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 TM 55-1905-223-24-18-1
C.
Turn door panel screws (4) counterclockwise to loosen.
(1) Swing door panel (9) left to open.
(2) Remove racking handle (7) from behind door panel (9).
NOTE
Racking mechanism is not used for movement
of circuit breaker between DISCONNECT and
WITHDRAWN positions.
Insert racking handle (7) into racking screw hole (8).
d.
Rotate racking handle (7) counterclockwise until the jackscrew comes to solid
e.
stop. Circuit breaker is now in the DISCONNECT position. Remove racking
handle (7).
f . Manually pull circuit breaker (1, FIGURE 2-223) to track travel limit
(WITHDRAWN position).
NOTE
Before removal visually check spring charge
and close indicators to verify breaker is
open and springs are discharged.
Attach suitable lifting device to breaker (1) and hoist until mounting pins
g.
clear track slots.
(1) Swing breaker (1) forward until primary disconnects clear substructure
(3).
(2) lower breaker (1) onto flat unobstructed surface.
(3) Remove lifting device.
Repair to circuit breakers is by replacement.
NOTE
Before installing circuit breaker observe
the following precautions.
(1) Ensure area is clean and free of foreign objects.
( 2 ) Verify it is correct breaker.
(3) Ensure circuit breaker is OPEN.
(4) Apply a thin coat of lubricant to breaker's primary disconnects.
2-897
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