3-1. ENGINE MAINTENANCE (CONT)
i. Rocker Arm Assembly.
This task covers removal, disassembly, cleaning, inspec-
tion, reassembly, and installation of the breather tubes, valve covers, and rocker
TOOLS: No. 1 Common Organizational Maintenance Tool Kit
Slip joint pliers
Retaining ring pliers
Torque wrench, 1/2 inch drive
Automotive Mechanics Tool Kit
Socket wrench set, 1/2 inch drive
Micrometer, zero to 5 inches
MATERIALS/PARTS: Clean cloths (Appendix C, item 1)
Cleaning solvent P-D-680 (Appendix C, item 2)
Engine lubricating oil (Appendix C, item 9)
Carbon removing compound (Appendix C, item 27)
Retaining compound (Appendix C, item 31)
O-ring (FSCM 10988 PN A27880)
Valve gasket kit (FSCM 10988 PN A157300)
REFERENCE: TM 5-3805-262-20
PRELIMINARY PROCEDURE: Engine side panels removed, engine hoods removed,
engine top hood removed, and air cleaner and tubes removed (refer to TM
REMOVAL (SHEET 1 OF 4)
three capscrews (1) and gaskets (2). Discard gaskets.
clamp (4) and pull breather tube (7) from square tube (5).
square tube (5) and clamp (4).
and discard gaskets (3).
clamp (6) and breather tube (7).
nuts (8), washers (9 and 10), and grommets (11). Discard grommets
Lift valve covers (12) from cylinder heads.