Brother SB3734T Service Manual page 19

Disassembly
6. Remove the two screws (tapping screw, pan V M3x8) to remove the needle thread take-up guide and
the needle thread separator from the panel plate L assy.
7. Remove the screw (tapping screw, pan V M3x8) to remove the needle thread guide O from the panel
plate L assy.
8. Remove the screw (tapping screw, pan V M3x8) to remove the washer spring 2-3 and the needle
thread guide R from the panel plate L assy.
9. Pull out the pin spring roll AW2 to remove the UL thread guide lever and the UL thread guide spring
from the panel plate L assy.
Tapping screw, pan V M3X8
Panel plate L assy
Main frame / Covers / Upper thread guide
Needle thread take-up guide
Tapping screw, pan V M3x8
Needle thread guide O
Needle thread guide R
Fig. 2-6
2 - 8
Tapping screw, pan V M3x8
Needle thread separator
Tapping screw,
pan V M3x8
Washer spring 2-3
UL thread guide lever
UL thread guide
spring
Pin spring roll AW2