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RAILKING GP-20
DIESEL ENGINE
OPERATOR'S MANUAL
Compatibility
This engine will operate on any
traditional O-31 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
PFA
and wiring instructions.)
Passenger/Freight
Announcements
PLEASE READ BEFORE USE AND SAVE
www.mthtrains.com
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Summary of Contents for MTHTrains RAILKING GP-20 DIESEL ENGINE
- Page 1 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 and wiring instructions.) Passenger/Freight Announcements PLEASE READ BEFORE USE AND SAVE www.mthtrains.com...
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Page 2: Table Of Contents
Table of Contents Before you Begin ........... . 3 Set Up Checklist. -
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 Add Smoke Figure 2: Adding Smoke Fluid Running the engine without a primed smoke unit may cause damage Figure 3: Smoke Unit Control Smoke Unit Control RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 5: Ps 3.0 Enhancements
Finally, because there are no batteries, you will DCS/DCC Switch notice there is no external charge Figure 4: Changing from DCS to DCC Mode jack on the engine. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 6: Programming Track (For Dcc Operation)
Also, they require less power and do not emit as much heat as incandescent bulbs. Modes of Operation The following pages have detailed descriptions of the 4 different modes of operation: -Conventional AC -Conventional DC -DCS [MTH Digital Command System] -DCC RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 7: Conventional Ac Operation
By using combinations of button presses, different commands besides blowing the whistle and ringing the bell can be initiated. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 8: Proto-Sound 3.0 Conventional Ac Operating Instructions
The engine is programmed to restart in neutral each time the track voltage is turned off for 25 seconds or more. Cycle Phases Neutral Reverse Forward Neutral RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 9: Manual Volume Control
Marker Lights (On/Off) (if equipped) By default your Marker Lights are set to ON. To toggle the Marker Lights, perform the following sequence on your AC transformer: Place Marker Lights Bell Horn Engine in (On/Off) Neutral RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 10: Pfa
Once the bell turns off, the operator regains control of the transformer's bell and Horn buttons and can ring the bell or blow the Horn as usual. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 11: Proto-Coupler Operation
You can add or drop cars on the run, and the engine will maintain the speed you set. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 12: Ditch Lights (If Equipped)
NOTE – The Ditch Lights follow Rule 17 lighting. That means when your engine is stopped the ditch lights will go off. Once you start moving again in forward (when the headlight goes from dim to bright) they will come back ON, provided you have them set to ON. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 13: Reset To Factory Default
8 VDC. To get your locomotive moving, after the startup sounds have finished and the locomotive is idling, slowly increase the track voltage until the locomotive is traveling at the desired speed. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 14: Dcs Operation
Additional details can be found in the DCS manual that accompanies your DCS system or on the MTH Web site, www.mthtrains.com With DCS, you can have a whole fleet of MTH PS 3.0 engines on the rails and they will remain shut down until you command them to start up. -
Page 15: Basic Dcc Operation
As long as there is DCC power still on the track the engine can be started up again by pressing the F3 button twice. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 16: Sounds
The bell will shut off automatically. Lights F0 – Headlight/Taillight. This toggles your headlight/taillight on and off. F5 – Lights. This toggles your firebox and cab interior light on and off. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 17: Master Volume
For example, if you are currently at the High smoke output level, pressing F13 twice (toggling it on then off) will set the smoke volume to Low. Pressing F13 twice again will set it to Medium and so on. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 18: Engine Sounds
Doppler Effect perfectly. Press the F21 button again (disable F21) to shut off the Doppler Effect. With a little practice in timing and speed you can make this happen right in front of you. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 19 Pressing the F27 button (enable F27) will disable the Cab Chatter. Pressing the F27 button again (disable F27) will enable Cab Chatter. Cab Chatter is On by default. F28 – Feature Reset Resets Features to defaults. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 20: Function Chart
Rev Down One Shot Doppler Coupler Slack Coupler Close Single Horn Blast Engine Sounds Brake Sounds On/Off Cab Chatter On/Off Feature Reset *Refer to pages 24, 25 & 26 for CV Data and Function ID RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 21: Cv29
3. Hit Enter twice so the LCD displays “Adr” 4. Type in the new Short Address (1-127) that you want and hit Enter 5. The engine will give you a two whistle/horn blast response RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 22: Feature/Factory Resetting
In some cases you may not remember or have somehow lost the engine address. Following the above Feature or Factory Resets will allow you to recover an engine. The limitation to this is that for most resets you must know the engine address. If you are RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 23 55 on your DCC handheld and sending a value of 55 to CV55. Again, MTH engine's will listen to the 55-55-55 reset command even though the engine's address isn't actually 55 (and it can't be for the 55-55-55 reset to work). RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 24: Proto-Sound® 3.0 Expanded Dcc Functionality
