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Form 6557—Canadian
CARTER CARBURETOR CORPORATION. ST. LOUIS, MO., U. S. A.
FRAZER 622S-622SA August, 1947
FRAZER
SIX
MODEL F-47
1947
( 622S Superseded by 622SA )
Casting Number 309 on Face of Flange
WA-I Down-Draft Carbureters 622S-622SA, With Climatic Control—List
Price $31.90
A $6.25 exchange allowance is deducted from the list price if buyer turns
in old carbureter.
CARBURETER SPECIFICATIONS
622S (EARLY PRODUCTION), 622SA (LATE PRODUCTION)
CAR SERIAL NUMBER
F-47 — 001278
For Six Cylinder Engine, 3-5/16
Dimensions: Flange size, 11/4 inch S. A. E. Primary venturi, 11/32 inch
I. D. Secondary venturi, II/16 inch I. D. Main venturi, I 3/8 inch I.
D.
Float Level: Distance from seam of float (at free end) to tip on lower
edge of float chamber cover, when needle is seated, to be 3/8 inch for
622S and 1/2 inch for 622SA.
Movement of float at free end (float drop) to be 1/2 inch. Vents: Outside,
No. 10 drill. Inside, none.
Gasoline Intake: Square verticle needle. Size No. 38 drill hole in needle
seat.
Gas Line Connection: 1/4 inch Weatherhead elbow.
Low Speed Jet Tube: Jet size, .028 inch diameter. By-pass, size No. 54
drill.
Economizer, .0755-.0765 inch diameter.
Idle bleed, size No. 50 drill.
Idle Port: Length, .175 inch; width, .030 inch.
Idle Port Opening: .133 to .137 inch above edge of valve with valve closed
tight.
Idle Screw Seat: No. 46 drill.
Set Idle Adjustment Screw: 3/4 to 13 turns open. For richer mixture turn
screw out. Do not attempt to idle engine below 8 m. p. h. (Slow idle
free engine idle speed is between 525 and 555 r. p. m.)
Inch Bore; 4-3/8 Inch Stroke
Main Nozzle. In primary venturi, angle 45°. Closed tip. Inside aiameter
No. 30 drill. Upper hole: .021 inch diameter on 45' angle. Lower hole: .0945
inch diameter on 70° angle.
Metering Rod: (Vacumeter Type) Economy step, .073 inch diameter; power
step. .050 inch diameter. Length 3-9/64 inches.
Metering Rod Jet: .099 inch diameter.
Metering Rod Setting: Use gauge, part No. T109-102 (2.468 inches).
Accelerating Pump: High pressure type with adjustable pump s - roke.
Pump discharge jet, size No. 67 drill.
Relief passage (to outside), size No. 42 drill.
Intake ball check, size No. 55 drill.
Discharge ball check, size No. 32 drill.
Plunger Travel: 18/64 inch plunger travel (full throttle position). Medium
stroke. Use gauge No. T109-I 17S.
Choke: Carter Climatic Control, set on index. Butterfly type. offset
valve. Choke heat suction hole in body, size No. 35 (.110") drill.
Vacuum Spark Port: .051 to .054 inch diameter. (622S) Top of port .035
to .040 inch above top edge of valve. (622SA) Top of port .033 to .043
inch above top edge of valve.
Motor Tune-Up—Be Accurate! Always Use Feeler Gauges! .
CAUTION: Change worn or leaky flange gaskets. Tighten manifold bolts
and test compression before adjusting carbureter.
Spark
Plug Gap
.032"
set
Breaker Points
.020" to
.024"
Use Timing Light
Breaker Points to Open
T.D.C.
Copyright 1947
by Carter Carburetor Corporation All Rights Reserved
VALVE CLEARANCE
Set Valves
COLD
Intake .014"
Exhaust .014"
Idle Adjustment Screw Setting
3/4 to I% Turns Open
Correct Float Level
(Measure from
machined surface of
small projection to
top of seam)
% Inch (622S)
l2 Inch (622SA)
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