HEIDENHAIN TNC 407 (243 020) Service Manual - Manual (Page 113)

JOHANNES
D-83292
SERVICE MANUAL TNC
Issue:
01
Page 93
19.2 Exchanging the Logic Unit
192.1 Data Backup and Labelling of the Cables
section 19.1)
19.2.2 Dismounting the Logic Unit
a)
Switch off the main switch
Loosen all plug connectors and clamped joints at the logic unit
(pin layout: see section 5)
Round connector
Loosen knurled coupling ring
Loosen screw terminals
Do not disconnect
D-sub
Loosen knurled screws
Use a screwdriver to
loosen the terminal connector