i
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
2.
APPARATUS DESCRIPTION......................................................................................................................... 3
2.1
GENERAL .............................................................................................................................................. 3
2.2
HARNESS.............................................................................................................................................. 3
2.3
CYLINDER BAND .................................................................................................................................. 3
2.4
THE PNEUMATIC SYSTEM .................................................................................................................. 5
2.5
REDUCER.............................................................................................................................................. 5
2.6
GAUGE AND WHISTLE......................................................................................................................... 5
2.7
DEMAND VALVE ................................................................................................................................... 5
2.8
OPTIONAL ATTACHMENTS ................................................................................................................. 6
2.9
FACEMASKS ......................................................................................................................................... 6
3.
PRE-USE AND MONTHLY CHECKS............................................................................................................. 7
3.1
CHECK APPARATUS............................................................................................................................ 7
3.2
REPLACING SINGLE CYLINDERS....................................................................................................... 7
3.3
REPLACING DUO CYLINDERS ............................................................................................................ 8
3.4
CONVERTING FROM DUO CYLINDERS TO SINGLE CYLINDER.................................................... 10
3.5
RESET DEMAND VALVE .................................................................................................................... 11
3.6
CYLINDER PRESSURE / LEAK TEST ................................................................................................ 11
3.7
DV AND FACEMASK........................................................................................................................... 12
3.7.1
All Facemasks............................................................................................................................. 12
3.7.2
Facemasks with a Web Harness................................................................................................. 12
3.7.3
Facemasks with a Net Harness................................................................................................... 13
3.8
POSITIVE PRESSURE TEST.............................................................................................................. 13
3.9
WHISTLE TEST................................................................................................................................... 14
3.10
AIRLINE AND DECONTAMINATION ATTACHMENTS....................................................................... 14
3.11
RSM ATTACHMENTS ......................................................................................................................... 14
3.12
HOSES................................................................................................................................................. 14
4.
DONNING PROCEDURE ............................................................................................................................. 15
4.1
DON APPARATUS............................................................................................................................... 15
4.2
CHECK DV / OPEN CYLINDER VALVE.............................................................................................. 15
4.3
DON FACEMASK................................................................................................................................. 15
4.3.1
Facemasks with a Web Harness................................................................................................. 15
4.3.2
Facemasks with a Net Harness................................................................................................... 16
4.4
POSITIVE PRESSURE TEST.............................................................................................................. 16
4.5
FACEMASK SEAL TEST ..................................................................................................................... 16
4.6
WHISTLE TEST................................................................................................................................... 17
4.7
FINAL CHECKS ................................................................................................................................... 17
4.8
ATTACHING AN AIRLINE.................................................................................................................... 17
5.
DOFFING INSTRUCTIONS .......................................................................................................................... 18
5.1
DOFFING THE APPARATUS .............................................................................................................. 18
5.2
REMOVE CYLINDER(S)...................................................................................................................... 18
6.
AFTER USE .................................................................................................................................................. 19
6.1
CLEANING........................................................................................................................................... 19
6.2
CHECK APPARATUS.......................................................................................................................... 20
6.3
RECORD TEST DETAILS.................................................................................................................... 20
6.4
STORAGE............................................................................................................................................ 20
7.
SCHEDULED MAINTENANCE..................................................................................................................... 21
7.1
MONTHLY............................................................................................................................................ 21
7.2
ANNUALLY .......................................................................................................................................... 21
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