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Related Manuals for GE GL 310 F1/4031 P/VR
Summary of Contents for GE GL 310 F1/4031 P/VR
- Page 1 Operating Instructions No. 246 (EN) evice: High Voltage Circuit Breaker GL 310 F1/4031 P/VR GL310 F1/4040 P/VR GL 311 F1/4031 P/VR GL311 F1/4040 P/VR GL 312 F1/4031 P/VR GL312 F1/4040 P/VR GL 313 F1/4031 P/VR Manufacturer: GE Grid GmbH Lilienthalstrasse 150 - 34123 Kassel, Germany...
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Page 3: Table Of Contents
TABLE OF CONTENT Introduction ......... . Safety . - Page 4 TABLE OF CONTENT 6.13 Connecting the Cables ..........6.14 Earthing (Grounding) the Circuit Breaker .
- Page 5 TABLE OF CONTENT Reconditioning ........10.1 Reconditioning the Interrupter Chamber .
- Page 6 TABLE OF CONTENT A2.4 Tools, Test Equipment and Auxiliary Equipment ......A2.4.1 Tool Recommendations ......... . . A2.5 Greases for Installation, Commissioning and Maintenance .
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Page 7: Introduction
NTRODUCTION Introduction GE Grid GmbH Lilienthalstrasse 150 34123 Kassel Germany Telephone: +49 561 502-0 Fax: +49 561 502-2499 /REV6... - Page 8 NTRODUCTION Copyright Notice Trademark Notices /REV6...
- Page 9 NTRODUCTION /REV6...
- Page 10 NTRODUCTION /REV6...
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Page 11: Safety
AFETY Safety Safety Instructions DANGER WARNING CAUTION CAUTION /REV3... - Page 12 AFETY /REV3...
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Page 13: Handling Sulfur Hexafluoride
ANDLING ULFUR EXAFLUORIDE Handling Sulfur Hexafluoride Standards governing SF handling Safety Precautions When Handling SF 3.1.1 Oxygen Displacement 3.1.2 Mechanical Handling /REV3... -
Page 14: Frostbite
ANDLING ULFUR EXAFLUORIDE 3.1.3 Frostbite WARNING /REV3... -
Page 15: Safety Precautions When Handling Used Sf6
ANDLING ULFUR EXAFLUORIDE Safety Precautions When Handling Used SF WARNING /REV3... -
Page 16: Transport At The Installation Site
ANDLING ULFUR EXAFLUORIDE Transport at the Installation Site CAUTION DANGER Therefore: - Do not move pole columns if the gas gauge pressure is higher than the shipping pressure. /REV3... -
Page 17: Components Supplied
OMPONENTS UPPLIED Components Supplied Scope of Supply (Standard) /REV1... -
Page 18: Scope Of Supply (Optional)
OMPONENTS UPPLIED Scope of Supply (Optional) /REV1... -
Page 19: Transport And Storage
RANSPORT AND TORAGE Transport and Storage Transport and Handling WARNING Therefore: - Comply with handling markings and labeling. - Use hoisting equipment with adequate load-bearing capacity. - Do not stand under suspended loads. /REV1... -
Page 20: Storage
RANSPORT AND TORAGE Storage CAUTION /REV1... -
Page 21: Installation
NSTALLATION Installation Preparing for Installation 6.1.1 Documentation 6.1.2 Checklist /REV6... - Page 22 NSTALLATION Checklist for Installation and Commissioning Circuit Breaker Data Type & Serial No.: Customer: Station: Installation No. Operation to Be Performed Section /REV6...
- Page 23 NSTALLATION Checklist for Installation and Commissioning Circuit Breaker Data Type & Serial No.: Customer: Station: Commissioning: No. Operation to Be Performed Section or Value Fax: +49 561 502-2774, E-Mail: checkliste.kassel@alstom.com /REV6...
