NEC POWERMATE 8100 Series, Service And Reference Manual

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Disassembly and Reassembly 3-25
3 1/2-Inch Diskette Drive Removal
Remove the 3 1/2-inch diskette drive as follows.
1.
Turn off the system and disconnect the system power cord.
2.
Remove the system unit cover (see “Removing the Cover”).
3.
Remove the Front Panel (see “Front Panel Removal”).
4. Label and unplug the signal and power cables from the back of the diskette
drive.
Note:
When reinstalling the diskette drive, note that all
power cables are keyed to fit only in the correct position.
5.
Remove the screws holding the diskette drive to the diskette drive bracket.
Access the bracket through the cutout in the chassis wall.
6.
Remove the diskette drive from the chassis.
Power Supply Removal
Remove the power supply as follows.
!
WARNING
Before removing the system unit cover, turn off the power
and unplug the system power cable. Power is removed only
when the power cable is unplugged.
1.
Turn off the system and disconnect the system power cord.
2.
Remove the system unit cover (see “Removing the Cover”).
3.
Unplug the power cables attached to the riser board.
4.
Unplug the power cables from all installed devices.
5.
Cut any tie wraps that may be securing the power cables to the system unit.
6.
Remove the four screws securing the power supply to the back of the system
unit (see the figure on the following page).
7.
Remove the power supply from the system unit.