Tappet Cover Plate, Removal, Installation, and
(2) Cleaning and inspection.
Drycleaning solvent normally has a flash point
of either 100 or 138 degrees F, depending-on the
type being used, but may flash at much lower tem-
peratures if contaminated with gasoline or jet
Avoid repeated and prolonged skin contact.
Do not use near open flame or excessive heat.
(a) Clean cover plate and accessible metal parts with
drycleaning solvent (item 1, App. F), and dry thoroughly.
(b) Measure valve clearance as outlined in (B, fig.
4-25) and inspect for defective valve springs, tappets, rotators, and
Install tappet cover plate and secure
with screw (A, fig. 4-25).