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Page 24: Materials And Equipment To Be Provided By Customer
NSTALLATION Materials and Equipment to Be Provided by Customer Use of Auxiliary Materials and Supplies Unpacking the Transport Units WARNING Therefore: - Comply with handling markings and labeling. - Use hoisting equipment with adequate load-bearing capacity. - Do not stand under suspended loads. /REV6... -
Page 25: Base Frame
NSTALLATION 6.4.1 Base Frame 6.4.2 Pole Column composite or porcelain insulators. Composite insulators CAUTION Therefore: - Clean and wash the silicone shielding using only water or isopropyl alcohol. Porcelain insulators /REV6... - Page 26 NSTALLATION WARNING Therefore: - all present persons must take cover or - comply with the following minimum distance: for porcelain insulators: approx. 50 m for composite insulators: the height of the device (measured from ground level to the upper edge device) /REV6...
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Page 27: Unpacking Pole Column With Composite Insulators
NSTALLATION 6.4.2 a Unpacking Pole Column with Composite Insulators CAUTION Therefore: - Attach lifting tackle solely to the fastening points provided (on the lower post insulator flange and the upper terminal pad mounting plate). Therefore: CAUTION - Select squared timbers of sufficient height, and position them correctly in order to prevent the insulators from tou- ching the ground. -
Page 28: Unpacking Pole Column With Porcelain Insulators
NSTALLATION 6.4.2 b Unpacking Pole Column with Porcelain Insulators Therefore: CAUTION - Select squared timbers of sufficient height, and position them correctly in order to prevent the insulators from tou- ching the ground. /REV6... - Page 29 NSTALLATION Checking the SF Shipping Pressure WARNING Therefore: Do not use the shipping pressure indicator to check rated pressures, alarm pressures or blocking pressures. Procedure for using the shipping pressure indicator Evaluating the indication /REV6...
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Page 30: Operating Mechanism
NSTALLATION T116 6.4.3 Operating Mechanism /REV6... -
Page 31: Preinstalling The Supports
NSTALLATION Preinstalling the Supports /REV6... -
Page 32: Installing The Base Frame
NSTALLATION Installing the Base Frame (see “Preinstalling the Supports” on Page 31) /REV6... -
Page 33: Installing The Mechanism Brackets
NSTALLATION Installing the Mechanism Brackets /REV6... -
Page 34: Mounting The Operating Mechanism
NSTALLATION Mounting the Operating Mechanism CAUTION Therefore: - Never operate the mechanism without the pole columns. DANGER Therefore: - The operating mechanism must be completely discharged during installation. The position indications must be as follows: Closing spring indication: "Spring discharged" Mechanism position: "OPEN"... - Page 35 NSTALLATION /REV6...
- Page 36 NSTALLATION /REV6...
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Page 37: Installing The Pole Columns
NSTALLATION Installing the Pole Columns 6.9.1 Erecting the Pole Columns CAUTION WARNING Therefore: - Never lift the pole columns from the high voltage terminal pads attached to the pole column. Always use the holes in the terminal pad mounting plate. - Do not stand under suspended loads. -
Page 38: Positioning The Pole Columns
NSTALLATION 6.9.2 Positioning the Pole Columns /REV6... - Page 39 NSTALLATION /REV6...
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Page 40: Aligning And Connecting The Pole Columns
NSTALLATION 6.10 Aligning and Connecting the Pole Columns /REV6... -
Page 41: Aligning And Connecting Pole Column B
NSTALLATION 6.11 Aligning and Connecting Pole Column B CAUTION Therefore: - Do not change the rod length. - Never use a drive rod with a different breaker serial number. /REV6... -
Page 42: Connecting The Drive Rod To The Drive Lever
NSTALLATION 6.11.1 Connecting the Drive Rod to the Drive Lever /REV6... -
Page 43: Connecting The Drive Rod To Pole B
NSTALLATION 6.11.2 Connecting the Drive Rod to Pole B /REV6... - Page 44 NSTALLATION /REV6...
