Adjustment Of Knot-Tying Mechanism (Exclusive For Mb-377); The Mechanism And The Name Of Each Component Of The Knot-Tying; Positioning The Knot-Tying Arm Stopper - JUKI MB-373 Manual

4. ADJUSTMENT OF KNOT-TYING MECHANISM (EXCLUSIVE FOR MB-377)

(1) The mechanism and the name of each component of the knot-tying

As shown in the figure below, when the machine is running, the stitch adjusting cam rotates and the
thread bind arm roller rides over the thread bind notch attached to the stitch adjusting cam making the
thread bind plate actuate by means of the respective links to hook thread. The slack portion of the
hooked thread will be tightened by the thread wring lever at the time of stop motion.
Thread bind arm stopper
Thread bind link
Thread bind arm
Thread bind
notch
Stitch adjusting cam

(2) Positioning the knot-tying arm stopper

Standard Adjustment
Tip of thread bind plate
Thread bind lever
Connecting plate (large)
Thread bind
arm roller
1
Thread to be
hooked
Looer
Connecting plate (small)
20
− −
Thread wring lever
Thread bind plate