Page 4
If using the SR500 with the SR200 full face mask, screw the threaded end of the hose into the front of the face piece. …attach particle filters to the SR500 Make sure you are using two Sundström particle filters. Prefilters MUST be used.
Page 6
…operate the fan unit The SR500 is operated with a single button. Switch on the fan by pressing the button once. The fan will start and perform a self-test. During the test, the display symbols will light up, the beeper will sound, and the vibrator will buzz.
Page 8
IMPORTANT! There is no warning for spent gas filters. …perform a functional check Make sure the SR500, headpiece and filters are intact and correctly assembled. Switch on the PAPR. Place the entire facepiece or headpiece into the test bag and seal off by closing your hand around both the bag and the breathing hose.
Page 9
If it seems impossible to get a successful measurement, call your supervisor. Do not use the equipment. Now test the alarm functions of the SR500. With the fan unit running, and still sealing off around the breathing hose, block the exhaust of the test flow tube with your thumb or hand.
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