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RAILKING SW-8
DIESEL ENGINE
OPERATOR'S MANUAL
Compatibility
This engine will operate on any
traditional O-27 Gauge track system,
including M.T.H.'s RealTrax® or
ScaleTrax™ or traditional tubular
track. It is also compatible with most
standard AC transformers. (See pages
46 and 47 for a complete list of
compatible transformers, power packs
Freight Yard Sound
and wiring instructions.)
PLEASE READ BEFORE USE AND SAVE
www.mthtrains.com

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Summary of Contents for Rail King SW-8

  • Page 1 RAILKING SW-8 DIESEL ENGINE OPERATOR’S MANUAL Compatibility This engine will operate on any traditional O-27 Gauge track system, including M.T.H.’s RealTrax® or ScaleTrax™ or traditional tubular track. It is also compatible with most standard AC transformers. (See pages 46 and 47 for a complete list of...
  • Page 2: Table Of Contents

    Do not operate the hobby transformer with damaged cord, plug, switches, buttons or case. This product may be protected by one or more of the following patents: 6,019,289; 6,280,278; 6,281,606; 6,291,263; 6,457,681; 6,491,263; 6,604,641; 6,619,594; 6,624,537; 6,655,640. Rev: _RK SW-8 Diesel 5/1/13 ©2013, M.T.H. Electric Trains®, Columbia, MD 21046...
  • Page 3: Before You Begin

    BEFORE YOU BEGIN: By visiting the M.T.H. website, www.mthtrains.com, you will be able to view any additional manual updates that affect your engine. Enter the MTH Item number of the engine you want to check and select the manual icon to download or view it. You will need Adobe Acrobat Reader to view the manual.
  • Page 4: Ps 3.0 Enhancements

    PS 3.0 Enhancements ® There are 4 options for operating your MTH Proto-Sound 3.0-equipped engine; -Conventional AC -Conventional DC -DCS [MTH Digital Command System] -DCC When the locomotive is placed on the track and power is applied to the track the locomotive will detect the type of control system being used and respond accordingly.
  • Page 5: Programming Track (For Dcc Operation)

    DCS/DCC Switch Your MTH PS3.0-equipped engine has a DCS/DCC selector switch (located on the underside of the tender in steam engines). To operate the engine in DCS mode, ensure the switch is set to DCS. If you wish to run the engine in DCC mode, ensure the switch is set to DCC.
  • Page 6: Conventional Ac Operation

    Conventional AC Operation When using conventional AC power, the engine will respond to changes in track voltage. An increase in track voltage will increase the locomotive speed and a reduction in track voltage will reduce the engine speed. A short interruption (approximately 1 to 2 seconds) in the track voltage will cause the engine to cycle in the sequence for each track voltage interruption (neutral –...
  • Page 7: Proto-Sound 3.0 Conventional Ac Operating Instructions

    ® Proto-Sound 3.0 Conventional AC Operating Instructions ® Activating Proto-Sound 3.0 Conventional AC Mode Features Throttle - To increase or decrease track voltage, and therefore train speed, turn the throttle control knob. Turning clockwise will increase voltage and speed, while turning counterclockwise will decrease voltage and speed.
  • Page 8: Manual Volume Control

    Manual Volume Control To adjust the volume of all sounds made by this engine, turn the manual volume control (fig. 3) clockwise to increase the volume and counterclockwise to reduce the volume. Turning the manual volume control completely counterclockwise ® Proto-Sound 3.0 will turn of all of the engine Manual Volume...
  • Page 9: Pfa

    Passenger/Freight Announcements (PFA) Your engine is equipped with a sound package of either passenger station announce- ments or freight yard sounds that you can play when you pull into a station or a yard. Each sequence described below will play as long as it is left on, randomly generating sounds, but be sure to allow approximately 30 seconds between the button pushes described below to allow the PFA sufficient time to run through each sequence.
  • Page 10: Proto-Coupler Operation

    Tips on Using PFA •You can terminate PFA at any time by turning off power to the track for 15 seconds. •You do not have to be in Forward to use PFA. At the conclusion of the full sequence, the train will pull away from the station or yard in whatever direction you were going when you activated the feature.
  • Page 11: Ditch Lights (If Equipped)

    While the engine is programmed to start with the speed control feature activated, you can opt to turn it off. This means the engine's speed will fall as it labors up a hill and increase as it travels downward. It is also affected by the addition or releasing of cars while on the run.
  • Page 12: Reset To Factory Default

    Reset to Factory Default To override the settings you currently have assigned to the engine and reset it to its factory defaults, while in Neutral tap the Horn button quickly once, followed by five quick taps of the Bell button, allowing approximately ½ second to lapse between each quick button press.
  • Page 13: Dcs Operation

    NOTE – If you apply more than 9.0VDC to the engine at start-up the engine will not move. This is normal. We refer to this as “Anti-Jackrabbit” and this feature prevents your model from taking off at high track voltages. Simply lower the track voltage down below 9.0VDC and then back up to get your engine moving.
  • Page 14: Basic Dcc Operation

