2-26. OPERATION IN NUCLEAR, BIOLOGICAL, OR CHEMICAL CONTAMINATED
AREAS - cont.
Assemble Nuclear and Chemical Filter System. Refer to figure 2-79. For nuclear biological OR chemical
contamination, use BOTH the cartridge marked "FOR USE WITH RADIOACTIVE CONTAMINATED WATER
ONLY" and the cartridge marked "FOR USE WITH CHEMICALLY CONTAMINATED WATER ONLY."
NBC contaminants are potentially hazardous. Use extreme care in replacing cartridge and follow
safe procedures in their handling and disposal.
Do not operate chlorination feed pump during NBC operation.
Components for assembly of the nuclear and chemical filter system are located in the storage
The deionization cartridges should be positioned so that water flows first through the
cartridge marked "FOR USE WITH CHEMICALLY CONTAMINATED WATER ONLY" and then
through cartridge marked "FOR USE WITH RADIOACTIVE CONTAMINATED WATER" as shown
in figure 2-73.
Apply antiseize tape (from storage chest) to male threads of all threaded components.
Remove plugs from INLET and OUTLET ports on top of chemical cartridge (8).
Install two adapters (7 and 9) on chemical cartridge (8).
Remove plugs from INLET and OUTLET ports on top of nuclear cartridge (14).
Install two adapters (13 and 15) on nuclear cartridge (14).
Remove male quick disconnect fitting from gate valve (1). Female coupling shall remain in place.
Connect bushing (2) and barbed adapter (3) to gate valve (1).
Slide hose clamps (4 and 6) over ends of tube (5).
Push tube (5) onto barbed adapter (3). Position hose clamp (4) over barbed adapter, then tighten
Be sure to follow the setup procedures in steps 10 through 13 carefully. Pay special attention to
the INPUT and OUTPUT labels on the top of the NBC cartridges when connecting tubing to the
Connect other end of tube section (5) to barbed adapter (7) on INLET port of chemical cartridge (8).
Position hose clamp (6) over barbed adapter, then tighten clamp.