X-Guide Shaft Attachment - Brother PR655 Service Manual

Main unit
6

X-guide shaft attachment

1. Attach the linear bearing (12) 2 to bearing case X and XB 1, and then
attach the 2 external retaining rings C21. (2 sets)
2. Attach the X-roller 3 to the bearing case X and XB assembly, and then
attach the retaining ring E4. (2 sets)
3. Apply MOLYKOTE EM-30L to the shaft hole 4 on the bearing case.
4. Thread the 2 bearing case X final assemblies through the X-guide shaft 5,
attach the X-guide shaft 5 to the feed frame assembly, and then tighten the
2 nuts (2, M6) 6, 2 plain washers (M6) 7, and 2 spring washers (2-6) 8
to both ends of the X-guide shaft 5.
*Key point
• Attach the X-guide shaft so that the end with a cut to prevent
turning together is on the right side (Y-carriage R assembly
side).
Apply MOLYKOTE EM-30L to the shaft hole on the
bearing case.
Tightening torque of nut (2, M6):
Feed unit
Size of a bean
4.41 - 4.90 N-m
3 - 80
External retaining rings C21
2
Retaining ring E4
4 3
6
Bearing case X
8
7
Bearing case XB
5
7
8
1
6