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Instruction Book 

IB182221EN

Supersedes December 2016
Effective September 2017

AM-13.8-GT Ground and Test Device (Cable or Hard Bus Type Device Available)

(Cable Type Device Shown)

AM-4.16-GT Ground and Test Device (Hard Bus Type Device)

GE AM [Cable or Hard Bus Application]

Ground and Test Device

Summary of Contents for AM-13.8-GT

Page 1: ...ber 2016 Effective September 2017 AM 13 8 GT Ground and Test Device Cable or Hard Bus Type Device Available Cable Type Device Shown AM 4 16 GT Ground and Test Device Hard Bus Type Device GE AM Cable or Hard Bus Application Ground and Test Device ...

Page 2: ...office should be consulted Sale of the product shown in this literature is subject to the terms and conditions outlined in appropriate Eaton selling policies or other contractual agreement between Eaton and the purchaser THERE ARE NO UNDERSTANDINGS AGREEMENTS WARRANTIES EXPRESSED OR IMPLIED INCLUDING WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE OR MERCHANTABILITY OTHER THAN THOSE SPECIFICALLY SE...

Page 3: ...USHINGS AND DISCONNECTING CONTACT ASSEMBLIES 17 4 3 INTERLOCKS 17 4 4 GROUNDING CONTACTS 17 SECTION 5 INSPECTION INSTALLATION 18 5 1 EXAMINATION FOR DAMAGE 18 5 1 1 NAMEPLATE VERIFICATION 18 5 2 DEVICE AMPERAGE CONVERSION PROCEDURE 18 5 3 INSTALLATION OF GROUNDING CABLES 19 5 4 INSTALLATION OF GROUNDING BUS BARS 20 5 5 INSERTION PROCEDURES 20 5 6 REMOVAL PROCEDURE 21 SECTION 6 INSPECTION AND MAINT...

Page 4: ...THIS DEVICE MUST BE DEVELOPED BY THE USER WARNING SATISFACTORY PERFORMANCE OF THESE GROUND AND TEST DEVICES IS CONTINGENT UPON PROPER APPLICATION CORRECT INSTALLATION AND ADEQUATE MAINTENANCE THIS INSTRUCTION BOOK MUST BE CAREFULLY READ AND FOLLOWED IN ORDER TO OBTAIN OPTIMUM PERFORMANCE FOR LONG USEFUL LIFE OF THE GROUND AND TEST DEVICES THESE GROUND AND TEST DEVICES ARE PERSONNEL PROTECTIVE DEVI...

Page 5: ...or Hard Bus Application Ground and Test Device Table 2 GE AM 4 16 Ground and Test Device Dimensions Hard Bus Application G T Device Type Existing Circuit Breaker Rated Continuous Current at 60 Hz Amps A B C D E AM 4 16 250 1200 2000 10 32 6 00 16 39 32 25 40 43 A B B C D E ...

Page 6: ...e or Hard Bus Application Ground and Test Device Table 3 GE AM 4 16 Ground and Test Device Dimensions Hard Bus Application G T Device Type Existing Circuit Breaker Rated Continuous Current at 60 Hz Amps A B C D E AM 4 16 350 3000 15 32 9 13 26 00 44 00 52 45 A B B C D E ...

Page 7: ...d and Test Device Table 4 GE AM 13 8 Ground and Test Device Dimensions Cable or Hard Bus Application G T Device Type Existing Circuit Breaker Rated Continuous Current at 60 Hz Amps A B C D E AM 13 8 1200 2000 15 75 9 75 26 30 52 50 54 20 AM 13 8 750T 1200 2000 15 75 9 75 26 30 52 50 62 20 A B B C D E ...

Page 8: ... enclosure before performing any maintenance Failure to do so could result in electrical shock leading to death severe personnel injury or property damage Do not leave the Ground and Test Device in an intermediate position in the circuit breaker compartment Always have the Ground and Test Device either in the DISCONNECT or CONNECTED position Failure to do so could result in a flash over and possib...

Page 9: ...ls and to the ground connections provided on the G T device Grounding Shorting Bars If applicable AM 4 16 Style 94G2105H29 AM 13 8 Style 94G2100H30 Three grounding shorting bars are furnished only on hard bus type G T devices These bars may be positioned for grounding either the three upper or the three lower terminals of a six terminal device as required Bars are configured to prevent closing the...

Page 10: ...3 8 500 Cable Type Device 1200 2000 810 13 8 500 1200 830 13 8 750T Cable Type Device Single Terminal Set 1200 2000 935 Note N All G T devices listed in this table are hard bus type dual terminal devices unless otherwise stated 3 2 HANDLING WARNING DO NOT USE ANY LIFTING DEVICE AS A PLATFORM FOR PERFORMING MAINTENANCE REPAIR OR ADJUSTMENT THE GROUND AND TEST DEVICE MAY SLIP OR FALL CAUSING SEVERE ...

