Delco Carburetor - newagemetal.com

BULLETIN: 9 D 4 A
RED SECTION
DATE MAY 1983
PAGE I
REPLACES PAGE 1
APRIL 1979
Delco Carburetor
ADJUSTMENT PROCEDURES 2MC.M2MC.E2MC.M2ME.E2ME
(DUAL JET)
NOTE: PERFORM ADJUSTMENTS I N PROPER SEQUENCE
G A Y G S F R O M TOPOF C A S T I N G TO TOP
O i r r o A r - C I U C I N G P O M i 3 1 1 8 BACK
3
0
CilUDiNG POINT
,1:!6 BACL
PROM TOE,
tG*TL"
A C A N S I NEEDLE
AIR HORN SCREW TIGHTENING SEQUENCE
(DUAL JET MODEL 210)
FIG. 2A
-
@ nEMOVEFLO&T AND BENO FLOAT A R M UP OR OOWN 47 NOTCH TO L O I Y S T
O 0 ° C . C I I I B " I 1 E T O I B l i r L O l T L E V E L Y A R l i S O Y E 9 f 1 1 1 6 FROM
SPEClFlCATIONB, l D d U I T F L 0 A T AS FOLLOWS
0
a
AN0 @ 1 ANDPUS* DOWN
LEVEL TO0 MIOH HOLD IIETAINER FlRULY IN PLbCE I
ON CENTE'IOIFLOAiPONTOON10OBTAlnCO~SECTSETilNG
L E Y E L T O O L O W L l F T o Y T METERING RODS REMOVE BDLENOlDCONHECIORSCREW.
TURN LEAN MIXTURE SOLENOLO S C R E W C L o C I W l e L COUNTING NUMBER OF TURNS
U N i l L SCREW IS BOTTOMED LIGHTLY I* FLoiiT B O W L R E C O W DUMBER Rol TURNS
COUNTED TUANSCmLW COUNTERCLOCKWISE A N D REMOVE S C R E W LiFTSOLENOiD
AWDCOHWLC
R ~ UT
O YO
E F LR
O ~ ~F
TA~
NOB
~
E ~O
D F LM
O
AA
RM
T~
U PL
TO O~TBOWL
A D J U S T VISUALLY CHECK FLOAT ALIOHMEWT L I T E R ADJUSTING. REVC'-'
PROCEDURE TO R E - I N S T I L L PLRTS R L U O Y E D . MAKING SURE ESOLEHOIC
SCREW 4
s BACKED O U T O F F L O A T BOWL E X A C i l " THE S A U L NUMBER
COUNTED AT D1S455EUSLI
FLOAT ADJUSTMENT
( M E C H A N I C I L SETTING)
-
4
3
AIR HORN SCREW TIGHTENING SEQUENCEDUALJET MODELS
FIG. 2B
0CIUG.
?.OM
TOSOF C*Ol.
VAIVI
WILL
w x r TO vrnr
I T A C " 10 TOP
or ? " U P I T E M
L E V I * TO
OFSUMS L E Y I I
@."..o.,
LEV..
-8."
S C I I I D I I V I I W*ILI
BlhD1NC L I V E "
O w a o n vrtvrr
~~
C O H I L I T E L " CLYICD
N O T l M L K l SY" FAST IIDU
C A M FOLLOWlR
LlYI"1JOFF
S T r P I ON F A I T IDLE C A W
AIR HORN SCREH I mun I ZNING SEQUENCE
(DUAL JET MODEL 200)
FIG. 2
AP ADJUSTMENT
FIG. 3
BULLETIN: 9D.8A
RED SECTION
DATE: MAY 1983
PAGE: 2
FAST IDLE CAM
HIGHEST STEP
OF FAST lDLE C A M
C I M FOLLOWER
IN TO CONTaCT LEVER
THFN SCREW I N
SPECIFIED NUMBER OF
TURNS TO ADJUSTISET NOTE1
CON0 STEP OF CAW
THROTTLEY*LVEJ*RE
CLOSED
FAST IDLE ADJUSTMENT (BENCH)
FIG. 4
FAST IDLE CAM (CHOKE ROD)
ADJUSTMENT
FIG. 7
MOTE IF TIYWR-RES~STA~CHOKE , m v r n D ] IS USED, IEYOVS CHORE COYER
4 N D C O I L A ~ Y B L I F O L L O W I N ( IIYIIRUCTIOWI bWCHOIES71TCOYER RETAIWERllT
* a.Cls"asrs
THERMOSTATIC
Awo*L"e ELSE0
PUS" INI,DIC*OL.SO,,
LEVER C 0 " " ~ ~ ~ ~ L O C X
OLOOS~NIHREE
R C ~ N I W OSCREWS AND
RSYOYIIHETIILRYOITATICCDYFR A m
COlL A S I L Y I L I FROM C Y O l l HOUOING
(SEE NOTE)
W,SS "WT,L,&WC
ow
OY.llOE ,EVER CONILCT.
