SICK GM35 User Manual

CONTENTS
5
8009389/YN39/V3-0/2015-08| SICK OPERATING INSTRUCTIONS | GM35
Subject to change without notice
7.3 Mechanical preparations for the SR-unit and reflector...............................77
7.3.1 Checking the scope of delivery ....................................................77
7.3.2 Transport safety devices ..............................................................77
7.3.3 Cleaning the optical interface ......................................................78
7.4 Aligning the measuring probe in flow direction ...........................................79
7.4.1 Installing the SR-unit on the measuring probe............................80
7.5 Adjustment work ...........................................................................................82
7.5.1 Prerequisites and location selection for adjustment work .........82
7.5.2 Adjustment preparations..............................................................83
7.5.3 Aligning the optical axis of the measuring probe ........................84
7.5.4 Performing zero adjust .................................................................87
7.6 Starting measuring operation.......................................................................88
7.6.1 Starting up the purge air supply...................................................88
7.6.2 GPP measuring probes: Power supply .........................................89
7.6.3 Installing the GM35 SR-unit and measuring probe on the duct.89
7.6.4 Electrical connections and checking the optical alignment .......90
7.6.5 Weatherproof cover ......................................................................92
7.6.6 Evaluation unit start-up ................................................................93
7.6.7 Setting up the SCU System Control Unit .....................................93
7.6.7 Mapping Table...........................................................93
7.6.7 Measured values on SCU – Measured value (MV) ..93
7.6.7 Control values on SCU – Monitor values (MO).........93
7.6.7 Operating state of the GM35 – State (S) .................94
8 Test Gas Measurement with GPP Measuring Probes.........................96
8.1 One-off preliminary measurement/determining the settings .....................97
8.2 Manual gas test ............................................................................................98
9 Maintenance.............................................................................................99
9.1 Safety.............................................................................................................99
9.2 Preparation and general preparatory work ............................................... 101
9.3 Maintenance work on SR-unit and measuring probe............................... 103
9.3.1 Taking the SR-unit with measuring probe off the sample
gas duct...................................................................................... 103
9.3.2 Visual inspection and enclosure cleaning ................................ 104
9.3.3 Cleaning the optical interfaces on the SR-unit......................... 104
9.4 Maintenance work on the purge air supply .............................................. 106
9.4.1 Safety ......................................................................................... 106
9.4.2 General information on maintenance work on the purge
air supply.................................................................................... 106
9.4.3 Preparation and general inspection ......................................... 106
9.4.4 Checking and replacing the purge air filter .............................. 107
9.4.5 Restarting and checking the purge air unit .............................. 109

SICK GM35 Specifications

General

Brand	SICK
Model	GM35
Category	Measuring Instruments
Language	English