ROCHESTER CARBURETORS

Bulletin 9D-9 January 1952

Page19

ROCHESTER PRODUCTS, DIVISION OF GENERAL MOTORS, ROCHESTER, NEW YORK

AIR HORN ASSEMBLY (Continued)
tmp6B6-1.jpg
TRIP LEVER ASSEMBLY
FAST IDLE CAM
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SPACING WASHER
.020" FEELER GAUGE
Figure 7-30
18. Then install the trip lever, spacing washer, and re­taining screw on the end of the choke shaft. (Figure 7-30.)
19.  To provide correct fit of choke valve in air horn, push lightly on choke shaft to obtain a minimum clearance of .020" between spacing washer and lever and collar assembly. (Figure 7-31.) While holding in this position tighten choke valve retain­ing screws.
20.   Install pump shaft and lever assembly into air horn casting. Assemble shaft to inside pump lever with attaching nut and lock washer.
21.  Assemble pump rod with two clips to pump lever
Figure 7-31
on one end and throttle lever on the other. Dog leg of pump rod should be assembled nearest the throttle lever.
22.  Assemble choke baffle plate into choke housing.
23.   Assemble stat cover, gasket and coil assembly to choke housing so that coil contacts shaft link.
24.  Rotate stat cover until the scribe line on the cover coincides with the index mark on the choke hous­ing. Secure stat cover with three retaining screws and retainers.
25.   Place fuel inlet strainer and fiber gasket on strain­er nut. Then install this assembly in carburetor fuel inlet with a 3/4" wrench.
CHOKE MODIFIER DISASSEMBLY AND ASSEMBLY
DISASSEMBLY
with letters RP facing outward and lever pointed up with throttle valves closed.
2.     Assemble stat cover and coil assembly with screws and retainers.
3.     Assemble stat modifier lever to stat cover. Leave retaining screw loose.
4.    Assemble choke modifier rod with rod end clips. Stat modifier lever should point away from fuel inlet.
5.    Tighten retaining screw.
Refer to Figure 7-7 for proper assembly.
1.
Remove clips from choke modifier rod and re­move rod.
2.
Remove screw from index lever and remove lever.
Do not remove index plate.
3.     Remove stat cover screws and retainers, then stat cover and coil assembly.
4.     Remove primary throttle shaft modifier lever.
ASSEMBLY
1. Assemble primary throttle shaft modifier lever

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