REFINISHING ROTARY-WING BLADE

PREPARE ADHESIVES

REFINISHING ROTARY-WING BLADE (Continued)

TM-55-1520-240-23-4 CH-47D Heilcopter Manual
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TM 55-1520-240-23-4 5-82 REFINISHING ROTARY-WING BLADE 5-82 INITIAL SETUP Applicable Configurations: All Tools: Sanding Block Materials: Gloves (E184.1) Abrasive Paper (E7) Acetone (E20) Abrasive Paper (E9) Aliphatic Naphtha (E245) Cloth (E120) Antistatic Coating (E135.5) Black Lacquer (E215) Thinner (E415) Personnel Required: Aircraft Structural Repairer Inspector Equipment Condition: Off Helicopter Task References: TM 55-1500-344-23 Task 2-350.1 1. Determine the finish system used on the rotor blade (TM 55-1500-344-23). a. For rotor blades without 59 proceed to step 1.1. b. For rotor blades with 59 proceed to Task 2-350.1. 1.1. Remove finish around repaired area of blade (1) as follows: a. Remove finish. Use sanding block and abrasive paper (E7). 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. b. If finish requires softening, use acetone (E20). Wear gloves (E184.1). c. Complete finish removal. Use abrasive paper (E9). 5-489

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