
Contents
Notes on the use of these operating instructions
099-008603-EW501
27.07.2016
1 Contents
1Contents ......................................................................................................................................3
2Safety instructions.......................................................................................................................4
2.1 Notes on the use of these operating instructions.....................................................................4
2.1.1 Complete documentation ........................................................................................4
2.1.2 Explanation of icons ...............................................................................................5
2.2 Transport and installation......................................................................................................6
3Intended use ................................................................................................................................7
3.1 For operation only with the following equipment......................................................................7
3.2 Documents which also apply .................................................................................................8
3.2.1 Warranty................................................................................................................8
3.2.2 Declaration of Conformity .......................................................................................8
3.2.3 Welding in environments with increased electrical hazards .......................................8
3.2.4 Service documents (spare parts and circuit diagrams) ..............................................8
3.2.5 Calibration/Validation..............................................................................................8
4Machine description –quick overview.........................................................................................9
4.1 Front view............................................................................................................................9
4.2 Rear view...........................................................................................................................10
5Design and function...................................................................................................................11
5.1 General..............................................................................................................................11
5.2 Machine cooling .................................................................................................................11
5.3 Installation .........................................................................................................................11
5.4 Cooling module assembly/disassembly ................................................................................12
5.5 Connecting the supply lines.................................................................................................13
5.5.1 Welding torch connection......................................................................................14
5.6 Connecting the wire feed unit ..............................................................................................15
5.7 Welding torch cooling system..............................................................................................16
5.7.1 Approved coolants overview .................................................................................16
5.7.2 Maximal hose package length ...............................................................................16
5.7.3 Adding coolant.....................................................................................................17
6Maintenance, care and disposal ................................................................................................18
6.1 General..............................................................................................................................18
6.2 Cleaning ............................................................................................................................18
6.3 Maintenance work, intervals ................................................................................................19
6.3.1 Daily maintenance tasks.......................................................................................19
6.3.1.1 Visual inspection....................................................................................19
6.3.1.2 Functional test.......................................................................................19
6.3.2 Monthly maintenance tasks...................................................................................19
6.3.2.1 Visual inspection....................................................................................19
6.3.2.2 Functional test.......................................................................................19
6.3.3 Annual test (inspection and testing during operation) ..............................................20
6.4 Disposing of equipment.......................................................................................................20
6.4.1 Manufacturer's declaration to the end user.............................................................20
6.5 Meeting the requirements of RoHS ......................................................................................20
7Rectifying faults.........................................................................................................................21
7.1 Checklist for rectifying faults................................................................................................21
7.2 Vent coolant circuit .............................................................................................................22
7.3 Fixing the pump shaft (coolant circuit)..................................................................................23
8Technical data ...........................................................................................................................24
8.1 cool50-2 U40......................................................................................................................24
8.2 cool50-2 U42......................................................................................................................24
9Accessories...............................................................................................................................25
9.1 General accessories ...........................................................................................................25
10 Appendix A................................................................................................................................26
10.1 Overview of EWM branches ................................................................................................26