Table Of Contents - JUKI MF-3620 Instruction Manual

!. SPECIFICATIONS ................................1
@. CONFIGURATION OF THE MACHINE
COMPONENTS ....................................6
#. INSTALLATION ....................................9
1. Installing the sewing machine ...............9
1-1. Machine head fi xing base ...................10
1-2. Installing the machine head ................16
1-3. How to install the belt cover for the
direct-drive motor ................................19
1-4. Setting the machine head ...................22
2. Pulley correspondence table ...............24
3. Installing the belt cover for the clutch
motor ......................................................28
4. Installing the presser lifting lever .......30
5. Checking the direction of rotation ......32
6. Installing the thread guide ...................32
7. Installing the thread stand ...................34
8. Installing the chain-off thread cutting
knife .......................................................35
$. LUBRICATION AND OILING .............37
1. Lubrication ............................................37
2. Adding oil to the silicon container ......40
%. OPERATION .......................................41
1. Attaching the needle ............................41
2. Threading the machine head ...............43
3. Adjusting the presser foot pressure ...45
4. Adjusting the micro-lifter .....................46
5. Adjusting the differential feed ratio ....47
CONTENTS
6. Adjusting the stitch length ..................48
7. Adjusting the thread tension ...............50
8. Adjusting the knife pressure ...............51
^. ADJUSTING THE SEWING MACHINE ..53
1. Adjusting the height of the needle ......53
2. Replacing the presser foot ..................56
3. Adjusting the covering thread carrier
and covering thread hook ....................66
4. Replacing/adjusting the knife ..............68
5. Adjusting the height of the feed dog ..72
6. Adjusting the looper .............................74
7. Adjusting the needle guard (front) ......76
8. Adjusting the needle guard (rear) .......78
9. Adjusting the needle thread guard .....79
10. Adjusting the needle thread path ........83
11. Adjusting the looper thread cam .........85
12. Adjusting the looper thread cam thread
guide ......................................................88
13. Adjusting the top covering thread path ..90
14. Adjusting the top covering thread cam ..92
15. Adjusting the lap former (MF-3620L2**) ..94
&. MAINTENANCE .................................95
1. Cleaning the sewing machine .............95
2. Replacing the lubricating oil ................97
3. Points to be applied with grease .........99
4. How to install the control box
(Only for MF-3620*B) ..........................100
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