Ol Eccentricity / Ul Rod / Ul Eccentricity - Brother SB3734T Service Manual

Disassembly
10

OL eccentricity / UL rod / UL eccentricity

1. Remove the two screws (set screw, socket (CP) M4x4) to remove the OL eccentricity from the looper
driving shaft.
*Assembling note
• Fully tighten the screw after performing
2. Remove the UL rod from the UL eccentricity.
3. Remove the screw (screw, pan M3x10) to remove the change spring and the spacer 3x6 and from the
UL rod. Remove the screw (screw, pan M3x6) to remove the change spring and the spacer 3x2.5 from
the UL link.
4. Remove the stopper screw to remove the UL link from the UL rod.
5. Remove the two screws (set screw, socket (CP) M4x4) to remove the UL eccentricity from the looper
driving shaft.
*Assembling note
• Fully tighten the screw after performing
Set Screw, Socket (CP) M4X4
Screw, Pan M3X10
Screw, Pan M3X6
Screw, pan M3x10
Change spring
UL link
Screw, pan M3x6
Set screw, socket (CP) M4x4
Upper blade / Lower blade / Looper
"Over looper timing
"Lower looper timing
Spacer 3x6
Spacer 3x2.5
OL eccentricity
Fig. 2-10
2 - 34
adjustment".
adjustment".
Set screw, socket (CP) M4x4
UL eccentricity
Stopper screw
UL rod
Looper driving shaft