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Page 45: Connecting The Lever To The Connecting Rod For Pole C
NSTALLATION 6.11.3 Connecting the Lever to the Connecting Rod for Pole C /REV6... -
Page 46: Aligning And Connecting Pole Column A
NSTALLATION 6.11.4 Aligning and Connecting Pole Column A /REV6... -
Page 47: Aligning And Connecting Pole Column C
NSTALLATION 6.11.5 Aligning and Connecting Pole Column C /REV6... -
Page 48: Mounting The High Voltage Terminal Pads
NSTALLATION 6.12 Mounting the High Voltage Terminal Pads /REV6... -
Page 49: Connecting The Cables
NSTALLATION 6.13 Connecting the Cables DANGER DANGER Therefore: - The cables may only be connected by qualified personnel using extreme caution. /REV6... -
Page 50: Earthing (Grounding) The Circuit Breaker
NSTALLATION 6.14 Earthing (Grounding) the Circuit Breaker /REV6... -
Page 51: Commissioning
OMMISSIONING Commissioning DANGER Therefore: - Make sure that the circuit breaker is disconnected from the high voltage system. - Make sure the circuit breaker is earthed (grounded). Density Monitor 7.1.1 Connecting the Cable /REV7... -
Page 52: Checking The Operating Points Of The Density Monitor
OMMISSIONING 7.1.2 Checking the Operating Points of the density monitor EasyCheck EasyCheck F-gases regulation EU 517/2014 (see “EasyCheck Density Monitor Unit” on Page 107) Caution! /REV7... - Page 53 OMMISSIONING Instruction! /REV7...
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Page 54: Filling The Pole Columns With Gas (Preparation)
OMMISSIONING Filling the Pole Columns with Gas (Preparation) WARNING Therefore: - Inspect the pole columns visually for damage before be- ginning the filling operation. - Carry out the filling operation from a protected position. CAUTION Therefore: - Never set the pressure reducing valve of the gas-filling de- vice higher than the rated breaker pressure. -
Page 55: Establish Gas Connections Between Density Monitor And Pole Columns
OMMISSIONING 7.2.1 Establish Gas Connections between Density Monitor and Pole columns FlexLink FlexLink (see “FlexLink-Gas Connection” on Page 111) /REV7... -
Page 56: Filling The Breaker With Gas
OMMISSIONING Filling the Breaker with Gas CAUTION t / °C /REV7... - Page 57 OMMISSIONING t / °C /REV7...
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Page 58: Checking The Anti-Condensation Heater
OMMISSIONING Checking the Anti-Condensation Heater Connecting the Supply and Control Cables WARNING Therefore: - Make sure the supply and control cables are not live befo- re connecting them. WARNING Therefore: - Keep parts of the body and other objects away from the moving parts of the operating mechanism and the entire connecting linkage. -
Page 59: Functional Testing
OMMISSIONING Functional Testing CAUTION Therefore: - Never operate the circuit breaker at gas pressures below UW2 (red area on the density monitor indicator). WARNING Therefore: - Always carry out test operations from a protected positi- CAUTION Therefore: - Connect coils only by way of the terminals provided. - Apply voltage to the coils for no longer than three se- conds. -
Page 60: Measuring The Contact Resistance
OMMISSIONING 7.6.3 Measuring the Contact Resistance high voltage terminal pads terminal pad mounting plate (see “Mounting the High Voltage Ter- minal Pads” on Page 48) 7.6.4 Measuring the Operating Times Closing time: Opening time: /REV7... -
Page 61: Checking Manual Operation
OMMISSIONING 7.6.5 Checking Manual Operation Therefore: WARNING - Make sure that the gas pressure in the circuit breaker cor- responds at least to the UW2 value before beginning ma- nual operation. /REV7... -
Page 62: Manually Charging The Closing Spring
OMMISSIONING 7.6.6 Manually Charging the Closing Spring /REV7... -
Page 63: Checking The Anti-Pumping System
OMMISSIONING 7.6.7 Checking the Anti-Pumping System Type with Closing Priority (Standard) Type with Opening Priority (Optional) 7.6.8 Checking the Functional Lockout 7.6.9 Operations Counter 7.6.10 Final Tasks /REV7... - Page 64 OMMISSIONING /REV7...
