Brother BAS-342G - 11-8. Adjusting the rotary hook lubrication amount

6. ASSEMBLY
BAS-342G
58
6-4. Work clamp lifter mechanism
Apply the grease <SA8837-001> specified by Brother in the places indicated by .
(Continued on the next page.)
Set the work clamp cam gea
r
(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
w
ork clamp cam gea
r
(2). Then tighten the set screw
(7).
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]
A
lign 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.
1273B
1354B
A
fter installing
the stepping
clamp lifter rod
holders (15),
check that the
stepping clamp
lifter (a) moves
smoothly.
1274B
Gently fit the rubber bushing (b) into the
stepping clamp lifter rod holders (15), and
then secure it with the two bolts (16).
1390B