Union Special CV916P200 User Manual

·

CV-900

CLASS

PRT-9106

Parts Manual

i

!

PRT-9106

Parts Manual

for the

CV900 Series

First Edition

Copyright 1991

by

Union Special Corporation

Rights Reserved In All Countries

Printed

in

U.S.A.

June, 1991

PREFACE

This parts manual has been prepared

Adjusting Manual

It

is

the desire

this manual are designed specifically for your machine and are manufactured with utmost

precision

This
improvements may incorporate a slight modification
numbers.

On

used

to

manual

the following pages

on

the CV900 series machines.

INS-9105.

of

Union Special that each machine run at ifs optimum performance. Parts listed in

assure long lasting service.

has

been made

on

will

be found illustrations

and

the basis

can

be used in conjunction with

of

available information. Changes

of

configuration in illustrations

and

terminology used in describing the parts

Union

in

design

Special

or

part

and/or

3

SAFETY RULES

CAUTION!

THIS SYMBOL INDICATES YOUR PERSONAL SAFETY IS INVOLVED.

TO

PREVENT PERSONAL INJURY:

-

All

power sources to the machine MUST be

or

adjusting.

- Wear safety glasses.

- All covers

replacing parts.

and

guards MUST be in position before operating machine.

TURNED

OFF

before threading. oiling.

DO NOT tamper with covers. guards. etc

-

..

while machine

is

in operation.

4

1 Miscellaneous Covers & Cloth Plate .

2 Miscellaneous Covers

& Main Frame .

.... .... ....

....

........

..

........

..

......

..
..

..

.... ....

..

..

..

........ ...... ......

.... ....

...... ......

..

.... .... ....

.... ....

..............

.................. .....

..

3 Crankshaft Mechanism & Bushings .......................................................................... ,..........

4 Needle Drive, Needle Head, Eyelet & Take-up Parts ..........................................................

5 Feed Rocker & Adjustable Feed Regulator Parts .................................................................

6 Feed Dogs, Feed Bar & Differential Feed Parts .......

.... ....

......

.... ....

..

..

......

.... .... ....

......

.... ....

7 Feed Dogs, Feed Bar & Differential Feed Parts ...................................................................

8 Upper, Lower Looper Assemblies & Take-up Parts ............................................................

9 Safety Stitch Looper Drive Parts

10

Presser Foot Lifting Lever Parts .

11

Presser Foot Parts ......

12

Thread Tension Parts............................................................................................................

13

Throat Plate Support Lower Knife & Needle Guard Parts ......... ..........

14

Upper Knife Driving Parts................................................................................................... 32

15

Needle Cooler Parts .

16

Oil Pump Parts.....................................................................................................................

17

Semi-Submerged Tabling ..................................................................................................... 36

18

Fully-Submerged Tabling....................................................................................................

19

Thread Stands ....................................................................................................................... ·

....

..............

..

..

..

..

.. ..

20 Miscellaneous Parts ..................... ..........

21

Classification Guide ........... .......... ...... ........ ..............

. . . .

..

. .

...

....

.... ....

....

......

..

. . . .

......

....

........

....

.......... ......

..........

.... .... ....

.... .... .... ....

..

. .

..

. .

..

. . . . . . . .

....

.................. .......... .......... ........ ......

..............

..........

..

. .

..

. .

..

....

.......... .......... ..............

. .

....

.. ..

.... ....

....

......

..........

. .

..

. .

..

..

.... .... .... ....

....

.... ....

. . . .

..

. . . . . . . .

..

..

..

.... .... .... .... ....

..

.... .... .... ....

....

........ ......

..

. .

..

. .

.... .... ....

....

..

..

.... ....

..

..... 24

......

..

..

..

..

..

...

.... .... ....

..

. .

..

. . . . . .

..

. . . . . 3 3

...........

........ .......... 40

22 Index.....................................................................................................................................

9
11
13
15
17

..

19

21
23

25
27

29

..

31

35

37
38
39

41

5

EXPLODED

AND

VIEWS

DESCRIPTION

OF

PARTS

7

16

~.:;

u

\.(

i-'5

30

29

27

3/

32

36

~

28

39

8

46

47

MISCELLANEOUS COVERS & CLOTH

PLATE~~~~~~~~~~~~~~~~~~~

REF. PART

NO. NO.

