TM 9--2350--292--20--1
0221 00--4
FUEL/WATER SEPARATOR OPERATION TESTS -- CONTINUED
0221 00
Automatic Drain Test
1. Place suitable metal container under fuel/water separator solenoid drain valve tube (20).
2. Disconnect engine electrical harness (21) connector from fuel/water separator control box (22).
3. Fill suitable metal container with water.
4. Connect jumper wire (23) from suitable metal container to negative (--) side of 24 V dc power source.
5. Connect fuel/water separator test harness connector (24) to control box receptacle (25).
6. Connect red wire (+) (26) to positive (+) side of 24 V dc power source.
7. Connect black wire (--) (27) to negative (--) side of 24 V dc power source.
8. Loosen screw (12) in upper sensor probe (2) hole, loosen bleed cap (10) and check to see if fuel leaks from upper
sensor probe (2) hole.
9. If fuel did not leak from upper sensor probe (2) hole, remove screw (12) from upper sensor probe (2) hole and
proceed to step 10. If fuel did leak from upper sensor probe (2) hole, proceed to step 13.
Figure 29
12
2
SUITABLE METAL
CONTAINERS
24V dc
21
22
25
23
(+)
(--)
20
10
26
27
24