TM-9-2350-261-20-1 Unit Maintenance Manual Volume 1 M113A2 M577A2 M1064 M1068 M1059 M901A1 Download
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TM 9-2350-261-20-1 PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS), INCLUDING LUBRICATION INSTRUCTIONS — Continued 0120 00 ITEM NO. INTERVAL MAN- HOUR ITEM TO BE CHECKED OR SERVICED CREWMEMBER PROCEDURE EQUIPMENT NOT READY/ AVAILABLE IF: 66 Semi-annual Electrical System a. Check all generator mounting bolts for tightness. Tighten or replace parts. b. Check generator drive belt for cracking, fraying, and breaks. Check for tightness. Play should be about 1/2”. Belt is broken, cracked to belt fiber, has more than one crack (1/8” in depth or 50% of the belt thickness), has frays more than 2” long or excessive play. c. Check generator pulley for tightness on alternator shaft. Grasp pulley with both hands and try to move it fore and aft on shaft. If pulley moves on shaft, tighten shaft nut. Pulley moves on shaft. d. Check starter hardware and wiring for tightness. Tighten or replace parts as required. 0120 00-82