B3.9 and B5.9 Series Engines
Section 4 - Cam Followers/Tappets - Group 04
Wear appropriate eye and face protection when using
compressed air. Flying debris and dirt can cause bodily
Clean tappets with a strong solution of detergent.
Dry with compressed air.
Inspect for Reuse (004-015-007)
Anytime a new camshaft is installed, new tappets and
push tubes must also be installed.
If some of the tappets are found to be in need of re-
placing, the corrresponding push tubes must also be
replaced. Failure to do so can cause severe engine
Inspect the socket, stem, and face for excessive wear,
cracks, and other damage.
(A) - Normal Contact (exaggerated)
(B) and (C) - Irregular Contact: Do not reuse.