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Illustrated Parts Break Down


106) Sec. Diaph. & Rod Assy. 
107) Pump Diaphragm Assy.
108) Choke Diaph. Assy.
         Complete
109) Sec. Diaph. Link Retainer
110) Air Vent Rod Spring 
         Retainer 
111) Float Retainer
112) Air Vent Valve Retainer 113) Choke Control Lever Retainer 114) Fast Idle Cam Plunger Spring 115) Fast Idle Cam Lever Screw Spring
116) Throt. Stop Screw Spring 117) Secondary Diaphragm Spring 118) Pump Diaphragm Return Spring 119) Fast Idle Cam Lever Spring 120) Pump Lever Adj. Screw Spring 121) Air Vent Rod Spring 122) Pump Inlet Check Ball Retainer Spg. 123) Choke Spring 124) Float Spring - Primary & Secondary
125) Fuel Inlet Filter Spring 126) Choke Cont. Wire Brkt. Clamp Screw Nut 127) Choke Thermostat Shaft Nut 128) Choke Control Lever Nut 129) Back-up Plate Stud Nut 130) Throt. Lever Ball Nut 131) Dashpot Nut 132) Fuel Valve Seat Adjusting Nut 133) Choke Thermostat Lever Spacer 134) Pump Check Ball Weight 135) Pump Cam 136) Fast Idle Cam Assembly 137) Fast Idle Cam & Shaft Assembly 138) Choke Rod 139) Throttle Connecting Rod 140) Air Vent Push Rod 141) Throt. Lever Ball Nut Washer 143) Choke Shaft Nut Lock Washer 144) Choke Cont. Lev. Nut L.W. 145) Back-up Plate Stud Nut L.W. 146) Throt. Connector Pin Washer 147) Choke Spring Washer 149) Therm. Housing Assy. Complete 150) Throttle Connector Pin Retainer 151) Choke Rod Retainer 152) Throt. Connecting Rod Cotter Pin 153) Choke Cont. Wire Bracket Clamp 154) Thermostat Housing Clamp 155) Choke Control Wire Brkt. ** Choke Pump Rod Spring 156) Dashpot Bracket 157) Air Vent Rod Clamp 158) Fast Idle Cam Plunger 159) Choke Vacuum Tube 160) Fuel Transfer Tube 161) Filter Screen 162) Dashpot Assembly 163) Baffle Plate - Primary 164) Baffle Plate- Secondary 165) Metering Body Vent Baffle 166) Float Shaft Retainer Bracket 167) Fuel Inlet Filter 168) Diaphragm Lever Assy. 169) Pump Operating Lever 170) Pump Operating Lever Retainer 171) Secondary Diaphragm Housing 172) Throt. Shaft Brg. Pri. &
Sec. (Ribbon) 173)Throt. Shaft Brg. Pri. & Sec. (Ribbon) 174) Throt. Shaft Brg. - Pri. (Solid) 175) Plug- Fuel Bowl Drain ** Choke Heat Tube 176) Pump Oper. Lever Stud 177) Vent Valve Screw & L.W. 178) Solenoid Bracket Screw & L.W. 179) Solenoid Bracket Screw & L.W. 180) Throttle Lever Extension Screw 181) Vacuum Tube Plug 182) Spark Tube Plug 183) Emission Tube Plug 184) Throttle Lever Extension 185) Cam Follower Lever 186) Tube & "0" Ring Assy. 187) Four Way Pipe Connector 188) Vent Valve Body 189) Fuel Bowl Filler 190) Metering Body Filler 191) Vent Valve Spring 193) Throttle Lever Extension Nut 194) Solenoid Bracket Screw Nut 195) Pump Operating Lever Screw Sleeve 196) Throttle Lever Extension Lock Washer 197) Dashpot Lock Washer 198) Vent Valve Clamp Assy. 199) Solenoid Bracket 200) Choke Vacuum Hose
201)Modulator Assy. 202) Solenoid Assy. 203) Cam Follower Retainer 204) "T" Connector 205) Choke Thermostat Lever
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HOLLY MODEL 4150
HOLLY MODEL 4150 Exploded View


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

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