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Appendix D • Fan Field Replacement Procedure
APEX1000 All-Purpose Edge QAM Software Version 2.4.x • Installation and Operation Manual
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573408-001-a
CAUTION Do not slide the base of the fan cover off of the stand offs.
The diagram below details field fan removal and replacement steps:
Replacement Fan Kit Assemblies
The Motorola part number for an APEX1000 replacement fan kit assembly (one fan) is
492898-002. (The PS cooling fan is not field replaceable.) Motorola part numbers for
APEX1000 replacement power supply assemblies are:
• PS Module — AC Power PS Module (AC Power): 540272-001
• PS Module — DC Power PS Module (DC Power): 540271-001
Fan Replacement
To install a fan:
1. Rotate the fan motor so that the cable is properly aligned with the connector, and
slide it onto the four standoffs. The fan blades should face toward the APEX1000;
the rear of the fan motor should face away from the APEX1000.
2. Connect the fan power cable to the connector.
3. Slide the fan cover over the body. The four stand offs should pass through holes on
the fan cover.
4. Secure the fan cover in place with the four washers and hex nuts.
5. Make certain that the replacement fan blade is turning.
6. Verify that the front panel status led is NOT solid red.
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