TM 1-1520-238-23
Change 3
2-311
2.88.
ROTOR SUPPORT MAST SUPPORT BASE REMOVAL/INSTALLATION – continued
(3) Reapply protective finish. Use polyurethane
coating (item 140, App F) and epoxy primer
coating
kit
(item
76,
App F)
(TM 55-1500-345-23).
2.88.7. Installation
a. Install four new covers (11) and (12) on mast
base (1).
(1) Apply primer in lightening holes. Use epoxy
primer coating kit (item 76, App F) and brush
(item 34, App F). Allow to dry.
(2) Apply a coating of corrosion preventive com-
pound in lightening holes. Use corrosion
preventive compound (item 62, App F) and
brush (item 34, App F).
(3) Apply a thin coat of adhesive to mating sur-
faces of four new covers (11) and (12), and
mast base (1). Use adhesive (item 3A,
App F).
(4) Install four new covers (11) and (12) on mast
base (1).
(5) Apply sealing compound around entire edge
of covers (11) and (12). Use sealing
compound (item 179, App F) and brush
(item 34, App F).
(6) Coat exterior surfaces of two covers (11) and
(12). Use polyurethane coating (item 140,
App F) and epoxy primer coating kit (item 76,
App F) (TM 55-1500-345-23).
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M04-3086-11A
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