Speedometer Head: Testing and Inspection

INSPECT SPEEDOMETER
a. Check the operation.
1. Using a speedometer tester, inspect the speedometer fro allowable indication error and check the operation of the odometer.




USA (mph):




CANADA (kph):

NOTE: Tire wear and tire over or under inflation will increase the indication error.

2. Check the deflection width of the speed meter indicator
Reference: Below 0.5 kph (0.3 mph)