Bogie Covered Double Decker Wagon BCACBM Manual
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Questions and Answers

What is the maximum permissible speed for the Bogie Covered Double Decker Wagon when empty?

  • 105 kmph
  • 95 kmph
  • 90 kmph
  • 100 kmph (correct)

    • How many wagons are included in a single unit of the BCACBM rake?

  • 9 wagons (correct)
  • 10 wagons
  • 7 wagons
  • 8 wagons

    • Which type of couplers are fitted on Wagon 'A'?

  • CBC couplers (correct)
  • Type-D couplers
  • Air brake couplers
  • E-type couplers

    • Which system governs the movement of the BCACBM wagon on the Indian Railway network?

    <p>RDSO Speed Certificate</p> Signup and view all the answers

    What mechanism is used to adjust the height of the upper decks in the wagons?

    <p>Diamond screw jack arrangement</p> Signup and view all the answers

    What is the designed height from rail level for the lower coupler of Wagon 'A'?

    <p>861 mm</p> Signup and view all the answers

    At what speed is the BCACBM wagon permitted to run when it is loaded?

    <p>95 kmph</p> Signup and view all the answers

    What is the maximum permissible leakage in the system in one minute for the BCACBM wagon?

    <p>0.1 kg/cm</p> Signup and view all the answers

    What is the specified brake cylinder filling time for a full service application?

    <p>18 to 30 sec</p> Signup and view all the answers

    Under what condition should the brakes not apply according to the sensitivity testing?

    <p>When brake pipe pressure is reduced by 0.3 kg/cm in 60 seconds</p> Signup and view all the answers

    What is the maximum brake cylinder pressure specified for the BCACBM wagon?

    <p>3.8 + 0.1 kg/cm</p> Signup and view all the answers

    What is the required reduction in BP pressure for a full service application?

    <p>1.3 to 1.6 kg/cm</p> Signup and view all the answers

    What is the maximum height for the CBC on Wagon-B?

    <p>861 mm</p> Signup and view all the answers

    Which component should not have packing over its axle box adapter?

    <p>CBC</p> Signup and view all the answers

    How many power-operated lifting jacks are required at the ROH depot?

    <p>5 Nos.</p> Signup and view all the answers

    What should be painted and marked as per RDSO marking diagram drawing No. WD-11013-S-26?

    <p>Station code, POH date, Base Depot</p> Signup and view all the answers

    What is the required capacity for overhead cranes mentioned for the ROH depot?

    <p>15 t</p> Signup and view all the answers

    At what point should the end swing doors be opened during loading at originating stations?

    <p>Before loading begins</p> Signup and view all the answers

    Which inspection should be performed as per RDSO instructions G-76?

    <p>Defective or worn-out parts of various components</p> Signup and view all the answers

    What should be allowed between each coat of paint during the painting process?

    <p>Sufficient drying time</p> Signup and view all the answers

    What is the requirement for hydraulic jacks at the ROH depot?

    <p>4 Nos.</p> Signup and view all the answers

    How many end flap doors should be opened after the adjustment of the required deck height for loading?

    <p>Both upper and lower deck doors</p> Signup and view all the answers

    What is the primary purpose of sending BCACBM wagons to nominated wagon repair shops for POH?

    <p>To ensure modular repair for efficiency</p> Signup and view all the answers

    Which aspect of the POH maintenance requires multiple checks and replacements in the bogie shop?

    <p>Inspecting side frames and bolster for defects</p> Signup and view all the answers

    What must be done to all side bearer liners during the POH process?

    <p>All must be replaced</p> Signup and view all the answers

    What is required of all springs during the POH, according to the instructions?

    <p>They need to be checked and replaced if defective</p> Signup and view all the answers

    What inspections are required for the wheel sets during POH?

    <p>Check for new tread profile and bearing conditions</p> Signup and view all the answers

    What should be done to all brake gear components during maintenance?

    <p>Dismantling, cleaning, and necessary repairs must be conducted</p> Signup and view all the answers

    Which of the following steps is NOT a part of the bogie shop's maintenance procedure?

    <p>Apply decorative finishes to the bogies</p> Signup and view all the answers

    What is one requirement for side bearer springs based on height during testing?

    <p>They may be replaced only if their heights are out of specified limits</p> Signup and view all the answers

    What is the function of disassembling the bogies during POH?

    <p>To fully clean and conduct necessary repairs</p> Signup and view all the answers

    What is the drawing number for the body side arrangement details of Wagon-A?

    <p>WD-11013-S-10</p> Signup and view all the answers

    Which drawing number corresponds to the arrangement of high tensile center buffer coupler?

