Baby Lock BL-6800 Service Manual page 20

Assembly Procedure
46. Install the leg adjustment screws.
47. Install the three bottom leg rubber pads.
48. Pass the thread slack plate C and torsion spring onto the arm press-fit shaft, hang the torsion spring, then
install with the CS lock ring.
49. Install the selection dial assembly with the presser plate and screws.
50. Install the M4 hex screw.
51. Align the selection unit with installation reference hole on the arm rear surface and install with the three
screws.
52. Install the BH stopper assembly and spring with the two screws.
53. Pass the feed regulator onto the feed regulator shaft and plastic washer (A), then secure with the fastening
plate and screws.
Assembly Points
48. After installing the thread slack plate C, rotate it and check that the force of the torsion spring returns it to
its original position.
49. Align the selection dial shaft bearing alignment mark (G) with 20° below the front. (See Adjustment
Procedure 15.)
51. Install the selection unit screws in the order (B), (C), then (D).
51. Watch out for backlash between the selection cam gear section and the selection dial assembly gear
section. (See Adjustment Procedure 15.)
52. After installing the feed regulator and feed regulator shaft, check that the feed regulator has no axial play
and that the feed regulator rotates freely.
53. Insert the plastic washer (A) between the feed regulator and arm.
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