TM 55-1520-240-23-5
6-47.1
REPAIR FORWARD TRANSMISSION OUTSIDE SURFACE
6-47.1
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)
Alodine Powder (E65)
Chromic Acid (E114)
Calcium Sulphate (E91)
Epoxy Primer (E292 or E293)
Epoxy Topcoat (E166)
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 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.
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.
Alodine powder (E65) is an oxidizer.
Discard cloths which contain this
material in a separate container. If
discarded with cloths contaminated
with acetone, MEK or other organic
solvents, combustion can result. 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 or 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.
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