WARNING
TM 1-4920-455-13&P
3-19. Special Circuit Breaker for Electric Welder - Inspect (Cont)
3-19
2.
3.
4.
5.
6.
At power distribution panel, set the electric welder’s
corresponding 100 AMP circuit breaker to the OFF
position.
HIGH VOLTAGE. Ensure power supply
circuit breaker in POWER DISTRIBU-
TION PANEL is set to OFF before at-
tempting to remove the 100 AMP cable
from the AUX SERVICE receptacle.
Failure to do so could result in electicu-
tion, serious injury or death to personnel.
Outside shelter, unscrew lock ring (2) on AUX
SERVICE receptacle (3) and remove the 100 AMP
power cable (4).
Remove six screws (5) from cover of special circuit
breaker box (6). Remove cover (7).
Check circuit breaker (1) for looseness or overheat-
ing (charring of Bakelite). If either condition exists
go to TASK 3-20.
If new circuit breaker (1) continues to trip refer to
the operators/owners manual for the electric weld-
ing machine.
END OF TASK
3-25
