Lower Shaft Backlash Adjustment And Connection/Disconnection; Oscillator Gear Positioning - JUKI AMS-221EN Series Engineer's Manual

(13) Lower shaft backlash adjustment and connection/disconnection

1. Size of lower shaft backlash is 0.01 to 0.1mm (throughout the circumference of the main shaft) at the tip of
the driver . The shaft is required to rotate smoothly.
2. Define the stop position of the lower shaft
section of the lower shaft
C

(14) Oscillator gear positioning

1. When the oscillator is lightly swung by a finger in the direction of the arrow, the oscillator
center position of swinging.
Standard Adjustment
.
Face A
Standard Adjustment
No. 1 screw
so that the setscrew
0.01 to 0.1mm
(throughout the
circumference of
the main shaft)
No. 2 screw
A
– 24 –
settles almost in the center of the flat
No. 1 screw
is fixed in the