V.C""M
n n n * ROO
.UCKIITSI.NT
@PLACE 6AST #OLE CAM
FOLLOWER ON WlOH STEP
OF FAST lDLE CAM
CHOKE COlL LEVER ADJUSTMENT
FIG. 5
i.COU..ESS.D
VACUUM BREAK ADJUSTMENT
(RICH SETTING)
FIG. 8
@HIKE
CHOIE CON LEVER AND FA- ~DLEADJUITYENT (BENCH ORON-TWS
CAR OETTIIIG).
NOT8 lF IAN-R-RESISTANT
CHOKE (RIVETED1 IS USED. D O H O T R ~ I O Y C R I V E I I
ANDCHOKECOVERTO PLIFORU 7HlS ADIU8TYEYI. USE RUBBER B1WD OW
YACUUYBREAIILEVEl7AllGTOHOLDCWOIEVllVECLDtED.
OW CHO1E COIL
LEVER OR YICUUY
@.EM LEVER TANG
IHOLO IN POSWION
@ReUOYEGIUDs.
",""EST
O S < A S , 8"LECfiM
,Do
I n C Y Y U *PEAK
*orCoUsl/rsl
B"CIIWT
SPR#NS,
WITH RUBBER BAND).
CHOKE ROD (FAST IDLE CAM)
RELATION ADJUSTMENT
FIG. 6
VACUUM BREAK ADJUSTMENT
(LEAN SETTING)
FIG. 9
BULLETIN: SD-8A
RED SECTION
DATE MAY 1983
PAGE 3
REPLACES
PAGE
3
APRIL
1979
Delco Carburetor
ADJUSTMENT PROCEDURES 2MC.M2MC-E2MC.M2ME.E2ME
(DUAL JET)
VOTE PERFORM ADJUSTMENTS IN PROPER SEQUENCE
REAR VACUUM BREAK ADJUSTMENT
PLUG GAUGE METHOD
FIG. 13
FIG. 10
U P P l l E D L I esC"DXI
VllYl
AND l N I i D E WALL
A l s "esN
GAUGE
or
SETTING).
NOTE: DONOTREMOVERIVETS IWOCHDXECOYERTOPERFORMTHlSADJUSTUENI
"SERUBsERB&NDONVAC""MBRE*IILEVERT*NGTOHOLDCHOIEVILVE
CLOSED (STEP 8 1
BUBBLE IS CENTERED.
@CLOSE CHOIE VALYE BY PUSHING UP ON T ~ N ON
G
VACUUM BREAK LEVER (HOLD IN POSlTlON WlTH RUBBER BAND)
UNLOADER ADJUSTMENT
FRONT VACUUM BREAK ADJUSTMENT
PLUG GAUGE METHOD
FIG. 11
lTYPlCAll
FIG. 14
I
USINeVnCUUM SOURCE.
NOTSON DFLllMODELSWiTIl
AIR B L E E D . R E M ( I V E R U B B l R
COYER OVERMLTER ELEMENT
AND PLUGSMALLBLEEDHOLE IN
VACUUMTUBEWITHTAPE ON
MODELS WlTH AIR BLEEDIN
"OLD P R l M A R "
RUBBER BAND
PLUNDER
BUCIlNO
SPRINO
C
O
@TO ADJUST. BEND
CHOKE LINKUNTIL
BUBBLEISCENTERED
2-P
LlOHTLI CLOSE CHOKE BY
PUSHINO UPWARD ON CHOKE
I L LEVER OR VACUUM
BREAK LEVER TANG IHOLD
IN POSITION WITH RUBBER
BAND). MAKE SURE PLUNGER
BUCKING SPRING (IF USED)
IS COMPRESSED AND SEATED.
REAR V A C U U M BREAK A D J U S T M E N T
FIG. 12
II
UNLOADER ADJUSTMENT
FIG. 15
1I
BULLETIN: 9D.8A
RED SECTION
DATE: MAY 1983
PAGE: 4
I
O ALIONU*K
w eovm m w SPE~SOEDrow o*
*OU8I*0.
NOTE: UAKE SURE COIL ncr up rwcn e w s COIL
TANG - SEE TTMCAL V W INSET "9
.