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Page 65: Troubleshooting
ROUBLESHOOTING Troubleshooting Electrical Switching Commands Are Not Correctly Executed DANGER /REV2... -
Page 66: Mechanism Reconditioning Procedures
ROUBLESHOOTING Mechanism Reconditioning Procedures 8.2.1 Replacing the Charging Motor CAUTION CAUTION If this is not the case: - Turn off the power to the motor immediately. - Check the connections and correct if necessary. /REV2... -
Page 67: Replacing The Closing And Opening Coil
ROUBLESHOOTING 8.2.2 Replacing the Closing and Opening Coil CAUTION Make sure you have the correct coil type. Compare the part number on the coils. /REV2... -
Page 68: Replacing The Operations Counter
ROUBLESHOOTING 8.2.3 Replacing the Operations Counter /REV2... -
Page 69: Replacing The Motor Limit Switch And/Or The Auxiliary Switch
ROUBLESHOOTING 8.2.4 Replacing the Motor Limit Switch and/or the Auxiliary Switch /REV2... - Page 70 ROUBLESHOOTING CAUTION Motor limit switch: Auxiliary switch: /REV2...
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Page 71: Replacing The Density Monitor
ROUBLESHOOTING Replacing the Density Monitor EasyCheck EasyCheck F-gases regulation EU 517/2014 Siehe “EasyCheck Density Monitor Unit” auf Seite 107. (left-hand thread) (left-hand thread) /REV2... - Page 72 ROUBLESHOOTING /REV2...
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Page 73: Austausch Einer Gasverbindung
ROUBLESHOOTING 8.3.1 Austausch einer Gasverbindung FlexLink FlexLink Siehe “FlexLink-Gas Connection” auf Seite 111. /REV2... - Page 74 ROUBLESHOOTING /REV2...
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Page 75: Inspection And Maintenance
NSPECTION AND AINTENANCE Inspection and Maintenance CAUTION Therefore: - Clean and wash the silicone shielding using only water or isopropyl alcohol. CAUTION /REV3... - Page 76 NSPECTION AND AINTENANCE CAUTION 3,15 2500 /REV3...
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Page 77: Ordering Accessories And Replacement Parts
NSPECTION AND AINTENANCE Ordering Accessories and Replacement Parts Inspection Therefore: DANGER - Never reach into the high voltage insulation area of the circuit breaker. - Never touch the contacts of the circuit breaker control system. 9.2.1 Visual Inspection 9.2.2 Anti-Condensation Heater CAUTION Therefore: - Never touch the heating unit directly. -
Page 78: Maintenance
NSPECTION AND AINTENANCE Maintenance Breaker Position State of the Operations to Be Closing Spring Executed Therefore: DANGER - Disconnect the breaker from the high voltage system and ground (earth) the breaker at both ends. Therefore: DANGER - Discharge the closing and opening springs by carrying out closing and opening operations. -
Page 79: Checking The Gas Quality
NSPECTION AND AINTENANCE 9.3.4 Checking the Gas Quality (see “Tools and Auxiliary Equipment” on Page 119) 9.3.5 Checking the Contact Resistance 9.3.6 Checking the Operating Times 9.3.7 Checking the Threaded Connections /REV3... - Page 80 NSPECTION AND AINTENANCE /REV3...
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Page 81: Reconditioning
ECONDITIONING Reconditioning Therefore: DANGER - Disconnect the breaker from the high voltage system, and ground (earth) the breaker at both ends. Therefore: DANGER - Discharge the closing and opening springs by carrying out closing and opening operations. Breaker Position State of the Operations Closing Spring Executed... -
Page 82: Reconditioning The Interrupter Chamber
ECONDITIONING CAUTION 10.1 Reconditioning the Interrupter Chamber 10.1.1 Disconnecting the Interrupter Chamber from the Post Insulator WARNING (see “Slow Operation for Maintenance Purposes” on Page 137) Therefore: WARNING - Always use a tool to remove the coupling pin connection. CAUTION Therefore: - Do not lift the interrupter chamber more than 80 mm. - Page 83 ECONDITIONING /REV7...
