Brother B830 Series User Manual

[I] REVERSE ME C HANISM
~0
1. The reverse solenoid 0 (ON) works by micro switch 0 when the signal actuat or bar 0 is pressed.
2. The reverse
solenoid plunger 0 begins to operate. and the mot ton is conveyed to reverse lever shaft 0 via reverse crank
0 . reverse link 0 . and reverse lever shaft arm G.
3. Wh en reverse lever shaft 0 rotates. the motion is conveyed to shaft «!> and feed regulat or 4D lever 0 .
4. The switch assembly «) changes from forward stitch to backward stitch by the inclination of feed regulator 4!) .
(Movement is conveyed to switch assembly «) via Switch arm 4f} by SWitCh connec ting arm fD ).
[!] THREAD WIPER
Thread w1per soleno1d
Thr ea d w1per L
Thread
w1per R
-8-
After thread trtmmtng. w 1th the mterval of 1 0 - 1 00
ms. thread w1per solenotd 0 1s ON.
2 The thread w1per so lenotd f) dr1ves thread w1pers L
and R
v1a solenotd lmk 0 . thread wiper li nk 0 .
ltnk B 0 . and thr ead w1per guide 0 .
3 In case th at thread wipe r 1s OFF. thread wiper returns
to
1ts orig tnal posttt on wtth the a1d of spnng G.
From the library of: Superior Sewing Machine & Supply LLC

Brother B830 Series Specifications

General

Brand	Brother
Model	B830 Series
Category	Sewing Machine
Language	English