SIGMA 2
8
2. Grasp the sides of the cam-lock
buckle with the index finger and thumb of
the right hand, use the left index finger to
slide back the ribbed catch and lift the
buckle.
3. Open the buckle and lift the empty
cylinder from the back-plate.
3.7.1 Fitting a replacement
Cylinder of the same size.
1. Fit the cylinder valve through the
cylinder valve retainer, connect the buckle
hinge and close the cam-lock.
3.7.2 Fitting a replacement
Cylinder of a different size.
1. Adjust the length of the cylinder band
to permit the buckle hinge to be connected.
2. Adjust the cylinder band length until
the cylinder band grips the cylinder firmly,
then close the cam-lock.
3. Tidy the free end of the cylinder band
into the loops.
4. DONNING
PROCEDURE
4.1 HARNESS
1. Don apparatus. Adjust shoulder
straps for a comfortable fit, then fasten
waist-belt and adjust for a snug fit.
4.2 DON FACEMASK
1. Check that the bypass is shut (and on
first breath DVs, press the DV reset button).
4.2.1 Head Harness
1. Let facemask hang loosely from face
and breathe normally.
To Next Page
Loading...
Need help?
General
