Table Of Contents - JUKI MF-7500 series Instruction Manual

!. SPEcIFIcatIoNS ..........................................................................................................1
@. at tHE BEGINNING ......................................................................................................1
#. INStaLLING tHE accESSorIES ...............................................................................2
1. Installation and setting Sc-921 ...................................................................................................... 2
(1) Installing the Sc-921 on the table ( Semi-submerged type ) ....................................................................2
(2) connecting the cords ...................................................................................................................................3
(3) Setting procedure of the machine head .....................................................................................................4
(4) Setting the lower stop position of the needle bar .....................................................................................5
(5) Setting of the auto lifter function ................................................................................................................6
(6) Setting of the pedal stroke...........................................................................................................................6
$. tHrEaDING tHE MacHINE HEaD .............................................................................7
%. aDjuStING tHE LooPEr tHrEaD trIMMEr MEcHaNISM ..................................8
1. adjusting the looper thread trimmer solenoid ............................................................................. 8
2. adjusting the Lower knife .............................................................................................................. 9
3. adjusting the position of clamp pressure adjusting spring ....................................................... 9
4. adjusting the knife engagement and the knife pressure adjusting spring ............................... 9
5. adjusting the pressure of clamp spring ....................................................................................... 9
6. Initial position of the looper thread trimmer mechanism .......................................................... 10
7. adjusting the stopper ................................................................................................................... 10
8. adjusting the height of the lower knife ....................................................................................... 10
9. adjusting the longitudinal position of the blade point of lower knife .......................................11
10. adjusting the thread trimmer sensor ...........................................................................................11
^. aDjuStING tHE tHrEaD rELEaSE MEcHaNISM ................................................12
1. adjusting the disk-rise ................................................................................................................. 12
2. adjusting the thread release hook .............................................................................................. 12
&. aDjuStING tHE toP covErING tHrEaD trIMMEr MEcHaNISM ....................13
1. adjusting the engagement of knives .......................................................................................... 13
2. adjusting the pressure of clamp spring ..................................................................................... 13
3. adjusting the position of the blade point of moving knife ........................................................ 13
*. MaINtENaNcE ...........................................................................................................14
1. cleaning the motor fan ................................................................................................................. 14
coNtENtS