JUKI MF-7200D/UT42 Instruction Manual page 41

!. SPECIFICATIONS ..........................................................................................................1
@. AT THE BEGINNING ......................................................................................................1
#. INSTALLING THE ACCESSORIES ...............................................................................2
1. Installing the presser lifting cylinder (UT45) ......................................................................... 2
2. Installing the air regulator (UT45) .......................................................................................... 2
3. Installing the presser lifting solenoid (UT42) ........................................................................ 3
4. Installation and setting SC-921 ............................................................................................... 4
$. AIR PIPING DRAWING (UT45) ......................................................................................9
1. Piping of the thread trimmer device ....................................................................................... 9
2. Adjusting the air regulator .................................................................................................... 10
%. THREADING THE MACHINE HEAD ...........................................................................11
1. Standard threading for the machine with automatic thread trimmer ................................ 11
^. ADJUSTING THE LOOPER THREAD TRIMMER MECHANISM ................................12
1. Adjusting the thread trimmer air cylinder (UT45) ............................................................... 12
2. Adjusting the looper thread trimmer solenoid (UT42) ....................................................... 12
3. Adjusting the Lower knife ..................................................................................................... 14
4. Engaging the knives and adjusting the clamp spring ........................................................ 14
5. Adjusting the position of clamp pressure adjusting spring .............................................. 14
6. Adjusting the pressure of clamp spring .............................................................................. 14
7. Initial position of the lower thread trimmer mechanism .................................................... 15
8. Adjusting the stopper ............................................................................................................ 15
9. Adjusting the height of the lower knife ................................................................................ 15
10. Adjusting the longitudinal position of the blade point of lower knife .............................. 16
11. Adjusting the thread trimmer sensor ................................................................................... 16
12. Adjusting the speed of lower thread trimmer (UT45) ......................................................... 16
&. ADJUSTING THE THREAD RELEASE MECHANISM ................................................17
1. Adjusting the disk-rise .......................................................................................................... 17
2. Adjusting the thread release hook ....................................................................................... 17
*. ADJUSTING THE TOP COVERING THREAD TRIMMER MECHANISM (UT45) .......18
1. Adjusting the engagement of knives ................................................................................... 18
2. Adjusting the pressure of clamp spring .............................................................................. 18
3. Adjusting the position of the blade point of moving knife ................................................ 18
4. Adjusting the speed of moving knife ................................................................................... 19
(. ADJUSTING THE TOP COVERING THREAD TRIMMER MECHANISM (UT42) ......20
1. Adjusting the engagement of knife ...................................................................................... 20
2. Adjusting the moving knife stroke ....................................................................................... 20
3. Adjusting the pressure of clamp spring .............................................................................. 20
4. Adjusting the position of the blade point of moving knife ................................................ 20
). ADJUSTING THE AIR-BLOW WIPER (UT45) .............................................................21
1. Installing the air-blow wiper .................................................................................................. 21
2. Adjusting the air-blow wiper ................................................................................................. 21
CONTENTS
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