Table Of Contents - JUKI NA-11UT Series Service Manual

1. JAM ･ CLEARANCE .................................................................................... 8
1-1. Needle Bar Jam ...................................................................................................... 8
1-2. Thread Take-up Lever Clearance ........................................................................ 10
2. FEED TIME .............................................................................................. 12
2-1. Adjusting the Height of the Feed Dog ................................................................ 12
2-2. The Up/Down Motion Adjusting Shaft Setting ................................................... 14
2-3. The Presser Foot Setting ..................................................................................... 16
2-4. The Feed Cam and Presser Foot Up/Down Motion Cam Setting ..................... 19
2-5. Adjusting the Motion Range of the Feed Dog .................................................... 20
2-6. Adjusting the Balance of the Feed Dog .............................................................. 22
3. THREAD TRIMMING TIME ...................................................................... 23
3-1. The Thread Bar Highest/Lowest Stop Position Setting .................................... 23
3-2. Replacement of the Mes and the Setting ........................................................... 25
3-3. The Thread Retainer Setting ................................................................................ 29
3-4. The Thread Trimming Cam Setting ..................................................................... 30
4. BAD SEWING .......................................................................................... 31
4-1. Hook Time ............................................................................................................. 31
4-2. Placing the Upper Thread .................................................................................... 34
4-3. Adjusting the Tension of the Upper Thread ....................................................... 35
4-4. Adjusting the Tension of the Presser Foot ........................................................ 36
4-5. Adjusting the Tension of the Lower Thread ....................................................... 37
5. NOISE ...................................................................................................... 38
5-1. Upper Shaft Collar Clearance .............................................................................. 38
5-2. Standing Shaft Clearance .................................................................................... 40
5-3. Lower Shaft Clearance ........................................................................................ 42
CONTENTS