Disassembly - Hudson 1953 Jet Mechanical Procedure Manual

45 FUEL SYSTEM & EXHAUST
8, until it just seats against the cam.
2. Hold throttle lever closed and pull cam back
until low step is against but not on set screw
(B), Figure 8. Clearance between lower edge of
choke valve and air horn should be 5/8" (A),
Figure 7.
3. Adjust by bending fast idle link at offset portion,
(C).
FIGURE 8
IDLE ADJUSTMENT
1. Start engine and allow engine to warm up.
2. See that choke valve is wide open and set idle
adjustment screw to obtain smooth idle at 540
to 560 R.P.M. on cars equipped with Standard
Transmission (490-510 R.P.M. for cars e
quipped with HydraMatic Transmission).
NOTE: Normal setting is 1/2 to 1-1/2 turns
open.
CARBURETOR REMOVAL
1. Remove air cleaner and disconnect throttle
linkage at carburetor.
2. Disconnect gas line from carburetor to fuel
pump and disconnect vacuum line from
carburetor to distributor.
3. Disconnect heat riser tube from exhaust
manifold to carburetor.
4. Remove nuts and lockwashers from the carburetor
mounting studs and remove carburetor assembly.

DISASSEMBLY

1. Remove fast idle cam and pin assembly.
2. Remove air horn and climatic control assem-
bly and lift off air horn gasket.
3. Disconnect throttle connector rod; then remove
bowl cover with all parts attached. Remove throt-
tle shaft arm assembly.
4. Check throttle rod for wear at both ends and at
hole in pump arm. Remove bowl cover gasket
and pump spring.
5. Remove the metering rod jet and gasket assembly.
6. Remove the low speed jet assembly.
7. Remove the pump jet plug and gasket assembly
and pump jet.
8. Remove the pump discharge ball retainer and
gasket, and check ball.
9. Remove nozzle passage plug, nozzle retainer
plug and nozzle. (Be sure to remove small
nozzle gasket from casting.)
10. Remove the pump strainer and pump intake
ball check.
11. Separate the body from flange assembly and
remove the body flange gasket.
12. Remove idle adjustment screw and spring.
NOTE: Check for groove on seating surface.
13. Remove idle port rivet plug with rivet extractor
KMO-481.
14. Remove throttle valve screws, valve and
throttle shaft and lever assembly. Check
shaft for wear or loose lever and throttle rod
hole in lever for wear.
15. Remove choke valve screws, choke valve,
shaft and piston assembly from air horn.