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
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