Special Circuit Breaker for Electrlc Welder

Special Circuit Breaker for Electric Welder - Inspect (Cont)

Special Circuit Breaker for Electric Welder - Replace (Contd) - TM-1-4920-455-13P_85

TM-1-4920-455-13P Shop Set Welding Airmobile P/N 4920-99-CL-A88 NSN 4920-00-163-5093 Manual
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WARNING TM 1-4920-455-13&P 3-20. Special Circuit Breaker for Electrlc Welder - Replace 3-20 This tasks covers: Replacement of Circuit Breaker INITIAL SETUP Tools: Basic Issue Items (BII) - App C Multimeter, NSN 6625-01-139-2512 Personnel Required: 68F Aircraft Electrician Reference Information: TM 55-1500-204-25/1 REPLACEMENT HIGH VOLTAGE exists in the electrical system of this shop. All electrical inspections, repairs or replacements shall be performed with the power OFF and only by qualified electricians. Serious shock hazards exist which could result in serious injury or death to personnel. 1. Removing defective circuit breaker. a. b. c. Ensure 100 AMP power cable has been discon- nected Loosen two screws (1) holding wires at bottom of circuit breaker (2). Remove black (3) and red (4) wires from bottom of circuit breaker (2). GO TO NEXT PAGE 3-26

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