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Pontiac firebird 1968 - Centering Spring Adjustment

Pontiac firebird 1968
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15-1
ACCESSORIES
CONTENTS
OF
THIS
SECTION
SUBJECT
PAGE
SUBJECT
PAGE
Cruise Control . 15-1
Chain
Linkage Adjustment
.........
15-1
Release
Switch Adjustment 15-1
Centering Spring Adjustment 15-1
Cable and Gear Check 15-6
Regulator Removal 15-6
Regulator Overhaul 15-7
Clock
15-9
Safeguard
Speedometer
15-10
Auxiliary
Gauges
15-11
Hood
Mounted Tachometer 15-12
Instrument Panel Tachometer 15-12
Electric
Deck Lid
Release
15-13
Vacuum
Door Locks . 15-15
Rear
Window
Defogger . . . . 15-15
Console . 15-16
Radio and Front
Speaker
15-23
Manual
Antenna . . 15-29
Electric
Antenna . 15-29
Reverberation 15-33
Stereo-Radio 15-35
Stereo
Tape Player . 15-41
Multiplex-Tape
Player Switch
........
15-46
Stereo
Rear
Speakers
15-46
Rear
Seat
Speaker
. . . 15-46
CRUISE
CONTROL
CHAIN
LINKAGE
ADJUSTMENT
1.
Start engine and set carburetor to hot
idle
position.
2.
Thread bead chain
thru
hole in carburetor lever
extension (Fig. 15-1).
3. Adjust bead chain (at extension) to provide
min-
imum
chain slack and
assemble
clip
to extension by
straddling
extension.
4.
A
minimum
of two
beads
must extend outside
of
clip
after adjustment of chain and installation of
clip.
Cut off
excess
chain.
BRAKE
RELEASE
SWITCH
ADJUSTMENT
(Fig.
15-2)
PONTIAC
AND
TEMPEST
Apply
brake pedal and push both switches
forward
as far as possible.
Pull
pedal
forcibly
rearward to
adjust switches.
FIREBIRD
While
holding brake pedal rearward, adjust
switches so that plungers are
fully
depressed
against
arm.
CENTERING
SPRING
ADJUSTMENT
(Fig.
15-3)
1.
If Cruise Control holds
speed
three or more
mph
higher than selected
speed,
turn
centering spring
adjusting
screw (C) clockwise 1/8"
turn
or
less.
2.
If Cruise Control holds
speed
three or more
mph
below selected
speed,
turn
centering spring ad-
justing
screw (C) counterclockwise 1/8"
turn
or
less.
CA
UTION:
Do not
move
adjustment
screw (R).
See
below
under
Disassembly.
VACUUM
SOURCE
VACUUM
TO
SERVO
\
J
mm
CENTERING
SPRING
ADJUSTMENT
SCREW
Fig.
15-3
Adjustment
Screw
Identification

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