Type B Vital Relays - Alstom

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Preventive Maintenance Table 4–2. Typical B1 Relay Visual Inspection Procedure Step Procedure 1 Check that the relay cover and seal are not cracked, broken or discolored. 2 Verify that relay components are not loose inside the cover. COMPRESSION SPRING COVER COIL SPRING STUD ARMATURE STOP SCREW BRIDGE OR ARM. EXTENSION PUSHER BACK CONTACT HEEL CONTACT FRONT CONTACT CONTACT PRONGS BASE CONTACT GROUP PRESSURE PLATES STOP PLATES PUSHER JAW PUSHER RETAINING CLIPS ROLLER ON FINGER ARMATURE ARMATURE RETAINING PLATE ADJ. NUT LOCK NUT YOKE NUT ARMATURE BEARING PLATE NAME PLATE SAFETY PIN COIL REGISTRATION COIL PLATES PRONGS ADJUSTABLE RESIDUAL SCREW 3 Verify the contacting surfaces are clean, smooth, and not bent or mis-aligned. CORE P1457, Rev. Nov/07 4–4 Alstom Signaling Inc.
Preventive Maintenance Table 4–2. Typical B1 Relay Visual Inspection Procedure (Cont.) Step Procedure 4 Verify that normally open co-acting contacts meet squarely and simultaneously when relay is energized. Contacts should have wipe as armature goes through to its front stop. When relay is deenergized, normally closed contacts should meet squarely and simultaneously. Contacts should have wipe as armature goes to its backstop. During pick up and drop away, armature must move freely on its bearing plate. 5 If components inside the cover are loose, mis-aligned, or required cleaning, remove and replace the relay. 6 If a relay is removed for any reason during the inspection procedure, the mechanical tests in Section 6 may be performed as specified. The relay may not be returned to service until the operating characteristics and conditions are in accordance with Alstom ED sheet specifications. P1457, Rev. Nov/07 4–5 Alstom Signaling Inc.
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Type B Vital Relays Copyright © 19
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LIST OF EFFECTIVE PAGES P1457, Type
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PREFACE NOTICE OF CONFIDENTIAL INFO
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ABOUT THE MANUAL This manual is int
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MANUAL SPECIAL NOTATIONS In the Als
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Topic TABLE OF CONTENTS Page 1. SEC
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Topic TABLE OF CONTENTS (CONT.) Pag
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Description LIST OF FIGURES (CONT.)
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Description LIST OF TABLES Page Tab
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General Description 1. SECTION 1 -
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General Description 1.2.2. Identifi
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General Description 1.2.3. Relay Pr
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General Description 1.2.4. Mounting
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General Description The registratio
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General Description 1.2.7.2. Test T
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General Description 16 26 36 46 56
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General Description 1.2.10. Relay C
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Theory of Operation 2. SECTION 2 -
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Theory of Operation 2.2. RELAY CONT
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Theory of Operation 2.2.2.1. Contac
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Theory of Operation 2.2.2.3. Heavy-
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Theory of Operation 2.2.3. Coils A
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P1457, Rev. Nov/07 2-11 Alstom Sign
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Theory of Operation 2.3. BIASED-NEU
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Theory of Operation 2.4. DC LINE RE
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Theory of Operation S NO VOLTAGE N
Page 55 and 56: Theory of Operation R N NORMAL CONT
Page 57 and 58: Theory of Operation 2.4.4. Microchr
Page 59 and 60: Theory of Operation 2.4.4.2.2. Appl
Page 61 and 62: Theory of Operation Group Space- Fr
Page 63 and 64: Theory of Operation 2.4.4.3.1. Appl
Page 65 and 66: Theory of Operation 2.5. DC SPECIAL
Page 67 and 68: Theory of Operation (FRONT VIEW) 1E
Page 69 and 70: Theory of Operation 2.5.4. Switch-O
Page 71 and 72: Theory of Operation TRACK CIRCUIT E
Page 73 and 74: Theory of Operation 2.5.6. Code Rat
Page 75 and 76: Theory of Operation 2.5.7. Code-Fol
Page 77 and 78: Theory of Operation Figure 2-38. VT
Page 79 and 80: Theory of Operation Figure 2-41 sho
Page 81 and 82: Theory of Operation VANE CONTACTS P
Page 83 and 84: Theory of Operation EDDY CURRENT IN
Page 85 and 86: Theory of Operation In each snapsho
Page 87 and 88: Installation 3. SECTION 3 - INSTALL
Page 89 and 90: Installation Table 3-2. B Relay Ins
Page 91 and 92: Installation Table 3-2. B Relay Ins
Page 93 and 94: Installation Table 3-3. Microchron
Page 99 and 100: Installation Table 3-5. AC Microchr
