TM 5-3805-255-14
0095
VALVE RECONDITIONING CONTINUED
CAUTION
DO NOT install inserts by hammering or striking insert driver. After installing insert, do not
peen head metal over edge of insert. Failure to follow caution may result in serious
damage to engine.
2. Install valve seat inserts as follows (Figure 17):
a. Chill inserts and driver thoroughly for at least one-half hour before installing.
b. Properly align insert to avoid cocking.
c.
Using an arbor press and driver, press insert into cylinder head. An evenly applied 500lb-ft (2,225 Nm) load
is required for proper installation and is to be sustained for a five second period to guarantee proper
installation and seating.
Figure 17. Installing Insert.
0095
0095-16