Rail King 4-6-4 Hudson Steam Locomotive Operator's Manual download pdf (Page 16)

Self Charging Battery Back-up

The special NiCad 2.4v self-charging battery recharges continuously during train

operation and should last for up to five years. The battery is a dry battery that

should not leak or cause any damage to your engine. Depending upon when your

engine was built, it may need to be charged right out of the box. If engine sounds

seem distorted or garbled at low voltages or become silent when power from the

transformer is turned off, test the battery to determine whether it should be

recharged or replaced.

Test: Put the engine in neutral and leave the track voltage at 10-12 volts (high

enough for the lights to shine brightly) for 15 minutes.

Recharge: If the sounds are improved at the end of the 15-minute test charge,

the battery charge has run down and can be recharged. There are a number of

ways you can do this:

• Leave the engine in neutral with track voltage at 10-12 volts for 6-7

hours so the battery can fully recharge (if your engine has a smoke unit,

be sure it is turned off).

•Use M.T.H.'s battery recharger (sold separately) that plugs into a wall

outlet and a special port under the engine to recharge the battery

overnight without leaving it on the track.

Replace: If the sounds are not improved at the end of the 15-minute test charge,

it is time to replace the battery. Available through M.T.H. Parts.

RailKing 4-6-4 Hudson Steam Engine

Tender Shell Screws

Figure 9

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Rail King 4-6-4 Hudson Steam Locomotive Operator's Manual Page 16