3Com NETBuilder II, Инструкция по установке, Страница: 23 / 82

Maintenance and Repair 1-13
4 Pull the plastic retainer on the fuseholder cartridge out toward you and slide the
fuse clip insert out of the cartridge.
Figure 1-14 Removing the Fuse Clip Insert from the Cartridge
5 Pry the spent fuse from the fuse clip using the screwdriver.
6 Replace the old fuse with a new 4 A, 250 V, fast-blow fuse, 5 mm by 20 mm
in size.
7 Reinstall the fuse clip insert in the cartridge so that the plastic retainer locks it
in place.
8 Reinstall the fuseholder cartridge into the switch/fuseholder/receptacle assembly.
9 Make sure the power switch is off (O is pressed down). Plug the power cord
into the power supply and the outlet.
10 Turn on the system.
Replacing a
Floppy Disk Drive
To replace the floppy disk drive in the 4-Slot chassis, follow these steps. You will
need Phillips screwdrivers of various sizes.
1 Turn off the system and unplug the power cord from the outlet and from the
power supply.
2 If your system is mounted in a rack, remove it from the rack and remove the
rack-mount brackets from the chassis.
3 Remove the cover from the chassis.
a Remove the screws from the back and sides of the chassis.
b Slide the cover toward the back of the chassis and lift it off.
Fuse