T A C H O M E T E R M A L F U N C T I O N S

S P E E D O M E T E R M A L F U N C T I O N S ...CONT.

T A C H O M E T E R M A L F U N C T I O N S ...CONT.

TM-9-2350-261-20-1 Carrier Personnel Full Tracked Armored M113A2 2350-01-068-4077 Carrier Command Post Light Tracked M577A2 2350-01-068-4089 Manual
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TM 9-2350-261-20-1 T A C H O M E T E R M A L F U N C T I O N S I N I T I A L S E T U P Tools: Equipment Conditions: General Mechanics Tool Kit (Item 30, App D) Engine stopped/shutdown (see your -10) Carrier blocked (see your -10) Personnel Required: Trim vane lowered (see your -10) Unit Mechanic Power plant front access door opened Helper (H) (see your -10) Drivers power plant access panel removed References: (page 24-25) Power plant front access cover removed see your -lo (page 24-24) Crew compartment power plant access panel removed (see your -10) 1. Start engine (see your -10). 2. Does tachometer fail to show any reading? GO TO PAGE 3-232 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? 1. Stop engine (see your -10). 2. Replace tachometer (page 11-13). 3. Verify no faults found. 3-230

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