Operating Manual
Page 2of 28 ©2022 enz® technik ag State 09.08.22
Preface .....................................................................................................................4
Purpose of the document.........................................................................................4
1Safety...............................................................................................................5
1.1 Noncompliance with the safety information and its consequences ............5
1.2 Target group.................................................................................................5
1.3 User requirements .......................................................................................5
1.4 Explanation of general safety instructions ...................................................6
1.5 Information provided in these operating instructions .................................6
1.6 Intended use.................................................................................................6
1.7 Safety warnings for modifications................................................................7
1.8 Protective equipment for working in manholes, excavations, and sewer
lines ......................................................................................................................7
1.9 General safety instructions ..........................................................................9
2Legal ..............................................................................................................11
2.1 Copyright ....................................................................................................11
2.2 Exclusion of liability ....................................................................................11
2.3 Warranty conditions...................................................................................11
3Wire rope and chain scrapers.........................................................................12
3.1 Introduction................................................................................................12
3.2 Application .................................................................................................12
4Installation.....................................................................................................13
4.1 Assembling the tools ..................................................................................13
4.2 Preparatory work .......................................................................................13
4.3 Setting up the work area ............................................................................13
4.4 Adjusting the wire rope and chain scraper to the sewer line diameter ....14
5Operation.......................................................................................................16
5.1 How to operate the tools ...........................................................................16
5.2 Cleaning pipes with minor damage ............................................................16
5.3 After use .....................................................................................................17
5.4 Completing the work process.....................................................................17
5.5 Troubleshooting .........................................................................................17
5.5.1 Chain scraper is prevented from rotating ..............................................17
5.5.2 No more forward movement.................................................................17
6Maintenance..................................................................................................19
6.1 Maintenance after each use.......................................................................19
6.2 Nozzle inserts .............................................................................................19
6.2.1 Replacing the nozzle inserts...................................................................19
6.3 Replacing parts ...........................................................................................20
