UT

UT Thread Trimmer for W1600 Series

W1600

Parts Catalog
 INTRODUCTION
This parts catalog covers the UT device which are
manufactured in November, 2006.

The components are shown on pages 4 - 19. The

illustrations are on left pages and the part numbers on
right pages. The illustrated part and its part number are
assigned the same reference number.

The index of part numbers are listed at the back of this

book for quick reference.

When placing an order for any part, please specify the

part number. Note that the contents of this book are
subject to change for improvement without prior notice.

(Models inserted)
UT/W1600 Series
UT1E,1L

UT2L

UT3J,3M

UT4M
 TABLE OF CONTENTS
page

(1) 4-5 THREAD TRIM MECHANISM(1) 4-5

(2)( ) 6-7 THREAD TRIM MECHANISM(2)(ELECTRIC TYPE) 6-7
(3)( ) 8-9 THREAD TRIM MECHANISM(3)(PNEUMATIC TYPE) 8-9
( ) 10-11 THREAD WIPER MECHANISM
(ELECTRIC TYPE PNEUMATIC TYPE) 10-11
( ) 12-13
TOP COVER THREAD TRIM MECHANISM
( ) 14-15 (PNEUMATIC TYPE) 12-13
( )UT 16-17 TOP COVER THREAD TRIM MECHANISM
(ELECTRIC TYPE) 14-15
18-19
FOOT LIFTER (ELECTRIC TYPE PNEUMATIC TYPE)
UT (1) 20-21 UT ACCESSORIES 16-17
UT (2) 22-23 THREAD RELEASER MECHANISM 18-19
UT ACCESSORIES(1) 20-21
UT ACCESSORIES(2) 22-23
Application table of UT / W1600

Applicable machines
TYPE UNDERBED THREAD TRIMMER TOP COVER THREAD TRIM THREAD WIPER FOOT LIFTER
01 03 08 35

UT1E
ELECTRIC

UT1L
ELECTRIC ELECTRIC

UT2L
ELECTRIC

UT3J
PNEUMATIC

UT3M
PNEUMATIC PNEUMATIC

UT4M
PNEUMATIC
 43
48
45
47
46 42
45
44 41

1
5
3

4
14 9
19 13 6
16 10
18
7
17 34
8
15 33
25
20
21 11
32

40 26
22 23 27
39 24
28 36
29
35
30
31
37
38

53
51
52 55
50
54 12

49
 THREAD TRIM MECHANISM(1)

REF.NO. PART NO. DESCRIPTION QT.

