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STARTER SWITCH: The Carter starter switch must be qualified
with Carter protractor gauge T109-155S. Switch must make contact between
30° and 45° throttle opening.
When qualifying the starter switch, do not use more than th3-ee 153-11 (.018" shim)
and two 153-12 (.006" shim) and not less than one 153-11 shim.
NOTE: Parts are shown here for identification only. Check correct number
and price in parts list.
Packard—I 948—Carbureters Nos. 643S-643SA-644S—Lisf Price
$54.60
WHEN SERVICING, USE GASKET ASST. No. 156, PRICE $0.95; REPAIR PACKAGE No.
1375, PRICE $7.28 FOR 643S-643SA; No. 1376, °RICE $7.28 FOR 644S.
PART NAMES IN BOLD TYPE, LISTED BELOW, INDICATE CONTENTS OF REPAIR PACKAGE
6-3705 Air horn and climatic control assembly (6435-SA) _ 8 82
6-3815 Air horn and pump jet assembly (6435-SA) _ 3 30
6-3825 Air horn and pump jet assembly (644S) 3 30
7-113 Choke valve (644S) 29
7-123 Choke valve (643S-SA) 29
II-162S Low speed jet assembly (644S) (2) 45
II-1635 Low speed let assembly (Sup. by II-162S on 644S)_ (2) 45
116-26 Body flange passage plug 2) 03
IIB-41 Pump discharge passage plug (2) 03
IIB-79 Rivet passage Plug (4) 03
1IB-108 Idle port passage plug (2) 03
IIB-1275 Nozzle passage plug and gasket assembly (2) 15
IIB-134 Rivet passage plug (2) 03
116.141 Nozzle retainer plug (2) 15
IIB-159 By-pass bleeder screw plug (2) 29
12-262 Nozzle (644S) 2) 45
12-311 Nozzle (643S-SA)
14-2255 Choke piston lever, link and shaft assembly 59
14-249 Choke trip lever 15
15-355 Strainer nut and gasket assembly 45
7-50 Pump check needle 22
20-22 Needle seat gasket (3) 07
20-35 Bowl strainer gasket 07
20-45 Nozzle gasket 2) 07
20-54 Metering rod jet gasket 2) 07
20-55 Idle passage gasket (3) 07
21-645 Float and lever assembly 1 18
24-24 Float lever pin 07
25-985 Needle and seat assembly 1 18
30-14 Bowl cover strainer - .15
30-23 Piston housing strainer 22
30-34 Pump strainer 15
30-36 Switch strainer 22
30A-41 Idle adjustment screw (2) 45
39-10 Choke valve attaching screw (2) 2 for ,07
49-128 Switch plunger .._--- ---------.-• ._...._.._ _ _ 74
49A-18S Anti-percolator valve plug assembly (2) 74
53A-127S Fast idle arm, pin and screw assembly 45
53A-1645 Pump operating lever and countershaft assembly 74
53A-1805 Pump arm and collar assembly (643S-SA) 36
53A-216S Pump arm and collar assembly (644S) 36
61-57 Idle adjustment screw spring (2) 07
61-120 Metering rod spring I5
61-123 Connector link spring _4 15
61-128 Connector rod spring - . 07
61-142 Fast idle arm spring 15
61-143 Plunger spring 15
61-151 Pump arm spring (644S) 15
61-171 Pump spring _----° .. ............................ . 15
61-199 Vacuum piston spring 07
61-209 Switch return spring 15
61-212 Pump arm spring (6435-SA) 15
61-229 Fast idle cam spring 15
61-2435 Switch contact spring and washer assembly 22
63-35 Spring retainer (643S) 07
63-43 Switch strainer retainer ring 07
63-45 Check ball retainer ring _ _._ 07
63-48 Thermostatic coil housing retainer -(2) 07
63-93 Spring retainer (Clinch ears after assembly)
(643SA-644S) : 07
63-118 —Throttle shaft retaining ring (644S) 07 —Parts so marked
are new and listed for first time.
NOTE: Small figures in parentheses preceding list price indicate number of
pieces used in one carbureter. Where no figure is shown, only one is used.
Part No. PART NAME List Price Part No.
