TM 55-1925-282-14&P
GENERAL SUPPORT 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:
References:
Tool Kit, General Mechanic's (Item 1, Table 2,
FM 55-502
Materials/Parts:
Lubricant, Silicone (Item 11, Table 1,
Tag, Danger (Item 17, Table 1, WP 0035 00)
Equipment Conditions:
High Pressure Hose (Item 14, Figure 5,
CLOSE, lock out, and tag out (FM 55-502) valve
RO-V-9.
Swivel (Item 13, Figure 5, WP 0033 00)
Set to OFF, lock out, and tag out the FWF PUMP
circuit breaker at the 24 VDC control panel.
Personnel Required:
Two Watercraft Engineers, 88L
REPLACE HIGH PRESSURE HOSES
REMOVAL
1. Shut down the applicable ROWPU (WP 0005 00).
2. At 440V power panel No. 5, set to OFF, lock out, and tag out (FM 55-502) the applicable circuit breaker as
shown in table 1.
3. At the 24 Vdc control panel, set to OFF, lock out, and tag out (FM 55-502) the applicable circuit breaker as
shown in table 1.
4. CLOSE, lock out, and tag out (FM 55-502) the applicable inlet sea water supply valve as shown in table 1.
Table 1. ROWPU Lockout/Tagout Guide
ROWPU
Power Panel 5
Inlet Sea
24 Vdc
Breaker
Water Valve
Control Panel
1
REVERSE OSMOSIS WATER MAKER No. 1
RO-V-1-1
RO #1
2
REVERSE OSMOSIS WATER MAKER No. 2
RO-V-2-1
RO #2
5. Use the two wrench method to disconnect the faulty high pressure hose (figure 1, item 1) by placing the
stationary wrench on the male fitting (figure 1, item 2), and rotating the female fitting (figure 1, item 3).
0028 00-1
