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Summary of Contents for Powell PowlVac ARG 4 Series
- Page 1 Powered by Safety ® Instruction Bulletin - 01.4IB.50023A PowlVac® Electrically Operated 15kV Ground and Test Device 15kV Electrically Operated G&T per Long Island Railroad Specifications...
- Page 2 PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Contact Information Powell Electrical Systems, Inc. powellind.com info@powellind.com Service Division 7232 Airport Blvd. Houston, Texas 77061 Tel: 800.480.7273 Powered by Safety ®...
- Page 3 01.4IB.50023A Signal Words Qualified Person As stated in ANSI Z535.4-2002, § 4.13-4.13.3 the For the purposes of this manual, a qualified person, signal word is a word that calls attention to the as stated in NFPA 70®, is one familiar with the safety sign and designates a degree or level of construction and operation of the equipment and hazard seriousness.
- Page 4 PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications This page is intentionally left blank. Powered by Safety ®...
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Page 5: Table Of Contents
01.4IB.50023A Contents Ch 1 General Information ....................1 A. S ................................2 cope B. p ................................2 urpoSe c. I ....................2 nStructIon ulletInS vAIlABle lectronIcAlly Ch 2 Safety ........................3 A. S ............................3 ondItIon B. S ...............................4 Afety uIdelIneS c. G ................................4 enerAl d. S ................................5 pecIfIc e. - Page 6 PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Contents Ch 4 Installation ......................21 A. r ................................ 21 eceIvInG B. h ............................... 21 AndlInG c. S ................................. 22 torAGe d. e ..........................22 lectrIcAl perAtIon heck 1) Test the Closing Operation of the Ground and Test Device ..................22 2) Test the Opening Operation of the Ground and Test Device ..................22 e.
- Page 7 01.4IB.50023A Contents Ch 7 Recommended Renewal Parts and Replacement Procedures ......37 A. o ............................. 37 rderInG nStructIonS B. r .......................... 37 ecommended eneWAl ArtS c. r ..........................38 eplAcement rocedureS 1) Grounding Switch Movable Contact ..........................38 2) Grounding Switch Stationary Contacts ...........................38 3) Closing Coil Assembly ................................39 4) Charging Motor Assembly ..............................39 5) Shunt Trip Coil ..................................40...
- Page 8 PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figures Figure 1 Ground and Test Device with Probes .............9 Figure 2 Ground and Test Device Right View .............10 Figure 3 Mechanism - Top View ..................12 Figure 4 Mechanism - Left View .................13 Figure 5 Mechanism and Trip Linkages ..............14...
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Page 9: Ch 1 General Information
The information in this instruction bulletin is not intended to explain all details or variations of the Powell equipment, nor to provide for every possible contingency or hazard to be met in connection with installation, testing, operation, and maintenance of the equipment. For additional information and instructions for particular problems, which are not presented sufficiently for the user’s purposes, contact Powell at 1.800.480.7273. -
Page 10: S Cope
Powell equipment. properly operate and maintain the PowlVac Ground and Test Device described in Ch 1 General Information, A. Scope. To contact the Powell Service Division call 1.800.480.7273 or email This instruction bulletin provides: info@powellservice.com. 1. Safety guidelines For specific questions or comments pertaining 2. -
Page 11: Ch 2 Safety
01.4IB.50023A Ch 2 Safety N Exception No. 1: An adequately rated permanently mounted test device shall be A. S permitted to be used to verify the absence of ondItIon voltage of the conductors or circuit parts at The information in Section A is quoted from the work location, provided it meets the all NFPA 70E 2018 - Article 120, 120.5 Establishing an following requirements: (1) It is permanently... -
Page 12: S Afety G Uidelines
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications B. S 8. Where the possibility of induced voltages Afety uIdelIneS or stored electrical energy exists, ground Study this instruction bulletin and all other the phase conductors or circuit parts associated documentation before uncrating before touching them. -
