ROCHESTER CARBURETORS

Bulletin 9D-7 August, 1951

Bulletin 9D-7
August, 1951
Model "BB"
Page 13
ROCHESTER PRODUCTS, DIVISION OF GENERAL MOTORS, ROCHESTER, NEW YORK
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Float Should Touch Top of Gauge
Float Gauge
Venturi Clus
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Main Discharge Nozzles
Venturi Cluster Locating Groove
 
Floats Should Be Equi-Distant from Legs of Gauge
Figure 11
Figure 12
9. Place rubber seal on pump plunger arm and pull seal through air horn until it positions in its groove on casting.
10.    Install Venturi cluster in its groove in air horn. Figure 12.
11.    With bowl in upright position, place air horn assembly on bowl so that screw holes line up. Guide pump plunger against pump return spring and he care ful not to hit float on sides of bowl.
12.   Install and tighten four air horn screws evenly and securely.
13.    Upend carburetor, install and tighten remaining four air horn screws evenly and securely.
14.    Install filter screen, strainer nut and gasket assembly in air horn.
15.   Install pump rocker arm on to shaft. Then install pump plunger arm to rocker arm. (Figure 13.)
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Figure 13

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