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DISASSEMBLY

REMOVAL OF AIR INTAKE BODY

  1. Remove the large hex plug (3) and fiber washer (4) from the top of the air intake assembly (67) using a 13/16” wrench.
  2. Remove the six screws 6) and lockwashers (7) which attach the air intake assembly to the fuel bowl assembly.
  3. Raise the air intake assembly slightly and loosen the gasket from the fuel bowl and then lift air intake with gasket clear of the fuel bowl. Use care not to damage the float (10).

DISASSEMBLE AIR INTAKE BODY

  1. Invert air intake body and remove gasket (12) from air intake.
  2. Press small screwdriver against float axle (11) to push axle through slotted side of hinge bracket and then remove float assembly (10) and fuel valve needle (part of 9).
  3. Remove fuel valve seat (9) and fiber washer (8) from air intake, using wide blade screwdriver.
  4. Remove vacuum cylinder (63) with fiber washer (64).
  5. Remove idle adjusting needle (66) and spring (65) from side of air intake body (28-series only).
  6. Mark choke bracket and choke lever positions to insure correct re-assembly and then remove choke parts as follows:
    1. If choke plate screw is riveted, file off the threaded end flat and remove screw (1) and choke plate (2). Remove choke spring (77), (28-series only).
    2. Pull out choke shaft and lever assembly (74).
    3. Remove choke bracket screw (72) and choke bracket (69)

SEPERATE FUEL BOWL AND THROTTLE BODY

  1. Loosen main jet plug (26) or adjustable main jet (26) in fuel bowl assembly.
  2. Remove accelerating pump link retainer (28) and pump link (27).
  3. Remove the accelerating pump and rod assembly (13) from the pump cylinder.

NOTE: It may be necessary to file off any burrs or rough spots from the sides of the pump rod hole for the link before removing the assembly.

  1. Remove the two screws (48) and lockwashers which attach the fuel bowl assembly to the throttle body assembly, using a screwdriver.
  2. Separate the fuel bowl from the throttle body.