TM 55-1520-240-23-4
5-77.1
REPLACE LIGHTNING PROTECTION JUMPER WIRE
(Continued)
5-77.1
Sealant (E336) can irritate skin and
cause burns. Avoid contact with skin,
eyes, or clothing. In case of contact,
immediately flush skin or eyes with
water for at least 15 minutes. Get
medical attention for eyes.
10.
Apply sealant (E336) over bolt (1). Use enough
sealant to cover 2 inch diameter area. Wear
gloves (E184.1). Apply sealant over jumper
wire (2) between bolt and clamp (8). Minimum
sealant thickness shall be 0.6 inch. Wear gloves
(E184.1).
11.
Allow sealant to cure 6 hours at 70ºF (21ºC).
INSPECT
Naphtha (E245) is combustible and
toxic. It can irritate skin and cause
burns. Use only with adequate
ventilation, away from open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
12.
Wipe area around sealed wire (2). Use cloths
(E120) damp with naphtha (E245). Wear gloves
(E184.1). Wipe naphtha dry before it evaporates.
Wipe until cloths stay clean.
12.1.
Determine the finish system used on the rotor
blade (TM 55-1500-344-23).
a.
For rotor blades without 58 proceed to step
13.
b.
For rotor blades with 58 proceed to Task
2-350.1.
Lacquer (E215) is extremely
flammable. It can be toxic. Keep away
from heat, sparks, or open flame. In
case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
Thinner (E415) is flammable and toxic.
It can irritate skin and cause burns.
Use only with adequate ventilation
away from heat or open flame. Avoid
contact with skin, eyes, or clothing.
In case of contact, immediately flush
skin or eyes with water for at least
15 minutes. Get medical attention
for eyes.
13.
Thin black lacquer (E215). Use thinner (E415).
Follow manufacturers instructions.
14.
Apply two coats of thinned lacquer (E215) to
sealed wire (2). Wear gloves (E184.1). Allow to
dry 45 minutes between coats.
FOLLOW-ON MAINTENANCE:
Close work platform (Task 2-2).
Remove tiedown lines from blades (Task 1-26).
END OF TASK
5-446