    Basic DCC Operation: Your MTH PS3.0-equipped engine takes full advantage of DCC's capabilities. Below are the basic commands you'll want to know to get started running quickly. Please refer to the Advanced DCC Operation section of the manual if you want to dig into the full capability of DCC.
  • Page 15: Sounds

    Bell/Whistle (Horn) F1 – Bell. To activate the Bell press F1. To deactivate it, hit F1 again F2 – Whistle (Horn) To activate the Whistle/Horn, press F2. To shut it off either let off the F2 button or press and release it F4 –...
  • Page 16: Master Volume

    Master Volume F6 – Master Volume There are 10 volume levels. Pressing F6 twice (toggling on then off) raises the Master Volume one level. The Master Volume loops. That is, if you go past the 10th level it will loop back around to the 1st or lowest volume level. Couplers Your MTH PS3.0-equipped engine comes with remotely controlled Proto-Couplers.
  • Page 17: Additional F Functions

    Engine Sounds F25 – Engine Sounds You can turn the Engine Sounds On/Off by pressing the F25 button. Pressing it once (enabling F25) will cause the Engine Sounds to shut off. The Whistle/Horn and Bell sounds will still be active, however. To turn the engine sounds back on press the F25 button again (disable F25).
  • Page 18 F22 – Coupler Slack When an engine hooks up and pulls a train it has to take up the coupler slack. You can play this sound by pressing F22 twice (toggling on then off). This feature works two ways – While the engine is sitting still, press F22 twice to enable it. Then, when you move the engine, it will play the Coupler Slack sound.
  • Page 19: Function Chart

    Function Chart Description Function Headlight Bell Horn Start-Up/Shut Down Lights Master Volume Front Coupler Rear Coupler Forward Signal Reverse Signal Grade Crossing Clickety Clack On/Off Idle Sequence 4 Idle Sequence 3 Idle Sequence 2 Idle Sequence 1 Extended Start-Up Extended Shut Down Rev Up Rev Down One Shot Doppler...
  • Page 20: Cv29

    CV29 CV29 is the basic decoder setup CV that is used by all DCC decoder manufactures. So, if you are familiar with CV29 from other manufacturer's decoders MTH's is no different. The most important part of CV29 is the ability to switch between long and short addressing.
  • Page 21: Feature/Factory Resetting

    To change your engine's Long Address using PoM: 1. Call up the current engine's address on your DCC handheld 2. Enter Programming on the Main on your DCC handheld 3. In this step you have to tell the MTH engine that you want it to start looking at long addresses.
  • Page 22 unsure of the engine address you can apply the 55-55-55 reset (send a value of 55 to CV55 to engine address 55). In order for this to work correctly the engine's address must NOT be 55. The engine will need to be sitting at some address other than 55. Below is the method (55-55-55 Reset) you can employ to return an engine to its factory default short address of 3 (it will also set the engine's long address back to its default –...
  • Page 23: Proto-Sound® 3.0 Expanded Dcc Functionality

    MTH PS3.0 Expanded DCC Functionality Advanced DCC Operation: This section of the manual provides more in-depth detail on how to set up and configure your MTH PS3.0-equipped engine using the NMRA-standard CV's as well as the manufacturer-specific CV's. It also explains some of the other F Functions not covered in the Basic DCC Operation section.
  • Page 24 Below is the table of Factory Default MTH supported DCC CV's. This table is specific to the engine in the title of this manual: Factory Default Values for MTH PS3.0 DCC Configuration Variables (CV’s) Function Function Default Value Description Description Decimal Short Address Horn High Byte...
  • Page 25 User-Settable F-Function List This feature allows you to take the 28 F-Functions that currently reside in each MTH Proto-Sound 3.0-equipped O-Gauge Engine and change the location of that function. For example: F4 is currently PFA and you'd like that placed down to F28 which is Feature Reset.
  • Page 26 The above list includes ALL F functions that an MTH PS3 engine could have. You are free to change any of the above listed items to any F function position, 1-28. For example, if you your engine came from the factory without a smoke unit but you added one at a later date you could swap out any of the F functions, 1-28, for the Smoke On/Off and the Smoke Volume.
  • Page 27: Advanced Consisting

    Advanced Consisting Advanced Consisting follows the NMRA standards. Any values assigned to CV's 21-24 are ignored once the consist is removed (CV19 set to 0). Setting the MSB (Bit 7) of CV19 tells the engine that it is facing reverse in the consist Setting CV21 and CV22 determine which F Functions the consist responds to See diagram below for example Engine 3 - Rear...
  • Page 28 To set this consists up so that: *The Headlight is ON in the Front engine when going Forward, OFF when the consist is in Reverse *The Reverse light and headlight is OFF in the Rear engine when the consist is going Forward, headlight is ON, reverse light is OFF when the consist is in Reverse The Middle engine has no lights in either direction Perform the following:...
  • Page 29 11. Call up the consist address (address 4 in this example) 12. Press the F0 button to ensure the FL is toggled on. Most systems have a light bulb icon to indicate whether F0 is active or not. Ensure that it is ON NOTE –...
  • Page 30: Programming Track

