TM-9-2350-311-20-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-20-1 2-10 EQUIPMENT FAULTS Equipment faults disclosed during preliminary inspection and servicing or during break-in period will be corrected by the using unit or support maintenance. Serious equipment faults which appear to involve unsatisfactory design or material will be reported on SF Form 368, Quality Deficiency Report (Category II), as prescribed in DA PAM 738-750. SECTION Ill. OPERATIONAL CHECKS 2-11 GENERAL This section identifies operational check procedures and instructions for test and repair. Authorized crew and unit maintenance are listed in Appendix B. See the Table of Contents of each chapter for appropriate page references. 2-12 PERFORMING ELECTRICAL TESTS AND EQUIPMENT CHECKS Perform electrical tests and equipment checks on the M109A2/M109A3/M109A4/M109A5 vehicles with Simplified Test Equipment for Internal Combustion Engines — Reprogrammable (STE/lCE-R) and multimeters. 2-12.1 STE/lCE-R STE/lCE-R is a portable diagnostic set that can measure standard voltage, current, resistance, pressure, and speed of measurements of the M109A2/M109A3/M109A4/M109A5 engine system. Equipment set up and testing procedures are covered in Appendix I and TM 9-4910-571-12&P. 2-12.2 Multimeters All electrical checks and tests on the M109A2/M109A3/M109A4/M109A5 Howitzer can be performed with a multimeter. This section shows how to use the multimeter to find the cause of electrical problems in the M109A2/M109A3/M109A4/ M109A5 systems, and how to repair or replace electrical wiring and connectors in these systems. For troubleshooting the charging system, refer to DA PAM 750-33. NOTE Refer to instructions supplied with multimeter for proper operation and any necessary adjustments. 2-8