Hudson 1948 - 1952, Руководство по обслуживанию

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FUEL SYSTEM & EXHAUST 4 - 27
TWIN CARBURETOR Installation
INSTRUCTIONS
Installation INSTRUCTIONS
(6B-7B MODELS)
1. Drain coolant from radiator.
2. Disconnect accelerator rod at bell crank, throttle
valve rod from throttle valve lever on transmission (if
equipped with Hydra-Matic) also bellcrank and con-
necting linkage to carburetor.
3. Remove vacuum line from carburetor to distributor
and fuel line from fuel pump to carburetor.
4. Remove windshield wiper hose from manifold (or
vacuum line from combination pump to manifold if
so equipped).
5. Disconnect exhaust pipe flange from elbow.
6. Remove weather control hose (Ranco valve to cylin-
der head) and remove hose nipple from head.
7. Remove weather control outlet pipe, (hose to water
pump).
8. Remove 14 nuts and retainers attaching manifolds to
block and remove manifolds with carburetor at-
tached.
9. Place the manifold assembly on bench and separate
the intake from exhaust manifold by removing 3 nuts
and 1 bolt and nut assembly located at center section
of manifold. The nuts and bolt will be used again for
joining the twin carburetor manifold to the exhaust
manifold.
10. Remove studs from the exhaust manifold.
11. Layout and center punch the location of the second
hole for choke heater tube 1-9/16" from the center of
the existing heater tube as shown in Figure 98.
FIGURE 98
12. Use a 3/16" drill, and drill a hole completely through the
manifold holding the drill parallel with both the existing
heater tube and flange face of the manifold.
13. Repeat the drilling operation using a 21/64" drill to bring the
hole to proper size. Exercise care in this operation to pr event
drill from enlarging the hole which will result in exhaust
leakage around heater tube.
14. Install heater tube provided in kit in exhaust manifold, main-
taining same height as existing tube. Use a soft hammer to
prevent distortion of tube opening.
15. Install the one short and two long studs contained in kit, in the
exhaust manifold.
16. Place new intake and exhaust manifold to cylinder gasket over
manifold studs and place exhaust manifold in position on
engine. Attach flange stud nuts loosely to hold manifold in
place.
17. Place new intake to exhaust manifold gasket over studs of
exhaust manifold and Install new intake manifold in position
on exhaust manifold and engine. Do Not tighten stud nuts
securely.