Sigma 2 Type 27
Fitting a replacement Cylinder of
the same size.
Fit the cylinder valve through the cylinder valve
retainer, connect the buckle hinge and close
the cam-lock.
Fitting a replacement Cylinder of a
different size.
DONNING PROCEDURE
HARNESS
DON FACEMASK
Check that the bypass is shut and press the
DV reset button).
Head Harness
Adjust the length of the cylinder band to permit
the buckle hinge to be connected.
Adjust the cylinder band length until the
cylinder band grips the cylinder firmly, then
close the cam-lock.
Tidy the free end of the cylinder band into the
loops.
Don apparatus. Adjust shoulder straps for a
comfortable fit, then fasten waist-belt and
adjust for a snug fit.
Let facemask hang loosely from face and
breathe normally.
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