U94IOI

I

2

U94IOIB

U94I85

3

4

U94I88
U9410IC

5
6

U94I85A
7
8
9

10

11

12
13
14
15
16
17
18

19
20
21
22
23
24
25

26

27
28
29

30 U94178C Chip Guard, Style 916..... ......... ....... ... ......... ...

31

32

33
34

35
36
37

38

39
40

41

42
43

44

45 U94185R Screw, for looper cover plate ................................................................................. 2

46

47

U94IOID Cloth Plate Shield
U94I69
U94IOIE Spring .
U94187
U94I85B Screw .

U94IO!F Positioner ......

U94188A
U94185C

U94185D

U94182 Cloth Plate Side Cover........................................................................................... I

U94185E

U94I85G

U94185F

U94182G

U94169A Rubber Plug

U94169B Rubber Plug............................................................................................................. I

U94184

U94I82D Rear Cover . ............ ............ ............ ............... .............. ...

U94184A

U94185C

U94182K Chip Guard Cover, Style

U94182L Chip Guard Cover, Style 916 ................................................................................. I

U94I85J

U94178

U94178A Chip Guard, Style 914 ....

U94I78B

U94185K

U94182E Looper Cover

U94182M Hinge Cover, for looper cover............................................................................... I

U94185

U94182N

U94I85C

U94I82P

U94185H

U94185R

U94182Y Presser Plate, for looper cover............................................................................... I

U94182R Guide Plate, for looper cover................................................................................. I

U94182S

U94182T

Cloth Plate Assembly.............................................................................................. I

Eccentric Bushing . . . . ............

Screw, for eccentric bushing.................................................................................. I

Disc Spring . ...

Thrust Collar . ......

Screw, for thrust collar........................................................................................... I

Rubber Plug ....... ...

Nut .....

Washer .......... ............. ...... ...

Screw, for positioner

Screw, for cloth plate shield................................................................................... 3

Screw, for cloth plate side cover............................................................................ 2

Screw, for feed mechanism cover.......................................................................... 6

......

Screw

Feed Mechanism Top Cover.................................................................................. . I

Gasket, for feed mechanism top cover................................................................... I

Gasket, for rear cover .......... ............ ............ ............ ............ .......... ......................... I

Screw, for rear cover

Screw, for chip guard cover................................................................................... 2

Chip Guard, Style 916 .................. .......................... ............ ............ .......... .....

Chip Guard, Style 904 ....

Screw,

... ... ............ .... .......... .....

Screw

Hinge Bracket, for looper cover ............................... ;............................................. I

Screw,

Presser Spring, for looper cover ......................... .'................................................... I

Screw, for presser spring
Screw, for presser

Looper Cover Plate................................................................................................ I

Hinge Spring ................. .....

..

............

...

..

. . . ............

...

. . ... .........

.. ..

...

.. ..

.. . ..

..

.....

..

..... .....

..

..... .....

..

...

..

.....

..

...

..

.....

..

..... .... .

..

............ ....... ...

..

.. ..

............ ... .....

..

. ........... ...

for chip guard............................................................................................. 2

..

for hinge bracket .......................... ............ ............ ............ ............ .............. 4

..

...

...

..

...

......... .....

..

..... .............. .....

..

..

.......... ......... .......... ......... ...

............ ... ....

plate ............ ....... ... .....

DESCRIPTION

...

..

... ......... ............ ... .......... ........... ....... ... .....

.. ..

.....

...

.. ..

...

..

... .... .....

..

. . .

..

...

.....

.. ..

.......... .... .

...

.. ..

... .....

.. ..

..... ...

.. ..

............ ............ ..... ...

...

..

..... ..... . .

. ....

...

..

............

..

...

..

...

.... .

.. ..

...

..

.....

..

..... .............. ............ ............ .......... ....... ... .......... .... .... 2

.. ..

..... ...

...

.. ..

............ ..... ....... ............ ............

904,914

.. ..

.......... .......... ................ .......... .............. ........................ I

.. ..

........................ .................... ............................ ............ I

...

