Dräger PSS BG 4 plus User Manual

Dräger PSS BG 4 plus
Content
1
For your safety. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
1.1
General safety statements . . . . . . . . . . . . . . . . . . . .4
1.2
Meaning of the alert icons . . . . . . . . . . . . . . . . . . . .4
Component
Identification.......................5
2
Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Product overview . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.1.1 Closed-circuit breathing apparatus . . . . . . . . . . . . . .6
2.1.2 Sentinel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
2.2 Functional description . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2.1 Closed-circuit breathing apparatus . . . . . . . . . . . . . .6
2.2.2 Electronic monitoring system . . . . . . . . . . . . . . . . . .6
2.3 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4 Limitations on use . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.4.1 General cautions and limitations . . . . . . . . . . . . . . .7
2.4.2 NIOSH cautions and limitations . . . . . . . . . . . . . . . .7
2.4.3 Special or critical user’s instructions . . . . . . . . . . . . .7
2.4.4 Restrictions to the usage period . . . . . . . . . . . . . . . .8
2.5 Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
2.6 Explanation of symbols and type-identifying marks .9
3 Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.1 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
3.2 Prior to first use . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3 Preparation for use . . . . . . . . . . . . . . . . . . . . . . . . .10
3.3.1 Opening and closing the
closed-circuit breathing apparatus . . . . . . . . . . . . . 10
3.3.2 Fitting the compressed oxygen cylinder . . . . . . . . .11
3.3.3 Inserting an ice pack . . . . . . . . . . . . . . . . . . . . . . . . 12
3.3.4 Testing correct functioning of the closed-circuit
breathing apparatus . . . . . . . . . . . . . . . . . . . . . . . .12
3.3.5 Donning the closed-circuit breathing apparatus . . . 13
3.4 During use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.4.1 General instructions for use . . . . . . . . . . . . . . . . . .14
3.4.2 In an emergency . . . . . . . . . . . . . . . . . . . . . . . . . . .14
3.4.3 Switching off Sentinel alarms . . . . . . . . . . . . . . . . .14
3.5
After use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
4
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
4.1
Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . .16
4.2 Disassembly of the closed-circuit
breathing apparatus . . . . . . . . . . . . . . . . . . . . . . . .17
4.2.1
Removing the compressed oxygen cylinder . . . . . .17
4.2.2
Removing the breathing hoses . . . . . . . . . . . . . . . .17
4.2.3
Disassembling and testing the connecting piece . .17
4.2.4
Removing the CO2 absorber . . . . . . . . . . . . . . . . .17
4.2.5
Removing and testing the pressure relief valve . . .18
4.2.6
Removing the breathing air cooler . . . . . . . . . . . . .18
4.2.7
Removing the lever . . . . . . . . . . . . . . . . . . . . . . . . .18
4.2.8 Removing breathing bag, drain valve, minimum valve
and where applicable the water absorber . . . . . . . .19
4.2.9
Removing the switch box . . . . . . . . . . . . . . . . . . . .19
4.2.10 Disassembling waist belt and shoulder straps . . . .20
4.2.11 Unfastening the plug-in connectors on the medium-
pressure hoses . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
4.3
Cleaning and disinfecting . . . . . . . . . . . . . . . . . . . .20
4.3.1 Cleaning and disinfecting procedure
for the USA only . . . . . . . . . . . . . . . . . . . . . . . . . . .21
4.3.2
4.4
Cleaning and disinfecting procedure
for other countries . . . . . . . . . . . . . . . . . . . . . . . . . .21
Assembly of the closed-circuit breathing apparatus 21
4.4.1
Fitting waist belt and shoulder straps . . . . . . . . . . .21
4.4.2
Fitting the drain valve . . . . . . . . . . . . . . . . . . . . . . .21
4.4.3
Fitting the minimum valve . . . . . . . . . . . . . . . . . . . .21
4.4.4
Fitting the breathing bag . . . . . . . . . . . . . . . . . . . . .22
4.4.5
Fitting the breathing air cooler . . . . . . . . . . . . . . . .22
4.4.6 Connecting the hose of the constant metering
valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
4.4.7
Fitting the switch box . . . . . . . . . . . . . . . . . . . . . . .22
4.4.8
Fitting the CO2 absorber . . . . . . . . . . . . . . . . . . . .22
4.4.9
Assembling the connecting piece . . . . . . . . . . . . . .23
4.4.10 Fitting the breathing hoses . . . . . . . . . . . . . . . . . . .24
4.5
Testing of the closed-circuit breathing apparatus . .25
4.5.1
Preparation of test . . . . . . . . . . . . . . . . . . . . . . . . .26
4.5.2 Checking the response threshold of the
low pressure warning . . . . . . . . . . . . . . . . . . . . . . .26
4.5.3
Checking the inhalation valve . . . . . . . . . . . . . . . . .26
4.5.4
Checking the exhalation valve . . . . . . . . . . . . . . . .26
4.5.5
Checking the drain valve . . . . . . . . . . . . . . . . . . . .26
4.5.6
Performing the leak test with positive pressure . . .27
4.5.7
Checking the relief valve . . . . . . . . . . . . . . . . . . . . .27
4.5.8
Performing the high pressure leak test (optional) . .27
4.5.9 Checking constant metering valve and
bypass valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
4.5.10 Checking the minimum valve . . . . . . . . . . . . . . . . .27
4.5.11 Checking the residual pressure warning . . . . . . . . .28
4.5.12 Switching off the Sentinel and checking the battery
charge status . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
4.5.13 Closing the protective cover . . . . . . . . . . . . . . . . . .28
4.6
Inserting or replacing the Sentinel battery . . . . . . .28
4.7
Testing the functional capability of the Sentinel . . .29
4.8
Self-test sequence of the Sentinel . . . . . . . . . . . . .29
4.9
Replacing the pressure reducer . . . . . . . . . . . . . . .30
4.9.1
Removing the pressure reducer . . . . . . . . . . . . . . .30
4.9.2
Installing the pressure reducer . . . . . . . . . . . . . . . .30
5
Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
6
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. .30
7
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
8
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
9
Order list. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
10
Annex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Content
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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