Brother International CB3-B917 Service Manual - Page 23

Brake] P.39.

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3. ASSEMBLY AND ADJUSTMENT 3-2. Number of stitches changing Mark 308s 309s 1. Fit the clutch to the clutch shaft the set screw . and secure with 2. Rotate the stop cam (pulley) and align the marking on the vertical feed cam with the cam positioning pin . Apply grease 3. Fit the number of stitches adjustment M-gear , snap ring to the adjustment M-gear shaft . 4. Fit the number of stitches adjustment cam to the cam shaft . 5. Attach the thread trimmer lever to the clutch shaft . 310s 6. Insert the brake shaft into the hole in the bed. 7. Insert the brake lever shaft into the oval hole in the brake lever , and provisionally tighten the set screw on the bottom side of the clutch body . 8. Turn the brake shaft until the screw is facing upward, and then secure it by tightening the set screw . * Adjust the brake while referring to section Adjustment of [Brake] (P.39). 9. Contact the stop cam side to the clutch. 311s Contact 334s 17 CB3-B916A/B917A

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3. ASSEMBLY AND ADJUSTMENT
CB3-B916A/B917A
17
3-2. Number of stitches changing
1.
Fit the clutch
to the clutch shaft
and secure with
the set screw
.
308s
309s
Mark
Apply grease
310s
2.
Rotate the stop cam (pulley) and align the marking on the
vertical feed cam
with the cam positioning pin
.
3. Fit the number of stitches adjustment M-gear
, snap
ring
to the adjustment M-gear shaft
.
4. Fit the number of stitches adjustment cam
to the cam
shaft
.
5. Attach the thread trimmer lever
to the clutch shaft
.
6. Insert the brake shaft
into the hole
in the bed.
7. Insert the brake lever shaft
into the oval hole in the
brake lever
, and provisionally tighten the set screw
on the bottom side of the clutch body
.
8. Turn the brake shaft
until the screw
is facing
upward, and then secure it by tightening the set screw
.
* Adjust the brake while referring to section Adjustment of
[Brake] (P.39).
9.
Contact the stop cam side
to the clutch.
Contact
334s
311s