Brother XM3700 Service Manual page 202

Special Instructions of Wiring Motor 3P supply assy
1. Attachment of motor
120V specification
Attach the motor so that the outlet of motor cable is the upper side.
Motor
220 to 240V specification
Attach the motor so that the outlet of motor cable is the upper side.
Motor
Outlet of motor cable
A view
Outlet of motor cable
A view
6 - 2
Upper side
Upper side