CHAPTER 5 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 5-6350-264-14&P-9 NAVELEX EE 181-AA-OMI-100/E121 DZ-204 T.O. 31S9-2FSS9-1-9 CHAPTER 5 DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE INSTRUCTIONS Section I. OPERATING PROCEDURES 5-1. SPECIAL TOOLS. No special tools or equipment are required for the Audible Alarm. 5-2. REPAIR PARTS. Repair parts are listed and illustrated in the repair parts and special tools list covering direct and general support maintenance for this equipment in appendix C of this manual. Section II. TROUBLESHOOTING 5-3. GENERAL. a. This section contains troubleshooting information for locating and correcting most of the operating troubles which may develop in the Audible Alarm. Each malfunction or trouble for an individual component, unit, or system is followed by a probable causes and a list of tests or inspections which will help you to determine corrective actions to take. You should perform the test/inspections in the corrective actions column ’in the order listed. b. Table 5-1 does not list all malfunctions that may occur, nor all tests or inspections and corrective actions to be made. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor. c. The table lists the common malfunctions which you may find during the operation or maintenance of the Audible Alarm. You should perform the test/ inspections in the corrective actions column in the order listed. NOTE Before you use table 5-1, be sure you have performed all applicable operating checks. d. Check all available information on the equipment for aid in diagnosing problems. e. Make a visual inspection of the equipment. (1) Inspect the equipment for evidence of physical damage. (2) Inspect terminal strips for clean and secure connections. (3) Inspect all wiring and cabling for worn or frayed insulation and broken wires. (4) Inspect all resistors for discoloration due to overheating. (5) Inspect the complete subsystem for the presence of dirt, corrosion, 5-1