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- 1 Table of Contents
- 2 To Adjust Amount of Front-To-Back Movement (Stitch Length) on the Top Feed Dog in Relation to the Main Feed Dog
- 3 To Adjust the Clearance between the Top Feed Dog and the Main Feed Dog
- 4 To Adjust the Top Feed Dog Pressure
- 5 Adjust the Top Feed Dog Stroke
- 6 Adjusting the Standard Position of the Top Feed Dog
- 7 Adjusting the Top Feed Dog Timing
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Summary of Contents for KANSAI SPECIAL UF Series
- Page 1 INSTRUCTION Industrial Sewing Machines WX8803/UF RX9803/UF MZ1103/UF First published : May 1999 No. 990038...
- Page 2 INTRODUCTION Thank you for your purchasing Kansai Special's UF Series. Read and study this instruction manual carefully before beginning any of the procedures and save it for later use. This instruction manual describes adjustments and maintenance procedures for the Top-feed mechanism.
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Page 3: Table Of Contents
CONTENTS 1. Adjusting the amount of front-to-back movement on the top feed dog 1-1 To adjust amount of front-to-back movement (stitch length) on the top feed dog in relation to the main feed dog ················· 1 1-2 To adjust the clearance between the top feed dog and the main feed dog ·························································... -
Page 4: To Adjust Amount Of Front-To-Back Movement (Stitch Length) On The Top Feed Dog In Relation To The Main Feed Dog
【1】ADJUSTING THE AMOUNT OF FRONT-TO-BACK MOVEMENT ON THE TOP FEED DOG 1-1 To adjust amount of front-to-back movement (stitch length) on the top feed dog in relation to the main feed dog The main and top feed dogs separately move on this machine. Therefore, if the movement amount of the main feed dog is changed, that of the top feed dog should be changed. -
Page 5: To Adjust The Clearance Between The Top Feed Dog And The Main Feed Dog
1-2 To adjust the clearance between the top feed dog and the main feed dog To feed the fabric accurately according to sewing applications, types and/or thickness of the fabric, the top feed dog height adjustment should be made. With top feed dog ① at the bottom of its stroke and main feed dog ②... -
Page 6: Adjusting The Top Feed Dog Front To Back
【2】ADJUSTING THE TOP FEED DOG FRONT TO BACK When top feed dog ① is at the extreme rear end of its travel with a maximum front-to-back movement amount of 7mm (=L), there should be a clearance of 1mm between top feed dog ① and the end of each slot on the presser foot. -
Page 7: Adjusting The Standard Position Of The Top Feed Dog
【4】ADJUSTING THE STANDARD POSITION OF THE TOP FEED DOG On this machine, the standard position of the top feed dog can be changed so that the fabric is accurately fed according to sewing applications, types and/or thickness of the fabric. This feature eliminates plyshifting during sewing. C (CENTER): The top feed dog moves in the divided-in-half mode. - Page 8 ■The machine is factory-set at C. The V-shaped groove on outside eccentric ④ and inscription C on middle eccentric ⑥ are aligned with mark X. ■To change the standard position, follow the procedures below by referring to the illustrations as seen from the machine pulley. A.
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Page 9: Adjusting The Top Feed Dog Timing
C. To change from B (BACK) to C (CENTER) Perform reverse procedures of No.1 (see below). 1). With outside eccentric ④ secured, turn only middle eccentric ⑥ 90 ° counterclockwise. 2). Align the V-shaped groove on outside eccentric ④ with mark X by turning outside eccentric ④...