2. Remove the valve levers and push rods (section 4).
Note: On engines with roller tappets, be sure to mark the front of each tappet before removing it (unless it already has a ridge or notch) so that the rollers will rotate in the same direction after installation. Also unscrew and remove the tappet guide retainer and tappet guides (see illustration).
3. The tappets are extracted from the holes in several ways. Special tools have been developed for gripping and extracting the tappets (Ford T70L - 6500 - A and similar), manufactured by various companies and widely available (see figure), but are not suitable in all cases.
4. On relatively new engines with light carbon buildup, the tappet can be removed with a small magnet or simply with your fingers. A straightedge with a curved end can be used to pull out tappets by sliding it under the retainer ring on the end of the tappet.
Caution: Do not use pliers to remove the tappets unless you are replacing them with new ones (along with the camshaft). Pliers can damage the polished, hardened surfaces of the tappets, rendering them useless. On engines with significant amounts of dirt and carbon deposits, move the tappets up and down, and use carburetor cleaner spray to remove the effects of dirt.
5. Clean them with solvent and dry thoroughly, then install them in order.
6. Check the walls, rod seat and bottom of each tappet for scratches, nicks, and intense wear. On flat (not roller) tappets, the foot of each tappet (the sliding surface on the camshaft lobe) should be slightly convex, although this is difficult to notice by eye.
If the tappet base is concave (see illustration), replace the tappets and camshaft. If the side surfaces are worn or damaged (which is unlikely), check the tappet holes in the engine block. If the rod seat is worn (see illustration), check the rod ends. In roller tappets, make sure the rollers rotate freely and their surfaces are not worn or damaged.
7. When installing new tappets, the camshaft must also be changed. And vice versa.
(Content was created using data from this website: Fordbook.ru)