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Page 84: Removing The Double Motion System
ECONDITIONING 10.1.2 Removing the Double Motion System /REV7... -
Page 85: Removing The Guide Shaft
ECONDITIONING 10.1.3 Removing the Guide Shaft “Switchgear with 4031” on page 85 “Switchgear with 4040” on page 86 CAUTION 10.1.3.1 Switchgear with 4031 /REV7... -
Page 86: 10.1.3.2 Switchgear With 4040
ECONDITIONING 10.1.3.2 Switchgear with 4040 /REV7... -
Page 87: Disconnecting The Making And Breaking Units
ECONDITIONING 10.1.4 Disconnecting the Making and Breaking Units 10.1.5 Reconditioning the Movable Contact System /REV7... -
Page 88: Reconditioning The Fixed Contact
ECONDITIONING 10.1.6 Reconditioning the Fixed Contact 10.1.7 Lubricating the Interrupter Unit /REV7... -
Page 89: Connecting The Making And Breaking Units
ECONDITIONING 10.1.8 Connecting the Making and Breaking Units Identification System Guide lever Guide rod marked with a dot not marked with a dot /REV7... - Page 90 ECONDITIONING CAUTION Therefore: - Make sure you have correctly matched the rods and le- vers. - The lever arm for the double motion unit and the rod of the double motion unit are marked with dots. - The lever arm for the interrupter unit and the rod of the interrupter unit have no dot mark.
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Page 91: Mounting The Guide Shaft
ECONDITIONING 10.1.9 Mounting the Guide Shaft “Switchgear with 4031” on page 85 “Switchgear with 4040” on page 92 CAUTION 10.1.9.1 Switchgear with 4031 /REV7... -
Page 92: 10.1.9.2 Switchgear With 4040
ECONDITIONING 10.1.9.2 Switchgear with 4040 /REV7... -
Page 93: Reconditioning The Holder
ECONDITIONING 10.1.10 Reconditioning the Holder /REV7... -
Page 94: Installing The Double Motion System
ECONDITIONING 10.1.11 Installing the Double Motion System CAUTION Therefore: - Never install the double motion system without using the guide tool. /REV7... - Page 95 ECONDITIONING /REV7...
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Page 96: Adjusting The Double Motion System
ECONDITIONING 10.1.12 Adjusting the Double Motion System CAUTION Therefore: Carefully adjust and check the following: - Distance of 69.5±1mm. - Alignment of the flattened connecting rod side. - Alignment of the hole in the coupling piece. /REV7... -
Page 97: Connecting The Interrupter Chamber To The Post Insulator
ECONDITIONING 10.1.13 Connecting the Interrupter Chamber to the Post Insulator Therefore: WARNING - Always use a tool to remove the coupling pin connection. /REV7... - Page 98 ECONDITIONING /REV7...
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Page 99: Replacing The Adsorption Filter
ECONDITIONING 10.1.14 Replacing the Adsorption filter /REV7... -
Page 100: Final Operations
ECONDITIONING 10.1.15 Final Operations (see “Filling the Breaker with Gas” on Page 56) 10.2 Disassembling the Post Insulator and Crankcase Requirements /REV7... -
Page 101: Disassembling The Opening Springs
ECONDITIONING 10.2.1 Disassembling the Opening Springs In the open state, the precharging travel of the opening spring is shorter than the thread engagement length of the screws (68). The screws are therefore used as a releasing and charging device for the opening springs. /REV7... -
Page 102: Disassembling The Crankcase
ECONDITIONING 10.2.2 Disassembling the Crankcase /REV7... - Page 103 ECONDITIONING Reassembly: (see “Replacing the Adsorption filter” on Page 99) CAUTION (see “Connecting Interrupter Chamber to the Post Insulator” on Page 97) /REV7...
- Page 104 ECONDITIONING /REV7...
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Page 105: End-Of-Life Management
ANAGEMENT End-of-Life Management (see “Safety Precautions When Handling Used SF6” on Page 17) /REV2a... - Page 106 ANAGEMENT /REV2a...
