Brother b837 - Page 33

Ill Needle bar rise and needle bar height
Needle bar down pos1110n
Needle bar down POS iti On
@ Wh en r a1sed 2 4 mm
e
Needle bar down posH10n
ll I
Rotary hook po1nt
~ N"d lo ""'"
( Mod el LT2- B832 - 400A ]
• Slide t he needle
clamp all t he way
1nt0 the needle
bar
[Mod el LT2- B835 - 400A ]
•''
<I
~P.-,---'-
t- t 5 mm
8831 . 8832 . 8882
( 1) When the needle bar e IS In ItS lowest pOSitOin. the needle POS iti On reference I me .. a .. of the needle bar must be aligned
with th e bo ttom edge of th e needle bar bushmg 0 Loosen the set screw 0 . and align the needle pos1 11 0n reference
line .. a .. of the needle bar w ith the bot t om edge of the needle bar bushmg 0 .
(2) When the needle bar E) IS 2 4 mm above liS lowest POSitiOn. needle pOSitiOn refer ence line .. b .. Of the needle bar IS
aligned with the bott om edge of the need le bar bush1ng 0 . Atth 1s lime. the rotary hook po 1nt mus t be a l1 gned w1th the
needle
center .
•
Loosen the thr ee set screws 0 . and al1gn the ro tary h ook pomt with the needle cen t er
When the rotary h ook pomt1s aligned with the needle center. con f1 rm th at the spacer between the to p of the needle eye
and
rot ary hook po~nt IS 1 - 1 .5 mm .
8835 · 8836
( 1) Wh en th e needle bar E) IS I ll liS l owes t pOSi ti On. th e needle POS iti On reference line .. a .. Of the needle bar IS al1 gned with
th e bottom edge of the needle bar bush1ng O.
(2) Wh en the needle bar E) IS 2.4 mm above liS lowest POSi ti On. needle pOSit iOn reference l ine .. b .. of t he ne edle bar IS
aligned w1 th the bott om edge of t he needle bar bush1ng 0 At th1s lime. the rotary hook po1nt must be aligned w1th the
needle center.
Loosen t
he thr ee set scre ws 0. and align the rotary hook po1nt with the needle center.
(3) When t he rotary hook po~n t IS aligned w1th the needle cen ter. t he space be t ween the t op of the needle eye and rotary
hook po~nt mus t be 1 - 1 5 mm.
Remove th e set screw 0 . turn t he needle clampset screw 0 . and adJUSt so that the space b etwe en the rotary hoo k
po1nt and the top of th e needle eye 1S 1 - 1 .5 mm .
• One full revolut1on of se t sc rew 0 will ra1se or l owe r the needle cla mp approx. 0 .6 mm
From the library of: Superior Sewing Machine & Supply LLC