1 5G001509100 KNIFE HOLDER ASSY. 1

2 6G0134A0000 COVER PLATE 1
3 3502090 LEVER 1
4 3502230 WASHER 1
5 0071340 SCREW 1

6 3502100 LOWER KNIFE HOLDER 1

7 3502220 WASHER 1
8 2402540 WASHER 1
9 0071340 SCREW 1
10 1D0005A0000 NUT 1

11 2402540 WASHER 1
12 1B0005A0000 SCREW 1
13 3502240 THREAD GUIDE 1
14 0071350 SCREW 2
15 3502200 LOWER KNIFE 1

16 0071350 SCREW 2
17 3502180 UPPER KNIFE 1
18 0073680 SCREW 2
19 0071370 SCREW 1
20 3502170 LOWER KNIFE GUIDE 1

21 3502150 FLAT SPRING 1

22 350211-910 KNIFE HOLDER GUIDE ASSY. 1
23 3502130 BRACKET 1
24 2402560 RIVET 1
25 0071340 SCREW 1

26 3502230 WASHER 1
27 3502210 FLAT SPRING 1
28 0071350 SCREW 2
29 3502140 SPACER 1
30 3502160 FLAT SPRING 1

31 3502190 BRACKET 1
32 0070710 SCREW 2
33 3502280 SPRING 1
34 0070070 SCREW 1
35 3502270 WASHER 1

36 0072180 SCREW 1
37 6A024900000 BRACKET 1
38 007018A0 SCREW 2
39 6A008900000 BRACKET 1
40 0070070 SCREW 2

41 3502000 SCREW 1
42 2402550 SPRING 1
43 3502010 BRACKET 1
44 0047580 BOLT 1
45 0048050 NUT 3

46 3502020 BRACKET 1
47 3502230 WASHER 1
48 0071340 SCREW 1
49 2535860 THREAD GUIDE 1
50 253588A0 TENSION DISC 1

51 2535880 TENSION DISC 1

52 2402420 SPRING 1
53 0071330 SCREW 1
54 0070070 SCREW 1
55 0070770 SCREW 2
1
UT1E,1L
UT2L

7
9
8

12
13
14
15
4 16
2

5 10
11
 THREAD TRIM MECHANISM(2)
(ELECTRIC TYPE)
REF.NO. PART NO. DESCRIPTION QT.

1 811082-910 SOLENOID ASSY. 1

2 350197ARA1 BRACKET 1
3 0045150 BOLT 2
4 811080-910 SOLENOID 1
5 0045310 BOLT 3

6 3500110 SHAFT 1
7 2401300 SPRING 1
8 2016650 COLLAR 1
9 0050840 SCREW 1
10 3501990 CRANK 1

11 0048080 NUT 1
12 2016650 COLLAR 1
13 0050840 SCREW 2
14 2400620 WASHER 1
15 0048200 NUT 1

16 0070880 NUT 1
1
19
UT3J,3M
20 22
UT4M

21
17

25
23 24

18

10
16

12
11

7
9
11
12

2 13
14
3 15

8 4
5
6

26 27
 THREAD TRIM MECHANISM(3)
(PNEUMATIC TYPE)
REF.NO. PART NO. DESCRIPTION QT.

1 352388-910 AIR CYLINDER ASSY. 1

2 350197-RA0 BRACKET 1
3 0045150 BOLT 2
4 3501860 JOINT 1
5 3501990 CRANK 1

6 0048080 NUT 1
7 3501880 SPACER 3
8 0045610 BOLT 3
9 3500110 SHAFT 1
10 2401300 SPRING 1

11 2016650 COLLAR 2
12 0050840 SCREW 3
13 2400620 WASHER 1
14 0048200 NUT 1
15 0070880 NUT 1

16 5130650 CYLINDER 1
17 5270040 SPEED CONTROLLER 2
18 3501870 BRACKET 1
19 562100-910 SOLENOID VALVE ASSY. 1
20 6002210 TUBE 1

21 6000080 TUBE 2
22 0040140 SCREW 2
23 5280000 SILENCER 2
24 5621030 SOLENOID VALVE 1
25 5610650 SOLENOID VALVE 1

26 6001010 TUBE 1
27 742569-910 RELAY CORD 1
1
Electric type
UT1E

20
19
6
3
4
5
9
6
10

2
19 11
15
14
7
17 8
18
16 12
13

Pneumatic type
UT3J

33
32
33
32

31
30

29
28

21
22
23
26 24
27 25
 THREAD WIPER MECHANISM
(ELECTRIC TYPE PNEUMATIC TYPE)
REF.NO. PART NO. DESCRIPTION QT.

