Brother International CB3-B917 Service Manual - Page 11

Feed mechanism

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1. MECHANICAL DESCRIPTIONS 1-6. Feed mechanism 1-6-1. Vertical feed mechanism Feed plate Vertical feed link A Feed bracket 2. Right - left 5. Forward -back Lower shaft Lower shaft helical gear Drive shaft helical gear Drive shaft 117s 116s Feed roller shaft Vertical feed connecting rod 4. Forward - back Slide block 3. Rocking Vertical feed lever Feed roller Vertical feed cam Worm Worm gear Cam shaft 1. Rotation 118s Vertical feed adjustment lever Vertical feed scale 5 CB3-B916A/B917A

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1. MECHANICAL DESCRIPTIONS
CB3-B916A/B917A
5
1-6. Feed mechanism
1-6-1. Vertical feed mechanism
117s
Drive shaft
Drive shaft helical gear
Lower shaft helical gear
Lower shaft
Worm
Worm gear
Cam shaft
Vertical feed cam
Feed roller
Feed roller shaft
Vertical feed lever
Slide block
Vertical feed connecting
rod
Vertical feed link A
Feed bracket
Feed plate
1. Rotation
2. Right – left
3. Rocking
4. Forward – back
5. Forward -back
118s
Vertical feed
adjustment lever
Vertical feed scale
116s