Breathing Tube - 3M Versaflo TR-300 Series User Instructions

ground) during removal of the cover and filters. This will help minimize the potential for contamination of the interior of
the motor blower during cover and filter removal.
Filter Notes
° The HE filter may be left in place on the motor/blower for storage. Alternatively, remove the HE filter and seal dry in
a closed container.
Filter Surround Gasket (optional)
The TR-380 Filter Surround Gasket may be used in conjunction with a complete TR-300 system to help facilitate
cleaning of the motor blower unit by helping to reduce dust and particles from accumulating around the edges of the
filter housing. The filter surround gasket does not affect the filtration capability of the system. To install:
1. Remove and discard center support (A) from filter surround gasket (B) (Fig. 7a).
2. Carefully fit the filter surround gasket around the filter (Fig. 7b).
3. Place filter with filter surround gasket into the filter cover (Fig. 7c). Carefully tuck filter surround gasket material
between the top of the filter cover and filter housing.
4. Install filter as directed, being certain the hinge side of the filter cover is set in the motor/blower prior to latching (Fig. 7d).
B
Fig. 7a
Fig. 7c

Breathing tube

Select an approved breathing tube.
1. Insert the end of the breathing tube with the bayonet fitting (two small prongs) into the parallel slots in the air outlet
of the motor/blower (Fig. 8).
2. Twist the breathing tube 1/4 turn to the right to lock it into place.
3. Refer to the User Instructions for the headgear to be used for procedures to connect the breathing tube to the
head gear.
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Fig. 7b
Fig. 7d
Fig. 8
7
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