Brother International CB3-B917 Service Manual - Page 31

Clutch

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3. ASSEMBLY AND ADJUSTMENT 3-5. Clutch 10 - 12 mm 1. Tilt the sewing machine downward 2. Turn the spring hanger to adjust so that the distance from the edge of the clutch is 10 - 20 mm. 3. Attach the clutch tension spring to spring hangers and . 344s Apply grease 4. Attach the V-belt . 5. Fit the pulley return spring , the steel ball 7/32 , and pulley in that order to the drive shaft . 6. Place the steel ball 5/16 on top of the pulley . 7. Attach the ball presser plate to the clutch . 345s 8. With the sewing machine in the stop position, loosen the nut and adjust the screw so that there is a 0.8 mm clearance in the thrust direction of the pulley . 0.8 mm 346s 25 CB3-B916A/B917A

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3. ASSEMBLY AND ADJUSTMENT
CB3-B916A/B917A
25
3-5. Clutch
344s
10 – 12 mm
8.
With the sewing machine in the stop position, loosen the
nut
and adjust the screw
so that there is a 0.8 mm
clearance in the thrust direction of the pulley
.
1.
Tilt the sewing machine downward
2. Turn the spring hanger
to adjust so that the distance
from the edge of the clutch
is 10 – 20 mm.
3. Attach the clutch tension spring
to spring hangers
and
.
4.
Attach the V-belt
.
5. Fit the pulley return spring
, the steel ball 7/32
, and
pulley
in that order to the drive shaft
.
6. Place the steel ball 5/16
on top of the pulley
.
7. Attach the ball presser plate
to the clutch
.
345s
Apply grease
346s
0.8 mm