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Routine Maintenance Procedures
555-233-123
5-18
Issue 4 May 2002
Fans
See
while performing the following steps to replace the fan assembly.
Figure 5-5.
Fan sub-assembly
1. At the back of the unit, remove the four screws from the fan panel. Then
remove the panel.
2. If the unit is attached to the wall, disconnect the entire fan panel.
!
CAUTION:
The power cord for each fan extends from a plug on the backplane.
Do not tug on any of these cords. Otherwise, the corresponding plug
on the backplane might come off.
3. Each fan has a power cord with a plug and receptacle at each end.
Disconnect the plug for each fan that is to be replaced. Then remove the
appropriate fan(s).
4. Install the new fan(s), reconnect the fan plug(s), reconnect the fan panel (if
disconnected), and screw the fan panel back onto the back of the unit.
Hex Nut
Flow
Direction
Fan
Fan
Panel
Screw
Fan
uard
Содержание Definity SI
Страница 1: ...0DLQWHQDQFH IRU YD D 1 7 6HUYHU 6 Volumes 1 2 and 3 555 233 123 Issue 4 May 2002...
Страница 62: ...Maintenance Architecture 555 233 123 1 26 Issue 4 May 2002...
Страница 92: ...Management Terminals 555 233 123 3 26 Issue 4 May 2002...
Страница 204: ...Routine Maintenance Procedures 555 233 123 5 100 Issue 4 May 2002...
Страница 250: ...LED Interpretation 555 233 123 7 10 Issue 4 May 2002...
Страница 2763: ...VC DSPPT Issue 4 May 2002 10 1977 555 233 123 Figure 10 107 VC Circuit Pack DSP Port Local TDM Loopback Test...
Страница 2776: ...Maintenance Object Repair Procedures 555 233 123 10 1990 Issue 4 May 2002 Figure 10 109 VC Circuit Pack Summer Port Loopback Test...
Страница 2804: ...Maintenance Object Repair Procedures 555 233 123 10 2018 Issue 4 May 2002...
Страница 2968: ...Index 555 233 123 IN 10 Issue 4 May 2002...