™
ProtoSmoke
Unit Operation
This diesel locomotive contains a smoke unit that outputs smoke through the exhaust
stack(s) of the engine. The smoke unit is essentially a small heating element and wick
that soaks up and then heats a mineral oil-based fluid that emits a harmless smoke. The
smoke is then forced out of the stack by a small electric fan. With a few easy
maintenance steps, you should enjoy trouble-free smoke unit operation for years.
When preparing to run this engine, add 15-20 drops of smoke fluid through the
smokestack (see photo below). We recommend M.T.H. ProtoSmoke fluid (a small
pipette of ProtoSmoke fluid is included). Do not overfill the unit or the fluid may leak
out and coat the interior engine components.
If you choose not to add the fluid (or have already added the fluid but choose to run
smoke-free), turn off the smoke unit control (see photo below) by turning to full
Counter Clockwise Position). Failure either to add fluid to the unit or to turn it off may
damage the smoke unit heating element and/or wicking material.
Figure: Smoke Unit Cap
Running the engine without a primed
smoke unit may cause damage
RailKing One-Gauge SD70ACe Diesel Engine w/Proto-Sound® 3.0
When the smoke output while running
the engine begins to diminish, add
another 10-15 drops of smoke fluid or
turn the smoke unit off.
When storing the unit for long periods
of time, you may want to add about 15
drops of fluid to prevent the wick
from drying out.
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Smoke Unit Control
Figure: Smoke Unit Switch Location
Add Smoke Fluid
