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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. 

 

1.

 

C (CENTER): The top feed dog moves in the 
divided-in-half mode. 
This machine is factory-set in this mode. 

 
 
 
 

2.

 

B(BACK): The top feed dog moves in the 
rear-fixed mode. 

 

 
 
 
 

3.

 

F(FRONT): The top feed dog moves in the 
front-fixed mode. 

 
 
 
 
 

Follow the precautions below before changing the 
standard position. 

1.

 

Bring the top feed dog to the extreme rear end of 
its travel. 

2.

 

Do not loosen screw 

 on front-to-back 

movement adjusting lever 

 and screw 

 on 

the collar. 

 

 
 
 
 
 
 

 

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Summary of Contents for UF Series

Page 1: ...INSTRUCTION Industrial Sewing Machines WX8803 UF RX9803 UF MZ1103 UF First published May 1999 No 990038...

Page 2: ...k to make sure the pulley cover safety cover etc are secured 3 Before adjusting cleaning threading the machine or replacing the needle be sure to turn off the power 4 Never start the machine with no o...

Page 3: ...he 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 2 1 3 To adjust the top feed dog pressure 2 2 Adjusting the top feed dog f...

Page 4: ...back in the rear fixed mode F FRONT The top feed dog moves front to back in the front fixed mode In the case of C or B Adjust the amount of front to back movement with symbols on scale and mark on ad...

Page 5: ...g and the main feed dog when plain stitching is performed Adjustment is made by loosening set screw on the top feed dog 1 3 To adjust the top feed dog pressure The pressure should be as light as possi...

Page 6: ...of each slot on the presser foot Adjustment is made by tightening set screw on front to back lever 3 ADJUST THE TOP FEED DOG STROKE To obtain a stroke of 4 7mm remove the cover loosen nut move rod pi...

Page 7: ...lyshifting during sewing 1 C CENTER The top feed dog moves in the divided in half mode This machine is factory set in this mode 2 B BACK The top feed dog moves in the rear fixed mode 3 F FRONT The top...

Page 8: ...ng outside eccentric set screw Align inscription B on middle eccentric with mark Y by turning only middle eccentric 90 clockwise Then tighten middle eccentric set screw B To change from C CENTER to F...

Page 9: ...ollow procedure No C Then change C CENTER to F FRONT follow procedure No B F To change from F FRONT to B BACK Change F FRONT to C CENTER first follow procedure No D Then change C CENTER to B BACK foll...

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