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Buick 40 Series 1948 Shop Manual page 124

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(123)
ENGINE FUEL AND EXHAUST SYSTEMS
STROMBERG CARBURETOR
3-49
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g-VAl VE
L:G ASKET
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PLUGS
Figure 3-81-Removing Pump Discharge Nozzle
Figure 3-79-Removing By-Pass Jet
9.
Remove accelerator vacuum switch, which
i§ attached to throttle body by two screws.
10. Remove power by-pass jet and gasket
from main body, using a large screw driver.
See figure 3-79.
7. Tap end of float fulcrum pin which is not
serrated to remove the pin, then remove float
and needle
valve.
Shake float to see whether it
is "loaded" with gasoline due to a leak. Remove
needle valve seat and float hanger using Wrench
T-20140.
See figure
3-77.
8. Remove vacuum power piston from air
horn, using Wrench
T-29733.
See figure 3-78.
Remove gasoline connection and screen.
Figure 3-82-Removing Main Metering Jets
14.
Remove main discharge jets by screwing
.
Jet Remover
T-24967
(R.H. thread) into base
of jet, then pulling jets from main body. See
figure 3-83.
·
The threads formed in the main
discharge jet by the tool will not affect the me-
tering characteristics of the jet. NOTE: Make
sure that main discharge jet lead
gaskets are
removed from main body.
15. Remove screws and separate the main
JETS
Figure 3-80-Removing Idle Tubes
11.
Rem
ove
both idle tubes from main body.
See
figure
3-80.
Handle
each tube carefully to
avo
id
damaging
the small
end which cont ains
the metering orifi
ce.
12. Remove pump discharge nozzle screw,
nozzle and gaskets. See figure 3-81. Place hand
on top of main body and invert body to catch
the check valve ball.
13.
Remove main discharge jet plugs and
gaskets, then remove main metering
jets.
See
figure 3-82.
/
JET
REMOVER
Figure 3-83-Removing Main Discharge Jets

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