Pulley Attachment - Brother PE770 Service Manual

Main unit
4

Pulley attachment

1. Attach the pulley 1 to the upper shaft assy.
*Key point
• When the D cut 2 on the upper shaft is facing forward, the
pulley base line 3 is on the upper side.
5
Upper shaft assy. attachment
1. Attach the fixed joint 1 to the upper shaft.
*Key point
• Attach so that the fixed joint 1 screw holes are toward the left
side.
2. Place the timing belt 2 around the upper shaft pulley 3, and insert the
upper shaft assembly 4.
3. Attach the bushing presser 5 using the screw 1.
*Key point
• Move the fixed joint 1 to the left side of the upper shaft.
1
Needle bar, presser mechanism / upper shaft mechanism
Taptite, Bind S
M4X10
1.47 — 1.98 N·m
forword
2
Screw holes toward the left side
1
4
Torque
2
3 1
1
5 1
3
3 - 5