Bench Testing: Rotor
Use 40V AC for testing rotor. Check rotor winding resistance across slip rings with ohmmeter and insulation between slip rings and rotor with test lamp. Replace rotor if grounded or if resistance is greater than 4.4 ohms.
Use 40V AC for testing rotor. Check rotor winding resistance across slip rings with ohmmeter and insulation between slip rings and rotor with test lamp. Replace rotor if grounded or if resistance is greater than 4.4 ohms.