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Every year
Cooling water system with about 25 % citric acid rinse for about
an hour. Then system thoroughly flush with clean water and
check for possible leaks. This cleaning-supply cycle is highly de-
pendent on the hardness and cleanliness of the cooling water.
Tighten all electrical connections, especially the high current con-
nections.
Retighten all screws of the water cooling, compressed air and
protective gas supply.
Every 4 years
Repeat electrical test of the device.
The intervals of 4 years relate to a trouble-free operation of the
electrical equipment. After an exchange of components (repair or
extension) are in
EN60204-1: 2006 + A1: 2009
defined tests to be performed.
Note:
The operator is in accordance with the Industrial Safety Regulation
(BetrSichV) in Germany or pursuant to Directive 2009/104 / EC * in
the EU required to define the cycle for the safety inspection of me-
chanical and electrical equipment.
8.3 Repair
The system must be repaired only by authorized personnel. Never try
to repair the system yourself. Incorrect repairs can lead to health
problems or damage to the equipment.
*Directive 2009/104/EG
of the European Parliament and of the Council of 16 September 2009 concerning mini-
mum safety and health protection for the use of work equipment by workers at work (sec-
ond individual Directive within the meaning of Article 16 paragraph 1 of Directive 89/391 /
EEC).
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