TM 55-1925-282-14&P
0005 00
MEDIA FILTER MODES & VALVE POSITIONS
OPERATIONAL MODES
(BOOSTER PUMP AND HIGH PRESSURE PUMP RUNNING)
NORMAL
BYPASS
MAINTENANCE MODES
(BOOSTER PUMP ONLY)
BACKWASH
RINSE
Figure 12. Media Filter Maintenance Mode Valve Positions
11. Slowly OPEN RO-V-2 (figure 8, item 2), media filter supply.
12. RINSE the media filter for a minimum of 5 minutes.
13. CLOSE RO-V-2 (figure 8, item 2), media filter supply.
14. Align the media filter for normal operation by closing the following valves:
a. RO-V-2 (figure 8, item 2), media filter supply.
b. RO-V-4 (figure 8, item 4), media filter bypass.
c.
RO-V-10 (figure 8, item 6), media filter backflush valve.
d. RO-V-5 (figure 9, item 5), cleaning supply.
15. OPEN RO-V-3 (figure 8, item 3), media filter discharge.
16. Align the media filter maintenance mode valves (figure 9, item 6) to the "NORMAL" position as shown in
figure 12.
0005 00-10