HEIDENHAIN TNC 306 Service Manual - Manual (Page 105)

SERVICE MANUAL TNC 306/360
Page 98
HEIDENHAIN Service
19.5 Exchanging the "POWER SUPPLY" Assembly
a) Switch off the main switch at the machine tool
b) Open the LOGIC UNIT
c) Loosen the plug connections and the clamped joints
Note:
For power supplies without connectors, the connector X11 on the processor board
must be disconnected (see section 19.3) instead of the connector at the power supply
unit (power supply unit lacks connector, see section 8.3)