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RKS SD-45 Diesel Engine with 

15

Loco-Sound

Troubleshooting Loco-Sound  Problems

Although Loco-Sound 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 (e-mail: 
service@mth-railking.com; telephone: 410-381-2580; 
fax: 410-423-0009; mail: 7020 Columbia Gateway Drive, Columbia MD 21046-1532).

Starting Up

Whistle

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 whistle to blow when I 
press the whistle 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, Loco-Sound is programmed to start up in neutral 
anytime track power has been turned off for several seconds.  
See the "Basic Operation" section for more details.
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.

Lock-out

Remedy

I can't get the engine to run after I 
power up the transformer.  It sits still 
with the engine sounds running.
The engine won't lock into forward, 
neutral, or reverse.

The engine may be locked into the neutral position.  Follow 
the procedure in the "Lock into a Direction" section to 
unlock the engine's direction.
Engine speed must be below 10 scale mph (approx. 10 volts 
or less in conventional mode).  

Volume

Remedy

The sounds seem distorted, 
especially when the Horn or bell is 
activated.
No sound.

Loco-Sound volume is set too high.  Turn the volume 
control knob on the bottom of the tender counter-clockwise 
to reduce the volume. 
Volume is set too low, adjust volume control knob on the 
bottom of the chassis clockwise to increase the volume or 
check connector to speaker.

Summary of Contents for RKS SD-45

Page 1: ...ate 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 page 22 for a complete...

Page 2: ...attended Obstructed accessories or stalled trains may overheat resulting in damage to your layout l This train set is intended for indoor use Do not use if water is present Serious injury or fatality...

Page 3: ...the engine to prevent it from squeaking Use light household oil and follow the lubrication points marked L in Figure 1 Do not over oil Use only a drop or two on each pivot point RKS SD 45 Diesel Engin...

Page 4: ...to add smoke fluid or have already added fluid but choose to run smoke free turn off the smoke unit by turning the smoke unit switch to the OFF position Failure either to add fluid to the smoke unit...

Page 5: ...ill 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 bell firmly press and release...

Page 6: ...by this engine turn the master volume control knob located next to the fuel tank clockwise to increase the volume and counter clockwise to decrease the volume RKS SD 45 Diesel Engine with 6 Loco Sound...

Page 7: ...ard It is also affected by the addition or releasing of cars while on the run To maintain a constant speed when speed control is turned off you need to adjust track voltage yourself To turn speed cont...

Page 8: ...lowing approximately second to lapse between each quick button press The engine will not change direction including going into neutral until you repeat the 1 whistle 3 bells code to return the engine...

Page 9: ...he gears 1 To access the gear box remove the cab from the chassis by unscrewing the body mount screws as seen in Figure 5 and lifting the cab from the chassis 2 Once the cab is removed remove the truc...

Page 10: ...h can cause poor electrical contact and traction and prematurely wear out the neoprene traction tires Wheels and tires can be cleaned using denatured not rubbing alcohol applied with a cotton swab To...

Page 11: ...heel 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 screwdrivers to stretch the tire over...

Page 12: ...ect plug that attaches the bulb harness to a connector terminal Gently disconnect the bulb harness from the connector terminal and remove bulbs through the rear of the headlight socket Insert the new...

Page 13: ...adjust the amount of smoke produced turn the smoke unit volume control clockwise to increase the amount of smoke or counter clockwise to reduce the amount se Figure 3 If you choose not to add smoke f...

Page 14: ...remove the smoke unit inspection cover see Figure 9 After removing the inspection cover screws lift the inspection plate away and inspect the wick If it is darkly discolored and hard it should be rep...

Page 15: ...king approximately one full secondtofullydepressthebutton This is normal behavior To prevent accidental high speed start ups Loco Sound is programmed to start up in neutral anytime track power has bee...

Page 16: ...c Lionel RS 1 Red Terminal Black Terminal 0 18v 50V A Electronic Electronic Lionel RW U A 9 19v 110 Watt Standard Lionel SW U A Unknown 130 Watt Standard Lionel TW U A 8 18v 175 Watt Standard Lionel Z...

Page 17: ...less of whether you discussed the problem with a service technician when contacting the Service Center for your Return Authorization Please make sure you have followed the instructions carefully befor...

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