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S260-20-9

25

Actuator Mechanism Parts (Figure 43)

Qty.

Item

Catalog

Per

No.

Descrliption

Number

Assy.

49

Plug assembly

KA98NR

1

50

Terminal strip

KP2101A7

1

51

Marker

KP40VR

1

52

Machine screw, rd hd, 8-32

x 3/4, stl

K721501108075Z

2

53

Split lockwasher, med, No. 8,

stl

K900801008000Z

2

54

Hex nut, 8-32, stl

K881001132008Z

2

55

Switch mounting panel

KP344VR

1

56

Machine screw, rd hd, 100-32

x 3/4, stl

K721501310075Z

3

57

Split lockwasher, med, No. 10,

stl

K900801010000Z

3

58

Plain washer, No. 10, stl

K900201010000Z

3

59

Spacer

KP3007A37

3

60

Switch and latch assembly

KA182VR900

2

61

Machine screw, rd hd, 8-32

x 1/2, stl

K721501108050Z

4

62

Elastic stop nut, 8-32

KP2020A5

4

63

Spacer

KP3007A35

2

64

Crank assembly

KP141VR

1

65

Self-tap screw, pan hd,.10-32

x 1/8, sst

KP751717110037A

1

66

Mounting clip

KP1091ME

1

67

Latch-in spring

KP72VR

1

68

Machine screw, rd hd, 10-32

x 7/8, stl

K721501310087Z

2

69

Split lockwasher, med, No. 10

stl

K900201010000Z

2

70

Hex nut, 10-32, stl

K881001332010Z

2

71

Machine screw, rd hd, 5/16-18

x 1-1/4, brass

K721525131125A

1

72

Flat washer, 5/16 AN, stl

K900201032056Z

2

73

Hex nut, 5/16-28, stl

K880201118031Q

1

74

Latch

KP268VR

1

75

Wing nut

K881201118031Z

1

76

Counter assembly

KA28C03

1

77

Self-tap screw, rd hd, No. 6

x 3/8, sst

K801515006037A

2

78

Capscrew, hex hd, 3/8-16

x 1-1/2, stl

K730101137150Q

1

79

Hex nut, 3/8-16, stl

K880201116037Q

1

80

Split lockwaser, med, 3/8, stl

K900801037000Z

1

81

Plate, CLOSED

KP729R

1

82

Nameplate

KP131 VR

1

83

Control rating plate

KP289VR1

6

84

Self-tap screw, rd hd, Type Z,

No. 2 x 3/16, stl

K801515002018A

6

85

Cover

KP158VR

1

86

Gasket

KP649VR

1

87

Machine screw, rd hd, 10-32

x 3/4, sst

K721515310075A

4

88

Split lockwasher, med, No. 10,

stl

K900801010000Z

4

89

Hex nut, 10-32, stl

K880201332010Z

4

90

Gasket

KP78VR

1

91

Gasket

KP77VR

1

92

Mechanism housing

KA230VR1

1

93

Capscrew, hex hd, 3/8-16 x 1,

stl

K730101137100Q

4

94

Split lockwasher, med, 3/8, stl

K900801037000Z

4

Qty.

Item

Catalog

Per

No.

Description

Number

Assy.

