LK3-B430E Mark II
43
6. ADJUSTMENT
q w
t
e
r
6-6. Adjusting the work clamp lift amount
The maximum work clamp lift amount is 17 mm from the top of the needle plate.
The lift amount for each model is adjusted as shown in the table at the time of shipment.
1. To adjust the work clamp lift amount, loosen the bolt
q
and move the presser arm lever plate
w
up or
down.
2. Apply grease to the bottom of the presser plate
e
to the top of the presser arm lever plate
w
and to the
sliding part of the work clamp (grease is already applied at the time of shipment), and check that the
movement becomes easier.
3. Check that there is a gap between the presser arm lever plate
w
and the presser plate
e
when the presser
foot is lowered.
* If movement is sluggish when the work clamp is being raised and lowered, it may not be possible to
increase the work clamp life amount.
* If the work clamp cannot be raised or lowered, error code "E-61" or "E-63" will be displayed.
6-7. Adjusting the thread wiper
Approx.
20 mm
2
±
0.5 mm
(Approx.
30 mm)
Use
Ordinary materials (-1, -5)
Denim (-2)
Knitted materials (-7)
Life amount
10
+1
0
mm
14
+1
0
mm
9
+1
0
mm
17mm
w
e
q
y
i
u
o
!2
!1
u
1. Loosen the screw
q
, and remove the top cover
w
.
2. Remove the bolt
e
, the washer
r
, and the presser arm
t
.
3. When the sewing machine in the stop position, press link C
y
to pass the thread wiper
u
under the
needle. Loosen the set screw
i
, and move the thread wiper arm
o
up and down to adjuste the clearance
between the top of the thread wiper and the needle point is 2
±
0.5 mm.
4. Remove the rubber cap
!1
, and loosen the set screw
!2
to adjust the position of the thread wiper so that it
is positioned to the right approximately 20 mm from the center of the needle bar.
u
Needle
point
