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.
WARNING
Chemical dust. 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 mild irritation of the nose, throat, eyes, and
skin.
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 the bucket is empty. Maintain
recirculation.
d. Rinse the chemical scoop and chemical gloves in the bucket containing product water
before removing.
5. Set valves to recirculate the bisulfite preservation solution from the RO feed tank, through the RO
feed pump, through the RO elements, and back to the RO feed tank.
a. Make sure that Adaptor A-12 Valve V-705 on the cleaning waste hoses is closed (see
Figure 10 or Figure 11).
b. Close Distribution Tank Adaptor A-15 Valve V-525 (see Figure 13 for valve location).
c. Disconnect the product hose from the adaptor.
DISTRIBUTION TANKS
V-525
A-15
Figure 13. Distribution Tank Adaptor A-15 Valve V-525.
0025 00-12
