Dräger PSS BG 4 plus User Manual

30 Dräger PSS BG 4 plus
Transport
4.9 Replacing the pressure reducer
4.9.1 Removing the pressure reducer
1. Remove the compressed oxygen cylinder
(see chapter 4.2.1 on page 17).
2. Unfasten the medium-pressure hose from the pressure
reducer (see chapter 4.2.11 on page 20).
3. Unfasten the high-pressure sensor using an open-end
wrench (SW 17) and remove from the pressure reducer.
4. First unfasten the grub screw, then the crown nut.
5. Remove the bypass valve switch and spring.
6. Take the pressure reducer out of the closed-circuit
breathing apparatus.
4.9.2 Installing the pressure reducer
1. Install the pressure reducer into the closed-circuit
breathing apparatus.
2. Install the spring and the bypass valve switch.
3. Install the reinforcing plate and the crown nut.
4. Secure the crown nut using the grub screw.
5. Install the high-pressure sensor into the pressure reducer
and tighten gently with an open-end spanner (SW 17;
torque: 15+5 Nm).
6. Insert the medium-pressure hoses into the pressure
reducer. They must engage into place. Pull gently on the
plugs to check that the medium-pressure hoses fit
correctly.
7. Fit the compressed oxygen cylinder (see chapter 3.3.2 on
page 11).
5 Transport
Ensure that the closed-circuit breathing apparatus is
transported in an upright position so that the condensate in the
breathing hoses can gather in the drain valve and breathing
bag.
6 Storage
When the closed-circuit breathing apparatus is stored with
fitted CO
2
absorber, the breathing circuit must be closed. The
compressed oxygen cylinder does nove to be installed. The
expiry date of the CO
2
absorber must not be exceeded during
the next use.
Store the closed-circuit breathing apparatus ready for use in a
dark, cool, dry, dirt-free and dust-free place. Avoid exposure to
UV rays and ozone. The closed-circuit breathing apparatus
should be stored upright as far as possible.
7 Disposal
Dispose of the closed-circuit breathing apparatus in
accordance with the applicable rules and regulations.
Dräger accepts returned disposable CO
2
absorber cartridges
for a charge. A decision on its subsequent use will be made
when the product is returned. For information please contact
the national sales organisations and Dräger.
Alternatively, the CO
2
absorber can be disposed of as follows:
1. Pack the CO
2
absorber in a bag and seal air-tight.
2. Dispose of the CO
2
absorber in accordance with the
relevant regulations.
WARNING
When installing the pressure reducer, ensure that no
dust or finger grease reaches the pressure reducer.
Contact with oil, grease or similar contaminants
can result in serious injuries or death. Either a fire,
an explosion or both may also be caused.
Wear suitable protective gloves!
50021851.eps
!
CAUTION
Risk of chemical burns!
The chemicals in the CO
2
absorber react with the
humidity in the atmosphere or water to form a caustic
base. The base causes severe eye damage and skin
irritation, it can also irritate the respiratory system.
Use protective goggles and base-resistant gloves
when working with the CO
2
absorber.
!
Page 30
Draeger Training 11/16 rev 1

Dräger PSS BG 4 plus Specifications

General

Brand	Dräger
Model	PSS BG 4 plus
Category	Diving Instrument
Language	English