JUKI LU-2810 Series Engineer's Manual page 51

海外講習会用121122 LU-2810(-7)_EM
1. Turn the alternate vertical dial 1 to adjust the scale between
"7.5" to "8".
2. Loosen setscrews of the top cover to remove the top cover.
3. Loosen installing screws 2 of the detection switch of the
amount of alternate vertical movement, and adjust so that the
distance between the detection switch of the amount of alter-
nate vertical movement 3 to the alternate vertical dial 1 is 0.4
± 0.1 mm.
4. Then tighten installing screws 2 of the detection switch of the
amount of alternate vertical movement.
(Caution) When the position of the detection switch of the
amount of alternate vertical movement 3 is changed,
check whether the relation between the alternate ver-
tical dial 1 and the sewing speed is normal.
Adjustment procedures Results of Improper adjustment
Sewing speed may not change
o
even when turning the alternate
vertical dial 1 .
– 39 –