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Service replacement parts list and tune-up data for the Stromberg AAV-26 Carburetor for 1940 Packard models.


Identifier  ExFiles\Box 122\3\  scan0216
Date  30th July 1939
  
PACKARD 1803 1940
STROMBERG AAV-26 CARBURETOR
STROMBERG NO. A-19172 (CODE NO. 10-40) PACKARD SYMBOL NO. 341717
SIZE: 1-1/4" DUAL D. {John DeLooze - Company Secretary} D. {John DeLooze - Company Secretary} 4-HOLE FLANGE
1940 PACKARD MODELS 1803-4-5 3-1/2"x4-5" 8-cyl.

PARTS ILLUSTRATED
1. Main Discharge Jet
2. High Speed Bleeder
3. Idle Air Bleeder
4. Idle Tube
5. Vacuum Power Passage
6. Vacuum Power Piston
7. Pump Fulcrum Arm
8. Pump Piston Link
9. Felt Dust Washer
10. Leather Packing
11. Dust Washer Spring
12. Spring Retainer Washer
13. Power By-Pass Jet Spring
14. Pump Piston
15. Piston Expansion Spring
16. Pump Relief Valve
17. Power By-Pass Jet
18. Pump Inlet Check Valve
19. Pump Inlet Strainer
20. Pump By-Pass Jet
29. Main Discharge Jet Plug
22. Main Metering Jet
23. Sec. Idle Air Bleed
24. Idle Needle Valve
25. Idle Discharge Holes
26. Vacuum Spark Connection
27. Throttle Valve
28. Primary Venturi
29. Auxiliary Venturi
30. Float
31. Float Lever
32. Float Needle Valve Clip
33. Float Fulcrum Pin
34. Float Needle Valve
35. Float Needle Valve Seat
36. Float Hanger Gasket
37. Float Hanger
38. Gasoline Inlet Conn.
39. Gasoline Strainer
40. Float Chamber Vent
41. Choke Valve
42. Automatic Choke
43. Vacuum Passage
43. Thermostat
44. Screen
45. Hot Air Tube Conn.
46. Pump Dis. Nozzle
47. Throttle Stop Screw
48. Pump Rod
49. Fuel Level Sight Plug
50. Fast Idle Rod

SERVICE REPLACEMENT PARTS LIST
Bin No. Location Key No. | Part No. | Part Name
1 | * | P-22499 | Float Needle Valve Clip & Seat .101”... (NOT VAR.)
2 | | P-23956 | Complete Gasket Set... (NOT VAR.)
3 | | P-23742 | Pump By-Pass Jet No. 63... (NOT VAR.)
*4 | | P-24638 | Pump Piston Link and Spring (Complete)
5 | | P-19198 | Throttle-Pump Rod Link
6 | | P-18144 | Pump Inlet Check Valve
7 | | P-19179 | Pump Relief Valve
8 | | P-19448 | Gasket—Power and Pump By-Pass Jets
9 | | P-18456 | Vacuum Power Piston
10 | | P-15478 | Idle Needle Valve
11 | | P-18710 | Spring—Idle Needle Valve
12 | | P-18442 | Meeting Jet .050"
13 | | P-23367 | Main Discharge Jet No. 32
14 | | P-18193 | Stud with Cover
15 | | P-2888 | Gasket—Float Needle Valve Seat
16 | | P-22885 | Gasket—Air Horn
17 | | P-23240 | Gasket—Main Body
18 | | P-23291 | Idle Tube
19 | | P-23737 | Plug—Main Discharge Jet
20 | | P-22851 | Gasket—Main Discharge Jet Plug
21 | | P-1755 | Lockwasher—Main Body Attaching Screw
22 | | P-18772 | Lead Ball
23 | | P-22439 | Pin—Fulcrum—Float Lever
24 | | P-22513 | Screw—Air Horn Attaching
25 | | P-6668 | Lockwasher—Air Horn Attaching Screw
26 | | P-282 | Washer—Main Body Attaching
28 | | P-19103 | Screw—Throttle Stop
29 | | P-6824 | Spring—Throttle Stop Screw
*30 | | P-24777 | Throttle Valve and Shaft
*31 | | P-24107 | Throttle Valve (2) ... (NOT VAR.)
32 | | P-23308 | Screw—Throttle Valve Attaching
33 | | P-17338 | Gasket—Check Valve Plug
34 | | P-18918 | Plug—Check Valve
35 | | P-17380 | Felt Washer—Pump Link
36 | | P-17069 | Washer—Leather—Pump Link
37 | | P-23843 | Spring—Felt Retainer
38 | | P-23842 | Washer—Cup
39 | | P-22494 | Washer—Spring Retainer
40 | | P-5222 | Screw—Choke Valve Attaching
41 | | P-23813 | Choke Valve
42 | | P-23869 | Choke Strip and Lever
*43 | | P-24640 | Assy.—Air Horn
*44 | | P-24638 | Assy.—Main Body 1-1/8" Venturi No. 70 High Speed Bleeder No. 52 Idle Air Bleed—Pump Discharge Tubes... (VAR.)
45 | | P-24641 | Assy.—Throttle Body No. 52-56 Idle Disch. Holes No. 36 Idle Air Bleed... (VAR.)
46 | | P-22430 | Pump Rod
47 | | P-22620 | Fast Idle Rod
48 | | P-9395 | Washer—Pump Rod
49 | | P-20911 | Spring Washer—Pump Lever Fulcrum Screw
50 | | P-20170 | Screw—Pump Lever Fulcrum
51 | | P-7170 | Cotter Pin—Pump Rod and Pump Link
52 | | P-19430 | Wedge—Pump Discharge Tube
53 | | P-23965 | High Speed Bleeder No. 70
54 | | P-23245 | Tube—Pump Disch. (Right) No. 65... (NOT VAR.)
54 | | P-23246 | Tube—Pump Disch. (Left) No. 65... (NOT VAR.)
55 | | P-22441 | Strainer—Gasoline
56 | | P-23312 | Float Hanger
57 | | P-22823 | Clip—Float Needle Valve
58 | | P-24088 | Spacer—Fast Idle Cam Spring
59 | | P-6406 | Plug—Fuel Level Sight
60 | | P-18489 | Plug—Idle Disch. Hole
61 | | P-6405 | Plug—Strainer
62 | | P-24263 | Lead Plug—Vac. Spark Control Channel
63 | | P-23390 | Fast Idle Cam
64 | | P-23395 | Fast Idle Cam Lever
*65 | | P-23393 | Unloader Cam
*66 | | P-23394 | Fast Idle Cam
67 | | P-23974 | Ring—Fast Idle Snap
68 | | P-23396 | Spring—Fast Idle Cam
69 | | P-23536 | Idle Air Bleeder—Thro. Body
70 | | P-23296 | Assy. Choke Housing
71 | | P-23297 | Gasket—Auto Choke Housing
72 | | P-23301 | Screw—Auto Choke Housing Attaching
73 | | P-23831 | Vacuum Piston with Lever and Link
74 | | P-23833 | Washer—Thermostat Lever Adj
75 | | P-17795 | Lockwasher—Vac. Piston and Link Attach. Nut
76 | | P-16571 | Nut—Vac. Piston and Link Attaching
77 | | P-23812 | Cotter Pin—Fast Idle Rod
78 | | P-23932 | Washer—Therm. Cover Assy. Attach.
79 | | P-2868 | Screw—Therm. Cover Assy. Attach.
80 | | P-23934 | Thermostat Cover Assy. with Strainer
86 | | P-23858 | Strainer—Pump Inlet Check Valve
87 | | P-23927 | Screen—Thermostat
*Indicates New Part.

