Carburetor: Service and Repair

1. Remove carburetor from engine. Invert carburetor and drain fuel into a suitable container.
2. Mount carburetor in holding fixture with manifold side of throttle body facing up.

Fig. 66 - Concealment Plug Removal:

3. Using a hacksaw, make two parallel cuts on either side of locator point beneath concealment plug--in the throttle body--Fig 66.

NOTE: Cuts should reach to concealment plug without extending more than 1/8 inch beyond locator point.

4. Drive a flat punch into throttle body--near ends of saw marks--at 45 angle, until casting breaks away--exposing concealment plug.

Fig. 66 - Concealment Plug Removal:

5. Drive center punch into concealment plug at 90° angle--Fig 66.
6. Hold punch at 45° angle and drive out concealment plug.
7. On carburetors with two mixture screws, repeat steps 3-6 for remaining screw.
8. Install carburetor, connect vacuum hoses and linkages. Install air cleaner.