    <p>WD-97025--S-35</p> Signup and view all the answers

    What item is included in the list of components specifically used in the BCACBM wagon?

    <p>Ratchet wrench</p> Signup and view all the answers

    What is the drawing number for the bogie general arrangement?

    <p>CONTR-9404-S/2</p> Signup and view all the answers

    Which drawing specifies the spring details for the bogie?

    <p>CONTR-9404-S/7</p> Signup and view all the answers

    What is depicted in WD-11013-S-19?

    <p>Air brake equipment and pipe layout for Wagon-A</p> Signup and view all the answers

    Which drawing number corresponds to the bogie brake gear arrangement?

    <p>CONTR-9404-S/9</p> Signup and view all the answers

    Which of the following components is NOT associated with the BCACBM wagon?

    <p>End swing door details</p> Signup and view all the answers

    What is the drawing number for the details of the brake gear arrangement?

    <p>WD-11013-S-17</p> Signup and view all the answers

    Which part of the wagon is described by the drawing number WD-11013-S-13?

    <p>Roof arrangement</p> Signup and view all the answers

    What is a critical procedure for ensuring the bogies are maintained effectively during periodic overhauling (POH)?

    <p>Side bearer parts and liners must be checked and replaced if defective.</p> Signup and view all the answers

    Which maintenance action is specifically required for the springs during the POH process?

    <p>Test all springs according to the load test chart.</p> Signup and view all the answers

    What preventive measure must be taken regarding the brake gear during maintenance?

    <p>Dismantling and cleaning of brake gear components is essential.</p> Signup and view all the answers

    Which aspect of the complete structure inspection is emphasized during POH?

    <p>Placing the complete structure on trestles for better access.</p> Signup and view all the answers

    What must be ensured about the side bearer liners during the maintenance procedure?

    <p>All liners must be checked and replaced regardless of condition.</p> Signup and view all the answers

    What is the estimated tare weight of the wagons?

    <p>35.860 T</p> Signup and view all the answers

    What is the axle load specified for the wagons?

    <p>12.680 T</p> Signup and view all the answers

    Which of the following dimensions pertains to the width over sole bars of the wagons?

    <p>2896 mm</p> Signup and view all the answers

    How many maximum cars can be included per rake?

    <p>318</p> Signup and view all the answers

    What is the overall height from rail level for the wagons?

    <p>4305 mm</p> Signup and view all the answers

    What material construction is specified for the wagon body?

    <p>IS:1079 Gr-‘O’</p> Signup and view all the answers

    What is the overall width of the roof for the wagons?

    <p>2900 mm</p> Signup and view all the answers

    At what maximum speed is the BCACBM wagon permitted to run when empty?

    <p>100 kmph</p> Signup and view all the answers

    What is the height of the CBC from rail level at the Y-end?

    <p>861 mm</p> Signup and view all the answers

    What is the primary operational characteristic of the Bogie Covered Double Decker Wagon Type 'BCACBM' regarding its rake composition?

    <p>Each unit consists of both Wagon-A and Wagon-B in a specified arrangement.</p> Signup and view all the answers

    Which aspect of the BCACBM wagon's design is crucial for accommodating different heights of automobile cars?

    <p>The diamond screw jack arrangement designed to adjust upper decks.</p> Signup and view all the answers

    What governs the operational speeds of the BCACBM wagon when running on the Indian Railway network?

    <p>The RDSO Final Speed Certificate and its amendments.</p> Signup and view all the answers

    Which of the following statements about the couplers of the BCACBM wagon is true?

    <p>Wagon-A has different coupler heights on each end designed for specific loading capacities.</p> Signup and view all the answers

    What is a critical restriction during the movement of individual wagons within the BCACBM unit?

    <p>Individual wagons must not be moved; transportation must occur as a full unit.</p> Signup and view all the answers

    At what height from the rail level is the upper coupler of Wagon-A designed?

    <p>1105mm</p> Signup and view all the answers

    What type of braking system is incorporated in the BCACBM wagon design?

    <p>Single pipe graduated release air brake system.</p> Signup and view all the answers

    What is the axle load capacity specified for the bogie in the draft gear?

    <p>22T</p> Signup and view all the answers

    During which maintenance activity is the incoming rake inspected after unloading?

    <p>Trip examination</p> Signup and view all the answers

    Which specification relates to the air brake pipe and joints for the brake system?

    <p>RDSO STR No. 04-ABR-2002.APPENDIX-IX</p> Signup and view all the answers

    What is the specified wheel diameter on tread when the wheels are new?

