HEIDENHAIN TNC 415 (259 9x0) Service Manual - Manual (Page 169)

SERVICE MANUAL TNC 415B/425
Page 164
Issue: 20.08.95
f) Disengage the connector of the NC power supply and loosen the mounting screws.
Disengage
2-pin connector
Slide out the power supply unit to the right and insert the new power supply unit.
g)
•
Fasten the mounting screws.
•
Pull the cable harness through the housing again.
•
Engage the connectors.
•
Close the logic unit, switch on the main switch.
Exchange is now finished.
*
Observe that no connectors are switched !
*
Warning!
Send and store the boards only in the original packaging material that protects
them from acquiring static charge. Never use conventional plastics to wrap the boards in.
Approx. 5
revolutions