..

.......... .....

..

. ........... ....... ..... ............ ....... ... ......... ..... .....

..

...... ....

..

. ....

..

..

..... ...

.. ..

... .....

.. ..

............. .... ... . .

...

.. .. .. . ..

.....

..

... . .

...

.. ..

...

..

...

.. ..

............ ..... ...

.. ..

............ ... .....

.. ..

.......... ............ .............. ..... ... ......... .....

..

. .... ..... ............ ...

..

... ..... .... ............ ... ..... .... ... .....

.. ..

...

..

... ......... ... .... ..... ...

......................................................................... I

.. ..

..

............ ............ ............ ............ ............ .............. I

...

..

...

..

. . ............ ............ ...

..

..... .....

... .....

.. ..

........ .... ...

.. ..

...

..

...

. .

..

. ........... ..... ... ......... ...... I

.. ..

...

..

...

..

. . .......... .....

.. ..

..... ...

..

.....

..

..

....... ... ...... .

...

..

...

..

.....

..

... ......... ....... ... ..... .... I

..

............ .......... ..... ....... .....

..

....... ...

..

..... .....

..

.....

..

.....

..

... ......... ............ ............ I

..

.....

..

... .....

.. ..

..

..... . . ...... . .

..

. . .......... I

..

....... ...

..

.....

.. . ..

..

...

..

..

. . ............ ..... ...

..

...

..

..... . . ...

..

...

............

...

.... ... .... I

.. ..

.......... .....

..

............

..

.....

..

.......... .....

..

.....

..

. ....

.. . ..

..... ...

..

.....

.. ..

...

.....

..

.....

....... I

.......... I

.. ..

..

....... I

..

...

.. ..

.. ..

...... 4

.. . .. ..

..

....... I

.....

.. ..

..

..... . 2

..

..... I

..

..

. 2

..

AMT.

REQ.

I

I

I

I

I

I

I

9

42

/~

22

~

/""

I'

~.

32

1

~~,

30

31

10

MISCELLANEOUS COVERS & MAIN

FRAME===================

REF.

NO.

I

2
3

4
5
6
7
8
9

10

11

12
13
14
15
16
17
18

19
20
21
22
23
24
25

26
27
28
29
30

31
32
33
34

35
36

37

38

39
40

41
42

PART
NO.

U94182A
U94!84E

U94193A
U94!85L
U94182U

U94184B
U94185S
U94!88E
U94182W
U94185T
U94182X
U94182C
U94188E

U94185G
U94187A

U94196A
U94196

U94185U

U94143
U94169C

U94185V

U94185X

U94193C

U94193B

U94193D

U94185Y

U94188C

U94188D

U94187B

U94184D

U94185AA

U94193E

U94184C

U94169E

U94182J

U94159

U94185W

U94185E
U94182H
U94169D

U94!82F

U94185M

DESCRIPTION AMT.

REQ.

Top Cover

Gasket, for oil cap..................................................................................................

Oil Cap

Screw, for top cover............................................................................................... 3

Sponge, for top cover............................................................................................. I

Gasket, for top cover.............................................................................................. I

Screw, for face plate cover spring.......................................................................... I

Washer .

Spring, for face plate cover.................................................................................... I

Screw . .....

Pin, for face plate cover......................................................................................... I

Face Plate Cover ......... ... .........

Washer .

Screw, for sewing guard .......... .................................. .............. .............. ............ ..... 2

Nut .....

Sewing Guard, Style 916 ....................................................................................... I

Sewing Guard, Style
Screw, for presser

Presser Arm Assembly Housing............................................................................ I

Roll Pin

Screw . ......... ........ .... ...

Screw, for filter holder
Presser

Filter ............ ............ ...

Filter Holder ...

Stud Screw, for oil pan ................................................. ,......................... ................ 4

Washer ..... ...

Spring Washer

Nut

Gasket, for plug screw .......... .......... .......................... .................................... ......... I

Plug Screw . ..... .....

Oil Pan ......

Gasket, for oil pan ......

Rubber

Chip Guard, for upper cover,

Thread Guide, large ... ......... ... .... ...

Screw . ......... ............ ... ..... .... ............ ............

