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
A. Connect the
test meter
leads to ter-
minal con-
tacts 1 and
8 on terminal
board TB1
B. Connect the
test meter
leads to ter-
minal contacts
1 and 8. De-
press the
first stage
(prefilter)
oil dump light/
button (6).
This grounds
the mini-
probe's test
terminal.
24
oil dump light/
button (6) does
not light when it
is depressed. A
malfunction in
the printed circuit
board is indicated
when the mini-probe
generated signal
is not relayed to
the solenoid
valve.
A. Replace the
mini-probe (4)
if a zero read-
ing is not ob-
tained on the
test meter.
B. Depressing the
oil dump light/
button will
cause the
mini-probe to
generate a
signal causing
the first stage
(prefilter) oil
dump light/but-
ton (6) to
illuminate, the
first stage
(prefilter)
solenoid oper-
ated oil dis-
charge valve
(7) to open,
the solenoid
3-384
