Adjusting The Height Of The Feeding Frame; Adjusting The Vertical Stroke Of The Intermediate Presser - JUKI AMS-221EN/IP-420 Instruction Manual

1-3. Adjusting the height of the feeding frame

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
A
2
1
3
4
6
4
7

1-4. Adjusting the vertical stroke of the intermediate presser

WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
A
A
2
1
By removing the rubber plug in the face plate
cover, adjustment can be performed without
removing the face plate cover.
5
(SM6050660TP)
7
B
1) Loosen setscrews 2 located on the rght and left
sdes of feed bracket 1 . Movng cloth presser
lnk 3 to the drecton A wll decrease the heght
of the feedng frame.
2) After the adjustment of the heght of the feedng
frame, securely tghten the screws 2 .
If the feedng frame stll nterferes wth the face
plate bearng and the feedng frame heght does
not change after the adjustment of the poston
of work clamp lnk, adjust the pressure appled
to the face plate bearng to lower t as far as no
lateral play of the feedng frame occur.
At the tme of delvery, work clamp foot has been
moved up and down to adjust the torque (sldng
torque) of face plate bearng 7 to 0.98 to 7.84 N (100
to 800 g) appled when work clamp foot starts mov-
ng after face plate bearng 7 has come n contact
wth the sprng pn.
1. Loosen the setscrew 4 .
2. Lghtly tghten the pressure adjustng screw
5 and gve a pressure to the face plate
bearng 7 . At that tme, move the presser
foot face plate 6 vertcally, makng sure that
uneven applcaton of torque can be avoded.
3. Tghten the setscrew 4 .
1. When the setscrew 4 is tightened,
pressure kept applied to the face
plate bearing 7 is changed.
Therefore, when the setscrew 4 is
tightened, examine the amount of
the slippage torque.
2. The pressure adjusting screw 5 is
not attached to the sewing machine.
* Turn ON the power once, and turn OFF the
power again after making the intermediate
presser in the lowered state.
1) Remove face cover.
2) Turn handwheel to make the needle bar come
down to ts lowest pont.
3) Loosen hnge screw 1 and move t to the d-
recton A to ncrease the stroke.
4) When marker dot A s algned wth the rght
sde of the outer perphery of washer 2 , the
vertcal stroke of the ntermedate presser
becomes 4 mm. And, when marker dot B s
algned wth the rght sde of the outer perphery
of the washer, t becomes 7 mm. (The vertcal
stroke of the ntermedate presser s factory-set
to 4 mm at the tme of delvery.)
– 104 –