Screw . ......... ........ ... . ............. .... ... ......... ............ ............ ............ ..... .............. ........ .... 2

Chip Guard, for upper cover,

Rubber

Belt Cover ...........................................................

Screw, for belt cover.............................................................................................. 3

...

.. ..

... .....

.. ..

... .....

.. ..

. .... ...

..

.....

..

... ....

...

. . .....

..

...

..

..... .....

..

. ...... .....

...

.. ..

....... I

..

.........

...

.... ...

..

...

.. .. .. . ..

...

.. ..

...

..

...

.. ..

..... ... . .

..

............ ..... ...

.. ..

............

...

.. .. . .. ..

..... ...

.. ..

...

..

....... ... ..... ...... .

..

....... ... ......... ... ....

.. ..

...

..

................. ....... ............ .....

..

............ ... ......... ..... .....

arm

.. .. ..

............ ...

Plate, for filter ....

.. ..

............ ............ ........ ......... ............ ............ ............

..

............ ............ .....

.. .. ..

..... ...

..

... ......... ... ..... .... ...

..

............ ....... ... .....

.. ..

............ ............ .....

Plug, Style 904, 914 .................................................................................. I

Plug ......................................................... ;.......... ...... ...

...

. . ....... ... .....

...

.... ............ .....

..

.......... .....

904,912,914

housing.............................................................................. I

..

...

.. ..

... .....

.. ..

..

....... ... .....

.. .. ..

...... .................. ........ ................ ............ ........ ................. 6

..

............................................................ ............ .............. I

..

...

.. ..

............ ............ ............ ........ ....

..

..

.....

..

............ .....

..

...

.. ..

.......... ....... ..... .....

..

..

.......................... ..... ............ ............................. .............. .... I

Style

Style 916 ................................................................. I

.. ..

. ................

..

............ ...

.. ..

. ........... ...

....................................................................... I

...

.............. ...

.. ..

.......... ............ .............. ..... ............ .....

............ ............ ............ ............ ..... ............ ......... 4

..

... ............ .............. ....... ............. ....

.. ..

............ ............ ... .....

. ......... ............. ........... ....... ...

904,914

..

...

.. ..

. ........... ............. ........... ........ ......... ............ 2

..

....... ...

...

...

.. ..

...

..

...

..

.....

..

...

.. ..

...

..... ......... ................... ... .....

..

... ............ ......... .......... ............ .....

......................................................... I

...

..

.....

..

..... ...

,,

......... ............ ........ ......... ....... ...

.. ..

...

..

. . . ...... .

..

..

............

...

..

. . . ....

..

. . ...

..

...

.. ..

...

..

... .......... ....

.. ..

. ...... . . .

..

...

..

..... .....

..

...

..

...

. .

..

............

...

..... ...... 2

..

. . . ........... ..... ............ .....

..

... .....

...

..

. ......... .....

..

....... ....... ..... ... ......... I

..

........ .... .....

..

.....

..

... ......... ....... ... .....

..

.....

.. ..

........... I

...

.. ..

............ .... I

..

..

............ .......... 2

........ I

...

..

. . . . I

..

...

.. ..

.. ..

...

...... 4

.......... I

.. ..

.. ..

.. ..

..

..

'I

I

I
I

2

I

4

I

·1

II

,-

-----11

11~12,7

I •

,-...;~

5

4

I

I I

1

113~

I

~--

-----,

I

14~

115

I

!!

II

II
II

~

1116~

II

-~!_

__

_..i

!'4

I

I

1

I

I

!

I
I

~

I

I

Q..---"

..--

18

-

'1

J

~39

12

CRANKSHAFT MECHANISM &

BUSHINGS====================

REF.

NO.

I

2
3

4
5
6
7
8
9

10

11

12
13
14
15
16
17
18
19

20
21
22
23
24

25
26

27
28
29

30

31

32

33

34

35

36

37

38

39
40
41

42

43
44
45
46
47

PART
NO.

