Circuit Breaker (Hose cut-off machine)-Inspect

TM 55-4920-433-13&P

3-18. Circuit Breaker (Hose cut-off machine)-Inspect

3-18

This task covers: Inspection of the circuit breaker

INITIAL SETUP

Personnel Required:

68F Aircraft Electrician

Tools:

Tool Kit, Electrical Repairer, Army

Reference Information:

TM 55-1500-204-25/1

INSPECTION

WARNING

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.

NOTE

This circuit breaker is unique in the Pneudraulic Shop and controls power to the hose cut-off

machine. The following procedures apply to this circuit breaker only.

1. Circuit breaker (1) trips from ON to OFF when

hose cut-off machine is turned on.

a. Move MAIN circuit breaker (2) from ON to OFF.

b. Loosen four screws (3) and move locking

levers (4) into slots (5) to disengage panel cover

assembly 6)

c. Remove entire panel cover/door assembly (6)

from wall.

d. Unscrew and remove four screws (7) from in-

ner pane (8) and remove inner panel.

e. Check hose cut-off machine circuit breaker

(1) for looseness or evidence of over heating (charr-

ing of bakelite). If either condition exists, see TASK 3-19.

END OF TASK

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