TM-9-2350-277-20-1 Unit Maintenance Manual Volume 1 M113A3 M577A3 M1064A3 M1068A3 M58 Download
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TM 9--2350--277--20--1 0014 01--8 Change 2 YES NO 1. Manually rotate adjustable (1) and nonadjustable (2) ventilating fan drive idler pulleys. 2. Do pulleys spin freely? 1. Replace adjustable and/or nonadjustable idler pulleys (WP 0240 00). 2. Verify no faults found. B4Y B4YN 1. Replace variable speed fan drive unit (WP 0249 01). 2. Verify no faults found. B5Y 0014 01 E O VERHEAT S ( NEW VSF D CONF IGURAT ION) - Co n t in u e d ENGIN