Dräger PSS Series

Plus and PSS Series - Lung Demand Valve
tm 1285.001 - August 2001
5:11
3 Carefully locate outer bead of diaphragm into the body of the demand
valve. Locate tapered side of slip ring into recess in bead of diaphragm
then locate positive pressure spring of bayonet cap into the recess in
centre plate of diaphragm.
Using plate spanner, inserted into radial slots of the bayonet cap, lock
bayonet cap to body then re-fit and fold rubber cover over the front of
the demand valve. Press re-set button to switch ‘Off’ positive pressure.
Note: Fixed variants of the lung demand valves should be fitted directly to the
medium pressure outlet port of the pressure reducer. For details of fitting
of hose to the reducer refer to the appropriate section of the relevant
C.A.B.E. Training Manual.