-5365 —Body fange assembly (6435) -$3.68 64-59S
I-5375 —Body flange and switch assembly (643S)
-
(Sup. by I-562S) ...- _.. ..._ ---- 64-71S
-5625 —Body flange and switch assembly 9 18
2-101 Throttle valve (2) 15 75-451
3-4455 Throttle shaft and lever assembly (6435)
(Use with I-537S) 1 62 75-519
3-6075 —Throttle shaft and lever assembly (643SA-644S)
(Use with I-562S) 1 62 75-520
6-3685 Air horn and climatic control assembly (644S) 8 82
75-606
75-608
75-620 75-621
86-12
86-17
86-37
101-10 101-26 101-65 01-69 101-70 101-74 101-84 101.109 101-112 101-121 101-124
101-126 101-128 101-1485 101-149S 101-1505 105A-lI III-285 114-35 114-39
115-57 115-65 116-13 116-19 117-58 117-78 118-33 120-1255 120-1395 121-43
121-61 21.63 121-74 129-12 136-34 136-38 146.1085 150-62 150-81 150A-10 150A-14
153-II 153-12 160-35 60-585 170M-64S 172-12 172-18 181-87 181-1105 184-205
192-110
PART NAME List Price
Pump plunger and rod assembly (Identify by shaft
No. 49-119) (6435-SA) 1 04
Pump plunger and rod assembly (Identify by shaft
No. 49-127) (644S) 1 04
Metering rod—Standard—.064"-.064" to
.060"-.050" (644S) (2) 45
— Metering rod—I size lean—.065"-.065" to
.062"-.052" (644S) (2) 45
— Metering rod—2 sizes lean—.066"-.066" to
.0635"-.0535" (644S) ----(2) 45
—Metering rod—Standard—.0655"-.0655" to
.0585"-.051" (643S-SA) (2) 45
— Metering rod—Standard—.066"-.066" to
.0635"-.050" (644S) (Sup. by 75-451) (2) 45
—Metering rod—I size lean—.067"-.067" to
.0605"-.0535" (643S-SA) (2) 45
— Metering rod—2 sizes lean—.0685"-.0685" to
.0625"-.056" (6435-SA) (2) 45
Flange stud lock washer 02
Body flange lock washer 02
Terminal lock washer (2) 02
Anti-percolator arm clamp screw 07
Coil housing attaching screw (2) 2 for 07
Choke shaft attaching screw 2 for 07
Throttle centering screw (6435) (Use with I-537S) 07
Fast idle arm attaching screw 15
Throttle shaft arm attaching screw 07
Fast idle adjustment screw 07
Switch terminal screw (2) .07
Terminal cap attaching screw 07
Throttle lever adjustment screw 07
Body flange attaching screw 07
Throttle valve attaching screw, (4) 2 for 07
Air horn attaching screw—special 22
Bowl cover attaching screw and washer assembly 6) 07
Body flange attaching screw and washer assembly (3) 07
Air horn attaching screw and washer assembly (2) 07
Flange stud not 07
Anti-percolator arm and screw assembly 29
Throttle shaft arm (6435-SA) 08
Throttle shaft arm (644S) 08
Throttle connector rod (643S-SA) 36
Throttle connector rod (644S) 36
Ball _ . 03
Ball (Switch) 22
Pump arm link 07
Fast idle connector link 15
Dust cover 74
Metering rod jet and gasket assembly (644S) (2) .45
Metering rod jet and gasket assembly (6435-SA) (2) .45
Body flange gasket 36
Air horn gasket 15
Bowl cover gasket 15
Coil housing gasket -° 07
Metering rod disk (2) 03
Choke shaft washer 03
Throttle shaft washer 03
Bowl cover assembly 1 92
Piston pin ----°---- --° ................... .....................................
.03
Metering rod pin 07
Pin spring .....................................................................(4)
02
Pin spring (Countershaft) 02
Contact spring shim (.018)—(Switch) (3) 02
Contact spring shim (.006)—(Switch) (2) 02
Choke piston ...... .................°--- 29
Vacuum piston and link assembly 45
Thermostatic coil and housing assembly 2 94
Hold down clip (Terminal cap) 15
Cable clip 15
Guide block (Switch ) 36
Fast idle cam assembly 45
Terminal cap assembly 1 11
Carter starter switch unit 2 58
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