GENERAl- INFORMATION
°This service manual was compi[ed for use when repairing
the VXl120, VXll40 and VX1250 Zigzag Stitch Sewing Machines.
• Usethis manual, together with the Pal_s Catalogr
when making repairs.
• This manual was wri[_en based on the most up-to-date
product specifications at the time of printing.
Some machine specifications may have been changed to
improve the quality of the product.
Cont_lct the manufacturer or you_ local sales representative
for information on such changes.
Brother Industries, Ltd.
Nagoya, ;apan
• Symbols used
T - ! M°ve[nepartinthedirecti°n°f[hearrow
--_ Set the clearance as indicated.
Move the part to it5 highest _r
lowest position.
1. PRINCIPAL MECHANISMS COnnsclingrOd
Zigzag
Bobbin winder
T-belt
(BaYing bell)
Nsed e bsr
Horlzor3taJ feed 8ha4t ing foal
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2. DISASSEMBLING THE SEWING MACHINE
I. Remove_hescr_w_ndthef_cepJmefromtbeJeit_ided_emachine.
_. Loosen lhe [hree screws a[[achin 8 the front and rear carets _nd _hescrew on the levi side Use a screwdriver to disenBa_e the front
cgver tab and remove the [font c_)ver.
;. Lower the presse_ _oot [iftel, Iemove [he four screws indicated and remove the rear cover¸
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3. ADJUSTING THE CLEARANCE BETWEEN THE NEEDLE AND THE SHUTTLE
HOOE (SHUTTLE RACE POSITION)
STANDARD
_. Theclearance between the needle and the shutt]e hook should be between 0.02 and 0.1 ram.
2. The shuttle race should be posl ioned correc ly wL h respee o he urnmg dlrec ion of he shuLLle race.
ADJUSTMENT
1. SeLthe needle position selector to "M" and the stitch width knob LO"0".
_. Turn the baJ_nce wheel to set the needle and the shuttle hook to the correct timing position.
3. Use a screwdriver to _um the needle bar supporter stud slightly to either the right or left and a_just the crearance between the needle
and the shuttle hook.
NOTE
A line through the center of the needle should pass through the center of Lhe shuLtle hook shaft.
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4. A.DJUSTII_G THE CLEARANCE BETWEEN THE SHUTTLE DRIVER AND THE
RACE WAY
STANDARD
There should be no clearance be_veer_ _he shuttJe driver and the race way and the shuttle driver should rotate smoothJy.
_.DILJSTMENT
_, Loosen the two driver shaf[gear screws,
2. Adjust lhe dearance of the drlver shaft.
4. Tighten the t_vo driver shaft gear screws
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