Manual

12
PPi Dual Drive
8 Maintenance and cleaning
8 Maintenance and cleaning
! DANGER
Risk of injury due to unexpected start-up.
For the entire duration of maintenance, servicing, dismounting and repair work,
the following instructions must be adhered to:
•Switchoffthepowersupply.
•Closeoffthecompressedgassupply.
•Pullthemainsplug.
! DANGER
Electric shock
Dangerous voltage due to defective cables.
•Switchoffthepowersupply.
•Checkalllivecablesandconnectionsforproperinstallation.
•Replaceanydamaged,deformedorwornparts.
Note
• Maintenanceandcleaningworkmayonlybecarriedoutbyqualied
and trained specialists.
• Checkcoolanthoses,sealsandconnectionsfordamageandtightness
and replace them , if necessary.
• Alwayswearyourpersonalprotectiveclothingwhenperforming
maintenance and cleaning work.
7 Putting out operation
Note
• Liquid-cooledhoseassemblieswillstartleakingifoverheated.Thisis
why the cooling unit should continue running for approx. 5 min. after
welding.
1. Stop welding.
2. Wait until the shielding gas flow has subsided and then switch off the power
supply.
3. Close the valve of the shielding gas cylinder.