Rotor Windings
Connect ohmmeter leads to positive blade brush holder (terminal 67) and a good ground. Resistance of 2.5-2.7 ohms should be noted at 68°F. Extremely high resistance indicates possible open circuit in rotor windings.
Connect ohmmeter leads to positive blade brush holder (terminal 67) and a good ground. Resistance of 2.5-2.7 ohms should be noted at 68°F. Extremely high resistance indicates possible open circuit in rotor windings.