Disassembly - Brother b831 Service Manual

DISASSEMBLY EKUCEDUKES
[B837 B838]
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The disassembly procedure described below is based on the standard version of model LS2-B837. Refer to the
procedure for model LS2-B832 for disassembly of the lower shaft and thread cutter assembly.
o
Model LT2-B838
Loosen thumb screw O- remove step screw O and washer O. and remove the face plate O-
Remove the seven set screws O. top cover O and top cover gasket O- (Remove with the thread take-up cover in place
on the top cover O.)
Remove bed slides L O and R O- (On B838. remove the set screw and remove bed slide F ©.)
Loosen set screw ©. and the needle ®.
Remove screw ® and needle plate ©•
Remove set screw © and the vibrating presser foot ©,
(Removal will be easier if the vibrating presser foot © is first raised with the presser foot lifter lever.)
Loosen set screw ®, and remove the lifting presser foot ©.
Loosen set screw © and remove the needle guard support ©. (Leavethe thread cutter and thread cutter guide plate on.)
Replace with parts for a two needle machine on model B838.
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