Change Box Assembly (Step 1) - Brother PR600II Service Manual

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Main unit
1

Change box assembly (Step 1)

1. Attach the C stop position dog 1 to the change camshaft 2 with the 2
screws 1.
*Key point
• Align the change camshaft's end face (grooved) with the C
stop position dog's end face.
• Align the D-cut face 3 on the change camshaft with the screw
hole positioned 90-degrees to the right when the C stop
position dog is at the top.
2. Apply MOLYKOTE EM-30L to the 2 shaft holes 4 on the change box
assembly.
3. Attach the change camshaft assembly, thrust washer 5, and change cam
6 to the change box assembly, and then secure the change cam with the 2
screws 2.
*Key point
• Align the C stop position dog with the mark 7 on the change
cam.
Start movie clip (CD-ROM version only)
Apply MOLYKOTE EM-30L to the shaft holes on the
change box assembly.
1
2
Needle bar change unit
Size of a grain of
Set Screw, Socket (CP)
0.78 – 1.18 N-m
M3X4
Set Screw, Socket (CP)
1.18 – 1.57 N-m
M5X6
1
1
rice
2
Torque
Torque
2
3
4
5
6
7
3 - 65

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Pr620

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