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HOLLY MODEL 1931

Carburetor

Illustrated Parts Break Down

1) Choke Plate Assy.
  
2) Choke Shaft Assy.

3) Throttle Stop 
Screw
 
4) Metering Block 
Scr. & L.W.

5) Float Bowl Scr.
& L.W.

6) Choke Plate
Screw & L.W.

7) Throttle Plate
Scr. & L.W

8) Choke Piston 
Adjusting Screw

9) Fast Idle Cam
Screw
10) Metering Block
Scr. & L.W.

11) Float Shaft 
Brkt. Scr. & L.W.

12) Vent Rod 
Retainer Screw

13) Throttle 
Adjusting Screw

14) Choke Piston
Plug

15) Fuel Inlet Seat
Gasket

16) Flange Gasket

17) Fuel Bowl 
Gasket

18) Throttle Plate

19) Throttle Lever
& Shaft Assy.
20) Throttle Shaft
Bearing

21) Idle Adjusting
Needle
 
22) Float & Hinge 
Assy.

23) Float Shaft

24) Fuel Inlet
Needle & Seat
Assy

25) Main Jet

26) Mechanical
Vent Valve

27) Pump 
Diaphragm Assy. 
Complete

28) Pump 
Operating Link
29) Float Bowl

30) Metering Block
& Plugs Assy.

31) Power Valve
Retainer

32) Idle Adjusting
Needle Spring

33) Fast Idle Screw
Spring

34) Mechanical Vent
Spring 

35) Pump Drive
Spring

36) Throttle Stop 
Screw Spring
 
37) Fast Idle Cam

38) Fast Idle Rod
 
face="Verdana, Arial, Helvetica, sans-serif" size="4">HOLLY MODEL 1931 Exploded view
41) Mechanical Vent 
Rod Ret. Washer

42) Vent Rod 
Operating Washer

43) Fast Idle Rod 
Washer

44) Mechanical Vent 
Spring Washer

39) Mechanical Vent
Rod

40) Choke Piston &
Link Assy.

45) Pump Link 
Retainer
46) Choke Piston 
Link Cotter
       Pin

47) Float Shaft
Retaining Bracket

48) Pump 
Operating Lever

49) Pump 
Operating
Lever Retainer

 50) Choke 
Thermostat Hsg. 
Assy.

51) Choke Lever
52) Choke Therm.
Cov. Retainer Scr.

53) Choke Lever 
Screw

54) Dashpot Bracket
Screw
 
55) Thermostat 
Housing Gasket

56) Pump Push Rod
Sleeve Ball

57) Thermostat
Cover Retainer

58) Pump Operating
Spring

59) Throttle Return 
Spring
60) Dashpot Nut

61) Pump Push Rod
Sleeve

62) Dashpot Bracket
Lock Washer

63) Pump Operating
Link Washer

64) Thermostat & 
Cover Assy.

65) Dashpot 
Bracket

66) Dashpot 
Assembly
 

The illustrated parts break down illustrates individual part placement in the assembly.