Free Running Test
- Place starter motor in a vise equipped with soft jaws and connect a fully charged 12-volt battery to starter motor as follows:
- Connect a test ammeter (100-ampere scale) and carbon pile rheostat as shown. See Fig 1
.
- Connect a voltmeter (15-volt scale) across starter motor. See Fig 1
.
- Rotate carbon pile to off position. See Fig 1
.
- Connect battery cable from battery negative post to starter motor body. See Fig 1
.
- Adjust until battery voltage shown on voltmeter reads 11 volts.
- Confirm that maximum amperage is within specifications and that starter motor turns smoothly and freely. Current Max: 90 Amps (reduction drive type). Speed: Minimum 3,000 RPM.
Courtesy of HYUNDAI MOTOR CO.