Retrofits And Modifications By The Operator; Maintenance And Repair - REXROTH PSG series Operating Instructions Manual

104 / 170 Bosch Rexroth AG
Safety instructions
2.6.6

Retrofits and modifications by the operator

2.6.7

Maintenance and repair

| Electric Drives
and Controls
Modification of the product
Possibility of reduction of safety of persons/systems, function
disturbances/restrictions!
Modifications of the product are normally not permitted.
"
If you think that you can only use the product after a change, you
have to contact us before performing the change. This is the only
way to find out whether or not changes can be made safely.
You may, in any case, only perform changes on the product with
our written consent!
Dangerous electrical voltage
Possibility of cardiac arrhythmia, burns, shock!
" Unless described otherwise, maintenance work must be per­
formed on inactive systems that have been sufficiently protected
against reclosing!
Measuring or test activities that might be necessary on the live
system are reserved to qualified electrical personnel!
Use suitable, insulated tools for all work on electrically conductive
"
parts.
Please note that the voltage inside the unit of the controlling elec­
"
tronic system directly after switching off the mains supply has not
been reduced to a harmless level yet.
Before working on the primary connection of the welding trans­
former, the inverter must be de-energized and its DC link must
have been discharged. When the inverter power supply has been
switched off, you should therefore wait for at least 5 minutes be­
fore working on the primary circuit.
Use suitable measuring equipment and an appropriate measu­
"
ring method to ensure that the respective unit is de-energized be­
fore carrying out any work on the unit.
Employing unqualified personnel
Possibility of reduction of safety of persons/systems, function
disturbances/restrictions!
Make sure that repair and maintenance work is performed by our
"
service or corresponding authorized repair or service points only!
PSG xxxx
WARNING
WARNING
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