TM 55-1520-240-23-5
6-59.1
REPAIR AFT ROTOR SHAFT SUPPORT
6-59.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Dial Indicating Depth Gage 643J
Fluorescent Penetrant Method
Materials:
Naphtha (E245)
Emery Cloth (E123) or Abrasive Paper (E13)
Crocus Cloth (E122)
Cloths (E120)
Gauze Sponges (E184)
Barrier Material (E80)
Masking Tape (E388)
Gloves (E184.1)
Acetic Acid (E21)
Epoxy Primer (E292 or E293)
Chromic Acid (E114)
Calcium Sulphate (E91)
Personnel Required:
Aircraft Powertrain Repairer
Inspector
References:
TM 1-1500-335-23
TM 1-1520-253-23
Equipment Condition:
Off Helicopter Task
General Safety Instructions:
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.
Acetic acid (E21) is combustible
and toxic. Chromic acid (E114) is
extremely toxic. Both can irritate skin
and cause burns. Avoid inhaling. Use
only with adequate ventilation, away
from 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.
Epoxy primer (E292 or E293) 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.
Do not wear photogray glasses when
fluorescent inspecting. They reduce
ability to see cracks.
6-230
