Singer 321D Sewing Machine User Manual


 
Parts Relation
and Timing
Figure 21
Figure 24
Figure 25
Figure 26
Figure 27
Figure 22 Figure 23
16
Ultra High Speed Overedge and Safety Stitch Machine | Instruction Manual and Parts List
3.12
(a)
(f)
(g)
(h)
(a)
(b)
(e)
(c)
(d)
3,4 Thread
Top surface of the
needle plate
Top surface of the
needle plate
Top surface of the
needle plate
5 Thread
Upper looper
left limit
position ( c )
(Figure 23)
Height of
upper looper
( c )
(Figure 23)
Upper looper
holder left
limit position
(e)
(Figure 23)
Upper looper
holder install
direction
Height of feed
dog (g)
(Figure 25)
Height of
auxiliary feed
dog (h)
(Figure 27)
Feed
eccentric
-131M-04 10.5 3.8 4.4~4.7 10.8 14.5 Left - 0.8 0.5 0.35~2.0
-131M-04 / KS 10.5 3.8 4.4~4.7 10.8 14.5 Left - 0.8 0.5 0.35~2.0
-132M-015 10.5 3.8 4.4~4.7 10.8 14.5 Left 0.6~0.7 0.3 0.35~1.7
-134M-04 10.5 3.8 5.4~5.7 10.5 13.5 Right - 0.8 0.5 0.35~1.7
-241M-24 10.5 3.8 5.4~5.7 10.5 13.5 Right - 0.8 0.5 0.35~2.0
-241M-24 / KS 10.5 3.8 5.4~5.7 10.5 13.5 Right - 0.8 0.5 0.35~2.0
-244M-24 10.5 3.8 5.4~5.7 10.5 13.5 Right - 0.8 0.5 0.35~2.0
-251M-35 10.5 3.8 4.4~4.7 10.8 14.5 Left 1.5 0.8 0.5 0.35~2.0
-251M-35 / KH 10.5 3.8 4.4~4.7 10.8 14.5 Left 1.5 0.8 0.5 0.35~2.0
-251M-55 10.5 3.8 4.4~4.7 10.8 14.5 Left 1.5 0.8 0.5 0.35~2.0
-251H-56 11.9 4.2 5.0~5.3 12 14.5 Left 1.7 0.8 0.5 0.35~2.0
-251H-55 / KH 10.5 3.8 4.4~4.7 10.8 14.5 Left 1.5 0.8 0.5 0.35~2.0
-251H-56 / KH 11.9 4.2 5.0~5.3 12 14.5 Left 1.7 0.8 0.5 0.35~2.0
Model
321D & 321K
Height of
needle
(Figure 21)
Lower looper
left limit
position
(Figure 22)
Chain looper
left limit
position (f)
(Figure 24)
Upper looper
Feed dog