TM 5-3610-294-13&P
4-24. PHASE MONITOR METER. - Continued
e.
Repair by replacing frequency meter. - Continued
(7)
Turn on power and test operation.
f.
Repair by replacing phase selector switch.
(1)
Remove phase monitor meter (1) from wall by removing screws (2), lockwashers (3) and flat
washers (4).
(2)
Tag and unsolder wires (23).
(3)
Loosen screw (24) and remove knob (25).
(4)
Remove nut (26), lockwasher (27), flat washer (28), and phase selector switch (29).
(5)
Position replacement phase selector switch (29) and secure with flat washer (28), lockwasher
(27), and nut (26).
(6)
Position knob (25) and tighten screw (24).
(7)
Solder wires (23) and remove tags.
(8)
Attach phase monitor meter (1) to shelter wall by securing flat washers (4), lockwashers (3), and
screws (2).
(9)
Turn on power and test operation.
g.
Repair by replacing circuit board.
(1)
Remove phase monitor meter (1) from wall by removing screws (2), lockwashers (3) and flat
washers (4).
(2)
Tag and unsolder wires (11) from the phase indicator lights (13), and only the top row of wires
(14) from the phase test switch (17).
(3)
Remove screws (30), lockwashers (31), and circuit board (32).
(4)
Remove screws (33), lockwashers (34), and stand offs (35) from circuit board (32).
(5)
Secure stand offs (35) to replacement circuit board (32) with lockwashers (34) and screws (33).
(6)
Position stand offs (35) and secure with lockwashers (31) and screws (30).
4-62
