TM 55-1520-240-23-4
5-66
REPLACE NICKEL EROSION CAP (AVIM)
5-66
INITIAL SETUP
Applicable Configurations:
All
Tools:
Airframe Repairer’s Tool Kit, NSN 5180-00-323-4876
Aluminum Starter Chisel
Aluminum Final Removal Chisel
Trip Balance, NSN 6670-00-401-7195
Nickel Erosion Cap Replacement Fixture (T69)
Scale
Aluminum Scraper
Torque Wrench, 5 to 50 Inch-Pounds
Brush, Stiff Bristles
Heat Lamps (Optional)
Materials:
Styrofoam Blocks
Dry Ice (E92)
Abrasive Paper (E9)
Gloves (E184.1)
Kevlar Gloves (E187)
Masking Tape (E388)
Teflon Tape (E399)
Cloth (E120)
Acetone (E20)
Adhesive (E41 or E43)
Wood Spatula (E424)
Polyethylene Cup (E157)
Scrim Cloth (E325)
Tape (E387)
Teflon-Impregnated Fabric (E170)
Rubber Sheet (E321)
Sealant (E336)
Epoxy Primer (E293)
Black Lacquer (E215)
Thinner (E415)
Metal Conditioner (E242)
Temperature Indicating Strips (E413)
Personnel Required:
Medium Helicopter Repairer (5)
Aircraft Structural Repairer (2)
References:
Task 5-67
TM 55-1500-344-23
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 (E41 or E43) is toxic. It 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.
Do not use cadmium plated tools or
chlorinated solvents on the titanium
nose cap. Contamination of titanium
by these materials will result in failure.
Use only the tools and materials
referenced in the repair procedure.
5-294
