TM 5-4310-387-14
(19)
Inspect rocker arm shaft (1) and replace if bent or excessively scored.
(20)
Inspect valve guides (24) and replace if excessively worn, valve stems have excessive side play in
guides, or cracked. Press out old guides and press in new ones.
(21)
Inspect cylinder head (25) and replace if cracked, warped, or other damaged
(22)
Inspect valve seats (26). Reface valve seats using valve seat reamer and reamer tool. Ensure valves
(4) and (10) seat fully in seats (26).
(23)
Install check valve (17).
(24)
Install valve (10), two washers (16), retaining ring (15), roto cap (14), spring (13), and collar (12).
(25)
Using valve spring compressor, compress spring (13) and install two retainer halves (11). Ensure
retainer halves are fully seated.
(26)
Install valve (4), two washers (9), new seal (8), spring (7), and collar (6).
(27)
Using spring compressor, compress spring (7) and install two retainer halves (5). Ensure retainer
halves are fully seated.
(28)
Install intake rocker arm (2) and exhaust rocker arm (3).
(29)
Press in rocker arm shaft (1).
(30)
Install studs (19).
(31)
Install studs (18).
(32)
Install cylinder head assembly (para. b.).
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