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Self-contained Breathing Apparatus
Contents
WARNINGS ...............................................................................................................................................................................ii
1. INTRODUCTION..........................................................................................................................................................1
1.1 ABBREVIATIONS...............................................................................................................................................1
1.2 BREATHABLE AIR............................................................................................................................................. 1
1.3 COMPRESSED AIR AIRLINE SUPPLIES..........................................................................................................1
1.4 APPARATUS DURATION ..................................................................................................................................2
1.5 PERSONNEL TRAINING ...................................................................................................................................2
1.6 SERVICING........................................................................................................................................................ 2
1.7 SPARE PARTS AND ACCESSORIES ............................................................................................................... 2
1.8 WARRANTY....................................................................................................................................................... 3
1.9 NOTIFIED BODIES ............................................................................................................................................ 3
2. APPARATUS DESCRIPTION...................................................................................................................................... 3
2.1 GENERAL ..........................................................................................................................................................3
2.2 HARNESS .......................................................................................................................................................... 4
2.3 CYLINDER BAND .............................................................................................................................................. 4
2.4 THE PNEUMATIC SYSTEM .............................................................................................................................. 4
2.5 REDUCER.......................................................................................................................................................... 6
2.6 GAUGE AND WHISTLE.....................................................................................................................................6
2.7 DEMAND VALVE ...............................................................................................................................................6
2.8 OPTIONAL ATTACHMENTS ............................................................................................................................. 7
2.9 FACEMASKS .....................................................................................................................................................7
3. PRE-USE AND MONTHLY CHECKS..........................................................................................................................8
3.1 CHECK APPARATUS ........................................................................................................................................8
3.2 REPLACING SINGLE CYLINDERS ................................................................................................................... 8
3.3 REPLACING DUO CYLINDERS ........................................................................................................................ 9
3.4 CONVERTING FROM DUO CYLINDERS TO SINGLE CYLINDER.................................................................11
3.5 RESET DEMAND VALVE ................................................................................................................................ 12
3.6 CYLINDER PRESSURE / LEAK TEST ............................................................................................................ 12
3.7 DV AND FACEMASK .......................................................................................................................................13
3.7.1 All Facemasks......................................................................................................................................... 13
3.7.2 Facemasks with a Web Harness ............................................................................................................13
3.7.3 Facemasks with a Net Harness .............................................................................................................. 14
3.8 POSITIVE PRESSURE TEST ..........................................................................................................................14
3.9 WHISTLE TEST ............................................................................................................................................... 15
3.10 AIRLINE AND DECONTAMINATION ATTACHMENTS ................................................................................... 15
3.11 RSM ATTACHMENTS...................................................................................................................................... 15
3.12 HOSES.............................................................................................................................................................15
4. DONNING PROCEDURE ..........................................................................................................................................16
4.1 DON APPARATUS........................................................................................................................................... 16
4.2 CHECK DV / OPEN CYLINDER VALVE .......................................................................................................... 16
4.3 DON FACEMASK............................................................................................................................................. 16
4.3.1 Facemasks with a Web Harness ............................................................................................................16
4.3.2 Facemasks with a Net Harness .............................................................................................................. 17
4.4 POSITIVE PRESSURE TEST ..........................................................................................................................17
4.5 FACEMASK SEAL TEST .................................................................................................................................17
4.6 WHISTLE TEST ............................................................................................................................................... 18
4.7 FINAL CHECKS ...............................................................................................................................................18
4.8 ATTACHING AN AIRLINE................................................................................................................................18
5. DOFFING INSTRUCTIONS .......................................................................................................................................19
5.1 DOFFING THE APPARATUS ..........................................................................................................................19
5.2 REMOVE CYLINDER(S) ..................................................................................................................................19
6. AFTER USE...............................................................................................................................................................20
6.1 CLEANING ....................................................................................................................................................... 20
6.2 CHECK APPARATUS ......................................................................................................................................21
6.3 RECORD TEST DETAILS................................................................................................................................21
6.4 STORAGE........................................................................................................................................................21
7. SCHEDULED MAINTENANCE..................................................................................................................................22
7.1 MONTHLY........................................................................................................................................................ 22
7.2 ANNUALLY.......................................................................................................................................................22
Registered Office: Scott Health and Safety Limited, Pimbo Road, West Pimbo,
Skelmersdale, Lancashire, WN8 9RA, England.
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