PROCEDURES FOR REMOVING CONTAMINATED FILTERS .
Caution:
When removing contaminated filters or using this machine, you should always wear gloves,
clothing and a respirator approved for the particular contaminant which you are working with.
FILTER REMOVAL PROCEDURES
1.
Turn off and unplug machine
2.
Slowly and carefully lift one side of the lid assembly from the tank. Holding the lid with
one hand, reach under the lid and gently tap all around the dacron filter bag, allowing any
loose dust particles to drop into the tank.
3.
Carefully lift the lid assembly off the tank. With a damp rag, wipe underside of the lid
assembly. Set it aside and dispose of rag properly. (Never set the lid assembly down on the
HEPA filter).
4.
Remove the impaction prefilter. (Refer to the following section "Procedure on changing the
impaction filter").
5.
Carefully pull the paper filter protector bag over the rim of the tank and push it down into
the tank.
Caution:
Be careful not to create any airborne dust by snapping the elastic bag
6.
Take the plastic bag off the lip of the tank and gently squeeze the plastic bag shut.
Carefully remove from the tank and tie a knot in the upper portion of the bag. (This is to
insure that no dust particles escape while transferring to a proper container).
7.
Take a damp rag and wipe down the inside of the tank. Dispose of contaminated rag
properly.
8.
All hazardous waste must be disposed of properly. Never put contaminated debris in a
regular trash container. All debris must be placed in a bag or container labeled "Hazardous
Materials", and should be removed by a licensed waste hauler.
CONSULT PROPER AUTHORITIES FOR REGULATIONS REGARDING DISPOSAL
PROCEDURE ON CHANGING THE IMPACTION FILTER
1.
The precautionary steps described in this manual should be used when changing the
impaction prefilter.
2.
The impaction prefilter should be changed when any of the following occur.
A. Whenever a tear is found in any of the filters preceding the impaction filter.
B. At least every other time the collection bag is changed.
3.
To change the impaction prefilter, follow the first three procedures in the section on "Filter
Removal Procedures" and then proceed.
4.
Carefully slide the Dacron filter bag off the HEPA filter and set aside.
5.
Remove the impaction prefilter from the HEPA filter. (Never use any type of tool or object
to remove this filter, to insure that you do not puncture the HEPA filter). This filter cannot
be cleaned or reused and should be disposed of properly.