CONTROL AND DISPLAY UNIT (CADU) INSPECTION AND FAULT ISOLATION

TROUBLESHOOTING INSTRUCTIONS PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) AVIATION VIBRATION ANALYZER

DATA ACQUISITION UNIT (DAU) INSPECTION AND FAULT ISOLATION

TM-1-6625-724-13P Aviation Vibration Analyzer Manual
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TM 1-6625-724-13&P 0017 00 0017 00-1/(0017 00-2 blank) CONTROL AND DISPLAY UNIT (CADU) INSPECTION AND FAULT ISOLATION Initial Setup: Personnel Required: TMDE Support Specialist Tools and Equipment: Tool Kit, Electricians Voltmeter, Fluke 8020 or equivalent References: Equipment Condition: CADU on Workbench with Electro-Static Discharge (ESD) a. Examine CADU for visible damage. b. Replace a damaged keypad, lens, or cable connector. See WP0038 00 and 0039 00. c. Operate the CADU to Manager Mode/Test (see WP0012 00 figure 7) and conduct listed tests: 1. Keypad - replace if any push switch fails to operate. 2. Display - replace CADU PWA if test is failed. d. Check battery pack voltage at battery pack cable connector P1 (see WP0035 00), black wire is ground, red wire should measure between 6 and 10 Vdc. Replace if less than 6 Vdc. Ensure batteries have been charged prior to testing voltage. END OF WORK PACKAGE

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