ARMY TM 9-6115-60412
NAVY NAVFAC P-8-633-12
(f)
The target window opening on the face of the switch plate should show green when last command
operation was TRIP and red on.
(g)
Switch handle should return to vertical position following either command, TRIP or CLOSE.
(h)
Target window should show red when last command operation was CLOSE.
(i)
Replace switch S4R if it falls to meet any of the above specifications.
(j)
Connect wires to BREAKER CONTROL switch S4R as tagged. Remove and discard tags.
(2)
Remove.
(a)
Tag and disconnect wiring from BREAKER CONTROL switch S4R (7, Figure 5-2).
(b)
Remove screw in center of handle and slide handle off switch shaft.
(c)
Remove three screws from face of mounting panel on front of panel. Switch section may be
removed from rear of the panel as an assembly.
(d)
Install replacement BREAKER CONTROL switch S4R (7) by positioning the switch sections at the
rear of remote control panel and assemble the mounting plate from the front, while securely
attaching the entire assembly with the three mounting screws.
(e)
Replace handle in the normal-vertical position and secure with attaching screw.
(f)
Connect wires and remove and discard tags.
(g)
Close RCM panel and secure by locking three oval studs across the top of the panel.
h.
AMMETER Switch S114R (8. Figure 5-2). AMMETER switch S114R is a six-section rotary tap-switch contact
design. An Integral detent assembly provides five positive click stops at operational switch positions. The switch
is used with the AC AMPERES meter to select any of the three phases for a current draw indication.
(1)
Test.
(a)
Shut down the generator set. See Figure 2-23.
(b)
Open the RCM panel by unlocking three oval studs across the top of the panel.
(c)
Rotate switch handle In both directions to ensure that AMMETER S114R clicks into all five switch
positions.
NOTE
Switch wiring position numbers are translated as follows: the first digit defines the
section, or deck, In relation to the handle end, the second digit is a specific terminal on
that deck For example: position 23 is located on the second deck, the terminal is
number 3.
(d)
Tag and disconnect wring to switch contacts. Do not remove internal jumper wires.
(e)
Set a multimeter to RX1 scale and test for contact continuity in the switch positions specified in
Figure 4-69. Meter should indicate zero ohms at all points marked in the chart.
(f)
Multimeter should indicate infinity at all blank contacts in the chart.
(g)
Connect wires to AMMETER switch Sl14R as tagged. Remove and discard tags
(2)
Replace.
(a)
Tag and disconnect wires from AMMETER switch S114R (8, Figure 5-2).
(b)
Remove screw in center of handle and slide handle off the shaft.
(c)
Remove screws from face of mounting plate on front of panel AMMETER switch (8) sections may be
removed from rear of panel as an assembly.
NOTE
Before installing replacement switch transfer black jumper wires from old switch.
5-18
