Adjusting The Main Shaft Sensor; Adjusting The Intermediate Presser Components (Lk-1942); Adjusting The Position Of The Intermediate Presser Cam - JUKI LK-1941 Engineer's Manual

3) Adjusting the main shaft sensor

Setscrew 1
Face A

(2) Adjusting the intermediate presser components (LK-1942)

1) Adjusting the position of the intermediate presser cam

① Align engraved dot A of the intermediate presser cam with engraved dot B of the main shaft in the
direction of rotation.
② Clearance provided between section C of the intermediate presser driving arm and section D of the
machine arm boss is 0.5 ± 0.2 mm in the state that the clearance becomes narrowest (lower dead point
of intermediate presser).
Intermediate presser
Standard Adjustment
Sensor cover 2
Standard Adjustment
cam stopper
E
A
Slit plate
0.5 ± 0.2 mm
Intermediate
presser roller
D
C
B
Intermediate
presser cam
7
− −
Slit plate passes
the center.