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
2.
(Continued)
If output be-
tween contacts
7 and 9 is 0
volts and the
water discharge
valve (9) does
not close, check
the valve per
para 3-24, dis-
assembly of
solenoid valve.
A built-in time
delay of appro-
ximately 2-3
seconds will
hold the first
stage (prefil-
ter) oil dis-
charge valve
(8) open after
the mini-probe
signal termi-
nates.
3. To verify the
operation of
the No. 2
stage mini-
probe (6) and
the printed
circuit board:
3. Internal power
3.
and auto con-
trols switch
(2)
are on.
Pump switch
(3) is off.
No. 2 stage
mini-probe (6)
in water.
First (prefilter)
stage mini-probe
(5) in water,
oil or air.
Refer to remarks
for test procedure
2.
The No. 2 oil
dump light/button
(11) when de-
pressed activates
the No. 2 mini-
probe (6).
3-19
