GB
MSA Using the Compressed Air Breathing Apparatus
AirGo 37
3.12. Removing the Compressed Air Cylinders
3.12.1. Pressure Reducer with Thread Connection
(1) Place the compressed air breathing apparatus in a horizontal position with
the cylinder facing up.
(2) Hinge up cylinder buckle at cylinder strap ( Fig. 18) and thus loosen the
strap.
When exchanging compressed air cylinders of the same diameter
(without attached bumpers), only the cylinder buckle needs to be opened.
(3) Close cylinder valve(s) and release air from pneumatic system of the SCBA
with lung governed demand valve.
(4) Unthread cylinder valve(s) from pressure reducer and/or T-piece.
Attention!
Do not remove the compressed air cylinder(s) from the cylinder strap or
transport the compressed air cylinder(s) by the handwheel.
This could accidentally open the cylinder valve.
(5) Lift compressed air cylinder(s) at the valve and pull out of cylinder strap.
(6) Close high pressure connection cylinder valve(s) with protection plug(s).
3.12.2. Pressure Reducer with alphaCLICK 2
(1) Place the compressed air breathing apparatus in a horizontal position with
the cylinder facing up.
(2) Hinge up cylinder buckle at cylinder strap ( Fig. 18) and thus loosen strap.
When exchanging compressed air cylinders of the same diameter
(without attached bumpers), only the cylinder buckle needs to be
opened.
(3) Close cylinder valve(s) and release air from pneumatic system of the SCBA
with lung governed demand valve.
(4) For compressed air cylinders with alphaCLICK 2 turn the handwheel on the
coupling side (arrow 1) in a clockwise direction first ( Fig. 24) and then,
when closed up to the stop, push downwards in the direction of the pressure
reducer (arrow 2).
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