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PSS BG 4 plus
Dräger PSS BG 4 plus User Manual
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W
ARNING
S
trictly follow the Instructions for Use.
The user must fully und
erstand and strictly observe the
instructions. Use the product on
ly for the purposes specified
in the Intended use section of this document.
!
Dräger PSS BG 4 plus
i
Draeger BG4 Maintenance Manual
Draeger Training Department
Reference Only - Material subject to change without notice
Draeger Training 11/16 rev 1
2
Table of Contents
Table of Contents
2
1 For Your Safety
4
General Safety Statements
4
Meaning of the Alert Icons
4
2 Description
6
Product Overview
6
Closed-Circuit Breathing Apparatus
6
Sentinel
6
Functional Description
6
Electronic Monitoring System
6
Intended Use
7
Limitations on Use
7
General Cautions and Limitations
7
NIOSH Cautions and Limitations
7
Special or Critical User's Instructions
7
Restrictions to the Usage Period
8
Approvals
8
Explanation of Symbols and Type-Identifying Marks
9
3 Use
10
Prerequisites
10
Prior to First Use
10
Preparation for Use
10
Opening and Closing the Closed-Circuit Breathing Apparatus
10
Fitting the Compressed Oxygen Cylinder
11
Inserting an Ice Pack
12
Testing Correct Functioning of the Closed-Circuit Breathing Apparatus
12
Donning the Closed-Circuit Breathing Apparatus
13
During Use
14
General Instructions for Use
14
In an Emergency
14
Switching off Sentinel Alarms
14
After Use
15
4 Maintenance
16
Maintenance Intervals
16
Disassembly of the Closed-Circuit Breathing Apparatus
17
Removing the Compressed Oxygen Cylinder
17
Removing the Breathing Hoses
17
Disassembling and Testing the Connecting Piece
17
Removing the CO2 Absorber
17
Removing and Testing the Pressure Relief Valve
18
Removing the Breathing Air Cooler
18
Removing the Lever
18
Removing Breathing Bag, Drain Valve, Minimum Valve and Where Applicable the Water Absorber
19
Removing the Switch Box
19
4.2.10 Disassembling Waist Belt and Shoulder Straps
20
Unfastening the Plug-In Connectors on the Medium-Pressure Hoses
20
Cleaning and Disinfecting
20
Cleaning and Disinfecting Procedure for the USA Only
21
Cleaning and Disinfecting Procedure for Other Countries
21
Assembly of the Closed-Circuit Breathing Apparatus
21
Fitting Waist Belt and Shoulder Straps
21
Fitting the Drain Valve
21
Fitting the Minimum Valve
21
Fitting the Breathing Bag
22
Fitting the Breathing Air Cooler
22
Connecting the Hose of the Constant Metering Valve
22
Fitting the Switch Box
22
Fitting the CO2 Absorber
22
Assembling the Connecting Piece
23
4.4.10 Fitting the Breathing Hoses
24
Testing of the Closed-Circuit Breathing Apparatus
25
Preparation of Test
26
Checking the Response Threshold of the Low Pressure Warning
26
Checking the Inhalation Valve
26
Checking the Exhalation Valve
26
Checking the Drain Valve
26
Performing the Leak Test with Positive Pressure
27
Checking the Relief Valve
27
Performing the High Pressure Leak Test (Optional)
27
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
Switching off the Sentinel and Checking the Battery Charge Status
28
4.5.13 Closing the Protective Cover
28
Inserting or Replacing the Sentinel Battery
28
Testing the Functional Capability of the Sentinel
29
Self-Test Sequence of the Sentinel
29
Replacing the Pressure Reducer
30
Removing the Pressure Reducer
30
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
Bench Test Flow Chart
35
Test It 6100 - Testing a BG4
37
RZ 25 - Testing a BG4
50
BG4 Test Checklist
62
Isolation Plug Kit
63
Isolation Testing / Troubleshooting
67
Pneumatics
71
Sentinel System
75
Breathing Loop Leak Check
77
Isolation
88
Checklist before Use
96
Checklist after Use
97
Part Lists
98
FPS 7000 Mask
98
BG4 Complete
105
CO2 Canister Information/Testing
142
Battery Information
144
Bg-4 Electronic Ccba Test Kit
148
Default Chapter
148
RZ 50E - Testing a BG4
148
For Your Safety
149
Testing
150
Preparing for Tests
150
Pressure Gauge Preparation
150
Tubing Connection
150
System Leak Test
150
Test Setup
151
Panorama Nova
157
RZ7000 Testing a BG4
158
Checking the Response Threshold of the Low-Pressure Warning
160
Checking the Inhalation Valve
160
Checking the Exhalation Valve
160
Checking the Drainage Valve
160
Bypass Valve
161
Checking the Relief Valve
161
5
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Dräger PSS BG 4 plus Specifications
General
Brand
Dräger
Model
PSS BG 4 plus
Category
Diving Instrument
Language
English
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