41
8.7) Clearance adjustment of hook and
opener
Bring the opener
①
to the hook
②
as close as possible
and loosen the fixing screw
③
of the opener. Adjust the
open space between hook stopper
④
and the groove
⑤
of
the needle plate to 1.2~1.3mm then tighten the opener
screw
③
firmly.
8.9) Adjustment of Presser Foot Height
1) The lifting of the presser foot is 12mm(manually) and
20mm(automatically). This is the standard. How to
adjust is below.
2) Adhere the pin
⑥
inserted into the press bar lifting
shaft
⑤
to the presser bar lifting bracket
⑦
. After
facing presser foot lifting lever
①
and the presser
foot lifting block
②
closely, tighten the screw
③
firmly.
8.8) Lubrication adjustment of hook
8.8.1) Checking the oil supply level of hook
After racing the sewing machine for three minutes,
secure the oil flow checking paper on the right side
of the hook and run the machine at a maximum
speed for ten seconds. (You may use any type of
paper) As shown in the figure, check the oil tape
marked on the paper.
8.8.2) Adjustment of the oil supply level
Make the adjustment when the quantity of oil supply
is not adequate.
a) Take off the sliding plate (left).
b) Turn the machine manually until you see the
adjusting screw
①
for the oil supply level of the
hook.
c) The amount of the oil supply will decrease when
the adjusting screw
①
is turned in a clockwise
direction, and increase when turned in a
counterclockwise direction. Check the level of
the oil supply after adjustment.
①
[Fig. 8-11]
[Fig. 8-12]
Please be noted that the presser bar lifting spring could be separated when the presser foot pressure
adjusting dial
⑧
is fully released.
Caution
[Fig. 8-13]
⑤
1.2~1.3 3.5 0.2~0.3
①
③
②
④
⑧
③
3
①
②
2
1
⑦
⑥
⑤
Summary of Contents for KM-1170BLX
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