TM 55-2090-201-14&P
3-3. OPERATORS TROUBLESHOOTING PROCEDURES (Continued).
Table 3-4.
Test Procedures for Electrical and Electronic Components,
Type A Separators (Continued).
Meter
Reading
Test Procedure
(VDC)
Test Conditions
Remarks
3.
(Continued)
C. Connect the
test meter
leads first
to contacts
6 and 9.
Depress the
oil dump No.
2 light/but-
ton (11)
24
Connect the
test meter
leads to
contacts 7
and 9 and
again depress
the oil dump
No. 2 light
button (11).
0
Refer to para-
graph 3-49 for
replacement of
mini-probe.
C. A 24 VDC read
out between
contacts 6 and
9 indicates
that the second
stage oil dis-
charge valve
(12) and the
oil dump No. 2
light/button
(11) are re-
ceiving a sig-
nal from the
mini-probe (6).
Also the prin-
ted circuit
board is func-
tioning proper-
ly.
A zero readout
between con-
tacts 7 and 9
indicates the
water discharge
valve (9) and
circuit board
are functioning
properly.
Replace the
circuit board
if output be-
tween contacts
6 and 9 is less
than 24 + VDC
or greater than
0 volts between
contacts 7 and
9.
3-21
