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PART 10-3-STROMBERG CARBURETTOR
.
10-21
I
~
FIG.
12
-Carburettor Exploded View
pump stem and separate pump piston,
pump rod,
spring,
bush and
gasket.
Discard the gasket.
4.
Withdrllw float chamber baffle
from guide
slots.
Remove fulcrum-
pin-
retaining clip and withdraw ful-
crum pin and float
assembly.
Re-
move needle
valve.
Unscrew and re-
move needle valve seat and
gasket.
5. Unscrew and remove idle tube,
power by-pass jet and
gasket.
6. Remove the main metering jet
and
pump-inlet-check-valve
plugs
and copper
gaskets.
7.
Remove the main metering jet
using special tool
<6A12l.
8.
Remove
main
discharge
jet
using special tool
<6Alll.
N.B. The main discharge jet is
accurately calibrated and assembled
within close tolerances during manu-
facture. For normal cleaning and
service operations It Is advisable to
leave the main discharge jet undis-
turbed.
If,
however, the main dis-
charge jet is suspected of being dam-
aged or is to
be replaced, care
should be taken to note Its position
to ensure correct Installation.
It
Is impol'ta.nt that no probe or
wire be Inserted into the bore of the
main discharge jet.
To do so will
cause damage to the screen located
within.
11.
Remove pump Inlet check valve.
lZ.
Remove
strainer
screen
clip
and strainer
screen.
THROTTLE BODY
1. Do not remove the idle mixture
adjusting screw and spring unless absol-
utely necessary.
2.
Remove the throttle lever re-
taining nut and lockwasher and re-
move throttle lever
assembly.
3. If
It Is necessary to remove the
throttle
valve
and
shaft,
lightly
scribe the throttle valve along the
throttle shaft so that the throttle
valve can be installed In the same
position during
Installation.
Remove the throttle valve retaining
screws and slide the valve out of the
shaft. For assembly purposes note
that the dimple In the throttle valve
Is
located above the throttle shaft.
If
the tips of the screws are flared
excessively, file off the tlared section
to avoid damage to the threads In
the throttle
shaft.
Be
careful not to
damage the throttle shaft or valve
while filing the
screws.
C. Withdraw
the
throttle
shaft
from the throttle body and remove
pump tloatlng lever from shaft.
CLEANING AND INSPECTION
Clean and Inspect the carburettor
component
parts.
Refer to Part
10-1,
Section
3,
for the proper procedure.
Replace all worn or damaged parts.
ASSEMBLY
Make sure all holes in the new
gaskets have been properly punched
and that no foreign material has
adhered to the
gaskets.
During assembly of the carburettor,
certain adjustments are
required.
The
details of these adjustments are covered
on page 10
17
A disassembled view of the car-
burettor is shown in
Fig.
12
AIR BORN
1.
If
the choke valve and shaft
were
removed,
reassemble the choke
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