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8.2 F
/R
RONT
EAR
1. Remove the Detachable Battery Pack. Refer to the Detachable Battery Pack Replacement Sec-
tion for more details.
2. Remove the Inlet Air Path Assembly or Oxygen Blending Module. Refer to the Inlet Air Path
Assembly Section or Oxygen Blending Module Section for more details.
3. Remove the Air Path Foam. Refer to the Oxygen Blending Module Replacement Section for more
details.
4. Remove the Active/Passive Porting Block. Refer to the Active/Passive Porting Block Replacement
Section for more details.
5. Remove the Handle. Refer to the Handle Replacement Section for more details.
6. Lay the Trilogy on its top to expose the Bottom Enclosure.
7. Remove the four screws securing the Bottom Enclosure to the Trilogy.
8. With the LCD facing you lift up the Bottom Enclosure and remove the Alarm connections from
Speaker 1 and Speaker 2 on the Front Panel Board.
9. Lay the ventilator LCD side down on a protected surface.
10. IMPORTANT TO BE DISCONNECTED FIRST: Remove the Internal Battery Cable from J2 on the
Power Management Board.
11. Remove the OBM wire harness from J7 on the Interface PCA (Trilogy O
12. Remove the DC Battery Cable from J4 on the Power Management Board.
13. Remove the oxygen tube from the Exhalation Control Module.
14. Remove the Ethernet Cable from J19 on the System Board.
15. Remove the Interface Cable from J7 on the System Board.
16. Remove the AC Connector from J1 on the Power Supply Board.
17. Remove the Battery Fan Cable from J18 on the System Board.
18. Remove the Capacitor wires from J6 on the System Board.
1002735, V
. 05
ER
/B
E
OTTOM
NCLOSURE
Circuitry is powered if the Internal battery is connected.
F
8-6: B
IGURE
OTTOM
T
S
RILOGY
ERVICE
R
EMOVAL
CAUTION
E
S
L
NCLOSURE
CREW
OCATIONS
& T
I
ECHNICAL
NFORMATION
and Trilogy 202 Only).
2
P
8-7
AGE
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