U94190

U94185AB
U94185AC

U94190A
U94184F
U94190B
U94190C
U94169F
U94190D
U94122
U94173
U94185AD
U94185AE
U94152D
U94185AF
U94185AE
U94169G
U94190E
U94143AJ
U94185AE
U94143A
U94185AF
U94185W
U94143B
U94185AE
U94143A
U94185AF
U94143C
U94185AE

U94143D
U94185AF
U94185W
U94139
U94190E
U94188F
U94188G
U94169H

U94190G
U94185L
U94193F

U94121B

U94185AG

U94188H

U94185AH
U94121
U94188J

U94185AJ

DESCRIPTION

AMT.

REQ.

Crankshaft Bushing, Style 904,

Screw,

Screw,

for

crankshaft bushing, Style 904,

for

crankshaft bushing, Style 904,914 ...................................................... 3

914

....................................................................... I

914

...................................................... 3

Crankshaft Bushing, Style 916 ............................................................................... 1

Gasket.....................................................................................................................

Ball

Bearing, Style

Ball

Bearing, Style

Rubber

Cap,

Crankshaft Bushing . .......

Crankshaft
Knife

..

Drive

904,
916

Style 904,

....

...

..

...

.. ..

Connecting

914

.................................................................................. I

.......................................................................................... I

914

................................................................................... 1

..

...

..

...

.. ..

........

.. ..

...

..

.....

..

...

.. ..

. . .

..

..........

.....

..

...

..

.....

.. . ..

....

..

............ ........

Rod

.. ..

........

Assembly

.. ..

.....

...

.. ..

.....

...

.. ..

...

.....

....

..

. . . .

..

..

.. .. . ..

...

....................................................... ......... I

Screw...................................................................................................................... I

Shoulder

Connecting

Screw

...................................................................................................... 2

Rod

Assembly ..................................................................................... I

Screw...................................................................................................................... I

Shoulder
Retaining

Ball Bearing

Lower Looper

Shoulder

Ball

Joint

Screw

. .....

..

...

..

...

..

.....

..

..........

..

.......

...

............

Ring

.....

..

..........

..

....... ..... ....... ..........

.. .. ..

. .......

....

...

..

...

..... .......

.. ..

Drive

Connecting

Screw

...................................................................................................... 4

Guide

Fork.............................................................................................

Rod

..

........

.. ..

Assembly.................................................. I

........

..........

..

....

..

..........

...

.....

........

..

.. ..

.. ..

..........

.....

...

........

.. ..

.. ..

..

.....

........

.....

..

.....

...

.. ..

.....

...

.....

..
..
..

.2

Screw...................................................................................................................... 2

Screw...................................................................................................................... 2

Looper Drive Connecting

Shoulder
Ball Joint

Screw

...... ..... .......

Guide

Fork ............................................................................................. I

Rod

Assembly, Style 916 ....................................... ,..... I

..

........

.. ..

........

.. ..

........

.. ..

........

.. ..

........

..

....... ..........

..

.....

Screw...................................................................................................................... 2

Upper Looper Drive Connecting
Shoulder

Ball Joint

Screw

...................................................................................................... 4

Guide

Fork ............................................................................................. I

Rod

Assembly................................................... I

Screw...................................................................................................................... 2

Screw

........................................................................ ,............................................. 2

Worm

Gear............................................................................................................. I

Ball Bearing

..

....

...

..

...

.......

.. . ..

.. .. . ..

.....

.. ..

........

.. ..

........

.. ..

........

.. ..

........

..

.....

..

..........

..

Washer................................................................................................................... I

Wave

Washer......................................................................................................... I

Rubber
Retaining

Screw,
Oil

"0"

Ring .................................................................................................... I

Plate

.. .. ..

........

..

. .

.....

...

....

.....

.....

.....

..

..... .......

...

..

.....

..

.....

.....

..

.....

..

.....

.....

..

. I

for

retaining plate....................................................................................... 3

Shield ............................................................. ,................................................. I

Pulley ..................................................................................................................... I

Screw,

for

pulley .................................................................................................... 2

Washer................................................................................................................... I

Screw,

for

crankshaft ............................................................................................. I

Handwheel ............................................................................................................. I

Spring Washer........................................................................................................ 3

Screw,

for

hand

wheel

............................................................................................. 3

I

I

I

2

I

2

4

I

13

46

14

~

··~