TM 5-3805-262-34INSPECTION, TESTING, AND REPAIR (SHEET 2 OF 7)(3) Hold multimeter red lead onplate assembly terminal stud,black lead on bracket C. Notemultimeter indication. Moveblack lead to bracket D andnote multimeter indication.Multimeter should indicateopen circuit (multimeterpointer should not move).b. Inspect springs (18 and 66) forcracks, broken or missingcoils, or permanent set.c. Inspect drive assembly (44) for worn or damaged splines. Check teeth forchips, cracks, and wear. Slide drive assembly onto armature (27) shaft andcheck that it moves freely. Replace drive assembly (44) if any of the aboveconditions are seen.d. Inspect field coil (37) for damaged windings or distortion. Inspect field coilleads for broken wire strands. Check terminal stud (39) for thread damage. Ifthread damage is seen remove field coil from field frame, unsolder defectiveterminal stud (39), and solder new terminal stud onto field coil. Replacefield coil if any of the above conditions are seen, or if field coil does notpass the following tests:(1)(2)(3)Hold multimeter red lead onterminal stud, black lead onfield lead A. Note multimeterindication. Move black lead tofield lead B and note multi-meter indication. Multimetershould indicate continuity(multimeter pointer shouldmove) .Hold multimeter red lead onterminal stud, black lead onfield frame. Multimeter shouldindicate open circuit (multi-meter pointer should notmove).Hold multimeter red lead onfield lead A, black lead onfield lead B. Multimetershould indicate continuity(multimeter pointer shouldmove).3-235
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