ELECTRICAL
49
FREE RUNNING TEST
1. Place the starter motor in a vise equipped with
soft jaws and connect a fully-charged 12-volt
battery to starter motor as follows.
2. Connect a test ammeter (100-ampere scale)
and car- bon pile rheostats shown is the
illustration.
3. Connect a voltmeter (15-volt scale) across
starter motor.
4. Rotate carbon pile to the off position.
5. Connect the battery cable from battery’s
negative post to the starter motor body.
6. Adjust until battery voltage shown on the
voltmeter reads 11volts.
7. Confirm that the maximum amperage is within
the specifications and that the starter motor turns
smoothly and freely.




