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NO. 4 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT REMOVAL/INSTALLATION – continued | Up
TM-1-1520-238-23-4 Helicopter Attack AH-64A Apache (NSN 1520-01-106-9519) (EIC: RHA) Manual | Next
NO. 4 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT REMOVAL/INSTALLATION – continued |
TM 1-1520-238-23
6-42
Change 4
6.8.
NO. 4 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT
REMOVAL/INSTALLATION – continued
b. Repair support (1) by replacing damaged dou-
bler (26).
(1) Remove doubler (26) from support (1). Use
putty knife.
(2) Clean doubler (26) mating surface on support
(1). Use methyl ethyl ketone (item 124,
App F) and cloth (item 51, App F).
(3) Apply a thin uniform coat of adhesive to dou-
bler (26) mating surface on support (1). Use
adhesive (item 3, App F).
(4) Install new doubler (26) on support (1) and
press firmly.
(5) Allow adhesive to cure for a minimum of 24
HOURS at room temperature or 1 HOUR at
190 to 200 °F (88 to 99 °C).
c. Repair support (1) by replacing bracket (27).
(1) Remove four screws (28) and washers (29)
attaching bracket (27) to support (1).
(2) Remove and discard bracket (27) from sup-
port (1).
(3) Position new bracket (27) on support (1) and
hold.
(4) Install four screws (28) through washers (29),
support (1), and bracket (27).
(5) Apply corrosion preventive compound to four
screws (28). Use corrosion preventive
compound (item 62A, App F).
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