Outer Rotary Hook Assy. Attachment - Brother PE770 Service Manual

Modules
6

Outer rotary hook assy. attachment

1. Apply a small amount of Molykote EM30L to the shaft supporter 1.
2. Install the outer rotary hook shaft 2, spacer (thin) 3, outer rotary hook
assy 4, washer 6 (thick) 5 and the spacer (thin) 3.
*Key point
• With the D cut 6 in the lower shaft B facing upward, attach so
that the solid dot 7 on the rotary hook assy faces forward.
*Attach from a position where 7 is 45 deg. to the right.
3. Install the screw 1 in the shaft supporter.
Apply MOLYKOTE EM30L to the shaft supporter
surface
Lubricate the outer rotary hook shaft with OILER B
ASSY
1
7
Photo diode holder ASSY assembly
1. Engage the photo diode assembly 1 with the 2 hooks on the photo diode
holder 2.
8
Photo diode holder assembly attachment
1. Attach the photo diode holder assembly 1 to the inner rotary hook bracket
2 with the screw 1.
*Key point
• Engage the positioning tab on the photo diode holder
assembly 1 with the positioning hole on the inner rotary hook
bracket 2.
1
3 - 56
Feed module
Set Screw, Socket (CP)
M4X6
Screw, Bind
M2X4
Small amount
XC8385***
Apply liberally
XZ0206***
Torque
1.18 — 1.57 N·m
7
Torque
0.29 — 0.49 N·m
1
1
1
1 2
1 2
1
2
3
4
5
3
6