Case Bracket Assembly Attachment - Brother PR655 Service Manual

Main unit
3

Case bracket assembly attachment

1. Attach the case guide UL assembly 1 to the arm bed with the 2 screws 1.
2. Apply MOLYKOTE EM - 30L to the slide roller 2 (4 locations).
3. Place the slide roller 2 in the V groove on the case bracket assembly, slide
the case bracket assembly horizontally to attach it to the case guide UL
assembly 1, and then firmly tighten the 2 screws 2 of the case bracket
assembly.
*Key point
• Adjust the attachment position of the case bracket assembly
vertically so that the clearance between the 2 ball bearings
694 of the case bracket assembly and the case guide UL
assembly is zero.
4. Attach the 2 slide roller stoppers 3 to both ends of case guide US with the
2 screws 3.
5. Attach the 2 case guide UL lids 4 to both ends of the case guide UL
assembly with the 2 screws 4.
Apply MOLYKOTE EM-30L to the 4 slide rollers.
1
2
3
4
Needle bar unit
Size of a grain of
Bolt, Socket
1.18 — 1.57 N-m
M4X12
Bolt, Socket
1.18 — 1.57 N-m
M4X8
Screw, Pan
0.59 — 0.78 N-m
M3X4
3 - 52
rice
3
Torque
Torque
Torque
4 4
1 1
2 2
3 4
3 4