ARMY TM 9-2815-254-24
AIR FORCE TO 38G1-94-2
Install valve seat inserts (17 and 18, FIGURE 3-60) as follows:
(1) Place valve seat insert in position and carefully place attachment (1, FIGURE 3-75), having a smaller OD
than valve seat insert, on valve seat insert (2).
Smooth side of attachment must contact insert.
Do not apply an excessive amount of pressure with press. Damage to
valve seat insert will result.
(2) Use an arbor press (3) to gradually apply pressure to attachment and press valve seat insert into place.
Valve seat insert may need to be ground to obtain proper contact width.
Refer to paragraph 3-27.4.
FIGURE 3-75. Valve Seat Insert Installation