TM 55-2090-201-14&P
3-49.
MINI-PROBE, TYPE A AND B SEPARATORS (Continued).
L O C A T I O N
ITEM
ACTION
R E M A R K S
Meter
Reading
Test Procedure
(VDC)
Test Conditions
Remarks
C. Connect the
test meter
leads first
to contacts
6 and 9.
Depress the
second stage
oil dump
light/button
(10). Next,
connect the
test meter
leads to
contacts 7
and 9 and
again de-
press the
second stage
oil dump
light/button
(10).
24
0
C. A 24 VDC read-
out between
contacts 6 and
9 indicates
second stage
oil discharge
valve (11) and
the second
stage oil dump
light/button
(10) are re-
ceiving a
signal from the
mini-probe (5).
The printed
circuit board
is functioning
properly. A
built-in time
delay of ap-
proximately 2
seconds will
hold the second
stage oil dis-
charge valve
(11) open after
the mini-probe
signal termi-
nates. A
signal from the
second stage
mini-probe (5)
will override a
signal from the
first (pre-
filter) stage
mini-probe (4).
3-380
