Thread Tension Release Changeover When Using The Knee Lifter; One-Touch Manual Reverse Feed (One-Touch Reverse Feed Type) - JUKI LH-3500A Series Instruction Manual

5-5. Thread tension release changeover when using the knee lifter

❷

5-6. One-touch manual reverse feed (One-touch reverse feed type)

[LH-3528A, 3528A-7 and 3578A-7]
0B type
・How to use
1) Press switch ❶ , and the sewing machine will immediately run in the reverse direction to perform the
reverse feed stitching.
2) Reverse stitching is made as long as you keep pressing the switch.
3) Release the switch, and the sewing machine will run in the normal direction.
❶
❹
❷
❸
❶
For the LH-3568A, 3568A-7, 3588A and 3588A-
7, the thread tension release of the thread tension
controller has been factory-interlocked with the knee
lifter or AK device at the time of delivery.
• In the case the thread tension release is not
interlocked with the knee lifter or AK device
Remove the wiper solenoid in case of the machine
with wiper. Remove the cap at the back, loosen
screw ❷ , move screw ❷ in the direction of arrow up
to the end of slot of lifting link ❸ , and fix it.
The thread does not slacken unless
thread tension release plate ❶ or hand
lifter lever ❹ is actuated.
If you start sewing without releasing the
thread tension, a load will be applied to
the needle when the material is drawn out,
resulting in needle bending or breakage.
[LH-3568A-7 and 3588A-7]
– 32 –
❶