(4) The threaded hood connection is designed to swivel. Adjust the orientation of the
breathing tube so that it will not twist or kink the hood during use.
3.8.3 Attaching the Breathing Tube to the Low Profile Hood
(1) Remove the gray locking nut from the threaded end of the hose.
(2) Insert the hose into the air inlet hole in the back of the low profile hood.
(3) Reach inside the low profile hood and secure the gray locking nut to the threaded
end of the hose.
3.9 Installing the Optional HoodLens Cover
(1) Peel protective backing stickers from the ends of the hood lens cover.
(2) Ensure the hood lens is in the curved position.
(3) Insert one hand into the hood behind the lens.
(4) Press the hood lens cover onto the lens.
OptimAir TL PAPR 22
US 3 Preparing the OptimAir TL PAPR for Use