Brother b837 - Position Detector Adjustment; Ill) Corner Sewmg Pos1 T10 N Adjustment (8835. 8836)

[!!] POSITION DETECTOR ADJUSTMENT
Needle down stop pos1t10n
R~ex
Needle up slop pos01oon --T
1
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1 . Thread cutter element
Set the thread cutter element 0 to 0.5 on the position detector scale.
2. Needle down stop position
Set the needle down stop element 8 to 2.5 on the position detector scale.
3. Needle up stop position
Adjust the needle up stop element 0 so the red dot on the arm and the pulley mdex are aligned when the treadle is
pressed to reverse. (The needle up stop element should be at approximately 8 on the positron detector scale.)
[Adjustment]
Loosen screw 0. and move the thread cutter element 0. needle down stop element 8. and needle up stop element 0.
respectively.
[!ZJ CORNER SEWING POSITION ADJUSTMENT (8835·8836)
1 . Needle feed rocker crank adjustment
* Turn the center screw 0 in the fork of the slide arm 8
so the needle feed rocker crank 0 fits in the fork.
Tighten nut
0 after the adjustment is completed to hold
•
the crank secure in the fork.
Stiff needle feed rocker crank 0 operation will make the needle bar strff. too.
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From the library of: Superior Sewing Machine & Supply LLC