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Troubleshooting 

Although the horn and bell model 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  

(Order online:  www.mth-railking.com, e-mail: 

parts@mth-railking.com,Fax:  410-423-0009, Phone: 410-381-2500, Mail: 7020 
Columbia Gateway Drive, Columbia MD 21046-1532, ). 

Starting Up

Horn

Bell

Remedy

Remedy

Remedy

When I first turn the power on, the 
engine will not begin to run. 

The engine will not start after I press 
the Direction button.

I can't get the horn to blow when I 
press the horn button.

I can't get the bell to ring when I press 
the bell button.

You may be pressing the button too quickly.  Try pressing 
the whistle button more slowly, taking approximately one 
full second to fully depress the button.

You may be pressing the button too quickly.  Try pressing 
the bell button more slowly, taking approximately one full 
second to fully depress the button.

This is normal behavior.  To prevent accidental high-speed 
start-ups, the model is programmed to start up in neutral 
anytime track power has been turned off for several seconds. 

You may not be sending enough power to the track to power 
the engine.  Press the throttle up for a few more seconds to 
increase track power.

Volume

Remedy

No sound horn or bell sounds.

Volume is set too low, adjust master volume control on the 
bottom of the chassis clockwise to increase the volume or 
check connector to speaker.

RKS SD70ACE with Horn & Bell

10

Summary of Contents for RailKing RKS SD70ACE

Page 1: ...ny 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 page 11 for a complete list of...

Page 2: ...inside If the unitisdamagedcontactM T H Serviceforinstructions l The transformer is equipped with an internal circuit protector If the circuit protector trips unplug the power cord from the electrica...

Page 3: ...l exposed moving parts before operating using a multi purpose plastic compatible oil available with M T H s Maintenance Kit 30 50010 sold separately or a light household oil Follow the lubrication poi...

Page 4: ...ltage and speed The engine will maintain the speed you set after you release the throttle until you turn it again to change the voltage and speed Bell To sound the bell in an engine equipped with a be...

Page 5: ...ume control shown below clockwise to increase the volume and counter clockwise to decrease the volume You must first remove the fan cover to access the manual volume control Manual Volume Control Manu...

Page 6: ...o access the gear box remove the cab from the chassis by unscrewing the body mount screws shown below and lifting the cab from the chassis 2 Once the cab is removed remove the trucks by unscrewing the...

Page 7: ...alcohol applied with a cotton swab To clean the track use RailKing Track Cleaning Fluid found in Maintenance Kit 30 50010 or denatured not rubbing alcohol and a clean rag Unplug the transformer and w...

Page 8: ...oved from the groove in the drive wheel using a razor blade or small flathead screwdriver to pry away any remains 2 Slip the new tire onto the wheel You may find it useful to use two small flathead sc...

Page 9: ...moved locate the burned out lamp s Carefully remove lamp s from mounting Disconnect the lamp harness from main wire harness Replacement lamp harnesses are available directly from the M T H Parts depar...

Page 10: ...the bell to ring when I press the bell button You may be pressing the button too quickly Try pressing the whistle button more slowly taking approximately one full second to fully depress the button Yo...

Page 11: ...tt Standard Lionel 1063 Lionel LW Powermaster U A U A U A 8 17v 8 18v 8 18v 60 Watt 75 Watt 135VA Standard Standard Electronic All Trol Left Terminal Right Terminal 0 24v 300 Watt Electronic Dallee Ho...

Page 12: ...refully before returning any merchandise for service Authorized M T H Service Centers are independently owned and operated and are not agents or representatives of M T H Electric Trains M T H assumes...

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