1 352389-910 THREAD WIPER ASSY. 1

2 8110810 SOLENOID 1
3 3500311 BRACKET 1
4 0070190 SCREW 2
5 3065530 GUIDE 1

6 2025220 RING 2
7 350026-920 CRANK 1
8 0045770 BOLT 1
9 3500270 PIN 1
10 2005550 RING 1

11 0070090 SCREW 1
12 350028-910 BRACKET ASSY. 1
13 3500580 THREAD WIPER 1
14 3500340 WASHER 1
15 0070080 SCREW 1

16 3500590 FLAT SPRING 1

17 0071830 SCREW 1
18 2105850 WASHER 1
19 7480050 NYLON CLIP 3
20 007019A0 SCREW 2

21 352392-910 AIR BLOWER ASSY. 1

22 3523830 BRACKET 1
23 0070430 SCREW 2
24 3523940 BRACKET 1
25 007018A0 SCREW 2

26 3503360 LATCH 1
27 0045270 BOLT 1
28 5260040 VALVE 1
29 6000780 TUBE 1
30 6010370 JOINT 1

31 6002200 TUBE 1
32 7480060 NYLON CLIP 2
33 007019A0 SCREW 2
 UT4M

31

12
11 10
9 5
8 7
6
21
14
13

1 22
3
4
28 2 15
27 18 16
19 17

20
23
22
21

24
26
25

26
25

30
29
 TOP COVER THREAD TRIM MECHANISM
(PNEUMATIC TYPE)
REF.NO. PART NO. DESCRIPTION QT.

1 3503190 FRAME 1
2 3503250 STATIONARY KNIFE 1
3 0071350 SCREW 1
4 0045540 SCREW 1
5 3503200 HOLDER 1

6 3503210 THREAD RETAINER 1

7 3503230 SPRING 1
8 3503220 KNIFE CLAMP 1
9 3503240 SPRING 1
10 0070330 SCREW 2

11 513078-910 AIR CYLINDER ASSY. 1

12 5270060 SPEED CONTROLLER 2
13 3503260 MOVABLE KNIFE 1
14 0071190 SCREW 1
15 3523830 BRACKET 1

16 0070430 SCREW 2
17 3523900 BRACKET 1
18 0045270 BOLT 2
19 1670660 WASHER 2
20 3523910 BRACKET 1

21 0045240 BOLT 4
22 1670660 WASHER 4
23 0048210 NUT 2
24 6000780 TUBE 2
25 6010370 JOINT 2

26 6002200 TUBE 2
27 7480010 NYLON CLIP 2
28 007019A0 SCREW 2
29 7480020 BAND 5
30 257565D0 SPREADER 1

31 6S1007091Y0 TOP COVER THREAD TRIM SET 1

 UT2L

15 32
1
16 34 31

33
23
14 30
21 29
20 22
19
25
28
36 24
18

35
9
17
11
10

26

3
27
7
5 2
37 38
4
6

13
8
12 39
 TOP COVER THREAD TRIM MECHANISM
(ELECTRIC TYPE)
REF.NO. PART NO. DESCRIPTION QT.

1 6S1008091Y0 TOP COVER THREAD TRIM SET 1

2 3523830 BRACKET 1
3 0070430 SCREW 1
4 6A005700000 BRACKET 1
5 0045270 SCREW 1

6 0045280 SCREW 1
7 1670660 WASHER 2
8 6A005800000 BRACKET 1
9 0045240 SCREW 2
10 1670660 WASHER 2

11 6A006309100 BRACKET ASSY. 1

12 0045280 SCREW 2
13 1670660 WASHER 2
14 1K303000000 STOPPER 1
15 007018A0 SCREW 2

16 3070030 WASHER 2
17 7J500100000 SOLENOID 1
18 4C000609200 CRANK 1
19 0045270 SCREW 1
20 4L000300000 LINK 1

21 0071490 SCREW 1
22 6A006000000 BRACKET 1
23 0070070 SCREW 1
24 1J100200000 SPRING 1
25 0072090 SCREW 1

26 2B000500000 STATIONARY KNIFE 1

27 0071200 SCREW 2
28 2B000600000 MOVABLE BLADE 1
29 0071650 SCREW 1
30 6A013400000 BRACKET 1

31 1J000700000 FLAT SPRING 1

32 1B002400000 SCREW 2
33 1J000800000 FLAT SPRING 1
34 0070780 SCREW 2
35 6G003400000 COVER 1

36 0070080 SCREW 3
37 74800500000 CLIP 1
38 007019A0 SCREW 1
39 257565D0 SPREADER 1
 (Packed in UT accessory )
Electric type
UT1E,1L UT2L
4 1

