TM 55-1925-282-14&P
DIRECT SUPPORT MAINTENANCE
REVERSE OSMOSIS WATER PURIFICATION UNIT FOR
INLAND AND COASTAL LARGE TUG (LT)
CHARCOAL FILTER, REPLACE
INITIAL SETUP:
Tools and Special Tools:
Personnel Required:
Tool Kit, General Mechanic's (Item 1, Table 2,
Two Watercraft Engineers, 88L
References:
Materials/Parts:
FM 55-502
Lubricant, Silicone (Item 11, Table 1,
Rag, Wiping (Item 14, Table 1, WP 0035 00)
Tag, Danger (Item 17, Table 1, WP 0035 00)
10-Micron Filter Assembly (Item 1, Figure 7,
Equipment Conditions:
Briquette, Carbon (Filter Element) (Item 3,
Applicable ROWPU shut down (WP 0005 00)
Figure 7, WP 0033 00)
CLOSE, lock out, and tag out (FM 55-502) valve
O-Ring (Item 2, Figure 7, WP 0033 00)
RO-V-7.
REPLACE CHARCOAL FILTER ASSEMBLY
DISASSEMBLY
1. Unscrew the applicable filter bowl (figure 1, item 1) from the lid (figure 1, item 2).
2. Disconnect the inlet tubing (figure 1, item 3) and outlet tubing (figure 1, item 4) from the pipe fittings (figure 1,
item 5).
3. Remove the four sets of bolts (figure 1, item 6) and four flat washers (figure 1, item 7) that secure the lid
(figure 1, item 2) to the mounting bracket (figure 1, item 8).
4. Remove the pipe fittings (figure 1, item 5) from the lid (figure 1, item 2).
5. Remove the carbon briquette (filter element) (figure 1, item 9) from the filter bowl (figure 1, item 1). Discard
the carbon briquette.
6. Remove the O-ring (figure 1, item 10) from the filter bowl (figure 1, item 1). Discard the O-ring.
0027 00-1
