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HOLLY MODEL 4150

Carburetor

Illustrated Parts Break Down

1) Choke Plate

2) Choke Shaft Assembly

3) Fast Idle Pick-up Lever

4) Choke Hsg. Shaft & Lev. Assy.

5) Choke Control Lever

6) Fast Idle Cam Lever

7) Choke Lev. & Swivel Assy.

8) Choke Therm. Lev., Link & Piston Assy.

9) Choke Rod Lev. & Bush. Assy.

10) Choke Plate Screw

11) Therm. Housing Clamp Screw

12) Throttle Stop Screw

13) Choke Lev. Assy.Swivel Screw

14) Choke Diaph. Assy., Brkt. Scr. & Lock Washer

15) Air Vent Clamp Screw & L.W.

16) Sec, Diaph. Assy. Cov. Scr. & L. W.

17) Fuel Bowl to Main Body Screw Primary

18) Fuel Bowl to Main Body Screw Secondary

19) Diaph. Lev. Adjusting Screw

20) Throt. Body Screw & Lock Washer

21) Diaph. Hsg. Assy. Scr. & Lock

22) Choke Hsg. Screw & L.W.

23) Dashpot Brkt. Scr. & L.W.

24) Fast Idle Cam Lever Adj. Screw

25) Fast Idle Cam Lev. Scr. & L.W.

26) Diaph. Lever Assy. Scr. & L. W.

27) Throt. Plate Screw Primary

28) Throt. Plate Screw Secondary

29) Pump Lever Adj. Screw

30) Pump Discharge Nozzle Screw

31) Fast Idle Cam Plate Screw & L. W.

32) Choke Cont. Wire Brkt. Clamp Scr.

33) Pump Cam Lock Screw

34) Fuel Pump Cov. Assy. Scr. & L. W.

36) Throt. Body Screw - Special

37) Fuel Valve Seat Lock Screw

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

39) Spark Hole Plug

40) Fuel Bowl Plug

41) Fuel Level Check Plug

42) Fuel Level Check Plug Gasket

43) Fuel Inlet Fitting Gasket

44) Fuel Valve Seat Gasket

45) Fuel Bowl Screw Gasket

46) Sec. Diaph. Housing Gasket

47) Choke Housing Gasket

48) Power Valve Body Gasket

49) Choke Therm. Housing Gasket

51) Fuel Valve Seat Adj. Nut Gasket

52) Fuel Valve Seat Lock Scr. Gasket

53) Thirst. Body Screw Gasket

 
HOLLY MODEL 4150 Exploded View

54) Pump Discharge Nozzle Gasket

55) Metering Body Gasket Primary

56) Metering Body Gasket Secondary

57) Fuel Bowl Gasket

58) Throttle Body Gasket

59) Fuel Bowl Plug Gasket

60) Fuel Inlet Filter Gasket

61) Flange Gasket

62) Throttle Plate - Primary

63) Throttle Plate - Secondary

64) Throt. Body & Shaft Assy.

65) Fuel Line Tube

67) Idle Adjusting Needle

68) Float & Hinge Assembly Primary

69) Float & Hinge Assy Secondary

70) Float Hinge Adapter

71) Float Lever Shaft

72) Fuel Inlet Valve & Seat Assy

73) Pump Lever Adj. Scr. Fitting

74) Fuel Inlet Fitting

75) Fuel Transfer Tube Fitting

76) Fuel Inlet Tube & Fitting Assy

77) Pump Discharge Nozzle

78) Main Jet - Primary

79) Main Jet Secondary 80) Bowl Vent Valve

81) Air Vent Valve

82) Pump Discharge Needle Valve

83) Power Valve Assy Primary

84) Power Valve Assy - Secondary

85) Fuel Line Tube "O" Ring Seal

87) Fuel Valve Seat "O" Ring Seal

88) Idle Needle Seal

89) Choke Rod Seal

90) Diaphragm Hsg. Check Ball - Sec.

91) Pump Inlet Check Ball or Valve

92) Throt. Lev. Ball

93) Pump Discharge Check Ball

94) Choke Diaph. Assy. Link

95) Sec. Diaph. Housing Cover

96) Back-up Plate & Stud Assy.

97) Fast Idle Cam Plate

99) Air Vent Cap

100) Choke Hsg. & Plugs Assy.

101) Main Metering Body & Plugs Assy. Primary

102) Main Metering Body & Plugs Assy. - Secondary

103) Fuel Pump Cover Assy

104) Fuel Bowl & Plugs Assy. Primary

105) Fuel Bowl & Plugs Assy. Secondary

106 to 205

 

The exploded view illustrates individual part placement in the assembly.