OsoLeNoIDwERGIzm
-
@ PREPARCVEHICLE FOR IIDJUSTMeNTs
A ' C COMPRESSOR LEAD
DISCONNECTED AT A - C
LOO="
IMLE
RETAWING S C W S
(NOTE: TtOHTEY
A T I R A N S M I B S I O N IN
DRIVE M T I N N E U T R A L
CONNCCTION
@oPENTHRoTilEsLIG*rLyToALLoW
SOLEN~~DPLUNGERTO~UILV~XT~ND
INSET 8 2
iSEECMISSION L ~ B C L I
AIC ID1.E SPEED -UP SOLENOID ADJUSTMENT
AUTOMATIC CHOKE COIL ADJlJSTMEN'T
FIG. 16
FIG. 18
OPREPAR
FOR
E lV
toE
u s TU
mN
IT
C
s -~
SEE EMlSStON LABLL ON VEHICLE
NOTE lUNlTlON TIMING SET PER L I I B E L
OPOS~T~ONTRANSM~S~~ON
-
I N PARKOR NEUTRaL
TURN l O L i S P ~ ~ D S C R E10
W
WELOTO
BET CURBIDLE
SPECIFICATIONS A ' C 0 1 6
iSCE LMISION LABEL)
VALVE
I
IDLE SPEED ADJUSTMENT
FIG. 17
1
TURN FAST IDLE SCREW
TOOSTAIN SPECIFIED R P M
O N EMISSION LABEL
DJUSTMENT [ON VEHICLE]
FIG. 19
EZl
Delco Carburetor
Delco
. .-
BULLETIN: 9D-8S
DATE: NOVEMBER 1977
PAGE: 1
FILE AFTER BULLETIN 9D-8A
REPLACES PAGE 1
DATED NOVEMBER 1976
ADJUSTMENT A N D T U N E UP SPECIFICATIONS
ADJUSTMENT SPECIFICATIONS
~
~
REFER TO LABEL IN ENGINE COMPARTMENT FOR CORRECT
CO. WD, 131, 132:M. 9X. 9FR, 9FD
PRINTED I N U.S.A.
01977 GENERAL MOTORS CORP.
BULLETIN: 9D-8S
DATE: NOVEMBER 1977
PAGE: 2
A D J U S T M E N T AND TUNE U P S P E C I F I C A T I O-N S.
M O D E L "2MC" (DUAL-JET)CARBURETOR MODEL
CARBURETOR NO.
2MC
2MC
7045358
17056157
17056454
ZMC
17056452
17056456
17056458
ZMC
ZMC
17056455
17056457
I
ADJUSTMENT SPECIFICATIONS
R E F E R T O L A B E L IN E N G I N E C O i v ~ r I~I nV I ~ NFTO R C O R R E C T
TUNE-UP P R O C E D U R E A N 0 SPEClFlCATlOMS
*Alternate Method
Note: 15056157-452-1 7055053 , 1 7 5 : Others ,210".
IMPORTANT: All Choke Measurements Are Made a t TOP Edge Of Valve.
B U L L E T I N : 9D.BS
DATE: NOVEMBER 1977
PAGE: 3
F I L E AFTER B U L L E T I N 9D-8A
REPLACES PAGE 3
D A T E D NOVEMBER 1976
Delco Carburetor
ADJUSTMENT
A N D T U N E UP SPECIFICATIONS
. .- .- - . MODEL "2MC" - "MZMC" - "M2ME" (DUAL-JET)
2MC
17056459
I
M2MC
M2MC
17057172
17057176
17057173
2MC
2MC
17057157
170571 5 0
17057151
17057156
17057158
ADJUSTMENT SPECIFICATIONS
7
1
.JJUSTMENT
BULLETIN NO.
- ~-~
ADJUSTMENT
FLOAT LEVEL
PUMP ROD LOCATlOP
PUMP ROO
9D8A
Fig. No.
Spec.
1
118
OUTER
3
OUTER
3
3116
3
11/32
3
3 Turns
4
3 Turns
4
,120
5
,120
.lo5
7
,085
5
7
!
9DBA
Fig. No.
spec.
1
118
9DaA
Fig. No.
Spec.
1
11/32
I
I
9D-8A
I
Spec.
11/32
Fig. No.
1
-~
1
I
I
9
IC IDLE SPEED ADJUSTMENT
SEE
DECAL
SEE
DECAL
900.P
Low
Step
AST IDLE R.P.M.
3
114
3
OUTER
5116
3 Turns
4
3 Turns
4
3 Turns
,120
5
,120
5
,120
5
,090
7
,075
7
,075
7
.
