3Com NETBuilder II Installing Instruction page 41

4 Open the sliding door in the front panel that covers the floppy disk drive.
5 Remove the floppy disk drive from the chassis.
A bracket encloses the floppy disk drive and is secured to the front of the
chassis by two retaining screws. Remove the two screws from the floppy disk
faceplate. Pull the disk drive bracket from the faceplate and lift up to remove it.
Retaining screws
Figure 2-12 Floppy Disk Drive Retaining Screws in the 8-Slot Chassis
6 Disconnect the power wiring harness ribbon cable and the floppy disk drive
ribbon cable from the connectors on the back of the floppy disk drive.
Backplane
Figure 2-13 Disconnecting Cables from the Floppy Disk Drive in the 8-Slot Chassis
7 Transfer the bracket from the original floppy disk drive to the new one.
a Remove the four screws and insulating washers from the sides of the bracket
(two on each side) that secure the original floppy disk drive to the bracket.
b Slide the floppy disk drive out of the bracket.
c Slide the new floppy disk drive into the bracket, being careful not to
dislodge the insulators that are secured inside the bracket.
d Reinstall the insulating washers and screws.
Failure to reinstall the insulating washers may result in disk-copying problems.
8 Reconnect the floppy disk drive cable and the power wiring harness to the
connectors located on the back of the floppy disk drive.
Back panel
Front
Maintenance and Repair
Power supply
Disconnect power wiring
a
harness from disk drive.
b
Disconnect ribbon cable
from disk drive.
Disk drive
2-13