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5-29. MAIN SWITCHBOARD-MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REPAIR (Cont).
3. Circuit
a. Nuts (36),
Remove.
breakers
lockwashers
(28, 30,
(37),
32 and
screws
33)
(38), and
lockwashers
(39)
b. Circuit
Remove.
breakers
(28, 30,
32, or 33)
c. Wiring
Disconnect.
Remove hardware
Refer to illus-
and remove bus
tration.
bars
d. Bus bars
(40, 41,
42, or 43) bars.
e. Breaker
Replace.
mounting
blocks
(44 or 45)
f.
Bus bars
Install using
(43, 42,
previously re-
41, or 40)
moved hardware.
g. Wiring
Reconnect.
h. Circuit
Install.
breakers
(28, 30.
32, or 33)
i.
Screws
Install.
(38),
lockwashers
(39 and
37), and
nuts (36)
5-462

 


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