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DFB-1012P, DFB-1012P-SM
1.
Feed teeth height
Set feed teeth height to 1 — 1.2mm from the needle
plate upper surface.
2. Needle bar's height adjustment
Needle bar height (length of needle bar from needle
plate) of this unit Is 12.3mm
Adjust as follows.
1)
Turn the pully to lift the needle her to the highest
position, and loosen the screw (B) In Fig.2 fixing
needle bar.
2)
Adjust needle clamp so that needles enter needle
holes when the needle bar Is lowered. After adjust
ment, tighten screw (8) In Flg.2 fixing the needle
bar.
1.0 — 1.2mm
Presser foot screw
Note: Compression of presser foot spring
Decrease spring compression with the adjusting
screw for thin cloth.
Increase spring compression with the adjusting
screw for thick cloth.
3.
Looper
This sewing machine uses Organ needles.
DVK-20#21: 1.8mm
DVK-20 #18: 2.0mm
Install looper holder and hand tighten screws for lo-
opers. Lower the needle clamp to the lowest point and
adjust the clearance between the loopers and needles
after the end of backward movement to 1.8 mm.
At this time, check for the parallelism between needle
looper holder and needle clamp.
Adjust as follows.
1)
Remove the upper cloth plate and oil reservoir
top cover.
2)
Fasten retainer lever (A) In Flg.4 on looper retainer
lever.
Adjust the clearance between looper and
needle using a 1.8 mm bar gauge. Then, fasten
screw (A).
Presser
foot spring
Fig. 4
1.8mm
Fig. 1
0 n 0 0 0 0
0
0
0B0
ru u u u u u unj
1
12.3mm
z
Needle plate
Fig.2
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\
Screw for
holding needle bar
Fig. 3
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