Disassemble The Display Unit; Cpu Fan - GE Datex-Ohmeda Aisys Carestation Reference Manual

Aisys
9.11.2
Disassemble the
Display Unit
L
L
L
L

9.11.3 CPU Fan

9-24
Place the Display Unit face down on an anti-static pad.
1. Loosen (L) the four captive screws at each corner of the rear enclosure.
2. Lift the rear enclosure slightly and pivot it away from the lower enclosure at the
bottom side of the Display Unit.
(28) (29)
(27) (5)
At this point, you can replace the following items (The item numbers refer to the parts
list in Section 10.41):
• the internal Compact Flash card (27)
• the external Compact Flash Kit (28)
• the fan (24) — for the HPDU this is a 12-volt fan
• the connector panel assembly (21)
• the encoder assembly (12)
• the battery (5)
• the speaker (20) — (To access the mounting screws for the speaker, you must first
remove the ten screws that hold the mounting plate to the front enclosure so that you
can raise the bottom edge of the assembly slightly — Refer to section 9.11.5.)
• the rear enclosure (1) — You can transfer the captive screws to the new enclosure.
However, the gasket (2) is held in place with adhesive. When replacing the rear
enclosure, also include a new gasket.
To replace the remaining items requires further disassembly.
w
CAUTION
: Do not remove the heatsink from the CPU board.
1. Note the orientation of the fan harness.
Disconnect the fan harness from the CPU board.
2. Remove the fan (29) from the CPU heatsink, leaving the heatsink in place.
3. Remove the heatsink (discard) from the replacement fan assembly.
4. Noting the orientation of the fan harness, secure the fan to the CPU heatsink.
5. Connect the fan harness to the CPU board.
20
12
(21) (2)
(24)
(1)
04/08 M1046983