Rack Assembly And Hook Holder Link Attachment - Brother PR600II Service Manual

Main unit
2

Rack assembly and hook holder link attachment

1. Attach the hook holder link 1 to the rack assembly's shaft, and then attach
the retaining ring E3.
2. Apply MOLYKOTE EM-30L to the gear face 2 and the connecting face
on the rack assembly, and the hook holder shaft attachment hole 3 on the
hook holder link.
3. Attach the rack assembly to the base plate assembly's 2 shafts, and then
attach the 2 retaining rings E4.
4. Attach the needle thread sensor assembly 4 to the base plate assembly
with the 2 screws 1.
Apply MOLYKOTE EM-30L to the gear face and the
connecting face on the rack assembly, and the hook
holder shaft attachment hole on the hook holder link.
1
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 - 28 "Needle threader adjustment (right/left)".
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,
and the spring
S56
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.
Start movie clip (CD-ROM version only)
1
S56
3 - 70
Needle thread unit
Screw, Pan (S/P washer)
M3X6
, and then attach the hook holder assembly 5 to the
Set Screw, Socket (CP)
M3X3
5.5
3.5
Size of a grain of
rice
Torque
0.59 – 0.78 N-m
5
Torque
0.59 – 0.78 N-m
HOOK HOLDER SPRING
XC7375***
2
1 3
4 1
Retaining rings E4
S56
3
6
4
1
1
2