Section 14-Cooling Fan; Replacing Cooling Fan - Invacare IRC5PO2 Service Manual

SECTION 14—COOLING FAN

Replacing Cooling Fan

To prevent electrical shock, ALWAYS disconnect concentrator from electrical outlet
before servicing.
NOTE: For this procedure, refer to FIGURE 14.1 on page 57.
1. Unplug unit.
2. Remove cabinet. Refer to Cabinet on page 23.
3. Remove control panel. Refer to Removing Control Panel on page 53.
4. Remove compressor inlet HEPA filter. Refer to Replacing the Compressor Inlet HEPA
Filter on page 26.
5. Remove the three mounting screws that secure the resonator housing to the soundbox.
Two mounting screws are installed in the top. The other mounting screw is located on
the backside of the housing near the bottom (Detail "A").
6. Move the resonator housing back slightly for access to the cooling fan. Disconnect the
intake hose on the compressor assembly if necessary (Detail "A").
7. Disconnect spade connectors from fan terminals on side of cooling fan.
NOTE: The cooling fan is fastened to the soundbox with four rubber grommets on each corner.
8. Lift cooling fan up and dislodge the rubber grommets from the soundbox (Detail "B").
9. Remove the rubber grommets from the existing cooling fan (Detail "C").
10. Note the orientation of the installed rubber grommets. There are two recessed areas
on the rubber grommet. The larger recessed area of the grommet is installed in the fan.
The smaller recessed area is installed in the sound box.
11. Inspect rubber grommets for damage. If damage is found, do not use. Order new
rubber grommets before installing fan.
12. Install rubber grommets into new cooling fan with larger recessed area installed in the
fan. (Detail "C").
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.
13. Position cooling fan onto soundbox (Detail "B).
14. Pull rubber grommets down into the sound box. (Detail "D").
Part No 1148070
DANGER
CAUTION
55
SECTION 14—COOLING FAN
™
Perfecto
2