MARINE SANITATION DEVICE FOR
INLAND AND COASTAL LARGE TUG (LT)
Tools and Special Tools:
Tool Kit, General Mechanic's (Item 1, Table 2,
Two Suitable Drain Pans
Gloves, Chemical and Oil Protective (Item 1,
Goggles, Industrial (Item 2, Table 3,
Set to OFF MSD DISCHARGE PUMP and BLOWER
circuit breaker in 440V power panel No. 4. Lock
out and tag out (FM 55-502).
Feeder, Tablet (Chlorinator)(Item 1, Figure 4,
All ventilation fans operating normally (TM 55-1925-
Two Watercraft Engineers, 88L
1. CLOSE the SEWAGE INLET TO MSD valve SD-1 (figure 1, item 1). Lock out and tag out (FM 55-502).
2. OPEN the SEWAGE DRAIN TO HOLDING TANK valve SD-3 (figure 1, item 2).
3. Perform the Clean Chlorinator Feed Tube Removal procedure (WP 0014 00).
4. Place a suitable drain pan under the chlorinator inlet coupling (figure 2, item 1).
Sewage is a common mode of transmission for parasitic organisms that may
have the capability of causing communicable diseases. Protective gloves and a
protective apron should be worn to help prevent contact with sewage. After com-
ing in contact with sewage or contaminated equipment, be sure to clean yourself
with a disinfectant soap. Avoid sewage contact with skin abrasions, punctures,
cuts, and other open wounds. Wipe up and clean any spills and/or contaminated
equipment using a disinfectant soap. Failure to comply with this warning may
result in serious illness.
5. Loosen the chlorinator inlet coupling (figure 2, item 1) and allow any effluent to drain into the suitable drain