    NOTE - CV21 is ONLY used when you have some value other than 0 written to CV19. If CV19 = 0 then the values of CV21, CV22, CV23, and CV24 are not used 1. Call up your Middle engine (address 2 in the example) 2.
  • Page 31 So, in the above example you simply add up the values in the “Decimal Value” row – 128+64+0+16+8 +0+0+1 = 217. You would write 217 to the CV you were altering. The above applies to any CV. Also, if you have a CV that already has a value assigned that you do not want to alter but need to make additions to it, for example CV29, you would simply add the additional bits you enabled to the existing value to obtain the new CV value.
  • Page 32: Lubricating And Greasing Instructions

    Maintenance Lubricating and Greasing Instructions The engine should be well oiled and greased in order to run properly. Regularly lubricate all axles and pickup rollers to prevent squeaking. DO NOT DO NOT Use light household oil, such as that found in M.T.H.'s maintenance OVER OIL OVER OIL kit.
  • Page 33: Maintenance

    being careful that the wire harnesses are not caught between the chassis and body, and reinstall the body mount screws. It is recommended to lubricate the outside truck block idler and drive gears with grease. Use the diagram shown below as a guide and add grease to the points marked. Grease Idler Gear (G) Figure 6: Greasing the Idler Gears Cleaning The Wheels, Tires, and...
  • Page 34: Traction Tire Replacement Instructions

    Traction Tire Replacement Instructions Your locomotive is equipped with two neoprene rubber traction tires on each powered truck block. While these tires are extremely durable, you may need to replace them at some point. Please use the following instructions to replace the traction tires. 1.
  • Page 35: Troubleshooting Proto-Sound 3.0 Problems

    Troubleshooting Proto-Sound® 3.0 Problems Although Proto-Sound® 3.0 has been designed and engineered for ease of use, you may have some questions during initial operation. The following table should answer most questions. If your problem cannot be resolved with this table, contact M.T.H. for assistance (telephone: 410-381-2580;...
  • Page 36 Lock-out Solution The engine maybe locked into the neutral I can't get the engine to run after I power position. Follow the procedure in the "Lock up the transformer. It sits still with the into a Direction" section to unlock the diesel and compressor sounds running.
  • Page 37 Conventional DC Start-up Solution Check to see if that section of track has power. When I apply power to the track my Use a voltmeter or a lit passenger car. engine doesn't do anything. No lights, no sound, nothing. Slide the engine a couple of feet in either direction, you may have a bad track section Have you got that section electrically isolated with a toggle switch or other device?
  • Page 38 Lights Solution One of my lights is out. Most likely you had been running the engine in DCC or DCS mode and toggled that light off. Put it back into one of those modes and turn that light back on. The engine will remember that when you run it again in Conventional DC.
  • Page 39 Start-up Solution When I apply power to the track my Did you press F3 yet? F3 on your DCC handheld will start your engine up. engine doesn’t do anything. No lights, no sound. Check to see if that section of track has power.
  • Page 40 Lights Solution One of my lights is out. Check your F keys. F0 is the headlight (also controls the Back-up light) and F5 will toggle the Cab light and firebox light. Could be the same reason as “One of my None of my lights are on.
  • Page 41 DCS (Remember, it's NOT DCC) Start-up Solution This is normal. You have to hit the Start-Up When I apply power to the track my button. engine doesn't do anything. No lights, no sound, no nothing. Check to see if that section of track has power.
  • Page 42 Lights Solution One of my lights is out. Check that you haven't turned it off with the DCS controller. You have independent control over lights on your engine Could be the same reason as “One of my None of my lights are on. lights is out”...
  • Page 43: Transformer Compatibility And Wiring Chart

    Transformer Compatibility and Wiring Chart Proto-Sound® 3.0 is designed to work with most standard AC transformers. The chart below lists the many compatible transformers. Note that many of the operational commands described in these instructions require a bell button, so if your transformer does not have its own bell button, you should consider adding one to get the full benefit of the system.
  • Page 44: Dc Power Supply Chart

    DC Power Supply Chart RECOMMENDED DC TRANSFORMERS Transformer Power Notes On Use Transformer Min/Max. Model Rating Type Voltage MRC 6200 0-18.5v 60-Watt Not Recommended For #70-3001-1 J3a Electronic 0-20v 100-Watt Electronic Controlmaster 20 PH Hobbies 100-Watt Electronic 0-20v PH Hobbies 0-20v 180-Watt Electronic...
  • Page 45: Additional Features Accessible Of Dcs Remote Control System

    Direction Control Set Up-User can set initial individual start-up direction (start in forward or reverse) for double- heading operations •Locomotive Consist Set-up-User can determine locomotive values for consist make-ups, allowing multiple locomotives belonging to a consist to operate together RailKing SW-8 Diesel Engine w/Proto-Sound® 3.0...
  • Page 46: Service & Warranty Information

    Service & Warranty Information How to Get Service Under the Terms of the Limited One-Year Warranty When you suspect an item is defective, please check the operator's manual for standard operation and trouble- shooting techniques that may correct the problem. Additional information may be found on the M.T.H. Website. Should you still require service, follow the instructions below to obtain warranty service.

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