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 TACHOMETER MALFUNCTIONS 0116 00 INITIAL SETUP: M a i n t e n a n c e L e v e l Unit T o o l s a n d S p e c i a l T o o l s General mechanic’s tool kit: automotive (WP 0926 00, Item 65) P e r s o n n e l R e q u i r e d Unit Mech Helper (H) R e f e r e n c e s See your -10 E q u i p m e n t C o n d i t i o n Engine stopped (see your -10) Carrier blocked (see your -10) Trim vane lowered (see your -10) Power plant access door opened (see your -10) Power plant access cover removed (WP 0441 00) Driver’s power plant access panel removed (see your -10) T 1. Start engine (see your -10). 2. Does tachometer fail to show any reading? YES NO GO TO AY (PAGE 0116 00-2) Y 1. Stop engine (see your -10) 2. Remove tachometer cable (1) from tachometer (2). 3. Start engine (see your -10). 4. Observe tachometer cable drive tip (3). 5. Does tachometer cable drive tip fail to rotate? YES NO YN 1. Stop engine (see your -10). 2. Replace tachometer (WP 0862 00). 3. Verify no faults found. 0116 00-1