TM 9-6115-604-34
NAVFAC P-8-633-34
Figure 5-34. Test Setup, Synchro Check Relay K116
b.
Remove.
(1)
Tag and disconnect wires from K117 (70).
(2)
Remove relay Kl17 (70) by removing screw and captive washer assemblies (71) and nut and captive
washer assemblies (72).
c.
Test.
(1)
Connect multimeter set to RX1 scale across one set of normally closed contacts. Observe reading of less
than 1 ohm.
(2)
Repeat step (1), above, for the other set of contacts.
(3)
Connect multimeter across one set of normally open contacts. Observe reading of infinite ohms.
(4)
While continuing to observe multimeter, apply 120 V ac power source to coil. Observe reading drop from
infinite ohms to less than 1 ohm.
(5)
Disconnect 120 V ac power source to coil.
(6)
Repeat steps (3) through (5), above, for the other set of normally open contacts.
(7)
Replace K117 (70) if any readings are not as specified.
d.
Install.
(1)
Install switch gear heater contactor Ki17 (70) and secure with screw and captive washer assemblies (71)
and nut and captive washer assemblies (72).
(2)
Make wiring connections as tagged and discard tags.
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