Page 13: S Pecific
01.4IB.50023A 2. Maintenance programs must be consistent 4. Use only the test probes furnished with with both customer experience and the device to plug anything into the test manufacturer’s recommendations, ports. Use of other plugs may damage the including service advisories and instruction test port or may result in a poor connection bulletin(s). -
Page 14: S Afety L Abels
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications e. S Afety ABelS The equipment described in this document has DANGER, WARNING, CAUTION, and instruction labels attached to various locations. All equipment DANGER, WARNING, CAUTION, and instruction labels shall be observed when the circuit breaker is handled, operated, or maintained. -
Page 15: Ch 3 Equipment Description
01.4IB.50023A Ch 3 Equipment Description purposes. The rating nameplate (Figure 1, i) on the front of the device will give the ratings A. G applicable to any individual device. enerAl c. p The PowlVac® Electrically Operated Ground and rImAry ISconnect tABS Test Devices stated in Ch 1 General Information,... -
Page 16: S Tored E Nergy M Echanism
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications The hinges of the three grounding contacts are in the needle bearings in the mechanism connected together by a ground bus frame side sheets and transmits the motor (Figure 3, d), which is in turn connected to a torque from the left to the right side of the... -
Page 17: Figure 1 Ground And Test Device With Probes
01.4IB.50023A Figure 1 Ground and Test Device with Probes a. Test Probes (shown with test leads attached) b. Key Lock K3 c. Racking Assembly d. Levering-In Shutter e. View Window f. Power Receptacle g. Control Selector Switch h. Key Lock K2 Nameplate Secondary Disconnect Receptacle k. -
Page 18: Figure 2 Ground And Test Device Right View
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 2 Ground and Test Device Right View a. Crank Arm Roller b. Racking Gear c. Racking Crank Arm d. Worm Gear e. Levering In Shutter Interlock f. - Page 19 01.4IB.50023A When the close latch is released by the closing down and the jackshaft to rotate, opening the coil, the closing spring pulls the camshaft ground making switch. The left had of the around and the main closing cam moves jackshaft has a connection for the opening the main linkage into the closed position.
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Page 20: Figure 3 Mechanism - Top View
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 3 Mechanism - Top View a. Grounding Switch Stationary Contacts b. Ground Making Switch Moving Contacts c. Auxiliary Switch d. Ground Bus e. Control Relay f. Stored Energy Mechanism g. -
Page 21: Figure 4 Mechanism - Left View
01.4IB.50023A Figure 4 Mechanism - Left View a. Charging Motor b. Shunt Trip Coil c. Motor Cutoff Switch d. Connecting Rod e. Close Latch Adjusting Screw Powered by Safety ® Equipment Description... -
Page 22: Figure 5 Mechanism And Trip Linkages
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 5 Mechanism and Trip Linkages a. Center Phase Operating Lever b. Jackshaft c. Primary Trip Prop Adjusting Screw d. Main Cam Roller e. Primary Trip Prop f. -
Page 23: Figure 6 Cam And Fundamental Link Positions
01.4IB.50023A Figure 6 Cam and Fundamental Link Positions Device Open - Springs Charged - Links Reset Device Open - Springs Discharged Device Closed - Springs Discharged Powered by Safety ® Equipment Description... -
Page 24: T Est P Orts
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications f. t The upper set of three (3) test ports is ortS connected to the primary disconnecting The ground and test device is equipped with devices. (Figure 7, three (3) high voltage test ports mounted on a third insulation panel on the A set of three (3) test probes... -
Page 25: I Nterlocking
01.4IB.50023A h. I position. In all other positions of the nterlockInG ground and test device, the pin on the The ground and test device is provided with shutter rides on the surface of the cam and numerous interlocks as standard features, blocks closing of the shutter which in turn and many more can be added if required by a blocks closing of the grounding switch. -
Page 26: C Ontrol R Elay
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications k. c n. k ontrol elAy ockS The control relay is mounted on the left hand The ground and test device is provided with mechanism enclosure side sheet, near the top numerous key lock interlocks and include: (Figure 3, 1) Key Lock “K1”... -
