Dc Motor Belt Deflection; Driving Motor - Janome MC400E Service Manual

Motor belt
Cord guide plate
DC motor
Setscrews (A)
DC motor Arm hole
connector
Cord guide plate
Setscrews (A)
Replacing Driving Motor
DC motor
200 gf pressure
5 mm
29
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.
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 deflection 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).
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 confident,
remove the base and front cover to replace it..
MC450e