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)
water discharge
valve (9)
closes.
The
overboard dis-
charge light
(10) goes out.
Replace the
mini-probe (5)
if a 24 +5 VDC
reading is not
obtained.
Refer to para-
graph 3-49 for
replacement of
mini-probe.
2. C. Connect the
test meter leads
to contacts 5
and 9.
Depress the No.
1 (prefilter)
oil dump light/ 24
button (7).
Next connect the
test meter leads
to contacts 7
and 9.
Depress
the No. 1 (pre-
filter) oil dump
light/button (7). 0
C. A 24 VDC read-
out between
contacts 5 and
9 indicates the
first (prefil-
ter) stage oil
discharge valve
(8) and the No.
1 (prefilter)
oil dump light/
button (7) are
receiving a
signal from
mini-probe (5).
The printed
circuit board
is also func-
tioning proper-
ly.
3-17