LUBRICATION
The ScaleTrains AC4400 locomotive represents hours of careful research
and design work, and we are proud to present it to you. With the right
care, it should provide years and years of model railroading enjoyment.
Out of the box, the model should be ready for service, no lubrication
should be necessary; it has been carefully lubricated at the factory for
optimum performance. If the need to lubricate should arise, please follow
these guidelines:
• Be sure to use a plastic-compatible lubricant! Most
household lubricants, such as “3-in-1” type oils, may
damage the slippery engineering plastic found in the
driveline of the model. Wherever possible, use lubricants
designed specically for model railroad or similar hobby
uses, and if in doubt, check the label for any compatibility
warnings.
• Use the right type of lubricant in the right location! For
metal-to-metal bearing surfaces, the use of light or medium
oils is recommended. For plastic-to-plastic applications,
such as gears, light greases are recommended.
• Always use lubricant sparingly! As the saying goes, a little
goes a long way. When applying lubricant to bearing
surfaces, a tiny drop or dab applied with a ne point, such
as a tootpick, should be more than sufcient. Any excess
lubricant oozing from a bearing surface should be carefully
wiped away with a paper towel. Excess lubricant that
migrates onto electrical pickups can impede power and
DCC signal pickup and lead to erratic operation.
Lubrication points will be the same as would be expected in most any
model locomotive. On the locomotive power trucks, the bearing is
behind the wheel so a small drop of light plastic compatible oil can be
used behind each wheel as necessary.
The interior of the model is lled with circuit boards and wiring for the
many features of your locomotive, so great care must be taken when
applying lubrication to areas that may require it inside the locomotive.
Refer to the disassembly instructions and exploded diagrams to
understand how to remove the body to access the inner workings of
the locomoitve. This information may be included with the model or
available on our website.
Lubrication points inside the locomotive would be the motor bearings,
where a small drop of oil between the motor ends and brass ywheels,
on the motor shaft, will be sufcient. The other location would be
at the worm shafts on the top of the gearboxes. These too can use
a small drop of oil at both ends of the shaft. One end being where
the driveshafts are attached to the metal worm shaft and the other
being the opposite end where the shaft slightly protrudes out of
the outermost bearing. Grease can be applied to the gear box by
removing the worm cover and then the worm and shaft. Once the
worm and shaft are removed, a small amount of grease can be applied
to the top gear box gear: the one that contacts the worm gear, then
the worm and worm cover can be reinstalled. As the locomotive runs,
the grease will be distributed inside the gearbox to all the gears.
Whenever possible, avoid contact of the lubricant to the model’s
exterior nish. Oils and greases can harm the factory paint and
lettering. Any excess that may make contact should be gently wiped
away with a paper towel or other ne cloth.
Due to the delicate nature of the interior components inside the
locomotives, if there is any concern, it may be best to contact your
local dealer or contact us directly to help guide you through the
lubrication process. Our support team is available by email at:
Support@ScaleTrains.com.
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