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PROCEDURE 10
PROCEDURE 10 - REPLACING COOLING FAN (FIGURE 1)
TO PREVENT ELECTRICAL SHOCK, ALWAYS DISCONNECT CONCENTRATOR FROM
ELECTRICAL OUTLET BEFORE SERVICING.
1. Unplug unit.
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A
2. Remove cabinet (Refer to PROCEDURE 1 - REMOVING CABINET).
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3. Remove control panel (Refer to PROCEDURE 9 - REMOVING CONTROL PANEL).
4. Remove compressor assembly (Refer to PROCEDURE 7 - REPLACING COMPRESSOR ASSEM-
BLY OR CAPACITOR).
5. Remove heat exchanger (Refer to PROCEDURE 8 - REPLACING HEAT EXCHANGER).
NOTE: Before removing the four (4) mounting clips, note their position. These clips must be prop-
erly reinstalled to secure heat exchanger.
6. Remove the four (4) mounting screws located under sound box and remove mounting clips.
7. Move fan to access the wires connected to fan.
8. Disconnect wires from spade connectors on back side of fan.
9. Remove GREEN ground wire from rear of fan by removing self-tapping screw on fan assembly.
10. Remove existing fan.
Fan must be positioned properly so air from the fan blows DOWN onto the compressor (see air
flow arrow on back of fan) or damage to the unit will occur.
11. Reverse STEPS 6-9 to install NEW fan.
12. Reinstall heat exchanger (Refer to PROCEDURE 8 - REPLACING HEAT EXCHANGER).
13. Reinstall compressor (Refer to PROCEDURE 7 - REPLACING COMPRESSOR ASSEMBLY OR
CAPACITOR).
14. Reinstall control panel (Refer to PROCEDURE 9 - REMOVING CONTROL PANEL).
15. Plug unit in and check for leaks (Refer to PROCEDURE 19 - LEAK TEST).
NOTE: Run unit for at least 1/2 hour. If unit runs properly, replace cover. If not, call Invacare Tech-
nical Service.
16. Reinstall cabinet (Refer to PROCEDURE 1 - REMOVING CABINET).
CAUTION
WARNING
46
FAN
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