TM 1-1520-238-23
Change 6
5-78.5
5.14A.
MAIN ROTOR BLADE FORWARD AND AFT TIP WEIGHT REMOVAL/INSTALLATION
(AVIM) – continued
5.14A.6. Installation
CAUTION
The same total weight, stack height,
and arrangement of weights that were
removed must be reinstalled on the
blade unless the weight stack is ad-
justed using an AMCOM approved
blade static balance tool and proce-
dures. Failure to do so could result in
excess vibration causing damage to
the aircraft.
The Maximum permissible weight that
may be mounted on each weight sup-
port fitting is 5.0 POUNDS.
a. Install aft tip weights (15) on support fitting
(11). Torque nuts (16).
(1) Install aft counterbalance weights (15) on
support fitting (11) in the exact order, height
and weight as removed.
(2) Apply antiseize compound (item 26, App F) to
studs (18).
(3) Install two washers (17) and nuts (16) on
studs (18).
(4) Torque two nuts (16) to 260–290 INCH–
POUNDS. Use torque wrench.
b. Install aft weight support fitting (11) on blade
(2). Torque nuts (12).
(1) Install the aft weight support fitting (11) on
blade (2).
(2) Install two washers (13) and nuts (12) on
studs (14).
(3) Torque two nuts (12) to 205–225 INCH–
POUNDS. Use torque wrench.
GO TO NEXT PAGE
M04-5218-6
16
18
17
15
11
2
13
12
11
14
