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NO. 5 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. 5 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT REMOVAL/INSTALLATION – continued |
TM 1-1520-238-23
Change 2
6-63
6.11.
NO. 5 TAIL ROTOR DRIVE SHAFT, DAMPER, AND ANTI-FLAIL SUPPORT
REMOVAL/INSTALLATION – continued
6.11.6. Adjustment
a. Adjust damper (24) tension. Torque nut (23) to
13 INCH-POUNDS.
(1) Remove nut (23).
NOTE
More than one tension washer may be
installed between spring and plate.
(2) Remove screw (16), washer (17), spring (18),
spacer (19), and tension washer (20) (if
installed) from both sides of plate(s) (21) and
(22), damper (24), and support (1).
(3) If reading on scale (25) was less than 9
pounds, add tension washers (20) one at a
time on each side of support (1) until correct
tension reading on scale (25) is obtained.
(4) If reading on scale (25) was more than 11
pounds, remove tension washers (20) one at
a time on each side of support (1) until correct
tension reading on scale (25) is obtained.
NOTE
·Replace one or both springs if mini-
mum length is less than 0.40 INCH. Do
not stretch spring in order to increase
length.
·Two plates are used on
7-211350012-5 supports and one
plate is used on 7-211350012 sup-
ports.
(5) If correct tension reading on scale (25) is not
obtained when only one tension washer (20)
remains on each side of support (1), replace
spring (18).
(6) Install screw (16) through washer (17), spring
(18), spacer (19), and tension washer(s) (20) on
both sides of plate(s) (21) and (22), damper
(24), and support (1).
(7) Hand tighten nut (23) on screw (16).
(8) Torque nut (23) to 13 INCH-POUNDS. Use
torque wrench.
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23
M04-0447-23A
16
17
21
22
24
1
182019
7-211350012-5 SUPPORT
23
16
23
M04-0447-34
16
17
22
24
1
182019
23
16
7-211350012 SUPPORT
24
M04-0447-9A
23
2017
16
18
19
22
1
25
1
BASE
21
7-211350012-5 SUPPORT SHOWN
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