9
5

7
6

3
8
2

(Packed in UT accessory )
Pneumatic type
UT3J,3M
UT4M
10

12

11
13
16
15
14

17
 FOOT LIFTER (ELECTRIC TYPE PNEUMATIC TYPE)
UT ACCESSORIES
REF.NO. PART NO. DESCRIPTION QT.

1 811078-910 SOLENOID ASSY. 1

2 7420920 RELAY CORD 1
3 9A30700 CAUTION LABEL 1
4 3067910 PITMAN ROD ASSY. 1
5 3067930 PITMAN ROD 1
6 3067920 JOINT 1
7 002022-40 SCREW 1

8 3067951 PITMAN ROD 1

9 2011660 PIN 2
10 511044-911 AIR CYLINDER ASSY. 1
11 5110041 AIR CYLINDER 1
12 6010680 JOINT 1

13 3523711 BRACKET 1
14 0045150 BOLT 2
15 2020450 SPRING WASHER 2
16 2024330 WASHER 2
17 3523700 KNUCKLE 1
UT1E,1L UT2L
UT3J,3M UT4M

Without top cover thread trim With top cover thread trim

15 19

13 17

16 20

18

14

21
6 22
4 5
7
12

2
10
1
9
11
 THREAD RELEASER MECHANISM

REF.NO. PART NO. DESCRIPTION QT.

1 350203-920 CRANK 1
2 0045310 BOLT 1
3 1K303500000 LEVER 1
4 0070270 SCREW 2
5 4C005109200 CRANK 1

6 0045310 BOLT 1
7 0070660 SCREW 1
8 4M001909100 LEVER SHAFT 1
9 3500430 HOLDER 1
10 2009830 RING 2

11 0045540 SCREW 1
12 3500420 SHAFT 1
13 3500460 HOLDER 4
14 3500470 HOLDER 1
15 3500450 THREAD RELEASER 6

16 0045540 SCREW 11
17 3500460 HOLDER 3
18 3500470 HOLDER 2
19 3500450 THREAD RELEASER 7
20 0045540 SCREW 12

21 2540180 THREAD GUIDE PLATE 1

22 007017A0 SCREW 2
 15

13 6
14 5

12
11
10
17 9
18 7

16 19

38
1 2 8
3 4

UT1E
UT2L
UT4M

29 30
33
35
34
27
22 26 31 32
25
23
21
20
37

36 24 28
 UT ACCESSORIES(1)

REF.NO. PART NO. DESCRIPTION QT.

1 0070140 SCREW 1
2 3502910 FLAT SPRING 1
3 0071810 SCREW 1
4 0048040 NUT 1
5 3523581 SCREW 1

6 107723-050 STOPPER 1
7 7420890 RELAY CORD 1
8 7480020 BAND 3
9 716022-910 DETECTOR 1
10 3033230 BRACKET (HALL IC) 1

11 3502050 BRACKET 1
12 0029050 SCREW 1
13 007019A0 SCREW 2
14 2011850 WASHER 2
15 810012-910 MAGNET ASSEMBLY 1

16 7480030 NYLON CLIP 1

17 007019A0 SCREW 1
18 2011850 WASHER 1
19 7470110 BUSHING 1
20 257565C0 SPREADER 1

21 254516-920 LEVER 1
22 0070200 SCREW 1
23 0070220 SCREW 1
24 2635250 THREAD GUIDE 1
25 007019A0 SCREW 2

26 3034480 WASHER 2
27 2635260 BRACKET 1
28 0070410 SCREW 2
29 1371080 TENSION DISC 2
30 2113880 SPRING 1

31 0071671 SCREW 1
32 2750340 THUMB NUT 1
33 263529-910 THREAD GUIDE ASSY . 1
34 0045540 SCREW 1
35 2635530 THREAD GUIDE 1

36 2535110 THREAD GUIDE 1

37 0045540 SCREW 1
38 742570-910 RELAY CORD 1
1 UT3J,3M W1600-35を除く
Except W1600-35
UT4M

9
3
10
2
7

4 6
5

11 UT3J W1600-35用
UT4M For W1600-35

13

12

16 18
15

14

17
 UT ACCESSORIES(2)

REF.NO. PART NO. DESCRIPTION QT.

