Brother XM3700 Service Manual page 17

2
Basic of
Disassembly/Assembly
When repair and replace the part of the unit, refer to "CHAPTER 3:
Application of Disassembly/Assembly".
Disassembly
Assembly
Main frame and Covers .............................. 2 - 2
Main motor unit........................................... 2 - 6
Feed unit .................................................... 2 - 9
Needle threading mechanism................... 2 - 12
Zigzag mechanism ................................... 2 - 14
Feed control mechanism .......................... 2 - 17
Buttonhole and
Pattern selecting mechanism ................... 2 - 21
Upper shaft, Needle bar and
Presser foot unit ....................................... 2 - 25
Upper shaft, Needle bar and
Presser foot unit ....................................... 2 - 28
Buttonhole and
Pattern selecting mechanism ................... 2 - 31
Feed control mechanism .......................... 2 - 36
Zigzag mechanism ................................... 2 - 40
Needle threading mechanism................... 2 - 44
Feed unit .................................................. 2 - 46
Main motor unit......................................... 2 - 50
Main frame and Covers ............................ 2 - 53
2 - 1