User ID #1 – General Purpose use for customer CV105 User ID #2 – General Purpose use for customer CV106 CV115- MTH Function Assignments – See table of supported CV’s and manual CV170 section on how to re-arrange them for further information RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 25 Cab Chatter On/Off High Byte User ID #1 Cab Chatter On/Off Low Byte User ID #2 Feature Reset High Byte Function - Bell High Byte Feature Reset Low Byte Function - Bell Low Byte RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 26 LIGHTS Labor Chuff Lights Master Volume Short Horn One Shot Doppler Reverse Signal SCRIPTS Extended Shut Down Extended Start Up Start Up/Shut Down Train Wreck Trolley Manual Mode Trolley Learn Mode Trolley Auto Mode RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 27 3. Write a value of 18 to CV25. Your engine will now use the speed curve #18 below 4. If you want to create your own speed table using CV's 67-94 then write a value of 0 or 1 to CV25 RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 28: Advanced Consisting
Setting CV21 and CV22 determine which F Functions the consist responds to See diagram below for example Engine 3 - Rear Engine 1 - Front Engine 2 - Middle Normal Forward Direction of Travel RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 29 10. Ensure F5 and F0 are toggled OFF. You may have to toggle F5 on/off a couple times to get the lights in sync with the DCC command station. This will depend upon your DCC system RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 30 CV21's bits are shown in the table below – the decimal value is shown in parenthesis: (Decimal 7 (128) 6 (64) 5 (32) 4 (16) 3 (8) 2 (4) 1 (2) 0 (1) Value) Function RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 31: Programming Track
5 (32) 4 (16) 3 (8) 2 (4) 1 (2) 0 (1) Value) Binary 1 (on) 1 (on) 1 (on) 0 (off) 1 (on) 1 (on) 0 (off) 0 (off) 1 (on) Example Decimal Value RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 32 128) for the engine you want to reverse. To do this - take 128 (the new bit you want to set) + 5 (the existing bit that you do not want to alter) = 133. You would then write a value of 133 to CV19. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 33: Maintenance
5. After repeating the procedure for the other motor, reassemble the chassis and body, being careful that the wire harnesses are not caught between the chassis and body, and reinstall the body mount screws. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 34: Cleaning The Wheels, Tires And Track
Thereafter, keep an eye on the track and clean it when it gets dirty to ensure good electrical contact and to lengthen the life of the tires. Maintenance Kit (30-50051) RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 35: Traction Tire Replacement Instructions
One set of replacement tires is packaged with the model. Additional tires are available directly from the M.T.H. Parts Department (Order online: www.mth-trains.com, e-mail: parts@mth-railking.com,Fax: 410-423-0009, Phone: 410-381-2580, Mail: 7020 Columbia Gateway Drive, Columbia MD 21046-1532 ). Truckside Screws Figure 9: Truckside Screws RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 36: Smoke Unit Operation
After removing the engine from storage, add another 25 drops of fluid, letting the wick soak up the fluid for 15 minutes prior to operation. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 37: Headlight Replacement Instructions
The PS 3.0 headlights and other associated lights are small LEDs that require a lot less power and generate a lot less heat than incandescent bulbs, resulting in extremely long life compared to the incandescent bulbs. The LEDs are not user serviceable RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 38: Troubleshooting Proto-Sound 3.0 Problems
The coupler does not fire or stay denatured alcohol (not rubbing alcohol) and coupled. let dry. Cab Chatter Solution Sometimes the Cab Chatter sounds Cab Chatter plays only in neutral at random don't play. intervals. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... - Page 39 PFA cycle. Wait at least 30 play or the engine does not come out of seconds in each PFA sound clip before PFA after fourth press of the direction pressing the direction button. button. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 40 DCC set the smoke back to High. It'll remember what you last set it as when you run it again in Conventional DC Check for an obstruction in the smoke stack Add 10-12 drops of smoke fluid RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 41 New engines even after they are lubricated may take a little bit to get everything run in. Be a little patient and let it run for a bit. It should clear up shortly after lubricating and running. RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 42 26 to move the smoke volume into an F Function that exists on your controller Check for an obstruction in the smoke stack Add 10-12 drops of smoke fluid RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 43 Try to get a hold of the engine on its last known long address Place the engine on the Programming Track output on your DCC system and write a value of 3 to CV1 RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 44 This is normal. You will need to press the Doppler shift but then the engine sounds Doppler button again to turn Doppler off. Your fade out and I can't get them back engine sounds will now return to normal RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
- Page 45 I can't call up my engine on the address Delete the engine from your DCS remote, I believe it to be set at and attempt to re-add it. On the DCS Remote, hit Menu System Engine Setup Recover Engine RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0...
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Page 46: Transformer Compatibility And Wiring Chart
9-19v 110-Watt Standard Lionel SW Unknown 130-Watt Standard Lionel TW 8-18v 175-Watt Standard Lionel ZW A,B,C or D 8-20v 275-Watt Standard Lionel Post-War A,B,C or D Common 0-20v 135/190 Watt Electronic Celebration Series ZW RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 47: Dc Power Supply Chart
Controller CRE-55401 Controller PWM Output from this power supply DAMAGE Will the TIU * Use 22 volts maximum track voltage when operating a MTH locomotive equipped with Proto-Sound, Loco-Sound, Proto-Sound 2.0 or Proto-Sound 3.0 RailKing GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 48: 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 GP-20 Diesel Engine w/Proto-Sound® 3.0... -
Page 49: Service & Warranty Information
M.T.H. Electric Trains. The manufacture date of an item can be verified on the item's detail page “shipping date field” on the M.T.H. website (www.mthtrains.com). This warranty does not cover damages caused by improper care, handling, or use. Transportation costs incurred by the customer are not covered under this warranty.
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