Page 27: Typical Control Schemes
01.4IB.50023A Figure 9 Typical Control Schemes 60600G13 NO C NC NO C NC 12 K 108E 108B 11 J 9 M1 106C TRIP CLOSE POSITION CONTACTS 106A 104E 104E 116E 57-1 116C RECEPTACLE SELECTOR SWITCH (FRONT VIEW) CAT. #16SBMB3 6 4 8 5 3 7 108C 106D... -
Page 28: Key Lock "K3" (Key Kb)
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications 3) Key Lock “K3” (Key KB) The key lock “K3” interlock is a single cylinder lock. The key lock “K3” interlock is used to open and lock the test port shutters. -
Page 29: Ch 4 Installation
When the ground and test device is received check for any sign of damage. If damage is found or suspected, file all claims immediately with the transportation company and notify the nearest Powell representative. Estimated size and weight for shipping a PowlVac® on a pallet: •... -
Page 30: S Torage
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications c. S d. e torAGe lectrIcAl perAtIon heck Since the ground and test device is an In order to check the basic electrical operation accessory device not normally in continuous of the ground and test device, the device must service, it is very important that it be stored be placed near a circuit breaker test cabinet. -
Page 31: I Nserting Round And
01.4IB.50023A d. Move the control selector switch to the 1) Inserting Ground and Test Device Into Upper “OFF” position and turn the test cabinet Compartment power “OFF”. Refer to Instruction Bulletin 01.4IB.51000D e. Disconnect the remote control box from for detailed procedures for this operation. the ground and test device. -
Page 32: Moving The Ground And Test Device From The Connected Position To The Disconnected Position
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications c. Insert the racking handle onto the hex 3) Moving the Ground and Test Device from shaft and rotate the handle clockwise. the Connected Position to the Disconnected When the device is being inserted into Position the compartment, the force needed... -
Page 33: Ch 5 Operating Procedures
01.4IB.50023A Ch 5 Operating Procedures Because the two-high construction of PowlVac metal-clad switchgear requires the bus connections to be located on the upper The PowlVac® Electrically Operated Ground and disconnect stabs of some compartments Test Device is designed to provide access to the and the lower disconnect stabs of other stationary primary disconnecting devices of metal-clad switchgear compartments to ground... -
Page 34: Figure 11 Control Selector Switch In Off Position
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 11 Control Selector Switch in Off Figure 13 Inserting Secondary Disconnect Plug Position 6. Move the control selector switch to the 4. Connect the remote control box to the CLOSE position. -
Page 35: P Rocedure For T Esting F Eeder
01.4IB.50023A Figure 17 Inserting Key KA into Lock K2 8. Move the control selector switch to the OFF position. 9. Turn the remote control box OFF. B. p rocedure for eStInG eeder Perform steps 1 through 9 of Ch 5 Operating Procedures, A. -
Page 36: Figure 19 Inserting Key Kb Into Key Lock K3
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 19 Inserting Key KB into Key Lock K3 5. Rotate Key KB to lock the test probes in the test ports. Key KB is now available. 6. -
Page 37: T Esting P Orts
01.4IB.50023A c. t The test probes are not high current devices. eStInG ortS They are suitable for testing procedures such The three (3) test ports provided on the front as high potential testing, phasing out circuits, of the ground and test device may be used to phase rotation testing, and primary voltage provide access to the primary disconnecting measurements. -
Page 38: Ch 6 Maintenance
Powell being scheduled. The actual reading of immediately. the operations counter should be recorded... -
Page 39: M Echanism A Rea
01.4IB.50023A 2) Lubrication CAUTION Lubricate the mechanism and other Do NOT use compressed air to clean the specified parts in accordance with the device. This may result in loose dirt or grit lubrication chart, Table A, Lubrication. being blown into bearings or other critical parts and causing excessive wear. - Page 40 PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Table A Lubrication Reference Location Lubricant Method Figure Electrical Parts Main Primary Disconnect Fingers Figure 22, a Mobilgrease 28 Wipe clean. Apply lubricant only to actual contact surface. With switch closed, wipe clean and apply as close to hinge as Grounding Switch Hinges Figure 22, b...
