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
A C T I O N
R E M A R K S
Meter
Reading
Test Procedure
(VDC)
Test Conditions
Remarks
C. Connect the
test meter
leads first
to contacts
5 and 9, and
depress the
first stage
(prefilter)
oil dump
light/button
(6).
Next,
connect the
test meter
leads to con-
tacts 7 and 9
and again de-
press the first
stage (pre-
filter) oil
dump light/
button (6).
24
0
operated water
discharge valve
(8) to close,
and the over-
board discharge
light (9) to
go out. Replace
the mini-probe
(4) if a 24 ± 5
VDC reading is
not obtained.
C. A 24 VDC read-
out between con-
tacts 5 and 9
indicates the
first stage
(prefilter) oil
discharge valve
(7) and the
first stage
(prefilter) oil
dump light/but-
ton (6) are re-
ceiving a signal
from mini-probe
(4). The printed
circuit board is
functioning pro-
perly.
A zero
readout between
contacts 7 and
9 indicates the
water discharge
valve (8) and
circuit board
are functioning
properly. A
built-in time
delay of approx-
3-386