3-29. SERVICE NBC FILTER. This task covers:
Ion exchange resin (Appx E, Sec II, Item 20)
Activated carbon (Appx E, Sec II, Item 13)
Wiping rags (Appx E, Sec II, Item 58)
ROWPU shutdown to standby (para. 2-18).
NBC filter set-up for nuclear decontamination
mission (para. 2-33).
General Safety Instructions:
When deployed on an NBC decontamination
mission, protective gear, appropriate MOPP
level, as approved by the supervisor will be
Avoid skin contact with spent NBC filter media.
Use protective gear with mask. Failure to do so
could result in death.
a. If empty, request ion exchange resin and activated carbon from unit maintenance.
(1) Empty eleven containers of ion exchange resin (35 Ibs. each) into the filter.
(2) Empty nine containers of activated carbon (35 Ibs. each) into the filter on top of the resin.
(3) Wipe the flange surface and gasket clean, close the filter cover (1, Figure 3- 17), and tighten the clamps (2).
Figure 3-17. Service NBC Filter
3-30. REPAIR NBC FILTER HOSES. This task covers replacement of connector gaskets for tri-clamp connectors.
Unscrew tri-clamp (3, Figure 3-17) and remove clamp.
Separate hose from piping and remove gasket (4).
Wipe flange surfaces and clean gasket.
Install gasket (4) and position hose on piping.
Install and tighten tri-clamp (3).
Change 2 3-61