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QUICK START - BASIC OPERATION
The RailKing Berkshire 2-8-4 contains state-of-the art electronics with
several built-in automatic features for incredibly realistic operation. Despite
these advanced features, the Berkshire 2-8-4 is easy to operate with any
compatible standard AC transformer (see the compatibility chart on page
34). All models are equipped with an operating smoke system that should
be primed with smoke fluid before operating. Adding 15 - 20 drops of
fluid through the smoke stack should be sufficient. If you choose to not
prime the units with fluid, turn the smoke unit switch located under the
trailing truck to the OFF position. (See Figure 3 on page 4) This will
prevent any damage from occurring to the smoke unit when running the
engine without a primed smoke unit. For more information see the section
on page 4 on Smoke Unit operation.
The Berkshire 2-8-4 model is controlled
by a ProtoSound® DCRU® electronic
reverse unit. The reverse unit operates in
the same manner that all reverse units
function by using forward, neutral and
reverse states that are entered each time the
throttle is turned on and off or by using the
transformer direction switch (if so equipped).
The reverse unit is designed to ignore dirty track, dead spots on switches
or minor short circuits without disrupting the engine operation, even at
RESET
Forward
Figure 2: ProtoSound® DCRU® Cycle Phases
the plug is inserted, the throttle on the transformer can be advanced. You
will see that only the engine's lights come on and that on ProtoSound®
equipped engines, two dings from the sound system will chime followed by
the steam compressor pump sounds. The engine does not run. This is
known as the RESET state and is explained in more detail beginning on
Page 5. The ProtoSound® DCRU® will not power the motor until the
throttle is turned OFF and then ON again. At this point, the engine will
now function just like any other electronic or mechanical E-unit.
RailKing Berkshire 2-8-4 Operating Manual
slow, prototypical speeds. Before
Neutral
the engine can be operated however,
Reverse
the reverse unit plug that extends out
of the tender must be inserted into
Neutral
the receptacle at the back of the
boiler cab as seen in Figure 1. Once
Use First Hole For O-72 Operation
Use 2nd Hole For Display and 96 Inch
or larger diameter curves
Figure 1: Plugging in the tender harness
3
Plug Tender Plug Into
Boiler Socket At Back Of Cab
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