Setting The Belt - JUKI DLN-6390 Manuel D'utilisation

< Fixing of the rubber cushion and set-up of the sewing machine >
Fit rubber cushions 1 to the wood screws after securely fi xing collars 3 onto the top surface of table 4 with wood
screws 2 (4 places). (For the position, refer to the drawing of table for reference.)
Adjust the concave (4 places) located on the bottom surface of sewing machine 5 to rubber cushions 1 after se-
curely fi xing rubber cushions 1 on table 4 and set sewing machine 5 on the table.
4 Top surface
of table

1. Setting the belt

WARNING :
When replacing the belt, be sure to turn OFF the power to the motor and ascertain that the motor has
totally stopped rotating before starting the work. There is a danger of injury since hands or clothes
may be caught in the belt.
2
1
4
1 Rubber cushion
2 Wood screw
3 Collar
Slack of 10 to 15 mm
3
– 3 –
→
1) Fit belt 1 to machine pulley 2 .
2) Turning machine pulley 2 , set the other side of the
belt to motor pulley 3 .
3) Adjust the belt tension so that the belt sags 10 to 15
mm when the center of the belt is pressed with an ap-
proximate 10 N (1.02 kgf) load.
4) Securely fi x the belt with lock nut 4 when the belt has
been set.
If the defl ection of the belt is excessive
when the sewing machine is operated,
check again the belt tension.
＊ When performing the set-up of DLN-6390, refer to
"2. Installing the motor", p.13.
＊ After completion of set-up, install the belt cover
for motor pulley supplied with the motor in accor-
dance with the Instruction Manual for motor.
5 Sewing machine