WEBER 40 IDA / 46 IDA 3C 3C1 3 bbl Diagram

Weber 40 IDA 3C 46 IDA 3C
WEBER 40 IDA 46 IDA 3c 3c1

KEY NO. QTY DESCRIPTION PART NUMBER KEY NO. QTY DESCRIPTION PART NUMBER
1 1 Carburetor Cover 31726.002 44 1 Spring Pin 58445.001
2 6 Stud 64970.002 45 3 Throttle Plate-40mm 64005.087
3 3 Air Intake 52845.005 45A 3 Throttle Plate-46mm 64005.006
4 6 Nut 34725.003 46 6 Screw 64520.027
4 10 Nut 34725.003 47 1 Nut 34715.014
5 2 Needle Valve

79508.175

48 1 Washer 55520.002
6 2 Gasket 41530.035 49 1 Throttle Lever 40 IDA 3C1 45034.028
7 2 Plug 61002.005 49A 1 Throttle Lever 46 IDA 3C1 45034.007
8 2 Gasket 41530.004 50 1 Throttle Lever 40 IDA 3C 45034.027
9 1 Filter Body 10356.005 50A 1 Throttle Lever 46 IDA 3C 45034.011
10 1 Filter body 10356.002 51 1 Washer 55555.019
11 1 Gasket 41710.001 52 1 Spring 47610.071
12 2 Filter Gauze 37022.001 53 1 Spring 47600.060
13 2 Gasket 41530.001 53A 3 Spring 47600.060
14 2 Plug 12715.014 54 1 Throttle Adjusting Screw 64590.005
15 2 Float 41015.007 55 3 Progression Hole Inspection Screw 61015.009
16 9 Stud 64955.012 56 3 Nut 34705.001
17 2 Gasket 41530.017 57 3 Air Adjusting Screw 64750.002
18 2 Fulcrum Screw 64900.012 58 3 Choke fixing Screw 64840.003
19 1 Spring 47610.072 59 3 Gasket 41540.001
20A 1 Shaft 40 IDA 3C1 10015.419 60 3 Main Jet 73801*
20B 1 Shaft 46 IDA 3C1 10015.458 61 3 Jet Holder 52590.001
20C 1 Shaft-oversize(40 & 46mm) 10016.442 62 3 Idling Mixture Adjusting Screw 64750.004
21A 1 Shaft 40 IDA 3C1 10015.415 63 2 Gasket 41530.008
21B 1 Shaft 46 IDA 3C 10015.457 64 2 Plug 61002.006
21C 1 Shaft-oversize(40 & 46mm) 10016.443 65 3 Idling Jet 74403*
22 2 Stud 64955.011 66 3 Jet Holder 52570.005
23 2 Stud 64955.017 67 3 Choke-46 IDA 71504*
24 1 Spring 47600.128 67A 3 Choke-40 IDA 71502*
25 1 Pump Valve 64190.004 68A 3 Secondary Venturi 40 IDA 71103*
26 1 Diaphragm 47405.011 68 3 Secondary Venturi 46 IDA 71104*
27 1 Pump Body 39174.002 69 3 Gasket 41530.012
28 1 Spring 47600.012 70 3 Pump Jet 76201*
29 1 Diaphragm 47407.010 71 3 Delivery Valve 64290.005
30 1 Pump Cover IDA 3C1 32486.009 72 1 Pump Exhaust Valve 79701*
31 1 Pump cover IDA 3C 32486.010 73 3 Emulsioning Tube 61440.151
32 4 Spring Washer 55525.007 74 3 Air Corrector Jet 77201*
33 4 Nut 34705.003 75 2 Gasket 41530.022
34 1 Tie rod 40 IDA 3C 61287.002 76 1 Stud 64955.005
35 1 Shaft Coupling 32272.001 77 1 Plate 52150.006
36 4 Screw 64600.001 78 2 Bushing 52130.010
37 3 Washer 55510.018 Not Shown 2 Top Cover Screen 46 IDA 37012.003
38A 1 Shaft 40 IDA 10005.407** Not Shown 4 Screw for Above 64700.007
38B 1 Shaft 46 IDA 10005.412**        
38C 1 Shaft-oversize(40 & 46mm) 10006.408        
39 2 Split Pin 32610.006     *   Calibrated Part  
40 1 Fulcrum Screw 64895.003     **  Replacement throttle shafts are not drilled for
41 1 Lever 45027.007     accelerator pump actuation  
42 1 Tie Rod 40 IDA 3C1 61287.001        
43 3 O-ring 41565.002     Rebuild Kit 92-3276-05


Original Specs 40/46 IDA 3 bbl

  40 46   40 46
Main Jets 125mm 170mm Emulsion Tubes F26 F24
Air Corrector  Jets 180mm 145mm Venturis 30mm 42mm
Idle Jets .55mm .70mm   Aux Venturis 4.50mm 4.50mm
Pump Jet .50mm .50mm Needle Valve    
Pump Exhaust Jet     Float Measurement    

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