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)
Refer to para-
graph 3-17 for
circuit board
replacement.
If the output
between con-
tacts 6 and 9
is 24 VDC but
the second
stage oil
discharge valve
(12) does not
open, then
check the valve
and solenoid
coil per para-
graph 3-24,
discharge
assembly of
solenoid valve,
and test pro-
cedure 4 below.
If output be-
tween contacts
7 and 9 is 0
volts and the
water discharge
valve (9) does
not close,
check the valve
per paragraph
3-24, disasem-
bly of solenoid
valve.
A built-in time
delay of ap-
proximately 2
seconds will
hold the second
stage oil dis-
charge valve
3-22