QubicaAMF XLi - Back End Gearbox Motor; Purpose of Back End Motor; Scope of Back End Motor Procedures; Replacing the Rotor Assembly of Back End Motor

QubicaAMF XLi Pinspotter Motor and Gearbox Manual
400-088-038 38 Revision F
Section 4 Back End Gearbox Motor
4.1 Purpose
This section describes the procedures for the operation, maintenance, and repair of the XLi pinspotter’s back
end gearbox drive motor.
4.2 Scope
Back end motor problems, while uncommon, are generally covered under warranty during the warranty
period. Periodic motor maintenance is performed in conjunction with back end gearbox maintenance in
accordance with the steps detailed in Section 3.3.1. Section 4.3.1 below describes the procedure for
replacing the rotor assembly.
The back end motors are 1/3 horsepower, dual voltage motors and are available in 50 Hz and 60 Hz
configurations rated for continuous service. The back end motors contain thermal overload protection that
will interrupt current flow to the motor windings in the event of a problem. A red reset button is located on
the end of the motor. Allow the motor to cool before resetting, and always attempt to determine and fix the
cause of the overload before returning the motor to service. The QubicaAMF part numbers for the different
motors are as follows:
Application QubicaAMF Part No.
50 Hz Back End 090-007-310 (flat plug)
60 Hz Back End 090-003-766 (flat plug)
When replacing a drive motor, ensure that the model used matches the frequency and voltage of the
electrical power that is being supplied to the pinspotter. The same model of back end motor is used for
both odd and even gearboxes, but these motors are NOT interchangeable with the front end gearbox
motors. Whenever attaching the motor to the gearbox, be sure to apply a light coat of anti-seize compound
to the motor shaft and key as well as to the bore of the gearbox input shaft.
4.3 Procedures
The back end motor attaches directly to the back end gearbox and is used to run the pin lift, distributor,
positive ball lift (PBL), pit conveyor, and light ball Sensor (LBS). NEVER attempt to operate a motor when it
has been removed from its gearbox housing!
4.3.1 Replacing the Rotor Assembly
Replacement rotor assemblies are available should the rotor shaft become damaged due to dropping,
bearing failure, or improper gearbox engagement. A rotor assembly consists of the shaft, integral fan and
squirrel cage, and upper and lower bearings. The unit is shipped preassembled along with a new shaft key.
Part Number Description
785-907-310 Back End Motor Rotor Assembly, 50 Hz
785-903-766 Back End Motor Rotor Assembly, 60 Hz
Rebuilt motors are also available under the following part numbers:
Part Number Description
090-007-310-R Rebuilt Back End Motor, 50 Hz
090-003-766-R Rebuilt Back End Motor, 60 Hz