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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for RX UTC

Page 1: ... v V Industrial Sewing Machines BH RX UTC MANUAL O MORIMOTO MFG CO LTD From the library of Superior Sewing Machine Supply LLC ...

Page 2: ... Front Rear Position Adjustments of The Movable Knife F Movable Knife Looper Clearance Front Back 5 Fine Tuning The Adjustments A Movable KnIfe Looper Clearance Top Bottom B Stationary Knife Base and Knife Stopper Clearance C Relationship of The Movable Knife To The Threads 6 UTC Spring Tension on The Looper Thread 7 Thread Tension Release Adjustments A Tension Release Block Cylinder Bracket Clear...

Page 3: ...ons for setting needle position Fig 1 To attach the synchronizer to the machine secure screws B on pulley synchronizer hub F To adjust the depth of the synchronizer bar C loosen nut D and turn synchronizer bar C Fig 2 To set needle up position align mark P on machine handwheel E with rivet 0 on machine casting This is the proper timing position With two position motor use needle down then needle u...

Page 4: ...hould be 15 15 5mm as shown in C Fig 4 Adjustment of the air cylinder return spring Clearance from the collar B and the cylinder bracket is shown as dimension C It should be 7mm when the piston is fully extended To adjust loosen the screw in collar B set the correct clearance and tighten the screw ict 15 15 5cm From the library of Superior Sewing Machine Supply LLC ...

Page 5: ... Thread Catcher Blade Knife Drive Arm Needle Thread Catcher Blade Stationary Knife Guide Screw Movable Knife Base Stationary Knife Base Movable Knife Movable Knife Guide Stationary Knife Stopper Movable Knife Height Adjustment From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...n properly Fig 7 Position of the fixed knife Description of Parts A Movable Knife a Needle Thread Catcher Blade a Looper Thread Catcher Blade D Stationary Knife d Stationary Knife Cutting Edge E Screws for Adjusting Stationary Knife When fully retracted the looper thread catcher blade a should be 0 5 0 8mm behind the stationary knife cutting edge d To adjust loosen screws E and set the proper clea...

Page 7: ...m the edge of the stationary knife to the leading edge of the high tension spring should be 1 2 to 1 5mm The leading edge of the low tension spring should extend 0 5mm beyond the edge of the stationary knife Note Make sure that the needle threads are cleanly released and not held by this spring Fig 9 With knife fully extended the tip of the movable knife should be even with the front edge of the l...

Page 8: ...move the knife to the rear or direction B to move the knife forward Fig 11 With the knife fully retracted the clearance between the rear edge of the looper and the front edge of either the movable or stationary knife is 4 5 5 0mm Fig 10 o C V A B D Fig 11 in From the library of Superior Sewing Machine Supply LLC ...

Page 9: ...e stroke of the knife cylinder piston as shown in Fig 3 To increase the clearance between the knife and the looper increase the clearance between cushion D and collar A When any adjustments are made to the stroke of the knife air cylinder it is required that the position of the knife be readjusted The recommended clearance between the top of the looper and the movable knife is 0 5 1 0mm as shown i...

Page 10: ...ize the motion of the knife Fig 14 15 Correct position of movable knife Fig 14 demonstrates the incorrect stroke of the movable knife resulting in the knife not catching the needle thread B and looper thread D Fig 15 demonstrates the cor rect stroke of the movable knife As this diagram shows the knife passes through the center of the needle threads and in front of the looper thread thereby enablin...

Page 11: ...ments Refer to Fig 17 Fig 17 Clearance between the tension release block B and the cylinder bracket is 3 0 mm To obtain this clearance loosen screw C and adjust Fig 18 There should be a slight clearance bet ween the tension openers B and the tensions For maximum pulloff the thread pulloff hooks A should lightly touch the threads when the machine is sewing Front of Machine From the library of Super...

Page 12: ...r 0 Tension Post Holder D Thread Pulloff Post E Post Guide F Thread Pulloff Lever G Screw controls adjustment for all of D H Collar 1 Screw sets position of J J Thread pulloff hook 0 w Fig 19 10 From the library of Superior Sewing Machine Supply LLC ...

Page 13: ...a clearance of 1 8mm between the sensor and the tension release arm Flow control valve F controls knife extension speed Flow control valve G controls knife retraction speed Note Make sure that both flow control valves are not set too fast so as to prevent damage to the knife unit ressure Regulator Refer to Fig 21 Fig 21 Set the pressure between 4 5 kilograms per centimeter squared Note Operate at ...

Page 14: ... 201 460 1633 MORIMOTO MFG H K LTD 203 207 G R Lai Chi Kok Road Sham Shui Po Kowloon Hong Kong Tel 3 918357 9 Telex 31167 MORHK NX Fax 3 7891707 MORIMOTO MFG H K LTD SINGAPORE REP OFFICE 1 Marine Parade Central 10 01 Parkway Builders Centre Singapore 1544 Tel 3457576 Telex RS25138 A B MMSPL Fax 3449603 KANSAI SPECIAL EUROPE G M B H Wahler Strasse 37 4000 Dusseldort 30 GERMANY Tel 0211 658020 Telex...

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