Page 101 and 102: Installation Table 3-5. AC Microchr
Page 103 and 104: Preventive Maintenance 4. SECTION 4
Page 105: Preventive Maintenance 4.3. PREVENT
Page 109 and 110: Preventive Maintenance Table 4-3. V
Page 111 and 112: Preventive Maintenance 4.5. ELECTRI
Page 113 and 114: Preventive Maintenance 4.5.1. AC Li
Page 115 and 116: Preventive Maintenance 4.5.3. Biase
Page 117 and 118: Preventive Maintenance 4.5.5. Code
Page 119 and 120: Preventive Maintenance 4.5.7. Micro
Page 121 and 122: Preventive Maintenance 4.5.9. Polar
Page 123 and 124: Preventive Maintenance 4.5.11. Swit
Page 125 and 126: Troubleshooting 5. SECTION 5 - TROU
Page 127 and 128: Troubleshooting Table 5-1. Troubles
Page 129 and 130: Troubleshooting DC RELAY DOES NOT R
Page 131 and 132: Troubleshooting AC VANE RELAY DOES
Page 133 and 134: Troubleshooting MICROCHRON II TIMER
Page 135 and 136: Corrective Maintenance 6. SECTION 6
Page 137 and 138: Corrective Maintenance Table 6-2. B
Page 139 and 140: Corrective Maintenance Table 6-2. B
Page 141 and 142: Corrective Maintenance Table 6-4. T
Page 143 and 144: Corrective Maintenance NOTE For det
Page 145 and 146: Corrective Maintenance 6.4.4. Curre
Page 147 and 148: Corrective Maintenance 6.5. MECHANI
Page 149 and 150: Corrective Maintenance Table 6-10.
Page 151 and 152: Corrective Maintenance 6.5.2. Mecha
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Corrective Maintenance 6.5.3. Micro
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Corrective Maintenance Table 6-12.
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Corrective Maintenance Table 6-13.
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Parts Catalog 7. SECTION 7 - PARTS
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Parts Catalog 7.4. B1 BIASED-NEUTRA
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Parts Catalog Table 7-2. B1 Neutral
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Parts Catalog 7.5. B1 CODE-RESPONSI
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Parts Catalog 46F Figure 7-3. B1 Co
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Parts Catalog Table 7-3. B1 Code-Re
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Parts Catalog Table 7-3. B1 Code-Re
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Parts Catalog 7.7. B1 ELECTRONICALL
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Parts Catalog Table 7-4. B1 Slow Pi
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Parts Catalog Table 7-5. B2 Neutral
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Parts Catalog 7.9. B2 BIASED-NEUTRA
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Parts Catalog Table 7-6. B2 Biased-
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Parts Catalog Table 7-7. B2 Vane Re
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Parts Catalog 7.11. B2 AC VANE RELA
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Parts Catalog Table 7-8. B2 Vane Re
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Parts Catalog Figure 7-10. B2 Code
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Parts Catalog Table 7-9. B2 Code Ra
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Parts Catalog Table 7-9. B2 Code Ra
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Parts Catalog FRONT VIEW 1 2 3 4 5
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Parts Catalog Table 7-10. B2 Microc
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Parts Catalog 7.14. B2 AC MICROCHRO
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Parts Catalog Table 7-11. B2 AC Mic
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Parts Catalog 7.15. TYPE VTB POLAR-
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Parts Catalog Table 7-12. VTB Polar
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Parts Catalog Table 7-12. VTB Polar
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Parts Catalog MARKED END OF MAGNET
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Parts Catalog NOTE 1 When ordering
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Parts Catalog , 3B 31 E 25A 25B 30
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Parts Catalog Table 7-16. B Relay P
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Parts Catalog Table 7-16. B Relay P
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Parts Catalog 7.18. B RELAY REGISTR
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Parts Catalog Table 7-17. B Relay R
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Relay Engineering Data (ED) sheet L
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Glossary B. APPENDIX B - GLOSSARY B
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Glossary Overpressure - • Dead We
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Tools and Kits C. APPENDIX C - TOOL
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Tools and Kits 1 A B AAR CRIMP TOOL
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Tools and Kits C.3. SHOP TEST RACK
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Tools and Kits The vane relay test
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FOR QUESTIONS AND INQUIRIES, CONTAC
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