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Brother BAS-341H Instruction Manual page 51

Direct drive programmable electronic pattern sewer
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3482B
4042M
8.
Turn the pulley (1) by hand to move the needle bar to its lowest position.
9.
Loosen the nut (11), tighten the set screw (12) until the collar (3) is touching the inside of the groove in the thread
trimmer cam (4), and then turn it back in the counterclockwise direction by approximately 1/4 of a turn.
10.
Tighten the nut (11), and then check that the collar (3) is not touching the inside of the groove in the thread trimmer cam
(4). In addition, push the driving lever (5) by hand toward the thread trimmer cam until the collar (3) touches the groove of
the thread trimmer cam (4), and then check that the driving lever (5) returns smoothly to its original position when it is
released.
11.
Check that there is a gap of about 0 - 1 mm between the outside of the hole in the movable knife (9) and the ridge line on
the shuttle race thread guide (13).
BAS-341H, BAS-342H
7. STANDARD ADJUSTMENTS
4043M
42

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Bas-342h