TM 55-1520-240-23-4
5-67.1
REPAIR BLADE SPAR ROOT END — MAJOR DAMAGE
5-67.1
INITIAL SETUP
Applicable Configurations:
All
Tools:
Airframe Repairer’s Tool Kit, NSN 5180-00-323-4876
Scissors
Vacuum Pump
Trip Balance, NSN 6670-00-401-7195
Heat Lamp
Respirator
Materials:
Acetone (E20)
Gloves (E186)
Abrasive Paper (E7 and E9)
Masking Tape (E388)
Cloth (E120)
Adhesive (E40, E41, E43 or E47.1)
Polyethylene Cup (E157)
Wood Spatula (E424)
Peel Ply (E270)
Teflon-Impregnated Fabric (E170)
Rubber Pad (E318)
Glass Cloth (E132)
Sealing Tape (E396)
Polyvinyl Sheet (E284)
Temperature Indicating Strips (E413)
Fiberglass Laminate (E168)
Curing Agent (E158.1)
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.
Adhesives (E40, E41, E43, and
E47.1) are toxic. They can irritate skin
and cause burns. Avoid inhaling. Use
only with adequate ventilation. 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.
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 number A-1-0001 to 0424 and
A-2-0001 to 0429 only).
5-332
