Work Clamp Lifter Mechanism - Brother BAS-342G Service Manual

Programmable electronic pattern sewer
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6-4. Work clamp lifter mechanism

Apply the grease <SA8837-001> specified by Brother in the places indicated by
Set the work clamp cam gear (2) so that there is no
clearance between it and the ball bearing in the shaft
direction, and then align the V groove in the work clamp
fulcrum shaft (3) with the thread on the hole side of the
work clamp cam gear (2). Then tighten the set screw
(7).
Align the screw stop, and then tighten
the screw (12) so that there is no play
in the stepping work clamp driving
lever (9) and the set screw collar (10).
Check that the stepping work clamp
driving lever (9) turns smoothly.
1. Ball bearings [2 pcs]
2. Work clamp cam gear
3. Work clamp fulcrum shaft
4. Retaining ring C
5. Plain washer
6. Screw
7. Set screw
8. Set screw
9. Stepping work clamp driving
lever
10. Set screw collar
11. Work clamp lever shaft
12. Set screw
13. Set screws [2 pcs]
14. Shoulder screw
15. Stepping clamp lifter rod
holders [2 pcs]
16. Bolts [2 pcs]
1354B
After installing
the
stepping
clamp lifter rod
holders
(15),
check that the
stepping clamp
lifter (a) moves
smoothly.
BAS-342G
.
Gently fit the rubber bushing (b) into the
stepping clamp lifter rod holders (15), and
then secure it with the two bolts (16).
(Continued on the next page.)
6. ASSEMBLY
1273B
1390B
1274B
58

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