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Rapido Trains M-420 Operating Manual

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Summary of Contents for Rapido Trains M-420

  • Page 1 REV 1...
  • Page 2 MLW M420 LOCOMOTIVE PRODUCT GUIDELINES Thank you for purchasing this Rapido Trains Inc. M420 locomotive. Our sound- equipped M420 locomotive is powered by an ESU LokSound V5 decoder and can be operated on DC or DCC layouts. If you have any issues with your model, you can reach us by email: trains@ rapidotrains.com, by phone (1-855-LRC-6917 or 1-905-474-3314) or by snail...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS Prototype History ....................4 Break-In ......................4 Minimum Radius Requirements ................5 Front Nose Door ....................5 Missing or Damaged Parts .................. 5 Checking and Adjusting Your Locomotive .............. 6 Removing the Shell ..................... 6 Operation – DC (Silent)..................8 Installing a Silent DCC Decoder ................

  • Page 4: Prototype History

    PROTOTYPE HISTORY The early 1970s were a time of massive change in Canadian locomotive design. CN’s mechanical boss, Bob Radford, worked with MLW designers, locomotive crews and the unions to devise a new cab design for freight road locomotives. This would become known as a (Canadian) Comfort/Safety Cab.

  • Page 5: Minimum Radius Requirements

    MINIMUM RADIUS REQUIREMENTS Being an average sized, 4-axle unit, the M420 will have no problems navigating 18” radius curves and #4 crossovers. If you want to run them on anything smaller, may I suggest switching your modeling to theme park operations? I mean, really, when was the last time you saw an M420 go in circles? (No, that movie where everything blows up doesn’t count!).

  • Page 6: Missing Or Damaged Parts

    MISSING OR DAMAGED PARTS With over 300 individual detail parts, the M420 is an amazing and complex model. But that’s what we’re known for, isn’t it? To prevent inevitable frustration, we recommend checking your locomotive as soon as possible to ensure that everything is where it should be.

  • Page 7: Removing The Shell

    • Check to see that all wheelsets are correctly in gauge using an NMRA RP-2 Standards Gauge. Should any of the wheelsets be out of gauge, remove the affected wheelset from the truck by prying off the bottom lid of the gearbox with a small flat screwdriver and then spreading the side frames slightly.

  • Page 8: Installing A Silent Dcc Decoder

    system. Don’t wait until the Leafs win the Cup to upgrade to DCC, or you will never upgrade to DCC. INSTALLING A SILENT DCC DECODER The M420 contains a motherboard which is connected to the track, motor, and lighting outputs. It is located in the long hood. A blind plug is attached to the motherboard using a 21-pin connector.

  • Page 9: Operation - Dcc (Sound)

    the sounds to fire up (around 7 volts). You cannot control user-activated sound features like the horn and bell if you are using DC. There are third party controllers that supposedly activate these sounds on DC but after all these years we’ve still never tested them so we have no idea how well they work or what they will do to your locomotive - for good or for ill.

  • Page 10: Turn On The Sound

    done either on your programming track (recommended) or on the main if your system supports programming on the main. Be aware however that if you do program the locomotive on the main and you have any other locomotives assigned to address 3 (the normal default address for new locomotives) that ALL of them will also be changed to your new address! This is great if you want to simulate a bunch of kids getting into the engine shop, notching the controllers, and then running into the woods.

  • Page 11: Functions

    FUNCTIONS Bell F12 Switching Mode Horn F13 Rear Light Curve Squeal F14 Radiator Fan Dynamic Brake (???) F15 Model Train Mode Doppler horn F16 Air Dryer on Shutdown Dimmer F17 Air Compressor Startup/Mute/Shutdown F18 Track Inspection Lights Full Throttle F19 Numberboard Lights F10 Brake F20 Air Dryer F11 Class Lights...
  • Page 12 just want to get that point across. If you have a CN engine and you press F4, you have Green Cooties. F5 Doppler Horn Press F5 to hear a nice and slow Doppler K3L. Why not a fast Doppler horn? Well, when was the last time you remember an M420 running like a rocket? F7 Dimmer See that oncoming train? Make sure you dim your headlights or ditchlights so you don’t...
  • Page 13 cycle the lights to Green, a third hit will turn the lights red and finally, hit F11 again to cycle the lights off. White Class lights were used to signify a train was running as an extra in territory where train orders and schedules still applied. Green Class lights were to signify that there was an additional (usually just a second) section of the same train number, also in train order territory.

  • Page 14: Horns And Bells

    F20 Air Dryer To save you from the saliva clean-up should you try to mimic the sound of the spitter valve, we’ve provided its sporadic sounds on F20. By default it’s always on, as the real thing would always be going when the locomotive is running (and for a few minutes after it’s shut down).

  • Page 15: Factory Reset

    M420 SOUND VOLUME SETTINGS FUNCTION SOUND SLOT DEFAULT YOUR VALUE Master Volume Bell Horn Curve Squeal Dynamic Brake Doppler Horn Prime Mover Independent Brake Radiator Fan Isolation Switch Compressor Air Dryer FACTORY RESET On your M420, you can perform a factory reset by entering a value of “8” into CV 8. Note that this will cause all your new volume and motor settings to be lost, so you will need to reprogram any settings that you want to keep.

  • Page 16: Limited Warranty

    LIMITED LIFETIME WARRANTY We will do our best to solve any problems or issues that you may have with your M420 locomotive. If your locomotive has any defects that originate from the factory, we will repair your locomotive using new components or replace it outright should a repair not be possible.

  • Page 17: Acknowledgements

    ACKNOWLEDGEMENTS The M420 project is a labour of love, a locomotive that for years was only available in brass or resin. But not only have we pushed the bar to new heights, we also wanted to show off our latest design concepts and features, like the neat nose doors or the incredible detailing of the underframe.

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