Brother International CB3-B917 Service Manual - Page 12
Feed roller shaft
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1-6-1. Horizontal feed mechanism 1. MECHANICAL DESCRIPTIONS Feed plate Feed bracket 3. Rocking 4. Right - left Lower shaft Lower shaft helical gear Drive shaft helical gear Drive shaft 1. Rotation 120s 119s Feed link Worm Feed roller shaft 2 Horizontal feed lever Feed roller Vertical feed cam Cam shaft Worm gear Button hole spacing 2 mm 121s Button hole spacing 6 mm 122s CB3-B916A/B917A 6
1. MECHANICAL DESCRIPTIONS
CB3-B916A/B917A
6
1-6-1. Horizontal feed mechanism
Button hole spacing 2 mm
Button hole spacing 6 mm
121s
122s
119s
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
Horizontal feed
lever
Feed link
Feed bracket
Feed plate
1. Rotation
4. Right - left
3. Rocking
120s
2