    <p>840 mm</p> Signup and view all the answers

    Which maintenance schedule involves the scheduled periodic checks according to Railway Board instructions?

    <p>Periodic overhauling (POH)</p> Signup and view all the answers

    What is the minimum wheel diameter on tread for worn wheels?

    <p>780 mm</p> Signup and view all the answers

    What should be maintained along the width of the upper deck during inspection?

    <p>The camber</p> Signup and view all the answers

    What should be visually inspected for defects in the wagon structure?

    <p>The sidewall stanchion deformations</p> Signup and view all the answers

    What type of air brake system is specified?

    <p>Single pipe graduated release</p> Signup and view all the answers

    Where should the trip examination for the BCACBM wagon take place?

    <p>At nominated 'Base Depot'</p> Signup and view all the answers

    What is the maximum allowable variation in the height of springs within the same group?

    <p>2mm</p> Signup and view all the answers

    What is the recommended practice regarding the integrity of the rake during loading/unloading?

    <p>Maintain the integrity of the rake.</p> Signup and view all the answers

    Which component should be replaced as part of the maintenance of the bogie?

    <p>The side bearer liners</p> Signup and view all the answers

    Which of the following is NOT a part of the maintenance schedule?

    <p>Line-side inspections</p> Signup and view all the answers

    What type of defects should be examined during the inspection of the bogie?

    <p>Surface corrosion and cracks</p> Signup and view all the answers

    What action is required if the locking arrangement with side stanchions is not functioning properly?

    <p>Rectify the issue</p> Signup and view all the answers

    What should be done to the wheel treads during maintenance?

    <p>Machine to new profile</p> Signup and view all the answers

    Which parts of the brake gear must be examined for wear and damage?

    <p>Brake blocks and heads</p> Signup and view all the answers

    What is the first step in the bogie maintenance procedure?

    <p>Lift the body through lifting pads</p> Signup and view all the answers

    What must be checked regarding the guide rollers during inspection?

    <p>Clearances with roller guide pressing</p> Signup and view all the answers

    Study Notes

    Bogie Covered Double Decker Wagon "BCACBM"

    • Document Type: Maintenance and Operation Manual
    • Wagon Type: Bogie Covered Double Decker, Broad Gauge
    • Model Number: WD-11013-S-01
    • Purpose: Transportation of automobiles
    • Units: Consists of three units of 9 wagons each, including two 'A' type and seven 'B' type wagons. These wagons feature twin decks for accommodating vehicles.
    • Couplers: 'A' wagon is fitted with CBC couplers on both ends at different heights (1105mm and 861mm). 'B' wagon has CBCs at 861mm on both ends.
    • Movement: Wagons move as a unit, not individually.
    • Speed: Maximum permissible speed for empty wagon is 100 kmph and 95 kmph for loaded condition.
    • Maintenance: Includes trip examination, routine overhauling (ROH), and periodic overhauling (POH) schedules.
    • Operating Conditions: Operation is governed by final speed certificate MW/BCACBM dated 27.02.2013 and amendments; must be run as special trains.
    • Facilities Required (ROH): Overhead cranes (15t), Power operated lifting Jacks (25t), Fork lifts (5t), and hydraulic Jacks (25t) are required.
    • Specific Maintenance Procedures
      • Opening/Closing Doors: Specific procedures are described for opening/closing end doors and flap doors for loading/unloading, including upper and lower decks.
      • Deck Height Adjustment: Explains the process of adjusting middle deck height for car loading/unloading. Safety precautions are noted for this procedure.
      • Loading/Unloading: Detailed procedures for loading/unloading automobiles, including ramp placement and sequence (lower, then upper decks), are included.
    • Component Lists: The document includes a list of components used and construction drawings for the wagon.
    • Inspection Procedures: Detailed visual inspections for various parts of the wagon (frame, bogies, brake systems, safety features) are addressed, noting specific dimensions and tolerances.
    • General: Information regarding scope and leading particulars (length, width, height, and load capacity) are included.
    • Material Handling Equipment: Specific material handling equipment required at maintenance locations (e.g., overhead cranes, hydraulic jacks) is listed.
    • Drawings: List of drawings (various parts of the wagon) included as appendices, as well as additional tables and information about parts.

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    CnW Maintenance Manual-568-582 PDF

    Description

    Explore the comprehensive maintenance and operation guidelines for the Bogie Covered Double Decker Wagon (BCACBM). This manual details the wagon specifications, maintenance schedules, and operational conditions for efficient transportation of automobiles. Ideal for understanding the functionality and upkeep of this specialized rail vehicle.

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