Type B Vital Relays - Alstom

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Corrective Maintenance 6.5.1. Relay Structure Inspection Before performing any adjustments or tests on a relay, the relay structure must be visually inspected. Section 7, Parts List, provides a comprehensive list and illustrations for all of the components of the typical B relay. This procedure applies to typical B relays and Microchron II Timer relays. Table 6–10. Relay Structure Inspection Procedure Step Procedure 1 If any of the following conditions are not met, take note of the problem and correct it during the mechanical test. NOTE This procedure includes correcting identified problems. This procedure must be followed by relay mechanical and electrical tests. 2 Check that the relay cover and seal are not cracked, broken or discolored. 3 Break the cover seal and unscrew the knurled nuts. WARNING BREAKING THE RELAY COVER SEAL VOIDS THE WARRANTY ON THE RELAY. GUIDE ROD TUBE 4 Remove the two round rubber washers and the cover. KNURLED NUTS P1457, Rev. Nov/07 6–14 <strong>Alstom</strong> Signaling Inc.
Corrective Maintenance Table 6–10. Relay Structure Inspection Procedure (Cont.) Step Procedure 5 Remove contact group dust shield. Verify that the relay contact groups and mounting screws are tight. Tighten, if necessary. Replace contact group dust shield. 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 CORE NOTE: SOME PARTS MAY DIFFER IN DETAIL FROM THOSE SHOWN ABOVE BUT NAME DESIGNATION REMAINS THE SAME. 6 Verify that the pusher retaining clips are properly assembled and do not bind on pusher, thus allowing free movement of pusher. The pusher clips cannot be adjusted or reassembled, replace if necessary. 7 Verify that the pusher is not bent, broken or cracked due to being forced on the bridge (armature extension). Replace, if necessary. P1457, Rev. Nov/07 6–15 <strong>Alstom</strong> 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
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Theory of Operation R N NORMAL CONT
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Theory of Operation 2.4.4. Microchr
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Theory of Operation 2.4.4.2.2. Appl
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Theory of Operation Group Space- Fr
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Theory of Operation 2.4.4.3.1. Appl
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Theory of Operation 2.5. DC SPECIAL
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Theory of Operation (FRONT VIEW) 1E
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Theory of Operation 2.5.4. Switch-O
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Theory of Operation TRACK CIRCUIT E
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Theory of Operation 2.5.6. Code Rat
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Theory of Operation 2.5.7. Code-Fol
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Theory of Operation Figure 2-38. VT
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Theory of Operation Figure 2-41 sho
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Theory of Operation VANE CONTACTS P
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Theory of Operation EDDY CURRENT IN
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Theory of Operation In each snapsho
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Installation 3. SECTION 3 - INSTALL
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Installation Table 3-2. B Relay Ins
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Installation Table 3-2. B Relay Ins
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Installation Table 3-3. Microchron
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Installation Table 3-3. Microchron
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Page 99 and 100: Installation Table 3-5. AC Microchr
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Page 103 and 104: Preventive Maintenance 4. SECTION 4
Page 105 and 106: Preventive Maintenance 4.3. PREVENT
Page 107 and 108: Preventive Maintenance Table 4-2. T
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: Corrective Maintenance 6.5. MECHANI
Page 151 and 152: Corrective Maintenance 6.5.2. Mecha
Page 153 and 154: Corrective Maintenance Table 6-11.
Page 157 and 158: Corrective Maintenance 6.5.3. Micro
Page 163 and 164: Parts Catalog 7. SECTION 7 - PARTS
Page 165 and 166: Parts Catalog 7.4. B1 BIASED-NEUTRA
Page 167 and 168: Parts Catalog Table 7-2. B1 Neutral
Page 169 and 170: Parts Catalog 7.5. B1 CODE-RESPONSI
Page 171 and 172: Parts Catalog 46F Figure 7-3. B1 Co
Page 173 and 174: Parts Catalog Table 7-3. B1 Code-Re
Page 175 and 176: Parts Catalog Table 7-3. B1 Code-Re
Page 177 and 178: Parts Catalog 7.7. B1 ELECTRONICALL
Page 179 and 180: Parts Catalog Table 7-4. B1 Slow Pi
Page 181 and 182: Parts Catalog Table 7-5. B2 Neutral
Page 183 and 184: Parts Catalog 7.9. B2 BIASED-NEUTRA
Page 185 and 186: Parts Catalog Table 7-6. B2 Biased-
Page 187 and 188: Parts Catalog Table 7-7. B2 Vane Re
Page 189 and 190: Parts Catalog 7.11. B2 AC VANE RELA
Page 191 and 192: Parts Catalog Table 7-8. B2 Vane Re
Page 193 and 194: Parts Catalog Figure 7-10. B2 Code
Page 195 and 196: 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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