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Page 107: Special Equipment (Optional)
PECIAL QUIPMENT PTIONAL Special Equipment (Optional) 12.1 EasyCheck Density Monitor Unit /REV0... -
Page 108: Functional Description
PECIAL QUIPMENT PTIONAL 12.1.1 Functional description Element Description /REV0... -
Page 109: Operating Condition
PECIAL QUIPMENT PTIONAL 12.1.2 Operating condition /REV0... -
Page 110: Test Condition
PECIAL QUIPMENT PTIONAL 12.1.3 Test condition /REV0... -
Page 111: Flexlink-Gas Connection
PECIAL QUIPMENT PTIONAL 12.2 FlexLink-Gas Connection 12.2.1 Setup of the FlexLink-Gas Connction Left-hand thread /REV0... -
Page 112: If Flexlink Gas Piping Is Already Installed
PECIAL QUIPMENT PTIONAL 12.2.2 If FlexLink Gas Piping Is Already Installed 30Nm /REV0... -
Page 113: Flexlink Gas Piping Still Needs To Be Installed
PECIAL QUIPMENT PTIONAL 12.2.3 FlexLink Gas Piping Still Needs To Be Installed 30Nm T016 WK001 or T019 /REV0... -
Page 114: Exchange Of Flexlink Gas Connections
PECIAL QUIPMENT PTIONAL 12.2.4 Exchange of FlexLink Gas Connections /REV0... - Page 115 PECIAL QUIPMENT PTIONAL /REV0...
- Page 116 PECIAL QUIPMENT PTIONAL /REV0...
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Page 117: A1 Description Of The Equipment
ESCRIPTION OF THE QUIPMENT Description of the Equipment A1.1 Purpose A1.2 Main Components (see “Components Supplied” on Page 17) A1.3 Operation /REV1... - Page 118 ESCRIPTION OF THE QUIPMENT /REV1...
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Page 119: A2 Tools And Auxiliary Equipment
OOLS AND UXILIARY QUIPMENT Tools and Auxiliary Equipment A2.1 Customer-Supplied Materials and Equipment for Installation and Commissioning A2.2 Materials A2.3 Hoisting and Climbing or Lifting Equipment A2.4 Tools, Test Equipment and Auxiliary Equipment /REV8... -
Page 120: A2.4.1 Tool Recommendations
OOLS AND UXILIARY QUIPMENT A2.4.1 Tool Recommendations Tool Description Illustration /REV8... - Page 121 OOLS AND UXILIARY QUIPMENT Tool Description Illustration /REV8...
- Page 122 OOLS AND UXILIARY QUIPMENT Tool Combinations Tool Illustration Comment /REV8...
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Page 123: A2.5 Greases For Installation, Commissioning And Maintenance
OOLS AND UXILIARY QUIPMENT A2.5 Greases for Installation, Commissioning and Maintenance Abbre- Name Lubricating Function Application viation Grease /REV8... -
Page 124: A2.6 Locking Adhesives For Installation, Commissioning And Maintenance
OOLS AND UXILIARY QUIPMENT A2.6 Locking Adhesives for Installation, Commissioning and Maintenance Abbre- Name of Locking Adhe- Function Application viation sive A2.7 Measuring Devices for Checking Gas Quality Tool Description Illustration /REV8... -
Page 125: A2.8 Tools For Reconditioning
OOLS AND UXILIARY QUIPMENT A2.8 Tools for Reconditioning Tool Description Illustration /REV8... -
Page 126: A2.9 Auxiliary Materials And Supplies
OOLS AND UXILIARY QUIPMENT Tool Description Illustration A2.9 Auxiliary Materials and Supplies Description Quantity /REV8... -
Page 127: A3 Replacement Parts And Accessories
EPLACEMENT ARTS AND CCESSORIES Replacement Parts and Accessories Replacement Parts List "R" = Always Recommended Description Replacement Parts List "U" = Useful for 5 Devices or More Description Replacement Parts List "P" = Keep on hand if there are a large number of devices or to shorten repair time Description /REV5... -
Page 128: A3.1 Servicing Equipment
EPLACEMENT ARTS AND CCESSORIES Other Replacement Parts and Accessories Description A3.1 Servicing Equipment Description /REV5... -
Page 129: A3.2 Replacement Of Arcing Contacts
EPLACEMENT ARTS AND CCESSORIES A3.2 Replacement of Arcing Contacts Description Quantity A3.3 Replacement Parts for Installation Work on Post Insulator and Crankcase Description Quantity /REV5... - Page 130 EPLACEMENT ARTS AND CCESSORIES /REV5...
