9. STANDARD ADJUSTMENTS
RH-9820
112
18. Remove retaining ring C (26),
loosen the two set screws (27), and
then remove the clamp fulcrum
shaft (28) in the direction of the
arrow.
(Viewed from the underside)
Work clamp plate L
assembly
(Viewed from the underside)
19. Insert clamp fulcrum shaft J (25) in the direction of the arrow, and then install retaining ring C (26).
20. Place the auxiliary clamp arm (22) onto clamp fulcrum shaft J (25) as shown in the illustration, and then install retaining ring
C (21).
21. Tighten the two set screws (27) so that the clearance between the clamp shaft holder (29) and clamp lever L (30) is 2.5
r
0.5 mm.
*
Check that the sides of work clamp L (31) and needle plate L (32) are aligned at this time. If they are not aligned, loosen
the socket bolt (33) and adjust.
22. Install the auxiliary clamp L assembly (34) to the auxiliary clamp arm (22), and then secure it by tightening the socket bolt
(35).
(Refer to “9-26-4. Adjusting the position of the auxiliary clamp”.)
23. Install the spring (20) to the auxiliary clamp arm (22) and the clamp shaft holder (29).
(Continued on next page)
Work clamp plate L assembly
1173B
1605B
