Brother CE-8080PRW, Service Manual

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Adjustment
Adjustment
Needle bar height
[Adjustment standard]
When turn the pulley by hand until the right edge of the needle aligns with the outer rotary hook point, the distance
between the top edge of the needle eye and the bottom edge of the outer rotary hook point must be 1.0 to 1.4mm.
[Adjustment procedure]
1. Remove the presser foot, the needle plate B and the needle plate A, then remove the inner rotary hook.
2. Remove the face plate.
3. Start the test mode.
4. Select the pattern number "02" (3-point needle drop mode).
5. Press (Reverse/reinforcement stitch button) and move the needle bar to the left base line, then turn off the
power.
6. Turn the pulley by hand until the right edge of the needle aligns with the outer rotary hook point.
7. Loosen the screw (set screw socket (FT) M4 x 4) of the needle bar block with the hex wrench (2mm).
8. Move the needle bar up and down, to adjust the distance between the top edge of the needle eye and the bottom
edge of the outer rotary hook point to 1.0 to 1.4mm.
NOTE
• Check that the needle block faces front.
9. Tighten the screw (set screw socket (FT) M4 x 4) of the needle bar block.
NOTE
• Need to adjust “4-13 Needle threader” after this adjustment.
Set screw
socket
(FT) M4 x 4
Needle bar
block
Needle block
Needle bar
1.0 - 1.4mm
The right edge of the needle alignes
with the outer rotary hook point.
Hex wrench
(2mm)