Adjustment Procedures - Pontiac TRANS AM 1977 Service Manual

FUEL SYSTEM 6C-13
REMOVE THREE SCREWS A N D REMOVE
INSERT SPECIFIED GAUGE
ICHOKE COIL ASSEMBLY
BETWEEN LOWER EDGE O F
HOKE V A L V E & INSIDE
T A K E SLACK O U T O F
I R HORN W A L L
: H O L D GAUGE VERTICAL
CHOKE DIRECT1
-SCREW TO O B T A I N
I - r
CLEARANCE
@
I N S T A L L CHOKE C O l L
ASSEMBLY AND SET TO SPEC.
@
PUSH INSIDE CHOKE COIL LEVER
CLOCKWISE TO CLOSE CHOKE V A L V E
I
VACUUM BREAK ADJUSTMENT
2
@PLACE GAUGE BETWEEN LOWER
EDGE OF CHOKE V A L V E A N D
INSIDE A I R HORN WALL.
a
REMOVE THREE SCREWS
NOTE: H O L D GAUGE VERTICAL
A N D REMOVE CHOKE
C O l L ASSEMBLY
M
E
@
PLACE CAM FOLLOWER
@
BEND ROD COIL LEVER CLOCKWISE
O N HIGHEST STEP T O ADJUST T O CLOSE CHOKE V A L V E
OF FAST I D L E CAM
@
I N S T A L L CHOKE COIL
ASSEMBLY A N D SET TO SPEC.
SECONDARY VACUUM BREAK ADJUSTMENT
1
CHOKE V A L V E & INSIDE
A I R HORN W A L L
NOTE: H O L D GAUGE VERTIC
-SO T H A T SCREW I S H E L D
AGAINST SECOND H I G H STEP
O F C A M
I
FAST IDLE CAM ADJUSTMENT
Fig. 6 C - 1 9 52 10-C Adjustment Procedures
CARB. NO.
CARB. NO.
-
L U G
iAUGI
-
.250
.275
.300
.275
,300
.275
.300
.275
.275
-
L U G
lAUGl
-
. 4 0 0
-
'LUG
i A U G
-
.085"
.125"
.120"
,150"