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RAILKING L-3 MOHAWK
STEAM ENGINE
OPERATING
INSTRUCTIONS
This RailKing L-3 Mohawk Steam Engine is produced in detailed Die-Cast Metal and
operates on O-31 track. This RailKing Steam 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 18), and is completely compatible with
most other 3-rail locomotives, rolling stock, and accessories.
This locomotive is equipped with Proto-Sound 2.0 with Digital Command System
(DCS). This new system will allow you to operate your locomotive in Command mode
(when used with the DCS Remote Control System, sold separately) or Conventional
mode. Conventional operating features are described in the following pages, while the
DCS operating features are covered in the set of operating instructions that
accompanies the DCS equipment. Conventional Mode operation of this locomotive is
much simpler than operation of original Proto-Sound engines. For your own safety and
that of your equipment, please read the instructions before you operate this engine.

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Summary of Contents for MTHTrains RAILKING L-3 MOHAWK STEAM ENGINE

  • Page 1 STEAM ENGINE OPERATING INSTRUCTIONS This RailKing L-3 Mohawk Steam Engine is produced in detailed Die-Cast Metal and operates on O-31 track. This RailKing Steam 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 18), and is completely compatible with most other 3-rail locomotives, rolling stock, and accessories.
  • Page 2: Table Of Contents

    Cleaning the Wheels, Tires and Track Locomotive Traction Tire Replacement Smoke Unit Maintenance 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 L-3 Mohawk Steam Engine...
  • Page 3: Set Up

    O-31 circles of track. The second hole is for O-72 or larger operation. At this point, you are ready to begin running your engine. RailKing L-3 Mohawk Steam Engine...
  • Page 4: Basic Operation

    (see Fig. 1). Proto-Sound 2.0 Volume Adjustment Knob Figure 1. Proto-Sound 2.0 Volume Adjustment Knob RailKing L-3 Mohawk Steam Engine...
  • Page 5: Proto-Sound 2.0 Operation

    1 Bell, 4 Whistles Fire the Front Coupler Speed Control On/Off 1 Whistle, 2 Bells (From Neutral Only) Lock into a Direction/Unlock 1 Whistle, 3 Bells 1 Whistle, 5 Bells (From Neutral Only) Reset to Factory Defaults RailKing L-3 Mohawk Steam Engine...
  • Page 6: Freight Yard Sounds (Fys)

    Note: The engine will move based on the current throttle setting. Verify the throttle is set correctly before the engine begins to move. RailKing L-3 Mohawk Steam Engine...
  • Page 7: Tips On Using Fys

    Proto-Sound FYS, you may choose to disable it when used in double-heading operations, so you will not experience competing FYS sounds. To disable FYS in an original Proto-Sound engine, see the operating instructions for that engine. RailKing L-3 Mohawk Steam Engine...
  • Page 8: Proto-Coupler Operation

    Each time you shut down the engine completely, it will automatically turn speed control on. RailKing L-3 Mohawk Steam Engine...
  • Page 9: Lock Into A Direction State

    Squealing Brakes play 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 is initially powered on or is powered off for five seconds or more. RailKing L-3 Mohawk Steam Engine...
  • Page 10: Maintenance

    Follow the grease points shown on Fig. 3. Grease Pivot Point Body Mounting Screws Grease Screw (G) Body Mounting Screws Figure 3. Greasing Points on the Engine and Body Mounting Screws RailKing L-3 Mohawk Steam Engine...
  • Page 11: Cleaning The Wheels, Tires And Track

    One set of replacement tires is included with the 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). RailKing L-3 Mohawk Steam Engine...
  • Page 12: Smoke Unit Maintenance

    If you experience poor or no smoke output when the smoke unit is on and has fluid, check the wick Figure 6. Smoke Unit to see if it has become hard, blackened, and Inspection Cover unabsorbent around the heating element. Remove RailKing L-3 Mohawk Steam Engine...
  • Page 13: Locomotive Light Bulb Replacement

    Once the body has been removed, rotate the headlight bulb counter-clockwise as seen in Figure 7 to remove. You can obtain replacement bulbs directly from the M.T.H. Parts Department. HeadLight Figure 7. Replacing the Headlight RailKing L-3 Mohawk Steam Engine...
  • Page 14: Self-Charging Battery Back-Up

    Do NOT use a 6-cell 7.2v battery. Unhook Wires, Remove and Replace Battery Battery Port Figure 8. Replacing the Battery Figure 9. Battery Port RailKing L-3 Mohawk Steam Engine...
  • Page 15: Troubleshooting