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Page 131: A4 Handling Used Sulfur Hexafluoride
ANDLING ULFUR EXAFLUORIDE Handling Used Sulfur Hexafluoride How do you ensure that used SF will be handled correctly? What requirements must the operator meet? How is used SF handled? /REV2... - Page 132 ANDLING ULFUR EXAFLUORIDE /REV2...
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Page 133: A5 Technical Description
ECHNICAL ESCRIPTION Technical Description A5.1 Technical Data: Circuit Breaker Type GL 310-GL 311 /REV0... -
Page 134: Technical Data: Circuit Breaker Type Gl 312 - Gl 313
ECHNICAL ESCRIPTION A5.2 Technical Data: Circuit Breaker Type GL 312 - GL 313 /REV0... -
Page 135: A5.3 Technical Data: Spring Operating Mechanism
ECHNICAL ESCRIPTION A5.3 Technical Data: Spring Operating Mechanism /REV0... - Page 136 ECHNICAL ESCRIPTION /REV0...
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Page 137: A6 Slow Operation For Maintenance Purposes
PERATION FOR AINTENANCE URPOSES Slow Operation for Maintenance Purposes Introduction Safety Precautions Requirements for Executing Manual Operations /REV3... - Page 138 PERATION FOR AINTENANCE URPOSES Safety in General Perform only manipulations that comply with these instruc- tions. DANGER Personal Safety When Performing Manipulations on the Operating Mechanism After control voltage has been interrupted, discharge the springs by executing opening, closing and opening opera- WARNING tions using the manual releases.
- Page 139 PERATION FOR AINTENANCE URPOSES Product Safety Only operate the spring mechanism when the circuit breaker is connected. CAUTION Operate the spring mechanism only with a circuit breaker in which the gas pressure is above the minimum value for CAUTION mechanical operation. Always keep the inside of the spring mechanism free of dust.
- Page 140 PERATION FOR AINTENANCE URPOSES Preparing the Spring Mechanism for Manual Operations Preparing the Cabinet Then Locking the Manual Releases Prevent inadvertent manual actuation of the spring mechanism by locking manual trip devices or releases. WARNING /REV3...
- Page 141 PERATION FOR AINTENANCE URPOSES Then /REV3...
- Page 142 PERATION FOR AINTENANCE URPOSES Locking the Undervoltage Releases Then /REV3...
- Page 143 PERATION FOR AINTENANCE URPOSES Locking the Closing Latch if the Closing Spring is Charged Prevent inadvertent manual actuation of the spring mechanism by locking the closing latch. WARNING Removing the Safety Plate /REV3...
- Page 144 PERATION FOR AINTENANCE URPOSES Executing a Slow Closing Operation Checking the Operating State of the Circuit Breaker and the Spring Mechanism Position of Position Indicator Tools Required /REV3...
- Page 145 PERATION FOR AINTENANCE URPOSES Installing the Slow Operation Device Closing Manually /REV3...
- Page 146 PERATION FOR AINTENANCE URPOSES Operating State after Slow Closing Position of Position Indicator Removing the Slow Operation Device Executing a Slow Opening Operation Checking the Operating State of the Circuit Breaker and the Spring Mechanism Position of Position Indicator Tools Required /REV3...
- Page 147 PERATION FOR AINTENANCE URPOSES Installing the Slow Operation Device Removing Pressure from the Opening Latch /REV3...
- Page 148 PERATION FOR AINTENANCE URPOSES Loosening the Manual Release Locking Device /REV3...
- Page 149 PERATION FOR AINTENANCE URPOSES Opening Manually /REV3...
- Page 150 PERATION FOR AINTENANCE URPOSES Removing the Slow Operation Device Relocking the Manual Releases Operating State of the Spring Mechanism after the Slow Open- ing Operation Position of Position Indicator /REV3...