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SU - HD

For HD type carburettor's with brass floats carry out this procedure. The correct way to set the float level is to hold the float chamber lid inverted with needle valve held in the shut-off position by the float arm only. In this position a 7/16" rod should fit between the float arm and the top of the lid.

Item No.

Description

Item No.

Description

Item No.

Description

1 Body front 48 Float chamber lid washer 73B Bracket-thermostat attachment
1A Body rear 50 Serrated fibre lid washer 73C Washer-fibre
2 Adaptor-auto-ignition 51 Aluminium lid washer 73D Thermostat switch
2A Union-auto-ignition 52 Float 73E Thermostat choke body assembly
3 Gasket-adaptor-plate 53 Needle and seat assembly 73F Dust shield
4 Suction chamber & piston assembly 55 Float hinge lever 73H Thermostat arm
5 Oil cap damper assembly 56 Float hinge lever pin 74 Thermostat needle assembly
7 Thrust washer-piston spring 57 Piston lift pin 75 Conical spring
8 Washer-oil cap assembly 58 Circlip-piston lift pin 76 Screw-bridge plate
9 Piston spring 59 Spring-piston lift pin 78 Spring finger
10 Screw- suction chamber 60 Filter 79 Accelerator jet -thermostat
12 Jet needle 61 Banjo bolt 81 Throttle spindle ( F C R )
13 Locking screw-jet needle 61A Banjo bolt-float chamber 82 Throttle disc
15 Jet diaphragm assembly 63 Fibre washer 83 Throttle disc screws
15A Jet bearing 64 Cap nut-float lid 89 Throttle lever (brass)
15B Jet bearing screw 65 Washer-neoprene-piston lift pin 90 Bolt (2 B.A.)-throttle lever
15C Jet spring 66 Washer-brass-piston lift pin 91 Taper pin
22 Jet housing assembly 67D Fibre washer 92 Throttle stop
37 Nut (2B.A.)-throttle lever 69 Solenoid (12 volt ) 93 Spring-stop screw
38 Washer-plain 69A Moulded end cap 94A Stop screw
46 Float chamber ( F C R ) 71 Plunger assembly 95 Slow run adjusting valve
46A Bolt-2 B.A. 72 Spring-accelerator needle 95A Gland spring
46B Shakeproof washer 73 Securing strap 95B Solid neoprene gland washer
47 Float chamber lid (F C R ) 73A Clamp screw-solenoid 95C Brass dished washer