User guide

Classic PLC-5 Programmable Controller Firmware Upgrade2
Publication1785-5.12 May 1998
Follow these steps to dissassemble the processor.
1
Before you dissassemble the processor , check to ensure that you
have a backup copy of the customer program on hard disk or tape.
2
Being careful not to lose the washers, remove the four screws from
the plastic cover and note the orientation of the stand-of fs and sleeves.
Front V iew
(Metal Cover)
Left Side
(Metal Cover)
Right Side
(Plastic Cover)
Front V iew
Stand–off Sleeve
Left PC Board
Right PC Board
Star
Washer
Bellville
Washer
Plastic Cover
20665–M
To Dissassemble the
Processor ...