Dräger PSS BG 4 RP, Instructions For Use Manual

Page: 62 / 78

62
Maintenance en
7. Slide the angled grommet into the CO
2
absorber. The clamps
must engage.
8. Insert the control line (2) into the silicone hose (1) and the
switch box (3). The plugs must engage. Pull gently on the
plugs to check that the medium-pressure hose is sitting
securely.
9. Label the CO
2
absorber: Mark installation date permanently
and clearly on the housing.
10. Fit the two springs between the pressure plate on the
breathing bag and the spring holder.
4.4.9 Assembling the connecting piece
1. Fit valve discs into the inhalation and exhalation valves.
Insert the plug on the valve disk into the central hole and
pull it until under-cut becomes visible.
2. Insert both valves (1) into the connecting piece. They have
different diameters and therefore cannot be confused.
The flow direction is marked with an arrow.
3. Examine the O-ring (3).
It must be clean and undamaged, otherwise it must be
replaced . Apply a thin coating of Molykote 111.
4. Fit the sealing cap (2).
5. If the closed-circuit breathing apparatus has a connecting
piece with condensate trap, grease the O-ring on the seal-
ing plug with Molykote 111. Seal the connecting piece with
the sealing screw.
32721851.eps
7
6
5
4
30221851.eps
1
2
3
NOTICE
The valve discs must have uniform contact on all sides
so that it can correctly control the breathing circuit.
i i
1 1
2
3
32921851.eps