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In addition to the internal gearing, it is a good idea to lubricate the leading
and trailing locomotive truck "tongues" to enhance their ability to slide on
the chassis. Follow the grease points as seen in Figure 8 on page 27.
Periodically, check the locomotive wheels and pickups for dirt buildup as
this can significantly affect the engine's ability to perform properly. Dirty
track and dirty wheels can cause both poor electrical contact as well as poor
traction, especially on elevated track sections. Finally, dirt and oil build up
can prematurely wear out the neoprene traction tires.
TRACTION TIRE REPLACEMENT
INSTRUCTIONS
Your locomotive is equipped with two neoprene rubber traction tires on
the rear set of flanged drivers. While these tires are extremely durable and
long-lasting there may arise a time where they will need to be replaced.
Should this occur, you will need to remove the side rods from the wheels in
order to slip the new tire over the grooved drive wheel.
Before the new tire can be installed, you must make sure the old tire has
been completely removed from the groove in the drive wheel. Use a razor
Rear Boiler Mounting Screws
Figure 10: Removing The Boiler From The Chassis
blade or small flatblade screwdriver pry away any remains left from the old
tire that may still be in the drive wheel groove. Once the old tire has been
completely removed, slip the new tire onto the wheel. You may find it
useful to use two small flatblade screwdrivers to assist you in stretching the
tire over the wheel. Be careful to avoid twisting the tire when stretching it
MTH Blue Comet Operating Manual
Front Boiler Mounting Screw
28
Front Boiler Mounting Screw
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