JUKI LU-1508H - Page 49

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Installing procedure
1) Installing procedure of the automatic presser foot lifter after set-up of the machine
1. Remove the side plate located on the anti-operator’s side of the machine arm.
2. Install elbows ⑩ to automatic presser foot lifter cylinder ① .
3. Install the cylinder connecting screw to the presser foot lifter cylinder.
For the standard, adjust the distance from the end face of piston rod of the presser foot lifter cylinder to
the end face of the cylinder connecting screw to 24 mm, and tighten the nut.
4. Tighten cylinder stay, front ⑪ and cylinder stay, rear ⑫ to the presser foot lifter cylinder with setscrew ② .
5. Install the presser foot lifter cylinder which has been assembled at the above step 4. to the machine arm
with setscrews ⑬ .
6. Assemble automatic presser foot lifter lever B ⑦ with automatic presser foot lifter lever A ⑥ .
(Insert automatic presser foot lifter lever shaft ⑨ into the holes of both levers and tighten with hexagon
headed bolt ⑧ .)
7. Install the automatic presser foot lifter lever A which has been assembled at the above step 6. to the
machine arm with the automatic presser foot lifter lever shaft.
(Groove of the automatic presser foot lifter lever B enters the hinge screw attached to the cylinder
connecting screw.)
8. Install pneumatic components.
For the LU-1510-7, add the device for presser foot lifter to the pneumatic components being used now.
For the models other than LU-1510-7, install the pneumatic components (asm.).
9. Insert the air hose and check the operation.
When actuating the automatic presser foot lifter, make sure that the distance from the bottom face of the
presser foot to the top surface of the throat plate is 16 ± 0.5 mm.
When adjustment is required, remove the automatic presser foot lifter lever shaft and the automatic
presser foot lifter lever A, loosen the nut, and turn the cylinder connecting screw.
(Turning in the direction of A will decrease the distance, or in the direction of B wiil increase it.)
After the completion of adjustment, tighten the nut.
10.Make sure that a clearance of 0.5 to 1.5 mm is provided between the automatic presser foot lifter lever A
and the thread release supporting plate when the presser foot is lowered.
11.For the kit A, tighten the knee switch with wood screw.