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Change Box Assembly (step 2) - Brother PR600II Service Manual

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Main unit
2

Change box assembly (Step 2)

1. Attach the change gear 1 to the change camshaft.
2. Move the change gear toward the change cam, and secure it with the 2
screws 1.
*Key point
• Align the screw hole on the change gear with the D-cut face
on the change camshaft.
3. Attach the plain washer (M6), C differential gear 3, and plain washer
(M6) to the differential gear shaft 2, and then attach the retaining ring E4.
4. Attach the differential gear shaft assembly to the change gear box, and then
tighten the screw 2.
*Key point
• Turn the differential gear shaft to adjust the backlash of the C
differential gear.
5. Apply MOLYKOTE EM-30L to the groove 4 on the change cam.
Start movie clip (CD-ROM version only)
Apply MOLYKOTE EM-30L to the groove on the
change cam.
1
2
3 - 66
Needle bar change unit
Set Screw, Socket (CP)
M5X6
Set Screw, Socket (FT)
M4X4
Size of a bean
Torque
1.18 – 1.57 N-m
Torque
0.78 – 1.18 N-m
1
2
3
Retaining ring E4
2
4
2
1

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This manual is also suitable for:

Pr620

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