P-9-TM-457-35 T.O. 35C2-3-442-2
TM 5-6115-457-34
TM-0746A-35
6-172. BENCH TEST.
Replace the tactical relay box and cover .-
a. Connect the short circuit relay to
the test equipment as illustrated in figure
6-44.
b. Energize 24 VDC power supply and
close switch S3. Indicator DS1 should be
energized and DS2 should be deenergized.
c. Energize 0 to 50 variable power sup-
ply, set switch S2 to position "A" then close
switch S1 and adjust power supply to obtain
3.375 amperes, 50/60 hertz sets; 1.429 am-
peres 400 hertz sets. Indicator DS2 should
energize and DSl should reenergize. Open
Figure 6-44. Short Circuit Relay (K13)
switch S1.
test setup
d. Repeat step c. for switch S2 positions
"B" and "C".
6-174. OVERLOAD RELAY (K14).
e . If the short circuit relay does not
meet the requirements of the above tests,
6-175. ON EQUIPMENT TEST.
replace the relay.
f. Remove the short circuit relay from
a. Symptom and Isolation of Malfunction.
the test equipment.
A malfunction of the overload relay K14 is
6-173. INSTALLATION. Refer to figure
usually indicated by failure of the generator
6-41 and install the short circuit relay in
fault monitoring system to detect and react
to a current rise in any phase, beyond
position using four screw assemblies.
Change 3
6-132