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Installing The Bobbin - Brother T-8420B Instruction Manual

Twin needle lock stitcher, twin needle split needle bar lock stitcher, twin needle lock stitcher with large hook, twin needle split needle bar lock stitcher with large hook
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5. PREPARATION BEFORE SEWING

5-4. Installing the bobbin

Turn off the power switch before installing the bobbin. The motor will keep turning even after the power is switched off
as a result of the motor's inertia. Wait until the motor stops fully before starting work.
The machine may operate if the treadle is depressed by mistake, which could result in injury.
17
CAUTION
<Latch type>
2898M
1. Insert the bobbin (1) into the rotary hook (2) so that the
winding direction is as shown in the illustration.
2. Return the rotary hook latch (3) to its original position.
3. Turn the machine pulley to rotate the rotary hook (2) until
the tension spring (4) is visible.
4. Pass the thread through slit (5) in the rotary hook and then
pass it under the thread tension spring.
5. Pull out the thread to a length of approximately 50 mm.
6. Close the slide plates.
Use bobbins (1) made of light alloy as specified by
BROTHER.
2983M
2900M
T-8420B, 8450B, 8720B, 8750B
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This manual is also suitable for:

T-8450bT-8720bT-8750b

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