Hand Lifter; Adjusting The Presser Foot Pressure (Upper Feed Roller) And The Height Of The Presser Foot (Upper Feed Roller) - JUKI DLN-6390 Manual De Instrucciones

6. Hand lifter
1
A
7. Adjusting the presser foot pressure (upper feed roller) and
the height of the presser foot (upper feed roller)
WARNING :
To protect against possible personal injury due to abrupt start of the machine� be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
Adjusting the presser foot pressure
B
A
2
Adjusting the height of the upper feed roller
2
Adjustment of the heght of upper feed roller 1 can be performed by adjustng the poston of screw 2 (n case of
6390-7) or presser lfter stopper screw 3 (n case of 6390). (Adjustng value at the tme of delvery : 3 mm)
＊ Adjust the lftng amount of upper feed roller 1 wthn the range of 4 mm or less.
) Turn presser lftng lever 1 n the drecton of A to stop
2) The presser foot goes up approxmately 4.5 mm and
B
) Loosen nut 2 . As you turn presser sprng regulator 1
1
2) As you turn the presser sprng regulator counter-
3) After adjustment, tghten nut 2 .
4) The standard heght of the presser sprng regulator s
the presser foot at the poston where t s lfted.
stops.
It returns to the home poston by lowerng the presser
lftng lever n the drecton of B .
clockwse (n drecton A ), the presser foot pressure
wll be ncreased.
clockwse (n drecton B ), the pressure wll be
decreased.
29 to 32 mm. (Top end of nut 2 algns wth scale "2"
of presser sprng regulator 1 .)
3
1
3