TM-9-2350-311-34-1 Maintenance Manual for Volume 1 M109 Hull Download
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TM 9-2350-311-34-1 g. ELECTRICAL SYSTEM ELECTRICAL COMPONENTS INOPERATIVE, DEFECTIVE RECTIFIER Tools Multimeter (item 16, Appx C) NOTE Rectifier repair information for M1 09A2/M109A3 Howitzers is covered in paragraph 7-15 and repair information for M1 09A4/M109A5 Howitzers is covered in paragraph 7-16. Refer toTM9-4910-571 - 12&P, DA PAM 750-33, and TM 9-6140-200-14 when troubleshooting electrical system. 1. Place red lead of multimeter on positive terminal and black lead of multimeter to negative terminal of diode. Check for continuity. 2. For triple terminal diodes, repeat this step for both negative diodes. Is continuity present? Replace diode. 1. Place red lead of multimeter in negative terminal diode and black lead of multimeter to positive terminal of diode. Multimeter should read infinity (00). If reading is not 00, replace diode. 2. For triple diodes, repeat this step for both negative diodes. END OF TASK 3-15/(3-16 blank)