Brother b837 - [!]Feed Dog Adjustment M Back and Forth Directions

[I) FEED DOG ADJUSTMENT IN BACK AND FORTH DIRECTIONS
0
15 mm
1. Turn the feed ad1us t1 ng d1al to pos1t1on 0.
2. Loosen screws 0 and f) . and adjust feed dog f) so that the center of 1ts needle hole will be as shown above.
• After the adjustment. securely lighten screws 0 and f) .
3. Turn the mach1ne pulley until the needle bar IS up m Its h1ghest poSitiOn
• Check
the needle to be sure that 1t IS not bent. Or. replace 1t with a new needle
4.
Slowly turn the machme pulley. and see If the needle falls exactly m the cente r of th e needle ho le 1n feed dog f) . (The
presser bar to
walkmg bar presser bar gap 1s 8.2 mm .)
• If the needle does not fall exactly m the center of the needle hole m feed dog f) . adjuSt 11 1n the follow1ng manner
( 1) Remove the rear cover. and loosen screw 0 .
(2) Move needle bar suppo rt 0 little by litt le unt il the tip of the needle IS 1n l 1ne with the cen te r of the needle hole 1n feed
dog f) .
(3) After the adjustment. tighten screw 0 securely.
8.2 mm
"
,.
..
,,
"
,,
!tl Excessive presser bar and walking
presser bar gap
• The feed dog will stnke the needle plate when
the feed regulator d1al IS set to max 1mum.
!~\
• Sk1pped stitches. broken needles.
• I mprop er thread tn mmmg when t he thread
cutter 1s used
Stnkes needle plate ''
gap IS lllSUffi Cie nl
Strikes needle plate ''
gap 1s excess1ve.
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From the library of: Superior Sewing Machine & Supply LLC