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Page 41: Figure 22 Lubrication
01.4IB.50023A Figure 22 Lubrication Main Primary b. Grounding Grounding d. Levering-In Worm Shaft Levering- Disconnect Switch Switch Device Worm Bearings In Shaft Fingers Hinges Contacts and Wheel Support Bearings g. Levering-In h. Spring Yoke Trip Shaft Crank Pins Motor Drive Pawls Crank Arm Pins... -
Page 42: Figure 23 Mechanism Detail - Right Side
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications a. Adjustment of Ratchet Wheel Holding clearance between the primary trip Pawl prop roller and the secondary trip prop is 0.005” to 0.015”. With a 0.015” wire The ratchet wheel holding pawl gauge between the trip bar lever and is adjusted by a nut on the outer end... -
Page 43: Electrical Operation
01.4IB.50023A With the main closing spring charged, a. Initial Kick-Off Spring Height turn the latch adjusting screw upwards Adjustment until the latch is released and the The initial height setting of the kick-off grounding switch closes. Unscrew the springs is measured with the ground adjustment screw 2½... -
Page 44: Igh P Otential T Ests
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications Figure 24 Ground Switch Contacts 1) High Voltage Insulation Integrity With the grounding switch “OPEN” wire the three upper primary stabs of the device to a high potential test set and ground the three lower primary stabs and the frame of the ground and test device. -
Page 45: Ch 7 Recommended Renewal Parts And Replacement Procedures
A. o rderInG nStructIonS that one set of parts be stocked per ten circuit breakers or less. 1. Order Renewal Parts from Powell at www.powellind.com or call 1.800.480.7273. Powell recommends that only qualified technicians perform maintenance on these 2. Always specify complete nameplate units. -
Page 46: R Eplacement P Rocedures
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications c. r Perform the following steps to replace the eplAcement rocedureS grounding switch movable contact: This section includes instructions for replacing the parts recommended as renewal parts. a. -
Page 47: Closing Coil Assembly
01.4IB.50023A c. Remove three ⁵/₁₆” bolts holding the Perform these steps to replace the closing stationary contact to the contact coil assembly: support bar. Bolt the new stationary a. Remove the upper portion of the contacts in place using the existing ground and test device front cover. -
Page 48: Shunt Trip Coil
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications c. Remove the two bolts holding the d. Insert the new trip coil assembly into motor mounting bracket to the lower the device, bolt it into place and plug it front cover and slide the motor to the into the wiring harness. -
Page 49: Latch Check Switch
01.4IB.50023A f. Reconnect all wires to the proper 8) Trip Paddle Interlock Switch terminals of the relay. The trip paddle interlock switch is located g. Close the grounding switch electrically on the right side of the mechanism just several times to ensure that the relay is above the floor pan (Figure 23, d). -
Page 50: Motor Cutoff Switch Assembly
PowlVac® Electrically Operated 15kV Ground and Test 01.4IB.50023A per Long Island Railroad Specifications 9) Motor Cutoff Switch Assembly 10) Auxiliary Switch The motor cutoff switch assembly is located The auxiliary switch is located on the left in the lower left of the ground and test hand side panel of the ground and test device, just behind the lower front cover device... -
Page 51: Primary Contact Spring Assembly
01.4IB.50023A g. Close the grounding switch electrically 12) Ground Shoe Finger Assembly several times to ensure that the auxiliary The ground shoe assembly is located at the switch operates smoothly. rear edge of the ground and test device h. Replace the upper front cover. floor pan, between the center and right 11) Primary Contact Spring Assembly poles... - Page 52 15kV Electrically Operated G&T per Long Island Railroad Specifications April 2020 Powered by Safety ® Powell Electrical Systems, Inc. Tel: 800.480.7273 Service Division - Houston powellind.com 7232 Airport Blvd • Houston, TX • 77061 info@powellind.com ©2006 Powell Industries, Inc. • All rights reserved.
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