Brother 640D overlocker serger Workshop Service & Repair Manual

Brother 640D overlocker serger Workshop Service & Repair Manual

This is the original Brother 640D overlocker serger Workshop Service & Repair Manual for repair and servicing Brother 640D overlocker serger

This is a complete and very comprehensive, illustrated workshop manual for repair and servicing of your Brother 640D overlocker serger, and covers the follow topics in great detail.

I HOW TO USE THIS MANUAL
II HOW TO ADJUST
1. Height of needle bar
2. Position of the lowerlooper
3. Timing of the lowerlooper
4. Timing of the upperlooper
5.1 Height of feed dog
5.2 Height of feed dog
6. Feed timing
7. Height of presser bar
8. Thread tension adjustment
9. Position of thread take-up
10. Position of looper thread take-up
11. Replacing the knives
12. Adjustment and replacement for the timing belt
13. Changing the light bulb

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