TM 1-1520-238-23
G-6
G.1.
HELICOPTER WEIGHING (AIRCRAFT ON JACKS) – continued
CAUTION
Plumb bob bracket and target installation
screws are not removable. Damage to
bracket and target will result if removal is
attempted.
d. Install plumb bob bracket (1) and target (2) on
helicopter left side at F.S. 171.0. Use aircraft
maintenance kit.
(1) Loosen two upper screws (3).
(2) Loosen two lower screws (4).
(3) Slide bracket (1) down on screws (3).
(4) Slide target (2) down on screws (4).
(5) Tighten screws (3) and (4).
e. Install and secure plumb bob line (5) with
plumb bob (6) in bracket (1). Use aircraft
maintenance kit.
(1) Insert line (5) in bracket slot (7).
(2) Lower plumb bob (6) until just below edge of
target (2).
(3) Secure line (5) to bracket (1) by wrapping line
(5) around rivets (8) and (9).
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