To Reset Motor Drive Time - Janome MB-7e Service Manual And Parts List

Setscrews (A) Setscrews (A) Setscrews (A)
Setscrew
A
Power Power Power
Motor connector

To Reset Motor Drive Time

To Reset Motor Drive Time To Reset Motor Drive Time
Replace the DC motor Replace the DC motor Replace the DC motor
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DC motor DC motor DC motor
DC motor
Time Time Time
Drive Drive Drive
h h h h h h
Motor connector Motor connector Motor connector
Motor Motor Motor
h h h
CLEAR CLEAR CLEAR
Time Time Time
Power Power Power Drive Drive Drive
1643 1643 1643
h h h 1302 1302 1302 h h h
Motor Motor Motor
h h h
CLEAR CLEAR CLEAR
A warning message will appear when the motor drive time A warning message will appear when the motor drive time A warning message will appear when the motor drive time
has exceeded 1,000 hours. has exceeded 1,000 hours. has exceeded 1,000 hours.
* * * The warning will be displayed until the motor is The warning will be displayed until the motor is The warning will be displayed until the motor is
replaced and the motor drive time clock reset. replaced and the motor drive time clock reset. replaced and the motor drive time clock reset.
Replacing the DC Motor Replacing the DC Motor Replacing the DC Motor
1. 1. 1. Remove the spool stand, static head right cover, right Remove the spool stand, static head right cover, right Remove the spool stand, static head right cover, right
cover and left cover. cover and left cover. cover and left cover.
2. Disconnect the motor connector. 2. Disconnect the motor connector. 2. Disconnect the motor connector.
Remove the 3 setscrews (A) and the motor. Remove the 3 setscrews (A) and the motor. Remove the 3 setscrews (A) and the motor.
3. Attach the DC motor and tighten the 3 setscrews (A) 3. Attach the DC motor and tighten the 3 setscrews (A) 3. Attach the DC motor and tighten the 3 setscrews (A)
slightly. slightly. slightly.
Connect the motor connector. Connect the motor connector. Connect the motor connector.
4. Adjust the motor belt tension. 4. Adjust the motor belt tension. 4. Adjust the motor belt tension.
5. 5. 5. Attach the parts removed in step 1. Attach the parts removed in step 1. Attach the parts removed in step 1.
To reset motor drive time To reset motor drive time To reset motor drive time
1. 1. 1. After DC motor replacement, turn the power switch After DC motor replacement, turn the power switch After DC motor replacement, turn the power switch
"ON" while pressing the needle forward button and the "ON" while pressing the needle forward button and the "ON" while pressing the needle forward button and the
bobbin winding button bobbin winding button bobbin winding button
2. Press the "CLEAR" key to reset the motor drive time 2. Press the "CLEAR" key to reset the motor drive time 2. Press the "CLEAR" key to reset the motor drive time
clock. clock. clock.
3. Turn the power switch "OFF". 3. Turn the power switch "OFF". 3. Turn the power switch "OFF".
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