Mechanical Descriptions; Needle Bar And Thread Take-Up; Mechanisms; Lower Shaft And Shuttle Race - Brother BAS-311H Service Manual

6. MECHANICAL DESCRIPTIONS

6. MECHANICAL DESCRIPTIONS
The mechanisms operate in the order of the given in the illustrations.
* <number> indicates the flow of each operations given.
6-1. Needle bar and thread take-up mechanisms
6-2. Lower shaft and shuttle race mechanisms
49
1. Motor assembly
2. Upper shaft
3. Thread take-up crank
4. Needle bar crank
5. Needle bar
connecting rod
6. Needle bar clamp
7. Needle bar
BAS-311H
<5>Thread take-up lever
assembly
<6>Thread take-up
support
1. Motor assembly
2. Upper shaft
3. Crank rod assembly
4. Rock gear
5. Lower gear
6. Lower shaft
7. Driver
8. Shuttle hook
3246B
3247B