TM5-6115-593-34
NAVFAC P-8-631-34
TO-35C2-3-463-2
Hz operation.
(3)
Close switch S5 (Code "A" only).
WARNING
BEFORE
STARTING
ANY
MAINTENANCE PROCEDURE, SET
MAINTENANCE LOCKOUT SWITCH
TO
LOCKOUT.
DISCONNECT
NEGATIVE
CABLE
FROM
BATTERIES. REMOVE EXTERNAL
POWER
BY
OPENING
CB101
(EXTERNAL
POWER
CIRCUIT
BREAKER) AND DISCONNECTING
POWER CABLE FROM RECEPTACLE
J101 (120V RECEPTACLE).
(4)
Observe
display.
Numerals
must
be
illuminated and clock seconds must advance
or clock M111 is defective and must be
replaced. Open switch S5 (Code "A" only).
(5)
Open switch S1 to test 50 Hz operation (Code
"A" only) Place S1 to 60 cycle operation for
Code "B".
(6)
Close switch S5 (Code "A" only).
(7)
Observe
display.
Numerals
must
be
illuminated and clock seconds must advance
or clock M111 is defective and must be
replaced. Open switch S5 (Code "A" only).
b.
Replacement.
(1)
Tag and disconnect all wires to the digital
clock.
(2)
Loosen screw (1) and carefully remove the
clock (7) from the rear of the generator panel.
(3)
Remove screw (1) to remove the shield (2),
plates (3 and 4), gasket (5), and light control
film (6) from the front of the generator panel.
(4)
Position shield (2), plates (3 and 4), gasket
(5), and
Figure 5-19. Control Cubicle, Relay Panel
5-24
