holes provided in the upper engine mounted bell-
crank and lever [8], adjust the length of the intermedi-
ate transmission rod [13] by means of the threaded ad-
justment at the upper end. The ball socket [7] must
line up with the ball end with the rod held upward
against the transmission stop [14].
( 5 )
Assemble ball socket [7] to ball end and remove
inch rod [12] from upper bellcrank and lever.
(6) Hold the carburetor rod [15] forward against the
transmission stop [14] and adjust its length by means
of the threaded adjustment
so
that the rear end of
the slot in the adjusting link [6] just contacts the car-
buretor lever pin.
(7) Lengthen the carburetor rod [15] two full turns
by turning the slotted link [6].
(8) Assemble slotted link [6] to the carburetor.
(9) Loosen the cable clamp nut [4], then-adjust the
position of the cable housing ferrule [5] in the clamp
so
that all slack is removed from the cable with the
carburetor at curb idle. To remove slack from the
cable, move the ferrule
[5j
in the clamp in the direc-
tion away from the carburetor lever.
(10) Back off ferrule [5] r/4 inch. This provides
Y,
inch cable slack at idle. Tighten cable clamp nut [4].
(11) Route cable
so it
does not interfere with the
carburetor rod [15] or upper bellcrank [8] throughout
full throttle linkage travel.
(12) Connect choke rod [3] or remove blocking fix-
ture.
M A N U A L TRANSMISSION (Fig. 1)
(Model
AP-2 with
378-383
or
426
Cu.
In.
Eng.1
(1) Apply a thin film of multi-purpose grease on
both ends of the accelerator shaft [l] where
it
turns in
the bracket, and nylon roller [2] where
it
contacts the
pedal.
NK330
Fig. 2--Throttle
Linkage Adjustment (Model AR-2 with 361 -383 or 426 Cu. In. EngJ
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