1 5220071 FILTER REGULATOR ASSEMBLY 1

2 5220320 FILTER REGULATOR 1
3 3005900 BRACKET 1
4 6010530 JOINT 1
5 6010490 CONNECTOR 1

6 6080020 HOSE CLIP 1

7 0049100 SCREW 2
8 0043040 SCREW 2
9 2100610 WASHER 2
10 0048060 NUT 2

11 522014-910 FILTER REGULATOR ASSEMBLY 1

12 0049100 SCREW 2
13 3005900 BRACKET 1
14 5220320 FILTER REGULATOR 1
15 6010490 CONNECTOR 1

16 6010720 PLUG 1
17 6010890 JOINT 1
18 6080020 HOSE CLIP 1
 INDEX
PART NO. PAGE REF.NO. PART NO. PAGE REF.NO. PART.NO. PAGE REF.NO. PART.NO. PAGE REF.NO. PART.NO PAGE REF.NO.
002022-40 17 7 0072090 15 25 3502000 5 41 7420920 17 2
0029050 21 12 0072180 5 36 3502010 5 43 742569-910 9 27
0040140 9 22 0073680 5 18 3502020 5 46 742570-910 21 48
0043040 21 27 107723-050 21 6 350203-920 19 1 7470110 21 19
0045150 17 14 1371080 21 39 3502050 21 11 7480010 13 27
0045150 7 3 1670660 13 19 3502090 5 3 7480020 13 29
0045150 9 3 1670660 13 22 3502100 5 6 7480020 21 8
0045240 13 21 1670660 15 7 350211-910 5 22 7480030 21 16
0045240 15 9 1670660 15 10 3502130 5 23 7480050 11 19
0045270 11 27 1670660 15 13 3502140 5 29 74800500000 15 37

0045270 13 18 1B0005A0000 5 12 3502150 5 21 7480060 11 32

0045270 15 5 1B002400000 15 32 3502160 5 30 7J500100000 15 17
0045270 15 19 1D0005A0000 5 10 3502170 5 20 810012-910 21 15
0045280 15 6 1J000700000 15 31 3502180 5 17 811078-910 17 1
0045280 15 12 1J000800000 15 33 3502190 5 31 811080-910 7 4
0045310 19 2 1J100200000 15 24 3502200 5 15 8110810 11 2
0045310 19 6 1K303000000 15 14 3502210 5 27 811082-910 7 1
0045310 7 5 1K303500000 19 3 3502220 5 7 9A30700 17 3
0045540 13 4 2005550 11 10 3502230 5 4
0045540 19 11 2009830 19 10 3502230 5 26

0045540 19 16 2011660 17 9 3502230 5 47

0045540 19 20 2011850 21 14 3502240 5 13
0045540 21 44 2011850 21 18 3502270 5 35
0045540 21 47 2016650 7 8 3502280 5 33
0045610 9 8 2016650 7 12 3502910 21 2
0045770 11 8 2016650 9 11 3503190 13 1
0047580 5 44 2020450 17 15 3503200 13 5
0048040 21 4 2024330 17 16 3503210 13 6
0048050 5 45 2025220 11 6 3503220 13 8
0048060 21 29 2100610 21 28 3503230 13 7

0048080 7 11 2105850 11 18 3503240 13 9

0048080 9 6 2113880 21 40 3503250 13 2
0048200 7 15 2400620 7 14 3503260 13 13
0048200 9 14 2400620 9 13 3503360 11 26
0048210 13 23 2401300 7 7 3523581 21 5
0049100 21 26 2401300 9 10 3523700 17 17
0050840 7 9 2402420 5 52 3523711 17 13
0050840 7 13 2402540 5 8 3523830 11 22
0050840 9 12 2402540 5 11 3523830 13 15
0070070 15 23 2402550 5 42 3523830 15 2

