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MC450e

Setscrews (A)

Replacing Driving Motor

To remove:

1. Remove the face cover, base plate, front cover and

rear cover from the machine (refer to pages 1, 2, 3 and

4).

Be sure that the DC motor connector is removed from

the printed circuit board A.

DC motor

Setscrews (A)

200 gf pressure

5 mm

NOTE:

Open the belt cover (refer to page 6) to access the

driving motor without removing the front and rear cover.

You can also access the top side of the motor belt from

the hole by pulling out the handwheel.

Replacing the DC motor without removing the front and

rear cover may require skills. If you are not condent,

remove the base and front cover to replace it..

2. Remove the setscrews (A), and the DC motor.

To attach:

1. Pass the DC motor connector cord through the arm

hole behind the cord guide plate.

Tighten the setscrews (A) temporarily.

2. Adjust the motor belt deection to about 5 mm

by pressing the middle of the motor belt with

approximately 200 grams-force of pressure.

3. Tighten the setscrews (A) securely.

4. Plug the driving motor connector to the printed circuit

board A.

5. Attach the base plate and the rear cover, front cover,

base plate and face cover (refer to pages 1-5).

DC motor

connector

Arm hole DC motor

Cord guide plate

Motor belt

Janome MC500e User Manual

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