TACHOMETER MALFUNCTIONS

SPEEDOMETER MALFUNCTIONSContinued - TM-9-2350-247-20-1_437

TACHOMETER MALFUNCTIONSContinued - TM-9-2350-247-20-1_440

TM-9-2350-247-20-1 Crane (CAB) Components Recovery Vehicle Full Tracked: light Armored M578 (2360-00-439-6242) (EIC:3LA) Manual
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TM 9-2350-247-20-1 TACHOMETER MALFUNCTIONS 0088 00 INITIAL SETUP: Maintenance Level Unit Tools and Special Tools General Mechanic’s Tool Kit (WP 0541 00, Item 57) Materials/Parts Grease WP 0542 00, Item 14 Personnel Required Unit Mechanic Helper (H) References See your -10 See your PMCS Equipment Condition Engine stopped (see your -10) Carrier blocked (see your -10) Power plant rear access door/panel removed (see your -10) Instrument panel partially removed (WP 0256 00) NOTE M548A1 and M548A3 troubleshooting procedures are the same. M548A1 procedure is shown. T 1. Start engine (see your -10). 2. Does tachometer fail to show any reading? YES NO GO TO BY (PAGE 0088 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 0519 00). 3. Verify no faults found. 0088 00-1

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