Introduction

This guide will demonstrate how to replace the stepper motor on your typewriter, step-by-step.

Parts

No parts required.

Flip the typewriter to expose the bottom body panel. Be careful to not damage the top surface of the typewriter when you rest it upside-down.
  • Flip the typewriter to expose the bottom body panel.

    • Be careful to not damage the top surface of the typewriter when you rest it upside-down.

Add Comment

Using a #2 Phillips head screwdriver, remove the three 19mm Phillips head #8 screws located in the recessed holes on the edge of the black underside panel.
  • Using a #2 Phillips head screwdriver, remove the three 19mm Phillips head #8 screws located in the recessed holes on the edge of the black underside panel.

Add Comment

Flip the typewriter back to its original orientation, then rotate it so that the rear is facing towards you.
  • Flip the typewriter back to its original orientation, then rotate it so that the rear is facing towards you.

  • Remove the three 19mm #8 Philips head screws near the bottom of the tan body panel using a #2 Phillips head screwdriver.

Add Comment

Open the typewriter lid and push the carriage away to expose the two #8 Phillips head screws holding the case to the chassis. Remove the 19mm #8 Phillips head screws using a #2 Phillips head screwdriver.
  • Open the typewriter lid and push the carriage away to expose the two #8 Phillips head screws holding the case to the chassis.

  • Remove the 19mm #8 Phillips head screws using a #2 Phillips head screwdriver.

Add Comment

Flip the plastic lever on the right side of the roller wheel to disengage the paper lock. Flip the plastic lever on the right side of the roller wheel to disengage the paper lock.
  • Flip the plastic lever on the right side of the roller wheel to disengage the paper lock.

Add Comment

Remove the roller wheel adjustment knobs by pulling firmly outward. Both black knobs must be removed in this step. Both black knobs must be removed in this step.
  • Remove the roller wheel adjustment knobs by pulling firmly outward.

    • Both black knobs must be removed in this step.

Add Comment

Unlock the roller wheel by simultaneously pressing down on the two spring levers on the left and right of the roller ends. Unlock the roller wheel by simultaneously pressing down on the two spring levers on the left and right of the roller ends.
  • Unlock the roller wheel by simultaneously pressing down on the two spring levers on the left and right of the roller ends.

Add Comment

While both spring levers are depressed, lift up with both hands to remove the roller wheel. While both spring levers are depressed, lift up with both hands to remove the roller wheel.
  • While both spring levers are depressed, lift up with both hands to remove the roller wheel.

Add Comment

Flip the top down. Then, with both hands, lift straight up on the tan case to remove it from the chassis. Flip the top down. Then, with both hands, lift straight up on the tan case to remove it from the chassis. Flip the top down. Then, with both hands, lift straight up on the tan case to remove it from the chassis.
  • Flip the top down. Then, with both hands, lift straight up on the tan case to remove it from the chassis.

Add Comment

Do not remove the screws fully from the stepper motor. Just unscrew them enough to allow the stepper motor to come loose. Removing them all the way can cause damage to the motor. The stepper motor is located on the left when looking from the rear of the typewriter.  Rotate the typewriter so that the stepper motor is facing you.
  • Do not remove the screws fully from the stepper motor. Just unscrew them enough to allow the stepper motor to come loose. Removing them all the way can cause damage to the motor.

  • The stepper motor is located on the left when looking from the rear of the typewriter. Rotate the typewriter so that the stepper motor is facing you.

  • While loosening the screws, use your finger to brace the corresponding nuts found on the opposite side of the stepper motor mounting bracket.

  • Using a P1 screwdriver, unscrew the top right and bottom right integrated #3 screws from the back of the stepper motor.

Add Comment

Remove the stepper motor by pulling it straight out.
  • Remove the stepper motor by pulling it straight out.

Add Comment

Conclusion

To reassemble your device, follow these instructions in reverse order using a working stepper motor.

Lindsay Stratis

Member since: 04/08/2015

488 Reputation

4 Guides authored

Team

Cal Poly, Team 17-1, Forte Spring 2015 Member of Cal Poly, Team 17-1, Forte Spring 2015

CPSU-FORTE-S15S17G1

4 Members

6 Guides authored

0 Comments

Add Comment

View Statistics:

Past 24 Hours: 0

Past 7 Days: 0

Past 30 Days: 2

All Time: 154