Figure 2.2.
Railway Car With Hook and Link Coupler.
2.10.
ASSEMBLY
The general method of assembling a car of the knockdown fleet,
with the exception of tank cars, follows. First, assemble the trucks
and the underframe. Then, install miscellaneous items to underframe,
including airbrake equipment, and apply to the underframe's end sill
such parts as coupling, draft gear, buffers, and blocks. Next, mount
the underframe assembly to the trucks.
Lastly, attach body side
bearings, shims, and wear plate to body bolster. When required, add
the proper superstructure.
The components of unassembled cars are
packaged in quantities that permit issue of cars in multiples of 10;
components common to all cars are packaged separately from those
peculiar to one type of car.
2.11.
FLATCAR
Known as the workhorse of rail service, a flatcar is used to
transport very large and very heavy items.
The basic unit of the
knockdown fleet is the flatcar. It is simply a floor laid over the
underframe sills and placed on trucks; it has no housing or body.
Figure 2.3 shows the major components of the flatcar, and figure
14
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