TM 55-1925-282-14&P
UNIT MAINTENANCE
REVERSE OSMOSIS WATER PURIFICATION UNIT FOR
INLAND AND COASTAL LARGE TUG (LT)
REVERSE OSMOSIS WATER PURIFICATION UNIT, REPAIR
INITIAL SETUP:
Tools and Special Tools:
Personnel Required:
Tool Kit, General Mechanic's (Item 1, Table 2,
Two Watercraft Engineers, 88L
References:
FM 55-502
Materials/Parts:
Tape, Antiseizing (Item 18, Table 1,
REPAIR LOW PRESSURE HOSE
DISASSEMBLY
1. Perform the Shutdown procedure (WP 0005 00) on the applicable Reverse Osmosis Water Purification Unit
(ROWPU).
2. CLOSE, lock out, and tag out (FM 55-502) the applicable ROWPU inlet sea water supply valve as shown in
table 1.
Table 1. ROWPU Lockout/Tagout Guide
ROWPU
Specific Breaker
Inlet Sea Water Valve
1
REVERSE OSMOSIS WATER MAKER No. 1
RO-V-1-1
2
REVERSE OSMOSIS WATER MAKER No. 2
RO-V-2-1
3. At 440V power panel No. 5, set to OFF, lock out, and tag out (FM 55-502) the applicable ROWPU circuit
breaker as shown in table 1.
4. Loosen the hose clamps (figure 1, item 1) at both ends of the hose (figure 1, item 2) and remove the hose
from the fittings (figure 1, item 3).
3
2
1
Figure 1. Low Pressure Fitting, Hose, and Clamp
0018 00-1