0070070 5 34 2402560 5 24 352388-910 9 1

0070070 5 40 2535110 21 46 352389-910 11 1
0070070 5 54 2535860 5 49 3523900 13 17
0070080 11 15 2535880 5 51 3523910 13 20
0070080 15 36 253588A0 5 50 352392-910 11 21
0070090 11 11 2540180 19 21 3523940 11 24
0070140 21 1 254516-920 21 31 4C000609200 15 18
007017A0 19 22 257565C0 21 30 4C005109200 19 5
007018A0 11 25 257565D0 13 30 4L000300000 15 20
007018A0 15 15 257565D0 15 39 4M001909100 19 8

007018A0 5 38 2635250 21 34 5110041 17 11

0070190 11 4 2635260 21 37 511044-911 17 10
007019A0 11 20 263529-910 21 43 5130650 9 16
007019A0 11 33 2635530 21 45 513078-910 13 11
007019A0 13 28 2750340 21 42 5220071 21 20
007019A0 15 38 2B000500000 15 26 5220320 21 21
007019A0 21 13 2B000600000 15 28 5260040 11 28
007019A0 21 17 3005900 21 22 5270040 9 17
007019A0 21 35 3033230 21 10 5270060 13 12
0070200 21 32 3034480 21 36 5280000 9 23

0070220 21 33 3065530 11 5 5610650 9 25

0070270 19 4 3067910 17 4 562100-910 9 19
0070330 13 10 3067920 17 6 5621030 9 24
0070410 21 38 3067930 17 5 5G001509100 5 1
0070430 11 23 3067951 17 8 6000080 9 21
0070430 13 16 3070030 15 16 6000780 11 29
0070430 15 3 3500110 7 6 6000780 13 24
0070660 19 7 3500110 9 9 6001010 9 26
0070710 5 32 350026-920 11 7 6002200 11 31
0070770 5 55 3500270 11 9 6002200 13 26

0070780 15 34 350028-910 11 12 6002210 9 20

0070880 7 16 3500311 11 3 6010370 11 30
0070880 9 15 3500340 11 14 6010370 13 25
0071190 13 14 3500420 19 12 6010490 21 24
0071200 15 27 3500430 19 9 6010530 21 23
0071330 5 53 3500450 19 15 6010680 17 12
0071340 5 5 3500450 19 19 6080020 21 25
0071340 5 9 3500460 19 13 6A005700000 15 4
0071340 5 25 3500460 19 17 6A005800000 15 8
0071340 5 48 3500470 19 14 6A006000000 15 22

0071350 13 3 3500470 19 18 6A006309100 15 11

0071350 5 14 3500580 11 13 6A008900000 5 39
0071350 5 16 3500590 11 16 6A013400000 15 30
0071350 5 28 3501860 9 4 6A024900000 5 37
0071370 5 19 3501870 9 18 6G003400000 15 35
0071490 15 21 3501880 9 7 6G0134A0000 5 2
0071650 15 29 350197ARA1 7 2 6S1007091Y0 13 31
0071671 21 41 350197-RA0 9 2 6S1008091Y0 15 1
0071810 21 3 3501990 7 10 716022-910 21 9
0071830 11 17 3501990 9 5 7420890 21 7
 PEGASUS SEWING MACHINE MFG. CO., LTD.
5-7-2, Sagisu, Fukushima-ku, Osaka 553-0002, Japan. Phone :(06)6458-4739
Telefax: (06)6454-8785

Cat. No. 9B601400000 November 2006

© 2006 PEGASUS SEWING MACHINE MFG. CO., LTD.

The description in this PARTS CATALOG is subject to change without prior notice.