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7 exchanging the power supply assembly of tnc – HEIDENHAIN TNC 407 (243 020) Service Manual User Manual

Page 123

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SERVICE MANUAL TNC

Issue:

01.09.1995

Page 103

19.7 Exchanging the Power Supply Assembly of TNC

a)

Switch off the main switch at the machine tool.

Undo the locks and open the logic unit.

Undo locks

Power Supply Assembly

Disengage internal connectors

Disconnect

NC

power

supply

Press spring

to open ii

and pull out the