1

Cover

KP129VR

1

2

Cover gasket

KP2084A1

1

3

Plate, MANUAL TRIP

KP245VR

1

4

Plate, OPEN

KP730R

1

5

Self-tap screw, rd hd, Type Z,

No. 2 x 3/16, sst

K801515002018A

4

6

Manual trip assembly

KA65VR900

1

7

Spring

KP157VR

1

8

Spacer

KP3007A8

1

9

Plain washer, 1/4 AN, stl

K900201026050Z

1

10

Plain washer, No. 10S, brass

K900525020043A

1

11

Speed nut

KP2005A1

1

12

Mounting plate

KP87VR

1

13

Machine screw, rd hd, 10-32

x 3/4, sst

K721515310075A

2

14

Split lockwasher, med, No. 10,

stl

K900801010000Z

2

15

Trip solenoid assembly

120 vac

KA185VR1

1

125 vdc

KA185VR2

1

48 vdc

KA185VR3

1

24 vdc

KA185VR4

1

16

Machine screw, 10-32 x 1/2, stl

K72150130050Z

4

17

Elastic stop nut, 10-32

KP2020A1

4

18

Nylon wire clip

KP2006A1

1

19

Pin

KP314VR

1

20

Link

KP83VR

1

21

Spacer

KP3004A24

1

22

Plain washer, No. 6 SAE, stl

K900201006000Z

1

23

Retaining ring, Type C, 1/4,

stl (WA514)

K970901250000M

1

24

Support and lever assembly

KA41VR

1

25

Machine screw, 10-32 x 1/2, stl

K721501310050Z

2

26

Elastic stop nut, 10-32

KP2020A1

2

27

Closing spring

KP533GW

1

28

Retaining ring, Type C, 3/8,

stl (WA518)

K970901375000M

1

29

Sleeve

KP280VR

1

30

Retaining ring, Type C, 5/16,

stl (WA516)

K970901312000M

1

31

Plain washer, No. 20S, brass

K900525312000A

1

32

Spring link

KP31VR

2

33

Spacer

KP3011A6

1

34

Plain washer, 1/2, brass

K900525056125A

1

35

Toggle assembly

KA11 VR1

1

36

Retaining ring Type C, 5/16,

stl K970901312000A

2

37

Spacer

KP3010A7

1

38

Pin

KP3125A7

1

39

Opening spring

KP35VR

2

40

Speed reducer (includes items

42 through 45)

KA32VR

1

41

Capscrew, hex hd, 5/16-18

x 3/4, stl

K731001131075Q

4

42

Split lockwasher, med, 5/16, stl

K900801031000Z

4

43

Motor assembly

KA225VR

1

44

Spacer

KP3009A159

3

45

Split lockwasher, med, 14, stl

K900801025000Z

3

46

Machine screw, rd hd, 1/4-28

x 1 -18, stl

K721501325112Q

3

47

Receptacle assembly

KA129VR

1

48

Self tap screw, rd hd, Type Z,

No. 6 x 3/8, stl

K801515006037A

4

Summary of Contents for VCR Series

Page 1: ...eral Description 1 Description of Operation 3 Standard Actuator 3 Quick Close Actuator 4 Ratings and Specifications 5 Maintenance 5 Frequency of Maintenance 5 Periodic Maintenance Inspection 5 Operati...

Page 2: ...nfiguration and are dif ferentiated by their contact assemblies The Type VCR switch utilizes a set of wedge shaped moving contacts for arc ing and a set of bayonet type contacts for load carrying In a...

Page 3: ...e operating principles With the contacts closed Figure 6 the opening spring is held extended by a rigidly latched toggle mechanism When the opening circuit is energized the trip solenoid breaks the la...

Page 4: ...ng motor is energized and drives the crank arm to extend the tog gle until it latches and extends both the opening and closing springs The clos ing mechanism is latched in the pre loaded position by t...

Page 5: ...s recommends the switch be inspected and serviced yearly until experience indicates a more advanta geous schedule In no case should the service interval extend beyond 1200 operations Periodic Maintena...

Page 6: ...cross terminals 3 and G to energize the trip solenoid MANUAL OPERATION A crank is included in the bottom of the actuator cabinet for closing the switch manually To Close Switch STANDARD ACTUATOR Apply...

Page 7: ...contact structure to the lower end of the bushing rod 2 Remove the three hex head cap screws and clamps that secure the bushing to the head and lift out the complete bushing assembly 3 Remove and disc...

Page 8: ...The head assembly can be supported on its bush ings TYPE VR AND VCR SWITCHES If it has been determined that the con tacts must be replaced refer to Figures 15 or 16 as appropriate and proceed as foll...

