Siemens HM656A User manual

Recommended tools:

5/16” socket,

Extension bar,

Torque wrench

1 / 10 (English)

400A & 600A

Mechanism Replacement Kit

Installation Instructions

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

I.L. No. 508533A00

Use only with Siemens certified components.

NOTE - These instructions do not purport to cover all details or

variations in equipment, or to provide for every possible

contingency to be met in connection with installation, operation

or maintenance. Should further information be desired or

should particular problems arise, which are not covered

sufficiently for the purchaser’s purposes, the matter should be

referred to the local Siemens sales office. The contents of this

instruction manual shall not become part of or modify any prior

or existing agreement, commitment or relationship. The sales

contract contains the entire obligation of Siemens. The

warranty contained in the contract between the parties is the

sole warranty of Siemens. Any statements contained herein do

not create new warranties or modify the existing warranty.

TRADEMARKS - Unless otherwise noted, all names identified

by ® are registered trademarks of Siemens AG or Siemens

Industry, Inc. The remaining trademarks in this publication may

be trademarks whose use by third parties for their own

purposes could violate the rights of the owner.

Cat. #: HM656A

Item: HM656A

For use with: 400A & 600A VBII Safety Switches,

Series “A”

Handle Grommet (1)

Type 3R, 12 & 4X

units only

Interlock Grommet (1)

Type 3R, 12 & 4X

units only

Sealing washer (4)

Type 4X units only

#10 – 32 x .312”L (4)

Mechanism Mounting Screws

All Unit Types

Mechanism (1)

All Unit Types

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

2 / 10 (English) I.L. No. 508533A00

1. Prepare switch for mechanism replacement.

Turn OFF and lock out all power supplying this device before working on the device.

Turn OFF the switch

Verify that NO voltage is present at the wire grips.

Remove any installed fuses (Fusible Switches).

Rotate line shields for access to line base mounting screw as shown in Fig’s 1 & 2.

Remove all conductors from the line base.

2. Remove the Line Base Mounting Screws as shown in Fig. 2. Keep hardware for re-installation.

(View shows line shield rotated.)

Fig. 1

Line Base

Mounting Screw

Line Base

Mounting Screw

Fig. 2

3. Slide the Line Base assembly away from mechanism assembly until the rotor clears the mechanism

assembly as shown Fig’s. 3 & 4.

4. Lift the line base assembly and enclosure barrier out of enclosure as shown Fig. 5.

3 / 10 (English) I.L. No. 508533A00

Enclosure Barrier

(keep for re-installation)

Line Base Assembly

Fig. 5

Fig. 4

View shown for clarification.

Rotor Assembly

Mechanism Assembly

Fig. 3

Enclosure

Barrier

Line Base Assembly

Mechanism

assembly

I.L. No. 508533A00

5. Remove all 3 existing handle guard mounting screws, sealing washers (type 4X) , #10-32 nuts (type 4X)

and handle guard as shown in Fig 6. Do not throw components away.

6. Remove the two existing handle mounting screws and handle as shown in Fig. 7. Do not throw away

components.

Fig. 7

Fig. 6

Handle Guard

4 / 10 (English)

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death orserious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

I.L. No. 508533A00

7. Remove the mechanism mounting screws and sealing washers as shown in Fig. 8.

8. Dispose of the mechanism and it’s hardware as shown in Fig. 9.

Fig. 9

Fig. 8

5 / 10 (English)

I.L. No. 508533A00

9. For Type 3R, 12 & 4X enclosures, place the new handle grommet and interlock grommet onto the

enclosure as shown in Fig 10. When properly seated, the enclosure sidewall will be captivated within

the groove in the grommet.

10. Align the new mechanism through the grommets openings. Mount the Mechanism with the

Mechanism Mounting Screws (and sealing washers for type 4X) as shown in Fig’s. 11 & 12.

6 / 10 (English)

Fig. 10

Enclosure Inside Surface

Fig. 11

Fig. 12

Torque to 30 lb-ins.

(3.39 Nm)

I.L. No. 508533A00

11. Place the handle onto the Mechanism as shown in Fig. 13. Secure with (2) #10-32 x 0.5” screws (saved

from Step 6 above).

12. Place the handle guard onto the enclosure as shown in Fig. 14. Secure with (3) #10-32 x 0.312” screws

(saved from Step 5 above). Include sealing washers and #10-32 nuts for type 4X enclosures only.

Fig. 13

7 / 10 (English)

Torque to 30 lb-ins.

(3.39 Nm)

Torque to 30 lb-ins.

(3.39 Nm)

Fig. 14

Handle Guard

10-32 Nut

(Type 4X Only)

Sealing Washer

(Type 4X Only)

13. Place the enclosure barrier and line base assembly into enclosure as shown Fig. 15.

14. Slide the line base assembly towards the mechanism assembly. Insert the end of rotor into the

mechanism assembly until the line base mounting holes are aligned as shown in Fig’s 16 & 17.

8 / 10 (English) I.L. No. 508533A00

Fig. 16

Enclosure Barrier

Line Base Assembly

Enclosure Barrier

Line Base Assembly

Fig. 15

Fig. 17

View shown for clarification.

Rotor Assembly

Mechanism Assembly

WARNING

Electrical Shock Hazard

Could cause death or serious injury

Ensure the Enclosure Barrier is properly installed before restoring power

Fig. 18

Torque to

30 lb-ins.

(3.39 Nm)

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death or serious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death or serious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

9 / 10 (English) I.L. No. 508533A00

Note the order of the first 2 (of 6) mounting screws

to secure the Line Base Assembly.

Fig. 19

1 st2 nd

15. Secure the line base assembly with six #10-32 x 5/8” screws (from Step 2 above) into the enclosure as

shown in Fig.18. See Fig 19 for the sequence of the line base mounting screw placement.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death or serious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

Turn off and lock out all power supplying this device before

working on this device.

Replace allcovers before powersupplying this device is

turned on.

Couper l'alimentation de l'appareil et barrer avant de

travailler.

Remplacez touts les couverts avant que

l'approvisionnement depouvoir soit alimenté.

Tensión peligrosa.

Puedecausarla muerte o lesiones graves. Tension dangereuse.

Danger de mort ou risque de blessures graves.

Hazardous Voltage.

Will cause death or serious injury.

Desenergice totalmente antes de instalar o darle servicio.

Reemplace todas las barreras y cubiertas antes de

energizar el interruptor.

16. While all power supplying the Safety Switch is still OFF and locked out:

a. Hold Interlock Lever below the front of the enclosure to operate switch with the door open.

(See Fig. 14) Move the safety Switch handle to the ON position.

b. Cycle the mechanism while checking for smooth switch operation and moveable contact

movement. If the switch does not operate in a smooth manner, or if there are any questions

about the replacement kit installation, contact Customer Service 1-800-241-4453.

c. Turn the Safety Switch OFF.

17. Reinstall line conductors. Torque lugs to the wire tightening torque values listed in the Terminal

& Wire Information Table on the interior label.

18. Rotate line shields as shown in Fig.20.

19. Install fuses, if removed in step 1.

20. Close cover before restoring power to the safety switch.

Fig. 20

Interlock Lever

Line Shield

Siemens Industry Inc., Norcross, GA 30092 10 / 10 (English)

Technical Support: Toll Free: 1-800-241-4453 Internet: www.usa.siemens.com/powerdistribution

I.L. No. 508533A00

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