Carburetors for old Dodge Trucks : DODGE TRUCKS 1939 1940Previous | Home | Next |
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F Form 6511-Canadian
Replacing Form 6480B .
DODGE TRUCKS 1939 1940
November, 1944
Reprinted April, 1946
CARBURETER INDEX AND PRICE LIST
Year Carbureter Car Model List Exchange
Numbers Price Allowance
1939 DTAI-DTA2 TC-TD-TE Sup. by DTB3R
1939 ETN I -ETN2 TF-TH Sup. by ETRIR
1940 DTA2 DBI up to 9-916-188 Sup. by DTB3R
1940 DTBI DBI after 8-916-188
DB2 after 8-921-702 except 8-921, 703, 4, 8, I I,
13, 18, 19, 20
8-921-722, 26, 35, 36, 37, 52, 57, 58, 63 Sup. by DTB3R
1940 ETP2 083 up to 8-927-692 also on 8-927-693, 4, 6
8-927-702, 3, 9, 10, II, 12
084 up to 8-946-942 also on 8-946-987
8-947-005, 6, 7, 8, 9, II224, 26, 28
DB6 up to 90-002-133 Sup. by ETRIR
DB7 up to 90-005-110
1940 ETRI DB3 after 8-927-692 except 8-927-693, 4, 6
8-927-702, 3, 9, 10, II, 12
DB4 after 8-946-942 except 8-946-987
8-947-005, 6, 7, 8, 9, II, 24, 26, 28
DB6 after 90-002-133
DB7 after 90-005-110 Sup. by ETR I R
1940 ETRIR (See Note Below (t) $29.40 ! $5.00
iWhen using this Carbureter to replace ETRI, use gas line connection No. 156-29,
packed in carton with Carbureter. When if is used to replace Carbureters ETN
I-N2-P2, no additional parts are needed.
MOTOR TUNE-UP-BE ACCURATE! ALWAYS USE FEELER GAUGES!
CAUTION: Change worn or leaky flange gaskets. Tighten manifold bolts and test
compression before adjusting carburefer.
WHEN MOTOR IS
AT OPERATING
TEMPERATURE
VALVE CLEARANCE ---~
SPARK SET VALVES SET
PLUG BREAKER IGNITION TIMING Hof FLOAT LEVEL IDLE ADJUST-
GAP POINTS (Remove Gasket) MENT SCREW
.025" .020" (See Chart Below) Intake .008" 5/64" I/2 to II
/4
Exhaust
.012"
Turns Open
IGNITION TIMING
Model TC..._-_ ...I° or .001" B.T.D.C. Model TF
Models TD-DBI-DB2-DB6-DB7 T.D.C. Model DB3-DB4...
Model TE_..-__ 2° or .002" B.T.D.C. Model TH._._
CARBURETER ADJUSTMENTS
DODGE TRUCKS
1939-1940
Figure shows 1940 Carbureter, No. ETRIR
4° or .007" B.T.D.C. 4° or .006" B.T.D.C. 6° or .016" B.T.D.C.
If carbureter loads up after considerable service, check float level. Wear on
lip of float lever will raise float level. Before adjusting float, be sure float
lever pin plug is firmly seated. Reset float level by bending lip of float lever
away from needle to raise level, or bending lip toward needle to lower float
level. Bend vertical lip of float only.
If motor stalls while idling, set throttle lever adjusting screw so motor runs
approximately 300 rpm. Then set idle adjustment screw as instructed above. If
these adjustments do not correct the trouble, remove idle orifice tube and plug
assembly and clean with compressed air.
If acceleration is not satisfactory remove pump jet and clean with compressed
air. Also examine pump link setting. Pump link has three holes giving short,
medium and long strokes. If link is set to short stroke, reset to give longer
stroke to pump piston. In hot weather, high altitudes, or when high test gasoline
is used, connect pump link in inner hole giving shorter stroke.
Pump adjustment: Remove air horn assembly, back out throttle adjustment screw,
and place pump operating link in center hole of throttle shaft arm. Adjustment
can be made by bending horizontal portion of pump connector link, sothat tip
of pump plunger shaft contacts lip or indicator on pump stroke gauge T109-1175.
Correct travel is 24/64" on IIT=1]-ItTA2 and 26/64" on ETN1-ETN2-ETP2-ETR1-ETRIR.
Maximum economy is secured only when breaker points, spark plugs, valves and
motor timing are set to manufacturer's specifications. After motor is properly
tuned, the following should also be done to insure satisfactory performance and
economy:
(a) Float level must be set as above.
(b) Ball check in step-up valve assembly must seat and move freely. When reassembling,
valve housing must be screwed in tight against seat.
(c) Step-up push rod must move freely in upper and lower guides.
(d) Step-up piston in upper casting should not bind and must be free of dirt.
(e) Main metering screw can be replaced with leaner than standard metering screws,
for altitude or high test fuel.
Caution: Do not attempt to gauge metering jets with drills. These jets have been
flow-tested, to insure correct fuel flow.
Copyright 1944