Maintenance Of Sawing Machine; Maintenance; Adjusting The Height Of The Needle Bar; Needle And Hook Adjustment - JUKI AP-876/IP-420 Instruction Manual

#. MaINtENaNcE oF SaWING MacHINE

1. MaINtENaNcE

1-1. adjusting the height of the needle bar

WarNING :
turn oFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
Move needle bar 1 to the lowest poston of ts stroke. Algn the lower end the needle bar wth the top surface of
hook tmng gauge 4 on "" sde. Then, remove cap 2 and loosen needle bar connectng stud screw 3 . Now,
conduct adjustment works.

1-2. Needle and hook adjustment

WarNING :
turn oFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine.
1
) Remove the throat plate (front sde) from the bed surface.
2) Remove the screws n the order 1 2 3 , then remove trmmer mountng base C from the bed surface.
3
2
1
3
2
－
0.5 mm
09
－
Machined surface
of the arm
4
C