8 of 289
Critical Measurements 280
Introduction 280
Needle Drive Stud to Reciprocator Fit 281
Hook Timing 281
Upper Arm to Lower Bed Alignment 281
Needle to Hook Gap 282
Hook to Rotary Support Gap 282
Take-Up Lever Stroke 282
Take-Up Lever Fit to Shaft 283
Take-Up Lever Endplay 283
Cam Follower Preload 283
Pull Force on Take-Up Lever 284
Color Change Lead Screw 284
Color Change Housing Location 285
Bobbin Tension 285
Presser Foot Adjustment at Bottom Dead Center 286
Thread Feed Forward 200 287
Needles 287
Thread Clean Thread Path 288
Z-Belt Tension 288
X-Cable Tension 289
Y-Axis Timing Belt Tension 289
Proper Lubrication of Moving Parts 289
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