Standard Adjustment; Machine Head Components; Adjustment Of The Main Shaft Components; Removing The Play Of Main Shaft - JUKI MOL-254 Engineer's Manual

4. STANDARD ADJUSTMENT

[1] Machine head components

(1) Adjustment of the main shaft components

1) Removing the play of main shaft

Machine arm
Main shaft bushing, middle

2) Installing the main shaft coupling

Main shaft rear bearing
Main shaft
Machine arm
Standard Adjustment
Thrust collar
Rubber ring
Flat section
Screw No. 1
Coupling
0
2.5 mm
-1
7
− −
Main shaft
Thread trimmer cam
Servo motor
0.5 mm