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Old Oldsmobile Carburetors : Oldsmobile-012


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Anti-percolator Adjustment: Crack throttle valve .030" by placing gauge T109-29 between valve and bore of carbureter (side opposite port). Bend rocker arm (use tool T109-105) until there is a clearance of .005" to .015" between rocker arm and pump arm.
Fast Idle Adjustment: With fast idle cam held in normal idle position, tighten throttle lever adjusting screw until it just seats against cam. Hold throttle lever closed and pull cam back until first (or lower) step on cam is against (not on) set screw.
There should now be %" clearance between inside wall of air horn and lower edge of choke valve. (Use tool T109-85.)
Adjustment can be made by bending at offset portion of fast idle link. (Use tool T109-41.)
Unloader Adjustment: With throttle valve wide open there should be 7/16" clearance between lower edge of choke valve and inner wall of air horn. (Use tool T109-81.) Adjustment should be made by bending cam on throttle lever. (Use tool T109-41.)
Lock-Out Adjustment: With throttle and choke valves wide open, choke should lock in wide open position. Adjustment should be made by bending lip at lower end of fast idle link to give 1/32" clearance between lip and throttle lever lock, with throttle and choke valves held wide open. (Use tool T109-105.) e
NOTE: Parts are shown here for identification only. Check correct number and price in list given below.

Oldsmobile 6—1940—Carbureters Nos. 466S-467S—List Price $29.40
WHEN SERVICING, USE GASKET ASSORTMENT No. 639A—PRICE $1.05; REPAIR PACKAGE No. 1083, PRICE $5.85 PART NAMES IN BOLD TYPE, LISTED BELOW, INDICATE CONTENTS OF REPAIR PACKAGE
All Prices Subject to Prevailing Surcharge
Part No. PART NAME List Price
IA-17 Flange gasket (IF," S.A.I5.) $0 07
1-3069 Body flange assembly (4665) (Sup. by
1-326S on 4675)_ 5 50
1.3263 Body flange assembly (467S) 5 50
2-97 Throttle valve __ . 30
3-3353 Throttle shaft and lever assembly (4665)
(Sup. by 3-386S on 467S) -- 1 10
3-3865 Throttle shaft and lever assembly (467S) 1 10
6-275S Air horn and piston housing assembly
(Superseded by 6-345S) 2 95
6-2905 Air horn and climatic control assembly
(Superseded by 6-348S) 8 10
6-3459 Air horn and piston housing assembly 2 95
6-348S Air horn and climatic control ass'y (465S) 8 10
6-356S Air horn and climatic control ass'y (467S)__ 8 10
7-107 Choker valve 30
11-160S Low speed jet ass'y (Superseded by 11-169S) 45
11-169S *Low speed jet assembly_ 45
11B-41 Rivet plug -_ -_ 04
11B-42 Body flange rivet plug.._ . 04
11B-79 Rivet plug - . (5) 04
11B-108 Idle port rivet plug 04
11B-117S Low speed passage plug :tad gasket ass'y 15
11B-119S Pump discharge bail retainer plug ass's 15
11B-127S Pump jet and nozzle passage plug ass'y....(2) .15
11B-130 *Nozzle retainer plug 15
12-264 *Nozzle .----. ... _ 45
14-222S Choke piston lever, link and shaft assembly-_ 90
14-223S Choke lever, screw and link assembly 45
15-35S Strainer nut and gasket assembly 45
20-22 *Needle seat and plug gasket_ (3) 07
20-26 *Metering rod jet and plug gasket (3) 07
20-35 Bowl strainer gasket _ 07
20-45 Nozzle gasket ................ ...........: 07
21-76S Float and lever assembly 1 20
24-15 Float lever pin
25-75S Needle and seat assembly 1 20
30-14 Bowl strainer gauze 15
30-23 Piston housing strainer 20
30-35 Pump strainer -- 15
30A-39 idle adjustment screw 45
39-10 Choke valve attaching screw (2) 2 for 07
48-72 Pump Jet, No. 72 drill 35
53A-1665 Pump arm and countershaft assembly 75
61-23 Plunger spring 15
61-57 Adjustment screw spring 07
61.63 Puma spring _---------.... ._.. ...... ....... .15
61-75 Metering rod spring 15
61-128 Conn e'toi• rod spring 07
61-175 Vacuum piston spring 07
61-188 'ocher arm spring 15
61-192 Ne d'e pull clip 07
63-33 Thermostat housing retainer _.--. --_...--_- (3) 04
63-35 Suring retainer 07
64-58S Plunger and rod assembly 1 05
Part No. PART NAME Llst Price
75-430 Metering rod—standard—.079"-.079" to
.072"-.054" 45
75-435 Metering rod—1 size 1ean—.080"-.080" to
.0745"-.059" ---_ 45
75-436 Metering rod—2 sizes lean—.08075"-.08075" to
.0755"-.063" __- .45
Bowl cover lock washer (Use with
101-22 and 101-61).... (6) .02
86-11 Air horn lock washer (Use with 101-107) (2) .02
86-12 Body flange lock washer
(Use with 101-60) _(2) .02
86-15 Flange stud lock washer (2) .02
101-22 Piston housing attaching screw
(Sup. by 101-143S) 07
101-28 Throttle shaft arm clamp screw 07
101-60 Body flange attaching screw
(Sup. by 101-147S) (2) 07
101-61 Bowl cover attaching screw
(Sup. by 101-148S) (5) 07
101-65 Coil housing attaching screw (3) 2 for 07
101-78 Choker lever clamp screw 07
101-81 Fast idle cam screw 15
101-87 Throttle valve attaching screw (2) 2 for 07
101-107 Air horn attaching screw
(Sup. by 101-151S) -----(2) 07
101-120 Throttle lever adjusting screw 07
101-143S Piston housing attaching screw and washer
assembly ------_ ---- ---_ __---_.-_--.. .07
101-147S Body flange attach'g screw and washer ass'y .07
101-148S Bowl cover attaching screw and washer ass'y .07
101-151S Air horn attaching screw and washer ass's.. .07
105A-13 Flange stud nut (2) .07
114-42S Throttle shaft arm and screw assembly 30
115-41 Throttle connector rod 35
116-13 Ball (2) .04
117-58 Pump connector link 07
117-66S Piston link and spring assembly._ .. 35
118-28 Dust cover 75
120-15S Metering rod jet and gasket assembly—.1015" 45
121-51 Air horn gasket 07
121-58 Bow! gasket 15
121-72 Body flange gasket 15
121-74 Coil housing gasket 07
129-15 Metering rod disk ........ 04
146-69 Bowl cover (Not sold sep't'ly, part of 146-88S)
146-88S Bowl cover and strainer assembly 1 90
150-62 Piston pin . .. . _ __. ---... ..... . 04
150-92 Anti-percolator pin 04
150A-10 Pin spring (3) 02
160-35 Choke piston -.. ......-.--_ .. ---- 30
160-67S Vacuum piston and pin assembly -- .45
170F23S Thermostatic coil and housing ass'y (4665).. 2 95
170M23S Thermostatic coil and housing ass'y (467S). 2 95
181.675 Fast idle cam and pin assembly 30
184-18S Anti-percolator cap and rocker arm assembly 35
86-9
*Caskets so marked must he soaked in 90 proof denatured alcohol for 15 minutes. installed on part and let dry before using. NOTE: Small figures preceding list prices indicate number of pieces used in one carbureter. Where numbers do not appear before prices, only one is used.
NOTE: (466S only) When servicing, to avoid damage to nozzle, remove low speed jet before removing nozzle: or install nozzle before low speed Jet.