Tachometer: Testing and Inspection

Compare the tester and tachometer indications. If there is significant error, replace the tachometer.

Standard indication Allowable range
(rpm) (rpm)
1,000 1,000-1,050
2,000 2,000-2,100
3,000 3,000-3,150
4,000 4,000-4,200
5,000 5,000-5,250
6,000 6,000-6,300


CAUTION:
- When removing or installing the tachometer, be careful not to drop it or subject it to sharp impact.