yes, a 15-91 as it has the potted motor. remember that service charge will run you $60-120. all you need to do is to oil it, clean out the dirt and you're good. the hard part about this potted motor is the wirings. if you think or see that the wirings to the motor, power, light, foot pedal are all good i don't think you need it serviced. here's the
15-91 MANUAL . read this first as it has all the maintenance you can do yourself like oiling. and here's the
ADJUSTER's MANUAL . that's a nice machine. congrats. AND WELCOME TO THIS FORUM.