TM 9-2320-302-34
0032 00-13
CYLINDER HEAD REPAIR - CONTINUED
0032 00
CLEANING AND INSPECTION - CONTINUED
15.
Ensure valve heads (49) are recessed from cylinder head (2) fire deck surface by 0.055-0.071 in (1.4-1.8 mm) minimum.
If not, install reduced-thickness valve seat inserts.
NOTE
Replace rotator whenever spring is replaced.
16.
Inspect valve springs and replace any that are pitted or cracked.
17.
Use valve spring tester (50) to test valve springs (11). Replace spring if spring load is less than 63 lb (280 N) at com-
pressed length of 2.648 in (67.26 mm).
49
2
50
11