Start-Up Operating Maintenance Diagnosis Chart
 
 
 
Start-Up @ Bagclosers.com

Single Thread Models 
Model D (III) & D (III) LX - Fischbein Type. (for Kosha & Revo)
Model D(III) - HD.
Newlong NP-7A Type.

Double Thread (Single Needle) Model 
Model DT - N1 - Newlong NP-3II Type.

 
 
 
Newlong NP-7A Type.

For Start-up of Machine installation of any kind is not necessary. Merely arrange a box, shelf or bracket so that, between bags, operator can conveniently set machines down. Alternatively the machine can be hung or suspended at the desired height from a hook or overhead support. For this, you can use our Coil Spring Suspension Unit.

Do not operate machine from direct current (DC) or 440 volt line unless machine has been specially ordered for it. Use only 220/230-volt AC line.
Machine feeds automatically. Don't pull or hold it back as it feeds across the bag.
Don't try to operate machine with a bent or blunt needle.
Don't disturb main bearing or looper cam at the side of the machine. They are timed and set at factory.

Threading The New Machine.
Thread Tension in the Machine. 

 
 
 
Threading The Machine 

In most cases, your new machine will have the Thread Cone already installed & the thread correctly passing through all the points. 

To install new cone of thread, push thread-clamping bolt through hole in top of cone and securely lock in position with wing nut. Cone of thread must not rotate or wobble on the thread stand. Follow illustration, being sure that thread passed between the two tensions discs. Thread the needle from outside to the inside of the machine. Leave about 2" of thread dangling through the needle, and proceed to sew the bags in normal manner.

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Thread Tension in the machine

Thread tension is the degree of resistance the thread meets in passing between the tension discs. Too loose a tension will cause the thread to tear or will leave loose loops of thread on the bag instead of nice firm stitches. Too tight a tension will also cause the thread to tear or will cause textile bag material to pucker. In either case, the machine may not chain off. To alter the amount of tension, loosen upper tension nut. Turn lower tension nut, about 1/8 turn at a time-up to loosen tension, or down to tighten tension-testing on material until desired stitch appearance is obtained. Be sure to re-lock upper tension nut.

Note: No stitch can be removed by simply pressing switch - it is necessary to put bag near switch, so that machine can start stitching. If tar laminated or waterproof bags are being used, it is necessary to lubricate thread by soaking full cones in KOSHA thread lubricant.

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