Dräger PSS Series User Manual

Plus and PSS Series - Lung Demand Valve
tm 1285.001 - August 2001
5:13
Refer to Fig. 11.
4 Using posi-driv screwdriver
unscrew retaining screw (1) until
the locking arm (2) is able to be
withdrawn from castellation of
connector (3).
5 Remove connector as follows.
Note: Do Not attempt to remove push-
in or screw-in type connectors
with locking arm located in the
castellation of connector. Refer
to instruction 4.
Fig. 12
1139
2
Fig.11
1
1138
3
Push-in Type - A
Grip and unscrew push-in type connector (anti-clockwise) from demand
valve body. Remove injector pipe (4).
Screw-in Type - AE and N
Using connector tool (3310679) - insert pins of tool into swivel connector -
rotate to align slots of fixed end of connector and fully insert pins - unscrew
(anti-clockwise) to remove screw type connector and handwheel assembly
from demand valve body. Remove injector pipe (4).
6 Locate and correctly position
the new injector pipe as shown
in Fig. 12.
Important Note: Fit only the correct Injector
Pipe to the appropriate lung
demand valve.
7 Hold body of lung demand
valve with the injector pipe in
the vertical position then
assemble connector as follows.
Push-in Type - A
Inspect and if necessary fit new
O-ring to connector then screw
connector into demand valve
body. Tighten until flange of the
connector contacts the body of
the demand valve. Do Not
overtighten.
4

Dräger PSS Series Specifications

General

Type	Self-Contained Breathing Apparatus (SCBA)
Material	Stainless steel
Breathing Gas	Compressed air
Duration	Varies by cylinder capacity and breathing rate
Cylinder Material	Aluminum or composite
Communication	Integrated communication system (optional)
Operating pressure	Up to 300 bar (4350 psi)