ARMY TM 10-4610-309-14
MARINE CORPS TM10802A-14/1
0025 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
OPERATOR INSTRUCTIONS
REVERSE OSMOSIS SYSTEM PRESERVATION OPERATION UNDER
USUAL CONDITIONS
4. Prepare the bisulfite preservation solution as follows:
WARNING
Hazardous chemical dust and/or fumes. Wear a protective face shield, chemical
gloves, and a dust mask when handling sodium bisulfite. Avoid inhaling chemical
dust or fumes. Failure to observe this warning may result in irritation of the nose,
throat, eyes, and skin. Promptly change contaminated clothing after accidental
chemical exposure.
a. Make sure a bucket of product water is placed in the operator station to rinse hands and
face if needed.
b. Hook the RO feed tank cover open.
c. Open the AC120 Bisulfite bucket. Use the chemical scoop and VERY SLOWLY pour
the AC-120 Bisulfite into the RO feed tank. Repeat until approximately 1/2 of the bisulfite
has been added. Maintain recirculation. Place the cover back on the bucket.
d. Rinse the chemical scoop and chemical gloves in the bucket containing product water
before removing.
5. Set the valves to flush the bisulfite preservation solution through the RO elements and out the
waste hose to the cleaning waste tank follows:
a. Close the distribution tank Adaptor A-15 valve V-525 (see Figure 5 for valve location).
b. Disconnect the product hose from the adaptor.
DISTRIBUTION TANKS
V-525
A-15
Figure 5. Distribution Tank Adaptor A-15 Valve V-525.
0025 00-5
