Brother DA-9270 Instruction Manual page 27

Twin needle (three needle) feed off the arm double chain stitcher

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Problem

6. Broken needles

Is the material being pushed or pulled with excessive force during

sewing?

Is the needle properly installed?

If it is incorrect, install the needle correctly.

Is the needle bent, is the needle tip broken, or is the needle hole

blocked?

If the loopers are damaged, smooth it with an oiled grindstone or

replace it.

Does the needles hit the loopers?

Adjust timing of loopers running clear of needles.

Does the needles hit the needle guard? (For fixed needle guard)

Adjust the needle guard.

Are the needle eyes too small for threads?

Refer to the section on "Needles and threads".

Caution

It is extremely dangerous to leave any pieces of broken needle

sticking in the material. If the needle breaks, search for all pieces

until the whole of the needle is found again.

Furthermore, we recommend that through steps be taken to ac-

count for such needles to comply with product liability regula-

tions.

DA-9270

Possible cause

10. TROUBLESHOOTING

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