Contents
4
5
6
Maintenance 29
4.1 Machine Head Cleaning 29
4.2
4.3
Lubrication 29
Safety Inspection 29
Troubleshooting 30
Parts List 31
6.1
6.2
Face Plate, Arm Top Cover and Arm Side Cover Components 32
Thread Take-up, Arm Shaft and Handwheel Components 34
6.3
Needle Bar, Presser Bar and Needle Plate Components
36
6.4 Zigzag Triangular Cam and Hook Advancing Crank Components 38
6.5 Bight Amplitude, Bight and L-C-R Position Components 40
6.6 Arm Shaft (upright) and Rotating Hook Drive Shaft Components 42
6.7 Hook and Bobbin Case Components 44
6.8 Feed Regulating Dial and Feed Reverse Lever Components 46
6.9 Feed Mechanism Components 48
Presser Bar Lifter and Thread Tension Components 50
Feed Mechanism Components for 20E-910 only 52
6.12 Needle Bar Vibration Components for 20E-910 only 54
6.13
6.10
6.11
Control system components for 20E-910 only 55
6.14 Thread Stand Components 56
6.15 Accessories and Attachments 58
6.16 Belt Cover Components and Extra Parts 60
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