TM-9-2350-247-20-1 Unit Maintenance Manual Volume 1 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-1 TACHOMETER MALFUNCTIONS—Continued 0088 00 2Y 1. Inspect tachometer flexible core. 2. Is flexible core serviceable? YES NO 2YN 1. Replace tachometer cable (WP 0522 00 or WP 0523 00). 2. Verify no faults found. 3Y 1. Remove tachometer adapter from engine (WP 0520 00 or WP 0521 00). 2. Is tachometer adapter (1) serviceable? YES NO 3YN 1. Replace tachometer adapter (WP 0520 00 or WP 0521 00). 2. Verify no faults found. 4Y 1. Faulty shaft drive assembly. 2. Notify your supervisor. BY 1. Check tachometer if it gives a steady reading. 2. Does tachometer fail to give a steady reading? YES NO BYN 1. Replace tachometer (WP 0519 00). 2. Verify no faults found. 2BY 1. Check if tachometer cable flexible core has been serviced. 2. Has tachometer cable flexible core been serviced? YES NO 2BYN 1. Grease tachometer cable flexible core (see your PMCS). 2. Verify no faults found. 0088 00-2