TM 55-1520-240-23-4
5-81.2.1
REPAIR KEVLAR SHOCK ABSORBER BRACKET WINDING FILLER
MATERIAL-CRACKS/VOIDS
5-81.2.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Heat Lamp
Respirator
Trip Balance, NSN 6670-00-401-7195
Materials:
Abrasive Paper (E7)
Acetone (E20)
Adhesive (E40 or E41)
Curing Agent (E158.1)
Gloves (E184.1)
Hypodermic Syringe (E380)
Polyethylene Cup (E157)
Resin (E313.1)
Sealant (E342.1)
Teflon Tape (E399)
Temperature Indicating Strips (E413)
Tongue Depressor (E424)
Personnel Required:
Aircraft Structural Repairer
Inspector
Equipment Condition:
Off Helicopter Task
General Safety Instructions:
Acetone (E20) is extremely flammable.
It can be toxic. Avoid inhaling. Use
only with adequate ventilation. Avoid
contact with skin, eyes, or clothing.
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.
Adhesive used in the manufacturing of
some fiberglass rotor blades contain
asbestos. During blade repair, strict
adherence to all safety procedures
when working with asbestos must
be complied with (applies to blade
serial numbers A-1-0001 to 1465 and
A-2-0001 to 1473 only).
1.
Mask bracket to within 0.50 inch of cracks or
voids (1). Use Teflon tape (E399) (2).
2.
Mask over windings (3). Use Teflon tape (E399)
(2).
Do not sand into filament windings.
3.
Remove paint from filler material (4) in damaged
area. Use abrasive paper (E7).
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