3
1.160
I
1
5
IDLE SPEED ADJUSTMENT
INNER
3
I
- -
Index
3
OUTER
318
I
I
X U U M BREAK-LEAN
1.210
.CUUM B R E A K - F R O N T ( A N G L E G A U G E ~
-~~
gACUUM BREAK-FRONT(PLUG GAULit'l
VACUUMBREAK-REAR(ANGLE GAUGE)
VACUUM BREAK-REAR (PLUG GAUGE*)
1
9D-8A
Fig. No.
Spec.
1
118
p
p
FAST IDLE (BENCH)
CHOKE COIL LEVER
CHOKE ROD (FAST IDLE CAM)
UNLOAOER
CHOKE SETTING
!
16
190
2NR
103
I I
12
13
Note
Note
12
13
15
16
240
2NR
16
l7
SEE
DECAL
15
190
15
240
1NR
16
2NR
SEE
DECAL
l8
ZCAL
DECAL
I I
Note
Note
16
17
SEE
.IJ3
SEE
DECAL
l7
l7
SEE
DECAL
15
l7
18
900-P
LOW
Step
SEE
DECAL
goo-N
LOW
Step
SEE
DECAL
1750-P
2nd
Step
SEE
DECAL
1 7 5 0 . ~ SEE
2nd
DECAL
step
REFER TO LABEL IN ENGINE COMPARTMENT FOR CORRECT
TUNE-UP PROCEDURE AND SPECIFICATIONS
'Alternate Method
Note: Angle Gauge Setting 36'. Plug Gauge ,225.'; After 22;500 Miles, Reset t o 38'.
IMPORTANT: All Choke Measurements Are Made A t T o p Edge Of Vs ve.
CO, WD, 131,132:M,9X,9FR.9FD
or ,240"
PRINTED I N U.S.A.
0 1 9 7 7 G E N E R A L MOTORS CORP.
BULLETIN: 9D-8S
DATE: NOVEMBER 1977
PAGE: 4
ADJUSTMENT AND TUNE UP SPECIFICATIONS
MODELS "2MC" - "MZMC" - "MZME" (DUALJET)
C A R B U R ET O R M O O E L
CARBURETOR NO.
1
M2ME
17058130
17058131
17058132
17058733
170581 84
170581 86
I
MZMC
170581 50
170581 52
I
M2MC
170581 51
17058156
11058158
I
-
MZMC
17058154
17058155
17058450
ADJUSTMENT SPECIFICATIONS
REFER Tu L n a e r IN ENGINE COMPARTMENT FOR CORRECT
Note: 1705845045°: Otherr 40'.
-
I
-
MZMC
-
17058160
-
I
BULLETIN: 9 D . S
RED SECTION
DATE: MAY 1983
PAGE: 5
REPLACES PAGE 5
DATED APRIL 1979
Delco Carburetor
ADJUSTMENT AND TUNE UP SPECIFICATIONS
MODELS "2MC"-"M2MC"-"M2ME"-"E2ME"
(DUALJET)
M2ME
17058192
(Turbo)
M2ME
17058498
(Closed Lnnp)
M2MC
17059100
17059101
17059102
17059103
17059142
17059143
17059144
17059145
ADJUSTMENT SPECIFICATIONS
I L E CAM)
.E AN
IRONT (ANGLEGAUGE)
MZMC
17059108
17059110
17059138
17059139
17059140
17059141
MZME
17059130
17059131
17059132
17059133
17050170
17059171
BULLETIN: 9D-8S
RED SECTION
DATE: MAY 1983
PAGE: 6
NOTE 3
-
-
I
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
17059434-436 29"; Others 27
1600-P; California Models 1950-r.
17059151 3S0; Others 27'.
17059151 25O; 17059154 40°; 17059450 45O.
17059191 11132; Others 5116.
17059430-432 9/32: Others 15/32.
BULLETIN: 9 D . S
RED SECTION
DATE: MAY 1983
PAGE: 7
REPLACES PAGE 7
DATED APRIL 1979
Delco C a
ADJUSTMENT AND TUNE UP SPECIFICATIONS
(DUALJET)
MODELS 'L2MC"-L'M2MC"-''M2ME"-''E2ME''
CARBURETOR MODEL
CARBURETOR NO.
M2ME
M2ME
17059184
17059193
17059194
17059196
17059491
17059492
17059498
,,
1
EZME
17059496
(Closed LOOP)
1
ADJUSTMENT SPECIFICATIONS
I
VACUUM BREAK-REAR
(ANGLE GAUGE)
Note 1: 17059492-498-2NR;
Others I N R .
17"
I
1
12
I
1
I
21'
1
12
1
I
30"
I
12
1
I
I
I
NOTE!