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Change Box Assembly (step 3) - Brother PR600II Service Manual

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Main unit
3

Change box assembly (Step 3)

1. Attach the index motor assembly 1 to the change motor base 2 with the 2
screws 1.
2. Attach the change motor base assembly to the change box assembly with
the 2 screws 2.
*Key point
• Move the change motor base assembly up and down to adjust
the backlash of the index motor assembly's gear and the C
differential gear.
3. Apply MOLYKOTE EM-30L to the index motor gear and the C
differential gear.
4. Attach the index sensor assembly 3 to the C sensor bracket 4 with the
screw 3.
5. Attach the C sensor bracket assembly to the change box assembly with the
screw 4.
6. Attach the color change sensor assembly 5 to the C sensor bracket lower
6 with the screw 5.
7. Attach the C sensor bracket assy lower to the change box with the screw
6.
8. Paint the index motor assembly's connector green.
Start movie clip (CD-ROM version only)
Apply MOLYKOTE EM-30L to the index motor gear
and the C differential gear.
1
2
4
6
3
5
4
Change box assembly attachment
1. Attach the change box assembly 1 with the 2 screws 1.
*Key point
• Align the change roller 3 with the cam groove 2 on the
change cam.
• Temporarily tighten the screws 1 first. Firmly tighten them
after completing 4 - 21 "Needle position adjustment (right/left)".
Start movie clip (CD-ROM version only)
1
Needle bar change unit
Size of grain of
Screw, Pan
0.59 – 0.78 N-m
M3X4
Screw, Bind
1.18 – 1.57 N-m
M4X6
Screw, Pan (S/P washer)
0.59 – 0.78 N-m
M3X6
BOLT. (S/P WASHER)
Hand start
M5X16
1
rice
4
Torque
Torque
Torque
4
Torque
2
1
2
3
3
6
6
5
5
1
1
3
2
3 - 67

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This manual is also suitable for:

Pr620

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