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1945 Willys Agri-Jeep
Page 2 CARTER CARBURETOR CORPORATION, ST. LOUIS, MO., U. S.
A.
SERVICE INSTRUCTIONS — Carburetor No. 596S
TO DISASSEMBLE
Remove carbureter from motor. Use Carter Tool Kit.
I. Remove choker link pin spring, choker connector link and spring.
2. Remove air horn assembly with all parts attached.
3. Remove low speed jet plug and gasket assembly.
4. Remove low speed jet.
5. Remove throttle shaft arm and screw assembly and throttle connector rod.
6. Remove bowl cover with all parts attached.
7. Remove pump spring from pump cylinder in body.
8. Remove idle well plug and gasket assembly.
9. Remove idle well jet.
0. Remove idle adjusting screw and spring.
I I. Remove metering rod jet and gasket assembly.
12. Remove nozzle passage plug and gasket assembly.
Fig. I
3. Remove nozzle retainer plug.
4. Remove nozzle and nozzle gasket, using tool T109-55.
15. Remove body flange attaching screws and then remove flange from body.
6. Remove strainer passage plug and gasket assembly and strainer. 17. Remove
intake ball check assembly.
8. Remove discharge disk check assembly.
19. Remove pump jet passage plug and gasket assembly.
20. Remove pump jet.
21. Remove throttle valve screws, throttle valve, retainer plate and throttle
shaft and lever assembly.
22. Remove idle port rivet plug.
23. Remove choke tube bracket assembly.
24. Remove choker valve screws, choker valve and choker shaft and lever assembly.
25. Disassemble all parts from bowl cover.
Clean all castings thoroughly inside and out with a small brush and clean
gasoline, or suitable solvent cleaner. Then blow all passages out with compressed
air.
A. Group all parts controlling the gasoline level.
B. Group all low speed circuit parts.
C. Group all high speed circuit parts.
Fig. 2
D. Group all pump circuit parts.
E. Group all choke system parts.
Examine each part in each group and replace those parts that show sign of
wear or damage. •Clean all parts in gasoline and blow off with compressed
air. If any carbon is in the bore of the flange, remove it by scraping or
with sandpaper (do not use emery cloth). Install all parts tight.
TO REASSEMBLE
Assemble parts in group "A"
26. Install needle seat in bowl cover. Install bowl cover gasket. Put pin
and spring into needle and install in seat; then instal float and lever assembly.
27. Set float level. Turn gasket around so gauge can be placed on machined
surface of casting. Correct setting is 3/8". (Use tool T109-80.) Do
not depress float lip against spring in needle, but let float rest of its
own weight. Gauge should then be placed between free end of float and machined
surface of bowl cover. Float should be set so it barely touches gauge. Adjustment
is obtained by bending the lip on float which contacts pin in needle. Do
not bend on front of float in adjusting, as damage will result.
Fig. 3
Choke Valve Idle Bleed
By-pes,
Low Speed Passage Plug and Gasket Ass'y Bowl Cover Gasket
Economiser
Low Speed Jet Idle Well Jet
Idle Adjustment Screw
Idle Adjustment Screw Spri
Idle Port Rivet Plug
Throttle Valve
THE LOW SPEED CIRCUIT
Choke Volvo
Metering Rod Pin Washer Metering Rod Spring Nosde Gasket
CONVERSION FROM MANUAL TO GOVERNOR OPERATION
The conversion from manual to governor control is very simple. Procedure
is as follows:
I. Remove screw "A," Fig. 7.
2. Connect governor
control rod to ball
connector "B,"
Fig. 8.
3. Pull hand throttle control to wide open position. Governor can be made
inoperative by closing hand throttle.
Fig. 7 Fig. 8