Page 9: ...fter contact alignment has been completed D Reconnect the contact rod to the operating link with the link pin secure the pin with a C ring E With the switch mechanism in the open position the top edge...

Page 10: ...stop nuts securely D Unhook the closing spring from the drive stud on the front of the actuator mechanism Install the manual closing crank and crank clockwise untiI the drive stud reaches 7 o clock p...

Page 11: ...lated with strips of thin insulating material B The separating force on a new set of contacts is generally greater than 7 5 lb Therefore the adjust ment of new contacts will be in the direction of red...

Page 12: ...19 Adjust the nuts on the bushing rod to move the contact housing up or down as required B With a sailboat alignment fixture spanning the machined surfaces of the head casting check the axial squaren...

Page 13: ...nd reattach the closing spring 8 ManualIy operate the switch a few times to observe contact alignment and clearances to verify that all parts have been properly secured Actuator Mechanism Normally lit...

Page 14: ...ting plate to the speed reducer frame and lift out the mounting plate as shown in Figure 35 3 To replace the solenoid assembly first remove the retaining ring attaching the plunger link to the tog gle...

Page 15: ...motor simply disconnect the motor leads and remove the attach ing hardware Make sure the drive gear on the motor shaft meshes correctly with its mating reduction gear when installing the new motor Bel...

Page 16: ...peed reducer in actua tor housing Moderately tighten hex head screws Be sure latch lever is positioned behind stop lever roll pin as shown in Figure 36 10 Lift trip lever and insert toggle pin to secu...

Page 17: ...te Y Zinc chromate Z Electro zinc bronze irridite A hardware kit Catalog No KA849R1 contains an assortment of roll pins cotter pins retaining rings stop nuts etc common hardware parts used in Cooper P...

Page 18: ...Figure 39 Tank and head assembly parts 18...

Page 19: ...3 x 1 1 4 stl K730101150125Q 2 16 Split lockwasher med 1 2 stl K900801050000Z 2 17 Lifting lug KP456H1 2 Qty Item Catalog Per No Description Number Assy 18 Head casting includes operating shaft bushin...

Page 20: ...250000M 2 5 Pin KP31 24A18 1 6 Contact rod assembly KA200VR 1 Stationary contact assembly complete includes items 7 through 11 KA199VR1 1 Qty Item Catalog Per No Description Number Assy 7 Contact hous...

Page 21: ...00A 4 23 Machine screw rd hd 8 32 x 7 16 stl K721501108043A 4 24 Resistor 3 2 ohms Cutler Hammer G3AL320 K999904250136A 2 Qty Item Catalog Per No Description Number Assy 1 Hex jam nut light 5 8 18 bra...

Page 22: ...Figure 42 Type VLR contact assembly parts 22...

Page 23: ...P1505R 1 16 Plain washer 5 8 SAE steel K900201031000A 4 17 Stop nut KP2020A4 1 18 Roll pin 1 8 x 13 16 K970801125081M 1 Qty Item Catalog Per No Description Number Assy 1 Hex jam nut light 5 8 18 brass...

Page 24: ...Figure 43 Actuator mechanism parts 24...

Page 25: ...1 93 Capscrew hex hd 3 8 16 x 1 stl K730101137100Q 4 94 Split lockwasher med 3 8 stl K900801037000Z 4 Qty Item Catalog Per No Description Number Assy 1 Cover KP129VR 1 2 Cover gasket KP2084A1 1 3 Pla...

Page 26: ...9 Hex nut 8 32 stl K881001132008Z 2 10 Plain washer No 8S brass K900525014031A 1 11 Latch assembly KA72VR 1 12 Pin KP185VR 1 Qty Item Catalog Per No Description Number Assy 13 Bracket KP186VR 1 14 Cam...

Page 27: ......

Page 28: ...KBP 11 83 P O Box 2850 Pittsburgh PA 15230 1989 Cooper Industries Inc...

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