Note: Specifications below are for latest production; previous major changes listed on Parts Page.
FUEL LEVEL—Measure 5/8" below top surface of float chamber (without gasket) or level with bottom of level sight hole at 3 lbs. pressure. To correct fuel level, hold air horn in inverted position. Place Tool T-24971 on gasket. Tops of floats should be with tops of vertical guides, which will give approximate fuel level; change if necessary. Sides of floats should be tangent to guides of tool without drag.
MAIN METERING SYSTEM—Venturi 1-1/8"; Main Discharge Jet No. 32 P-23567 (Tool T-24967); High Speed Bleeder No. 70 P-23965. Main Metering Jet .050” P-19442 (Tool T-24924); Use Tool T-19099 Screwdriver for removing main jet plug. Main metering system controls the flow of fuel up approximately 65 to 70 M.P.H.
POWER SYSTEM—Power By-Pass Jet No. 54 P-21197 Power jet to come into operation at 4" to 6" of manifold vacuum, which is approximately 65 to 70 M.P.H. (Tool T-24733) used to remove vacuum power piston.
ACCELERATION—Pump Discharge Nozzles No. 65 in main body; Pump By-Pass Jet No. 63 P-23742.
Pump rod link set in maximum setting. Pump action takes place during acceleration period only.
IDLE SYSTEM Idle Discharge holes Nos. 52-56. With throttle valve fully closed and No. 56 drill in idle hole, edge of valve is located .040" + -.004" from No. 56 drill; Idle Air Bleed No. 36 P-23536 (in throttle body); No. 52 in main body; Idle tube No. 66 P-23527. Adjustment: Adjust to smooth running one barrel at a time, OUT to make richer and IN to make leaner; throttle at 7 to 8 M.P.H.
VACUUM SPARK CONTROL—With throttle fully closed and No. 58 drill in spark hole, edge of valve is located .012" + -.004" from No. 58 drill.
FLANGE GASKET—P-18165.
SPECIAL TOOLS REQUIRED—Use Packard complete Tool Kit SER-376 T-24733 Float. Adj. and power piston wrench T-24967 Main Discharge Jet Remover; T-24924 Main Metering Jet Wrench; T-24970 By-Pass Jet and Check Valve Tester; T-24972 Pump Capacity Burrette Gauge; T-24968 Handle. T-19099 Main jet plug screw-driver; T-24971 Float Gauge; T-25056 Auto-choke Step Gauge; T-25046 Choke Gauge; T-25047 Choke Lever Lock Nut Wrench.

MOTOR TUNE-UP DATA
SPARK PLUG—.026" to .030". Clean and adjust at regular intervals.
DISTRIBUTOR—.015". Breaker gap set .015". Replace if necessary.
IGNITION TIMING—With fuel compensator on distributor set at "zero" spark should occur in No. 1 cylinder 3-1/2° to 5° before T. D. {John DeLooze - Company Secretary} C. with standard Head and 2-1/2° to 4° before T. D. {John DeLooze - Company Secretary} C. with H. {Arthur M. Hanbury - Head Complaints} C. Head.
VALVES—Intake: Hydraulic take up. Exhaust: Hydraulic take up.
SERVICE RECOMMENDATION—Check heat control valve to see that it is free during its entire travel and that thermostat is properly positioned.

BENDIX PRODUCTS DIVISION OF BENDIX AVIATION CORPORATION, SOUTH BEND INDIA(Production 20 HP. with 4-speed box and Front Wheel Brakes)NA {Mr Nadin}
Page 4—Form 10C-639
Printed in U. S. A. {Mr Adams}
7-30-39—Form 10C-639—Page 1
  
  
From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).


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