Page 11: ...Test Device Figure 3 3 a Front External View of GE AM 4 16 250 G T Device Hard Bus Type Device 1 8 7 3 4 6 5 9 2 Front External View 1 Primary Disconnects 4 Bushing Knob Holder 7 Grounding Cable 2 Code Plate 5 Door Latch 8 Lock Out 3 Bushing Knob Retainer Jam Screw 6 Ground Shunt Storage 9 Kirk Key Interlock ...

Page 12: ...w eaton com GE AM Cable or Hard Bus Application Ground and Test Device Figure 3 3 b Rear External View of GE AM 4 16 250 G T Device Hard Bus Type Device Rear External View 1 Lifting Points 3 Ground Contact 2 Lifting Rails 4 Phase Barriers 1 2 3 4 1 4 ...

Page 13: ... www eaton com GE AM Cable or Hard Bus Application Ground and Test Device Front External View 1 Primary Disconnects 3 Lock Out 2 Code Plate 4 Kirk Key Interlock Figure 3 3 c Front External View of GE AM 13 8 G T Device Hard Bus Type Device 1 3 4 2 ...

Page 14: ...EN September 2017 www eaton com GE AM Cable or Hard Bus Application Ground and Test Device Figure 3 3 d Rear External View of GE AM 13 8 G T Device Hard Bus Type Device Rear External View 1 Lifting Points 2 Grounding Contact 2 1 1 ...

Page 15: ...le or Hard Bus Application Ground and Test Device Front External View 1 Primary Disconnects 3 Code Plate 5 Grounding Cable 2 Lock Out 4 Kirk Key Interlock 6 Cable Grounding Connection Figure 3 3 e Front External View of GE AM 13 8 G T Device Cable Type Device 1 6 4 5 3 2 ...

Page 16: ...EN September 2017 www eaton com GE AM Cable or Hard Bus Application Ground and Test Device Figure 3 3 f Rear External View of GE AM 13 8 G T Device Cable Type Device Rear External View 1 Lifting Points 2 Grounding Contact 2 1 1 4 ...

Page 17: ...e Ground and Test Device consist of six silver plated conductors Solid Stab type primary disconnecting contacts at the ends of the conductors provide means for connecting and disconnecting the G T device to the bus terminals in the swtichgear circuit breaker compartment 4 3 INTERLOCKS The only interlocks associated with these Ground and Test Devices are the Kirk Key interlocks located on the front...

Page 18: ...gs with silver plated copper conductor knobs Figure 3 3 Primary disconnecting contacts are attached to the knobs these primary disconnects are configured to engage the circuit breaker compartment primary disconnects It is critical to confirm that 1200A primary disconnects are installed prior to insertion in 1200A circuit breaker compartments likewise for tests in 2000A circuit breaker compartments...

Page 19: ...de plate is located on the left hand side of the G T as one faces the device located approximately half way back approximately six inches from the floor Figure 5 4 Interference blocking is provided by a cylindrical post that is threaded into the code plate bracket Using a flat blade screw driver remove the post and move it to its appropriate position g For AM13 8 G T 1200A circuit breaker compartm...

Page 20: ...g bus bar Figure 3 1 e to the internal terminal corresponding to each phase Figure 5 8 Grounding bar can only be installed one way Take care to align the mounting bolts with the integral nut block behind the copper terminal Do not fully tighten the mounting hardware e Attach the other end of the grounding bus bar to the horizontal ground bar Figure 5 8 with the included 1 5 inch long hex bolt For ...

Page 21: ...sides of the circuit breaker compartment This is the disconnect position To elevate the G T device position the elevating control selector switch on the elevating motor to RAISE Engage the elevating motor by pulling the clutch handle just above the elevating motor clutch engages to raise the G T device Figure 5 12 While elevating ensure that the shutter slides open and the bushings center with res...

Page 22: ...ree cloth If a solvent is required to cut dirt use isopropyl alcohol Hardware Visually inspect all hardware Replace any damaged or missing hardware with parts equivalent to those provided with the Ground and Test Device Power Frequency Withstand Test Individually energize each terminal without cables but with insulating barriers with the frame and device ground connection system and all other term...

Page 23: ...depending upon the service severity and continuity requirements Each customer should develop his own level based on operating experience 7 1 1 ORDERING INSTRUCTIONS Always specify the Ground and Test Device rating information and general order number from the nameplate Describe the item give the style number and specify the quantity required Specify the method of shipping desired Send all orders o...

Page 24: ...evard Cleveland OH 44122 United States Eaton com 2017 Eaton All Rights Reserved Printed in USA Publication No IB182221EN September 2017 Eaton is a registered trademark All trademarks are property of their respective owners ...

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