Traction Rolling Stock - Indian Railways Institute of Electrical ...

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8.15.3 One copy of the certificate will be kept by the issuing shed/depot. One copy will be attached to the loco logbook. 8.15.4 The inspection for issue of the certificate will be conducted by a supervisor from the maintenance side and Shunter or Driver from the running side. 8.15.5 After the joint inspection, the details of the observations will be recorded in the certificate and jointly signed by the supervisor and Driver/Shunter. 8.15.6 After the joint inspection, if any dispute arises between the running and maintenance staff over the fitness of the engine, the matter will be referred to the TLC, whose instructions will be binding on the Driver and maintenance staff. 8.15.7 Once a shed/outstation depot issues a certificate, the previous one will be automatically cancelled. The cancelled certificate should be removed from the logbook and sent to the homing shed for record.
9. SAFETY & FIRE PREVENTION PRECAUTIONS 9.1 FIREFIGIITING APPLIANCES FOR ELECTRIC ROLLING STOCK Every electric locomotive should be provided either with 2 number of 4 kg capacity or 4 numbers of 1.25 kg capacity Halon type fire extinguishers to IS 11108, one in each cab and remaining in each corridor. The fire extinguishers shall be fixed on brackets at approved points in the cabs and corridors. The ATFR on duty will be responsible for ensuring that the locos leave with the full complement of fire extinguishers. Sufficient number of spare fire extinguishers should be available with the ATFR to replace defective and damaged fire extinguishers. In exceptional circumstances CEE may authorize change in complement and / or type of the fire extinguishers. On EMU, 2 number of 2.5 capacity Halon type fire extinguisher should be provided in each of the cabins occupied by motorman and guard and also 1 number of Halon type extinguisher of the same capacity should be provided in each motor-coach of EMU. As in the case of other passenger trains, the Operating Department will be responsible for custody of the fire extinguisher and their issue to the guard at the originating station of each EMU rake. All the staff of electrical department connected with the running and operation of trains should be duly trained for fire fighting and use of fire extinguishers within the locos and EMUs. 9.2 FIRE PREVENTION IN ELECTRIC LOCO RDSO has issued detailed guidelines for prevention of fire on electric locomotives vide document No.E-21/08/93 issued in June 1993.Important maintenance practices to be followed are given below: 9.2.1 The presence of a large quantity of oil in the transformers and tap changers of electric locos and EMUs makes it possible for even minor fires to spread and assume serious proportion. Spillage of oil from exhausters and compressors results in accumulation of oil on the loco flooring causing spread of fires. An essential step in prevention of fires in locos in therefore, to control the leakage of oil from exhausters, compressors and pipeline and to arrange periodic cleaning of the locos to remove accumulated oil. Always use funnel of proper shape for topping of oil to prevent spillage. 9.2.2 The arcing horns of contactors should be properly attended to during inspection. The arc-chute should be properly secured and the securing arrangement periodically checked. The arc-chute should also be cleaned during inspections. 9.2.3 In addition to periodic cleaning of the bogies and under frame to remove oily dust, it is also important that rheostic and regenerative braking, where provided, is kept in working order and drivers trained to make use of these on graded sections, obviating the need for heavy mechanical braking as far as possible thus preventing spark from brake blocks. 9.2.4 Rating of the fuses particularly of low voltage dc circuits are to be checked periodically
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PREFACE The book on "Traction Rolli
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A.C. LOCO EQUIPMENTS 1.1: ROOF EQUI
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Fig.1.1.3
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Leg I A I = 704 cm 2 (Regulating tr
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Voltage Primary output : Primary ma
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y the main shaft through gear arran
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Base load … 500 ohms,300W (12nos.
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1.4.6 Over-voltage Over -voltage in
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2.3 BOGIE COMPONENTS Bogie of a loc
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Fig. 2.5. Primary and secondary sus
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2.8 BOGIE OF WAG/7 This is a 3 axle
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Fig. 1. Single Reduction Gear Drive
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FIG.3.6 ROTOR HOLLOW SHAFT DRIVE
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5. POWER CONTROL AND AUXILIARY CIRC
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Permanent field weakening resistanc
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5.4.1 Arno converter (CVAR) The sin
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pantographs 1 and 2 are lowered. Po
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the tap changer comes to a standsti
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d) The tap changer GR must be at po
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5.7.3.1 Control of transformer tap
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VE2. The limit contacts of 61-62 fo
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With multiple unit operation the ma
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elay Q48. If the wheels on one bogi
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5.9.1.4 Lamp LSGR (Green) Tap chang
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cabs are controlled by means of the
Page 73 and 74: 6. AIR COMPRESSOR 6.0 INTRODUCTION
Page 75 and 76: 6.3 COMPRESSOR DETAILS Model : TRC
Page 77 and 78: 1) Type & Make : 1) Northey Type 25
Page 79 and 80: one shaft to the other, and maintai
Page 81 and 82: 7. BRAKE SYSTEM OF ELECTRIC LOCOMOT
Page 83 and 84: y the driver’s vacuum brake valve
Page 87 and 88: 7.2 DUAL BRAKE SYSTEM ON ELECTRIC L
Page 89 and 90: is run to maintain vacuum in the sy
Page 91 and 92: 1. MR equalising pipe 2. BC equalis
Page 97 and 98: 7.2.11 Gauges There are five gauges
Page 99 and 100: akes. e) When Driver makes an emerg
Page 101 and 102: train. Failure of the orange lamps
Page 104 and 105: 8. MAINTENANCE, AND OVERHAUL SCHEDU
Page 106 and 107: e made to increase the interval bet
Page 108 and 109: 8.5.2.6 Battery: Check and record b
Page 110 and 111: cab 1 a) Raising of pantograph. b)
Page 112 and 113: d) Check containers of batteries fo
Page 114 and 115: Section E4 Carry out following: a)
Page 116 and 117: f) Inspect all resistance, includin
Page 118 and 119: ) Check capacitor of headlight stab
Page 120 and 121: 8.11.4.12 Speedometers- Calibration
Page 124 and 125: to eliminate the possibility of fir
Page 126 and 127: invariably be a member of the inqui
Page 128 and 129: Two capacitors of 0.05 microfarads
Page 130 and 131: Notch 18 T3 and T8 closed, connecti
Page 132 and 133: These machines are capacitor start
Page 134: The main lighting circuits are fed
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