    Do NOT use oil. The coupler does not fire or stay The coupler needs to be cleaned. coupled. Wipe with denatured alcohol (not rubbing alcohol) and let dry. RailKing L-3 Mohawk Steam Engine...
  • Page 16 Because there are a limited number of sound clips available in each FYS sequence, it is probable that some of these sound clips will be repeated from time to time. RailKing L-3 Mohawk Steam Engine...
  • Page 17: Compatibility

    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 most standard AC transformers. (See page 18 for a complete list of compatible transformers and wiring instructions.) RailKing L-3 Mohawk Steam Engine...
  • Page 18: Transformer Compatibility Chart

    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 L-3 Mohawk Steam Engine...
  • Page 19: Additional Features With Dcs Remote Control System

    Doppler Operation, including setting distance points for Doppler start, repeat, and stop modes. • Independent Volume Control of Engine Sounds, Bell, Horn & Whistle for each Locomotive. • Control up to 50 different DCS-equipped locomotives at one time with multiple TIUs. RailKing L-3 Mohawk Steam Engine...
  • Page 20 • User Can Query, Set and Operate Track and Accessory Interface Units for Programming Digital Command Operations for up to 250 Accessories and 250 Individual Switches. • User Can Script, Record and Playback Train Routes. RailKing L-3 Mohawk Steam Engine...
  • Page 21: Safety Precautions

    In the event such conditions exist, the transformer should not be used until properly repaired. - As with all electrical appliances, this product should not be left in operation when unattended. RailKing L-3 Mohawk Steam Engine...
  • Page 22 This warranty gives you specific legal rights, and you may have other rights that vary from state to state. Specific questions regarding the warranty may be forwarded to M.T.H. directly. Service Department M.T.H. Electric Trains 7020 Columbia Gateway Drive .Columbia MD 21046-1532 RailKing L-3 Mohawk Steam Engine...
  • Page 23 ROUNDHOUSE SOUTH GRAMPA'S TRAIN SHOP DAVIS ELECTRONICS PORT ORANGE RICE LAKE MILFORD 386-304-7002 715-234-2996 513-831-6425 MARYLAND RICK'S TOY TRAINS PLAZA HOBBY TOLEDO CUMBERLAND 419-478-0171 301-729-6424 PENNSYLVANIA ENGINE HOUSE HOBBIES BUSSINGER TRAINS GAITHERSBURG AMBLER 301-590-0816 215-628-2366 RailKing L-3 Mohawk Steam Engine...
  • Page 24: Service And Warranty Information

    AUTHORIZED SERVICE CENTER 7020 Columbia Gateway Dr. - Columbia, MD 21046 Information: 410-381-2580 Fax: 410-381-6122 www.mth-railking.com PARTICIPATING A.S.C. RETAILER LIST CANADA DOLLHOUSES TRAINS & MORE FRANK'S TRAINS & HOBBIES NOVATO OLDSMAR TOY TRAIN WORKSHOP 415-883-0388 813-855-1041 CUMBERLAND 613-833-8331 TIN PLATE JUNCTION COLONIAL PHOTO &...
  • Page 25 MAINE TREASURED TOYS AMERICANA STORE SALEM TIVOLI WHEELS, WINGS & THINGS 603-898-7224 845-757-4246 LUDLOW NEW JERSEY 207-532-6277 KROSS HARDWARE COUNTRY AND STUFF MARYLAND WEST BABYLON ANDOVER PLAZA HOBBY 631-669-3069 973-786-7086 CUMBERLAND 301-729-6424 NORTH CAROLINA COLUMBUS TRAIN STATION COLUMBUS THE ROUNDHOUSE & HOBBYTOWN U S A 609-518-1800 BACKSHOP...
  • Page 26 TRAINS-N- THINGS THE STATION CHESTERFIELD HOBBIES NORTH CANTON NEW CUMBERLAND MIDLOTHIAN 330-499-1666 717-774-7096 804-379-9091 GRAND PACIFIC JUNCTION FRYER'S STORE DAVIS HOBBY SUPPLIES OLMSTEAD FALLS ORWIGSBURG PORTSMOUTH 440-235-4777 570-366-2258 757-397-1983 RICK'S TOY TRAINS CHESTNUT TOYBOX TOY TRAIN CENTER TOLEDO PHILADELPHIA RICHMOND 419-478-0171 215-545-0455 804-288-4475...

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