Hook Assembly - Brother PR655 Service Manual

Main unit
3

Hook assembly

1. Attach the bush 2 to the hook holder axis B 1 with the screw 1.
*Key point
• Temporarily tighten the screw 1 first. Firmly tighten it after
completing 4 - 29 "Needle threader (left/right)".
2. Attach the set collar assembly 3 to the base plate assembly.
*Key point
• Thread the set collar assembly through the slot on the base
plate, and turn it 90 degrees.
3. Thread the hook holder axis B assembly through the hole 4 on the hook
holder link, the groove on the base plate assembly, the set collar assembly
3, and the spring
S56
the hook holder axis B assembly and the set collar assembly's axis.
4. Attach the cap 6 to the tip of the slot on the base plate assembly.
1
S56
4
LED pointer attachment
1. Attach the PT guard cover 1 to the light source assy 2.
2. Attach the light source assy 2 to the LED lens holder plate 3 with the
screw 1.
3. Attach the LED lens holder plate 3 to the LED PT base plate 4 with the
screw 2.
4. Attach the LED PT base plate 4 to the base plate assembly with the screw
3.
5. Attach the light source assy's lead wire to the lead wire guide.
6. Attach the spiral tube 5 to the lead wires.
7. Set the cord clamp 6 to the lead wires, and then attach the cord clamp 6
with the screw 4.
1
2
3
4
Needle thread unit
, and then attach the hook holder assembly 5 to
Set Screw, Socket (CP)
M3X3
5.5
HOOK HOLDER SPRING
3.5
Screw, Pan (S/P washer)
0.59 — 0.78 N-m
M3X6
Bolt socket (S/P washer)
3X6
Screw, Pan (S/P washer)
1.18 — 1.67 N-m
M4X10
3 - 73
5
3
6
Torque
Hand start
XC7375***
1
2
3
5
Torque
Torque
Hand start
Torque
S56
1
4
1
2
1
4
3
2
6
4