TM 10-4930-204-13Figure 4-25.Tappet Cover Plate, Removal, Installation, andClearance Measurement.(2) Cleaning andinspection.Drycleaning solvent normally has a flash pointof either 100 or 138 degrees F, depending-on thetype being used, but may flash at much lower tem-peratures if contaminated with gasoline or jetfuel.Avoid repeated and prolonged skin contact.Do not use near open flame or excessive heat.(a) Clean cover plate and accessible metal parts withdrycleaning 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, andseats.(3) Installation.Install tappet cover plate and securewith screw (A, fig. 4-25).4-48
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