TM 9-2350-277-20-1
TACHOMETER MALFUNCTIONSContinued
0116 00
2Y
1. Stop engine (see your -10).
2. Remove pulse tachometer (WP 0867 00).
3. Manually rotate pulse transducer input (1)
4. Observe pulse transducer output (2).
5. Does output rotate without binding?
YES
NO
2YN
1. Install tachometer cable on
tachometer.
2. Replace pulse tachometer
(WP 0867 00).
3. Verify no faults found.
3Y
1. Remove tachometer adapter (WP 0863 00).
2. Manually rotate tachometer adapter input (1)
3. Observe tachometer adapter output (2).
4. Does output rotate without binding?
YES
NO
3YN
1. Replace tachometer adapter
(WP 0863 00).
2. Install tachometer cable onto
tachometer.
3. Verify no faults found.
4Y
1. Install tachometer adapter and pulse tachometer (WP 0867 00 and
WP 0863 00).
2. Replace tachometer cable assembly (WP 0864 00).
3. Verify no faults found.
AY
1. Does tachometer fail to give steady reading?
YES
NO
AYN
1. Replace tachometer (WP 0862 00).
2. Verify no faults found.
0116 00-2