3. With a 57/64 inch drill, and Willard jig Z-94 (Fig. 280), drill down to release the post from the cover insert.

4. In reassembling, build the post up to a height of 1-5/16 inches above the top of the plate strap, using Willard post builder Z-93 (Fig. 281).

5. After removing the post builder, bevel the top edge of the post with a file, as indicated at "A" (Fig. 281). Then replace plates in the jars.

6. File off tops of cover inserts at "A" (Fig. 282), to a height of 3/16 inch above the cover. Also remove any roughness on surface "B" caused by pliers when cover was removed.

7. Put on the covers so that their tops will be 1/32 inch above the top edge of the jars, tapping them lightly with a small hammer.

8. Place Willard burning form Z-87 (Fig. 283) over the post and cover insert and burn the post to the insert.

9. Remove form Z-87 and thoroughly brush off the top of the post stub. Then build up the stub post, using Willard burning form Z-88 on the positive posts and form Z-89 on the negative posts (Fig. 284).