8. STANDARD ADJUSTMENTS
8-9. Adjusting the clearance between feed forked connection
and feed fork collar
( -U---=:llncorrect clearance between the fork 0of feed forked
I ~ connection and feed fork collar. will bring irregular
stitch length or overheating, etc.
~ <> ~ I 1. Remove the cover plate 6) and the oil reservoir
e.
2. To increase the clearance, loosen the nut 0and
turn the nut 0to left or counter-clockwise.
* This adjustment should be done with turning the
machine pulley toward you to get correct clear-
ance.
3. Upon completion of adjustment tighten the screw
oand screw 0.
8-10. Adjusting the height of the presser feet
The standard height for the lifting presser foot. is
8.5 mm when the presser foot has been raised by the
presser bar lifter
O.
1. Loosen the screw., raise the presser bar lifter
0, and then loosen the set screw 8.
2. Move the lifting presser foot. up or down to ad-
just its height.
3. Tighten the screw
8.
4. Tighten the screw. to adjust the presser foot
pressure. (Refer to page 13.)
NOTE: If the height of the lifting presser foot.
is changed, the movement amount of the
lifting presser foot. and vibrating
presser foot. will change. Adjust the
amount of movement of the vibrating
presser ~oot • so t"at it matc"es t"e
movement of the lifting presser foot •.
(Referto page 21.)
8.5mm
o 0
o
)
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