Installation The panel may be carried to the site on the pallet and unrolled on two planks of suitable lengths at the erection site Apply compressed air through the quick coupling until the unit is suf ficiently stif f to raise using the planks Continue inflation until the panel has stabilized against floor walls and roof The panel is equipped with a pressure regulator After inflation disconnect compressed air and connect pressure regulator Adjust regulator to nearopen threshold Listen for escaping air when adjusting T urn knob clockwise to increase pressure in the enclosure The regulator is equipped with a selfpurging water filter to prevent failure in damp drifts A discharge valve is located to the side of the control unit The panel will not normally provide a hermetic seal against the uneven walls of the tunnel Use pieces of foam plastic as required to plug leaks At floor level the simplest method is to shovel coarse material against the panel The stop panel is available with an opening in the center on request OR T DRIFT MANOVER T A VLA CONTROL UNIT Inflatable stopping panel ROCVENT INC MINE TUNNEL VENTILATION 48 wwwrocventcom