PRO-PAK
18
5. DOFFING
INSTRUCTIONS
5.1 DOFFING THE
APPARATUS
WARNINGS:
•
DO NOT remove apparatus until
well clear of the hazardous area.
•
If wearing a gas-tight chemical
suit, DO NOT remove until
decontamination procedures are
complete.
•
During
extended
de-
contamination
procedures,
connect an airline to the DCC
attachment.
1.
Hold breath and press the DV reset
button.
2.
Release the head-harness by
pulling the harness buckles forwards.
Remove mask and let it hang from the
neck strap.
3.
Release the handwheel locking
mechanism and close the cylinder
valve(s).
4.
Open the DV bypass knob to
depressurise the system, then turn the
bypass to OFF.
5.
Release the waistbelt buckle,
slacken shoulder straps by pulling up
metal buckles and doff the apparatus.
5.2 REMOVE CYLINDER(S)
1.
Close the cylinder valve(s) and vent
the pneumatics by opening the bypass.
Unscrew cylinder valve connector
handwheel(s).
CAUTION:
Ensure air is completely evacuated
from the Set before removing the high-
pressure hose.
2.
Release cylinder band clamp
mechanism and remove cylinder(s) - (see
Section 3
of this Manual). Mark
cylinder(s) as empty, store separately
from charged cylinders and return for
charging.