Advertisement
3-9 The installation & adjustment of presser
foot and top cover thread.
Warning !
3-9-1.Please take adjusting screw a and lock nut b out. Loosen the screw
c on the connecting bracket. Please don't loosen the screw d on the
carrier hook sleeve whether assembled or disassembled. If the screw
d is loosen which will cause a unnecessary clearance at the presser
foot lifted.(Fig 1)
*Remark : If the screw d is loosen in incautious, please refer to the
procedure of 3-9-5 to tighten it.
3-9-2.Please install the presser foot f with presser foot guider g in close.
Then, to install to the presser bar and tighten it by screw e. (Fig 1) The
fake needle h aims to the center of needle hole i and install presser
foot guide j in close. Please tighten the 2 screws k in equally and make
sure there isn't any unnecessary clearance. Then, the presser foot is
lifted in smoothly by hand (Fig 2)! To turn the hand-wheel and install
the adjusting screw a and lock b. To tighten the screw c on the
connecting bracket (Fig 1).
*Remark : When tighten the screw c on the connecting bracket, please
don't press the connecting bracket cushion too hard which
could be gone around by finger push.
3-9-3.When the shortest needle q move to the groove A of short top cover
thread carrier tip. The clearance between the shortest needle q and
the top of groove A is 0.5mm ~ 1mm (Fig 3).
3-9-4.To turn the hand-wheel and move the hook edge C of long top cover
thread carrier p to the fake needle B. The clearance between the hook
edge C of long top cover thread carrier p and fake needle B is 0.5mm.
Please take care that the short & long top cover thread carrier can't
be hit each other when they be crossed (Fig 4).
3-9-5.The operated procedure how to tighten the screw d (Fig 1) :
To turn the parts s to the left which to let the screw E face to the left.
To press the carrier hook sleeve lever and parts r. Then, tighten the
screw d (Fig 5).
F
Please switch off electric power
before installation & maintenance.
E
d
r
0.5mm~1mm
s
Take care hit point
Left
Fig 5
-14-
Push
g
e
f
h
i
k
j
460 needle hole
452 needle hole
q
A
Fig 3
0.5mm
p
Left
C
n
Fig 4
a
b
c
d
Fig 1
Fig 2
n
B
p
Right
Advertisement
