Chevrolet with Old Carter Carburetors : 1941 Chev. 1941 G.M.C. 1942 Chev.

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1941 Chev. 1941 G.M.C. 1942 Chev.

Economy: (a) Maximum economy is secured only when breaker points, spark plugs, valves and motor timing are set to manufacturer's specifications.
(b) Float level must set as instructed above.
(c) Step-up valve cage assembly should be examined. Ball check in this assembly must
seat and move freely. When reassembling valve cage must be screwed in tight against seat.
(d) Step-up push rod must move freely in upper and lower guides.
(e) Step-up piston in upper casting should net bind and must be free from dirt.

Chevrolet Six Truck—1941-42—Carbureters 489S-517S—List Price $22.05
All Prices Subject to Prevailing Surcharge
WHEN SERVICING 489S, USE GASKET ASSORTMENT No. 653—LIST PRICE $0.60; REPAIR PKG. No. 1090 (489S Only), PRICE $4.40
PART NAMES IN BOLD TYPE, LISTED BELOW, INDICATE CO TENTS OF REPAIR PACKAGE
Part No. PART NAME List Price
IA-41 Flange gasket ._.. . (Both) $0.09
2-96 Throttle valve ..... __--_-_-.._(489S) .30
2-109 Throttle valve ... ..__- _.(517S) .30
3-351S Throttle shaft and lever ass'y (Both) .90
7-I 18S Choker valve assembly (Sup. by 7-128S) 75
7-128S Choker valve assembly (Both) .75
IIB-12 Rivet plug --(Both) .04
116-26 Rivet plug (Both) (2) .04
116-30 Step-up piston plug (Both) .15
IIB-31 Idle hole plug (Both) .15
12-166 Nozzle (4895) .90
12-283 Nozzle (5175) .90
13-29 Choker shaft (stub) (Both) .20
14-260S Choker ass'y with clamp and screw_ (Both) .60
20-30 Nozzle gasket (Both) .07
20-31 *Needle seat gasket (Both) .07
20-32 Metering screw gasket (Both) .07
20-74 Venturi gasket—upper ..... _(489S) .07
20-75 Venturi gasket—lower (489S) .07
20-82 Venturi gasket—upper _- __(517S) .07
20-83 Venturi gasket—lower -(5175) .07
21-49S Float and lever assembly (Both) 1.20
24-18S Float lever pin and plug ass'y (Both) .15
25-44S Needle and seat assembly _(Both) 1.20
30A-35 Idle adjustment screw (Both) .45
32-12 Pump rod gasket (Both) .07
49-87 Step-up push rod _-- : (Both) .15
51-20 Pump collar (Both) .15
52-16 Pump sleeve ____. (Both) .30
53A-71S Pump arm assembly (Both) .90
58-73 Venturi (589S) .75
58-74 Venturi (5175) .75
61-57 Idle adjustment screw spring _ __(Both) .07
61-58 Throttle lever adjusting screw spring (Both) .07
61-59 Pump spring _ .(Both) .15
61-60 Step-up piston spring (Both) .07
61-61 Step-up spring -(Both) .07
61-275 Choke pull back spring (517S) .15
62-116S Choke tube bracket ass'y (Sup. by 62-127S)._. .35
62-127S Choke tube bracket ass'y (489S) .35
62-129S Choke tube bracket ass'y (5175) .35
63-54 Packing retainer (Both) .15
65-19 Pump link cover plate (Both) (2) .04
86-10 Lock washer (Both) .02
Part No. ART NAME List Price
86-I I Lock washer (Both) (3) .02
86-15 Flange stud lock washer (Both) (2) .02
100-15 Headless screw (Both) .07
101-10 Wire clamp screw (Both) .07
101-12 Choke bracket clamp screw- (Both) .07
101-29 Body attaching screw (Both) (3) .07
101-30 Choke valve screw __-(Both) (2) .07
101-31 Throttle lever adjusting screw (Sup. by 101-58) .07
101-32 Pump link screw (Both) .07
101-39 Throttle valve screw (Both) (2) 2 for .07
101-58 Throttle lever adjusting screw (Both) .07
101-1425 Attaching screw and washer ass'y...__(Both) (3) .07
I05A-10 Choke tube clamp nut (Both) .07
I05A-13 Flange nut (Both) (2) .07
116-13 Ball --.(Both) (2) .04
117-13 Pump link _._--..-_-....- (4895) .20
Pump link (517S) .20
Body gasket -(Both) .15
Idle passage tube ......... (4895) .15
Idle orifice tube ..... (Both) .30
Idle passage tube (517S) .15
Plug washer . (Both) .02
45-21 Vent tube _...- __ -(489S) .07
145-43 Vent tube (517S) .07
149-13S Check valve assembly (Both) .45
149-39S Step-up valve assembly (4895) .60
149-65S Pump valve assembly (Both) .45
149-7IS Step-up valve assembly (517S) .60
150-26 Pump collar pin (Both) .04
159-32 Main metering screw—3 sizes lean (4895) .45
159-40 Main metering screw—I size rich (489S) .45
159-46 Main metering screw—standard (4895) .45
159-53 Main metering screw—I size lean (489S) .45
59-54 Main metering screw—2 sizes lean (4895) .45
159-98 Main metering screw—standard (517S) .45
159-99 Main metering screw—I size lean (517S) .45
159-100 Main metering screw—2 sizes lean (517S) .45
160-10 Pump piston (Both) .60
160-II Step-up piston (Both) .30
161-IIS Pump rod plate and rod assembly (Both) .45
162-22 Power orifice (489S) .15
62-24 Power orifice (517S) .15
163-12 Felt packing (Both) .07
117-96 121-13 23-12 123-16 123-45 136-21
*Gaskets so marked must be soaked in 90 proof denatured alcohol for 15 minutes, installed on part and let dry before using. Note: Parts in parenthesis preceding price indicates number of pieces used in one carbureter. Where no number is shown, only one is used.