Case Positioning Plate Assembly; Case Positioning Plate Assembly Attachment; Needle Bar Case Final Assembly - Brother PR600 Service Manual

Main unit
4

Case positioning plate assembly

1. Attach the ball bearing 694 assembly 2 to the case positioning plate 3
with the nut 2, M4 1, spring washers 2-4, and plain washers M4.
*Key point
• Temporarily tighten the nut 2, M4 1 first. Firmly tighten them
after completing 3 - 60 "Needle bar case final assembly
attachment."
Tightening torque of nut (2, M4):
Temporary tightening:
5

Case positioning plate assembly attachment

1. Attach the case positioning plate assembly 1 to the arm bed with the
screw 1 and the spring washer 2-5.
*Key point
• Temporarily tighten the screw 1 first. Firmly tighten it after
completing 4 - 18 "Needle position adjustment (front/back)."
1
6

Needle bar case final assembly

1. Attach the needle bar guide rail 1 to the needle bar case assembly with the
4 screws 1.
2. Attach the top dead center plate 2 to the needle bar case assembly with the
2 screws 2. (6 locations)
*Key point
• Temporarily tighten the screw 2 first. Firmly tighten it after
completing 4 - 24 "Needle bar top dead center adjustment."
1
2
Needle bar unit
Bolt, Socket
1.18 – 1.57 N-m
M5X10
Color; Black
Screw, Flat
M4X10 1.18 – 1.57 N-m
Color; Silver
Screw, Bind
M4X6
Hand start
Color; Silver
1
Torque
Hand start
Torque
2
Torque
Torque
3 2
1
1
1
2
1
3 - 55