Scott 3, 4.5, 2.2 manual Inspection Of Sems Pda Distress Alarm

INSPECTION OF SEMS PDA DISTRESS ALARM

1.While performing the visual inspection of the respirator visually inspect all SEMS PDA distress alarm enclosures, lenses, and wire conduits for cracks, wear or other damage. If damage is noted, remove respirator from service and tag respirator for repair by qualified personnel.

2.Before pressurizing the respirator by opening the cylinder valve, check the SEMS PDA distress alarm manual alarm feature by pressing the manual alarm button, located on the front of the Con- trol Console. Press and hold the manual alarm button at least two seconds. The manual alarm shall begin sounding a loud almost continuous 3 tone chirp accompanied by flashing of the red signal light on the Control Console and backframe. Reset the manual alarm by pressing twice on the reset button located on the side of the Control Console (fully depress reset button, release and press again). Unit will sound three chirps and green light will flash. Turn the unit off by pressing the reset button twice again. Unit will sound a two tone chirp and green lights will go out.

3.Open the cylinder valve to pressurize the system. The SEMS PDA distress alarm shall sound 3 quick chirps and the lights on the Con- trol Console and backframe shall begin flashing green about once a second. The 3 chirps will sound approximately the same time the VIBRALERT® in the mask mounted regulator actuates briefly.

4.Check pre-alarm: With respirator pressurized but with air flow stopped (with switch depressed on “donning switch” or “E-Z FLO™” regulators or with facepiece held to face on standard models), leave respirator motionless for 20 seconds. The green flashing lights shall be replaced by red flashing lights. An ascending/de- scending tone will sound increasing in volume.

5.Check pre-alarm reset: With respirator pressurized but with air flow stopped (see step 4 above) leave respirator motionless until pre-alarm condition occurs. Within 12 seconds, move the respira- tor to activate the Sensor Module. SEMS PDA distress alarm shall reset. The red flashing lights shall be replaced by green flashing lights and the ascending/descending tone shall stop.

Continue with regular operational inspection of respirator as di- rected by respirator instructions or your approved respiratory pro- tection plan procedure. During the inspection the respirator must be moved or turned every 30 seconds or less to prevent the sound- ing of the full alarm.

Perform the following checks after completion of all respira- tor checks and before turning off cylinder valve:

6.Check manual reset of pre-alarm: With respirator pressurized but with air flow stopped (see step 4 above) leave respirator motion- less until pre-alarm condition occurs. Within 12 seconds press and hold reset button. Three (3) chirps shall sound, then release button. The SEMS PDA distress alarm shall reset to the automatic mode and the flashing red lights will be replaced by a flashing green lights.

7.Check full alarm: Again, as in step 6 above, leave respirator mo- tionless until pre-alarm condition occurs. Do not reset. Within 12 seconds a loud, almost continuous 3 tone chirping shall begin, accompanied by the flashing of the red lights on the Control Con- sole and backframe. Display will read “PASS.”

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WARNING

IF THE LOW BATTERY INDICATION (ONE STEADY CHIRP EVERY TWO SECONDS WITH NO FLASHING LIGHTS) OCCURS AT ANY TIME DURING REGULAR OPERATIONAL INSPECTION, DO NOT USE THE RESPIRATOR. CHANGE THE BATTERY IN THE BATTERY COMPARTMENT IMMEDIATELY AND RE - PEAT THE REGULAR OPERATIONAL TEST OR TAKE THE RESPIRATOR OUT OF SERVICE UNTIL THE BATTERY IS CHANGED AND THE REGULAR OPERATIONAL TEST IS SUC - CESSFULLY PERFORMED.

WARNING

IF THE SEMS PDA DISTRESS ALARM IS U S E D I N A N A R E A O F E X P L O S I V E O R FLAMMABLE HAZARDS, FAILURE TO REGU- LARLY INSPECT AS INSTRUCTED, FAILURE TO CORRECT DAMAGE BEFORE USE OR THE INSTALLATION OF INCORRECT BAT- TERY MAY LEAD TO A FIRE OR EXPLOSION WHICH MAY RESULT IN PERSONAL INJURY OR DEATH.

REGULAR OPERATIONAL INSPECTION

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