II
Contents Page
4.2.2 Rechargeable battery servicing............................................22
4.3 Battery alarm...........................................................................22
4.4 Replacing disposable/rechargeable batteries .........................23
5 Maintenance ..........................................................................24
5.1 Device inspection ....................................................................24
5.1.1 General information on the device inspection ......................24
5.1.1.1 Scope................................................................................24
5.1.1.2 Frequency .........................................................................24
5.1.1.3 Documentation..................................................................24
5.1.1.4 Integrated device inspection .............................................25
5.1.1.5 Sequence..........................................................................26
5.1.2 Performing the device inspection .........................................26
5.1.2.1 Accessing the device inspection .......................................26
5.1.2.2 Concluding the device inspection......................................27
5.1.3 Testing the general status ....................................................29
5.1.3.1 Housing.............................................................................29
5.1.3.2 Signals ..............................................................................29
5.1.3.3 Probe.................................................................................29
5.1.3.4 Filter ..................................................................................30
5.1.3.5 Pump.................................................................................30
5.1.4 Testing indication accuracy with supply of fresh air .............31
5.1.5 Testing indication accuracy with supply of test gas..............31
5.2 Adjustment ..............................................................................33
5.2.1 Scope ...................................................................................33
5.2.2 Preparation...........................................................................33
5.2.3 Carry out adjustment............................................................33
5.2.3.1 Adjusting the zero point.....................................................34
5.2.3.2 Adjusting sensitivity...........................................................34
5.2.4 Carrying out oxygen adjustment ..........................................35
5.2.4.1 Adjusting the zero point for oxygen...................................35
5.2.4.2 Adjusting the sensitivity for oxygen...................................36
5.3 Servicing .................................................................................37
6 Faults......................................................................................38
7 Appendix................................................................................39
7.1 Specications and permitted operating conditions..................39
7.2 Limit values for the device inspection .....................................40
