Page 1
DIESEL ENGINE OPERATING INSTRUCTIONS Thank you for purchasing the RailKing Doodblebug Diesel Engine. This RailKing Diesel Engine contains state-of-the-art electronics with many built-in automatic features for incredibly realistic operation. Despite these advanced features, the locomotive is easy to operate with any compatible standard AC transformer (see the compatibility chart on page 17), and is completely compatible with most other 3-rail locomotives, rolling stock, and accessories.
Lubrication and Greasing Instructions Cleaning the Wheels, Tires and Track Locomotive Traction Tire Replacement Locomotive Light Bulb Replacement Self-Charging Battery Back-Up Troubleshooting Compatibility Transformer Compatibility Chart Additional Features with DCS Remote Control System Safety Precautions Service and Warranty Information RailKing Doodlebug Electric Engine...
To prevent accidental high-speed start-ups, this engine is programmed to restart in neutral each time the track voltage is turned off for 10 seconds or more. RailKing Doodlebug Electric Engine...
Once the bell turns off, the operator regains control of the transformer’s bell and whistle buttons and can ring the bell or blow the whistle as usual. RailKing Doodlebug Electric Engine...
2.0) is equipped with PSAs, you may choose to disable it when used in double-heading operations, so you will not experience competing PSA sounds. To disable PSAs in an original Proto-Sound engine, see the operating instructions for that engine. RailKing Doodlebug Electric Engine...
Certain Proto-Sound 2.0 sound effects automatically play in programmed conventional mode conditions: Squealing Brakesplay any time the engine’s speed decreases rapidly. Cab Chatter plays when the engine idles in neutral. Engine Start-up and Shut-down sounds play when the engine starts up and shuts down. RailKing Doodlebug Electric Engine...
(in the truck block) with grease. 4. Reassemble the truck and motor, being careful not to pinch any wires between the truck block and motor mount. RailKing Doodlebug Electric Engine...
To clean the track, use a clean rag and denatured alcohol (not rubbing alcohol). Unplug the transformer and wipe the rails of the track, turning the rag frequently to ensure that you are using clean cloth on the rails. RailKing Doodlebug Electric Engine...
4. Make sure the tire is fully seated inside the groove. Use a razor blade to trim away any excess tire that doesn’t seat itself inside the groove properly. 5. Reassemble in the reverse order. RailKing Doodlebug Electric Engine...
One set of replacement tires is packaged with your model. Additional tires are available directly from the M.T.H. Parts Department (phone: 410-381-2580; fax: 410-423-0009; e-mail: parts@mth-railking.com; mail: 7020 Columbia Gateway Drive, Columbia MD 21046-1532). Locomotive Light Bulb Replacement To replace the light bulb in the locomotive, follow these instructions: Follow the cab removal instructions found in the “Lubrication and Greasing”...
• If the sounds are not improved at the end of the 15 minute test charge, it is time to replace the battery (see Fig. 6 below). Contact the M.T.H. Parts Department (phone: 410-381-2580; e-mail: parts@mth-railking.com; mail: 7020 Columbia Gateway Drive, Columbia MD 21046-1532) for a replacement battery.
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; fax: 410-423-0009; service@mth-railking.com, 7020 Columbia Gateway Drive, Columbia MD 21046-1532). Starting Up...
Page 15
Because there are a limited number of sound clips available in each PSA sequence, it is probable that some of these sound clips will be repeated from time to time. RailKing Doodlebug Electric Engine...
This engine will operate on any traditional O-31 or larger O Gauge track system, including M.T.H.’s RealTrax® or ScaleTrax™ or traditional tubular track. It is also compatible with virtually most standard AC transformers. (See page 17 for a complete list of compatible transformers and wiring instructions.) RailKing Doodlebug Electric Engine...
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 * Conventional Mode Only RailKing Doodlebug Electric Engine...
• Control up to 50 different DCS-equipped locomotives at one time with multiple TIUs. • Proto-Effects™ Set Up-User can select individual Proto-Effects™ operations to be active or inactive, including cab chatter, train wreck sounds, coupler sounds, and wheel clickety-clack sounds. RailKing Doodlebug Electric Engine...
Page 19
Programming Digital Command Operations for up to 250 Accessories and 250 Individual Switches . • User Can Script, Record and Playback Train Routes. Operating instructions for all DCS Command features will accompany the DCS remote control equipment. RailKing Doodlebug Electric Engine...
1. First write, call, email or FAX MTH Electric Trains, 7020 Columbia Gateway Drive, Columbia, MD 21046, 410-381-2580 (FAX No. 410-423-0009), or on the internet at service@mth-railking.com or our web site, www.mthtrains.com, stating which product you have, when it was purchased and what seems to be the problem. You will be given a return authorization number to assure that your merchandise will be properly handled upon its receipt at MTH.
Need help?
Do you have a question about the DOODLEBUG and is the answer not in the manual?
Questions and answers