TM 5-5420-202-20-2
FUEL-WATER SEPARATOR OPERATIONAL TESTS (Sheet 7 of 11)
15-Second Drain Test (Sheet 2 of 2)
WARNING
Do not let probe at contact A (F) of fuel-water
separator control box (G) touch sides of
receptacle (H). Do not let upper sensor (J) and
lower sensor (K) come in contact with each other
or with bottom or sides of metal container (L).
When moving sensors do so by touching
insulated wires (M and N). Do not touch (J) or
(K) with hands.
NOTE
Solenoid drain valve will automatically shut off
after 18 3 seconds. If it does not shut off, refer
to troubleshooting procedures.
Hold tips of both upper (J) and lower (K)
8.
sensor in water in metal container (L) until
fluid stops draining from solenoid drain valve
drain tube (P).
If fluid does not stop draining from
9.
drain valve drain tube (P) within 18
from starting, refer to troubleshoot
cedures.
10.
If fluid does stop draining, go to
sequential drain test on next page.
Remove upper (J) and lower (K) sensors
11.
from metal container (L).
Go on to Sheet 8
7-229
