Brother ArtCity140, Service Manual

Page: 32 / 151

Basic of Disassembly
2 - 20
Bobbin winder, Upper shaft, Needle-presser module
Basic of
D
isassembly
Basic of
D
isassembly
2
Removal of Upper shaft assy
1. Remove the timing belt from the upper shaft assy.
2. Remove the screw (set screw, socket (FT) M5X5) from the thread take-up counter weight of upper shaft
assy.
3. Remove the two screws (taptite, bind S M4X10) to remove the two bushing pressers from the arm bed.
And remove the two lower shaft bushings of upper shaft assy from the arm bed, and then slide the
upper shaft assy in the direction of the arrow to remove the thread take-up counter weight of upper
shaft assy from the shaft of thread take-up lever.
→
Refer to 3 - 25 Disassembly of Upper shaft assy.
Taptite, Bind S M4X10
Set Screw, Socket (FT) M5X5
Hex wrench 2.5 mm
Mounting positions
Taptite, bind S M4X10
Shaft of thread take-up lever
Lower shaft bushing
Lower shaft bushing
Bushing pressers
Set screw, socket (FT) M5X5
Thread take-up
counter weight
Timing belt
Upper shaft assy