TM 55-1520-240-23-9
11-251
INSTALL AFT BELLCRANK STA 482
(Continued)
11-251
4.
Install washer (6) and nut (7). Torque nut (7) to
250 inch-pounds.
5.
Install bolt (8). Hook dial indicating scale (9) to
bolt (8).
6.
Apply force to bellcrank (1) with scale (9) at 90º
to arm (10). Bellcrank shall turn, bolt (3) shall not
turn. Force shall not exceed 3 pounds.
Do not reduce torque to less than 100
inch-pounds; otherwise, damage to
components will result.
7.
If bolt (3) turns, reduce bolt torque by 5
inch-pounds repeat step 6.
8.
Install cotter pin (11).
9.
Remove scale (9) and bolt (8).
10.
Slide cover (12) over access (5).
Primer (E299) is flammable and toxic.
It can irritate skin and cause burns.
Use only in well-ventilated area, away
from heat and open flame. In case
of contact, immediately flush skin
or eyes with water for at least 15
minutes. Get medical attention for
eyes.
11.
Have outside helper coat five screws (13) with
primer (E299). Install screws while primer is wet.
Wear gloves (E186).
12.
Have helper hold heads of five screws (13).
13.
From inside helicopters, install five washers (14)
and nuts (15).
Sealant (E336) can irritate skin and
cause burns. Avoid contact with skin,
eyes, and clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
11-974
