CARBURETORS: CARTER
Care of Carburetor
The float-level adjustment is the same (A") as explained under
Fig. 2, except that the measurement is taken from the top of float
to shelf of casting when needle is closed. See Fig. 2A.
,/oat Lever Li
Float Lever Pin
Gasoline Intake Needle
Needle Seat
Strainer Cap Gasket Strainer Cap Strainer Gauze Strainer Screw
Gasket
Fig. 2A. Method of locating and adjusting Carter "DRO" float
level, as explained in the text.
Carter Model "DRO" Used on Oldsmobile-Six, Model
30, Series "D"
The adjustments, etc., of the "DRO" carburetor will also
apply to the model "DRO" carburetor for the Oldsmobile
six, model 30, series "D" car. The difference is that
each carburetor is equipped with different jets.
The float level adjustment is made as shown in Fig. 2A, except
that the measurement is 1/2 " instead of 5/16 "
Carter Model "DRO" Used on Ajax and Nash Light Six Cars
The adjustments, etc., of the "DRO" carburetor, page
1270, will also apply to model "DRO" carburetor used
on Ajax cars, from serial No. 18,720 up, with Ajax control rod
No. 16,612. The difference is that the flange on the carburetor
sets different, and a different jet is employed.
To clean the strainer or carburetor, and the cause The float level
adjustment is made as in Fig. 2A, and the remedy of flooding, etc.,
is the same as for except that the measurement is %" instead
of the "RXO."
is.,11
d-1A STRAINER EAR .ORd ea-1. 1El-RAINER SCREW GA S.A... STRAINER
CAR
REE,A.T AN. LEVER Add. BET
Fig. 3. Internal and sectional views of the Carter model "DRO" carburetor,
with two adjustments: for low speed and for high speed.
Fig. 4. Top view (left), showing throttle valve screw and air choker
assembly, and side view (right), showing throttle lever adjusting
screw and high-speed adjusting needle. The idle adjusting screw
is shown in Fig. 3.
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