typical GC6-7 - Page 3

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1. Model GC6-6 arm and bed
2. Model GC6-7 arm and bed
3. Model GC6-6 needle bar and thread take-up
4. Model GC6-7 needle bar and thread take-up
5. Arm shaft and vertical shaft
6. Rotating hook and its shaft
7. Stitch length regulating
8. Bottom feed
9. Model GC6-6 presser bar
10. Model GC6-7 presser bar
11. Model GC6-6 top feed
12. Model GC6-7 top feed
13.Lubrication
14.Drip pan and knee lift
15. Accessories
Parts Manual
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6. Adjustment
7. Periodical cleaning
6.1 Timing between needle and rotating hook motion
6.2 Adjusting the feed dog
6.3 Adjusting the tension releasing mechaninsm
6.4 Adjusting the pressure of presser foot
6.5 Adjusting top feed mechanism
6.1.1 Adjusting the needle bar position
6.1.2 Adjusting rotating hook point timing with needle
6.1.3 Removing and installing the rotating hook
6.1.4 Adjusting the clearance between rotating hook and bobbin case
holder position bracket
6.2.1 Adjusting height of feed dog
6.2.2 Adjusting the position of feed dog
6.5.1 Adjusting top feed mechanism of machine Model GC6-6
6.5.2 Adjusting the feed mechanism of machine Model GC6-7
8. Troube-shooting
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