Lionel 726 Berkshire 2-8-4 steam locomotive, Operating Instructions Manual, Page: 9 / 16

9
Operating and servicing your set
ADDING FLUID TO THE SMOKE GENERATOR
Y
our locomotive is equipped with a smoke generator that produces safe, clean white smoke
during operation.
The smoke generator requires the periodic addition of Lionel smoke fluid in order to
function. Pierce the tube end with a pin, then add four to eight drops of fluid directly into
the stack as shown in Figure 5. Smoke production commences momentarily, faster if you run
your locomotive at high speed. When smoke production wanes, add more fluid (four to eight
drops). An idle locomotive will not smoke. Always keep a small amount of smoke fluid in the
smoke generator; the generator’s element can become damaged if operated without fluid.
Smoke production is greater at higher voltages and when the locomotive is pulling a heavy
load or long consist.
If you choose to operate your locomotive without smoke, slide the smoke unit switch to the
NO SMK position. See Figure 1 on page 4 for the location of the smoke unit switch.
Figure 5. Adding smoke fluid
Add 4-8 drops of
smoke fluid here