Preface; Setting Of The Controller (Sc-921); Setting Of The Machine Model - JUKI LB-6 Manuel D'utilisation

! . PREFACE

WARNING :
The counter knife is installed under the chain-off thread presser plate. When removing or shifting the
chain-off thread presser plate, the counter knife is exposed. Fingers or the like may be cut with the
counter knife. So, be careful.
Chain-off thread presser plate

@ . SETTING OF THE CONTROLLER (SC-921)

This Instruction Manual only describes the functions related to the LB-6.
For the details of other functions and the adjustment, refer to the Instruction Manual for the SC-921.
For the sewing machine which has been delivered after set-up, the machine model and
other items have been already set. Do not perform the setting of the machine model.

1. Setting of the machine model

1. When using the sewing machine for the first time after you purchased, first, perform
setting of the machine model.
The direction of rotation and the maximum sewing speed are determined by the setting of
the sewing machine model. If the setting is mistaken, a trouble will be caused. So, be
careful.
2. Various settings such as number of stitches to be sewn with tension released for start,
number of stitches of slow start, etc. are performed after setting the machine model.
3. When the setting of the machine model is performed after the various settings described
in the aforementioned item 2, all contents which have been set in the item 2 disappear and
the controller returns to the status before performing setting.
In this case, re-setting is necessary. So, be careful.
(1) Selecting the machine head type
Set the machine head type to MO.1 or MO.2.
The MO.1 and the MO.2 differ only in the setting sewing speed. Take care not to exceed the maximum
sewing speed of the sewing machine you use.
Machine head type
MO.1
MO.2
When machine model setting is performed, MO.1 is set to 4,000 sti/min and MO.2 to 7,000 sti/min. Refer to
"@ -4. Various settings of the chain-off thread rolling-in sewing " and "@ -5. Changing procedure of
the various settings " for how to change the sewing speed.
Counter knife
Maximum sewing speed
5500
8000
Chain-off thread presser plate
Sewing speed to be employed immediately after the sewing
machine model setting
4000
7000
Counter knife
1