Harrington Hoists and Cranes HPC 500 End Truck - Manual (Page 11)

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3.0 Pre - operational Procedures
3.1 Runway
3.1.1

Crane systems must be intalled on runways that are properly designed, fabricated,
installed, and supported. The runway must meet the requirements of CMAA Specification 74.
3.1.2

Read through all steps completely before proceeding with installation.
3.1.3

All operations associated with the assembly and installation of the end trucks
and/or the crane system should be performed under the supervision of a Qualified Person (see Section
5 for the definition of Qualified Person).
3.1.4 Underhung – When HPC500 end trucks are assembled in the Underhung configuration, they are
designed to fit runway beams as follows. If your runway beam does not meet these dimensional
requirements, contact your supplier for help.
End Truck Beam Flange Width Beam Depth
HPC505 3 to 6 inches 5 inches
HPC510 3 to 6 inches 6 inches
HPC520 3.33 to 6 inches 8 inches
means “greater than or equal to”
3.1.5 Top Running – When HPC500 end trucks are assembled in the Top Running configuration, they are
designed to fit rail or square bar with a width between 1½ and 6 inches. Most commonly HPC500 end
trucks set up for Top Running applications use any of the following sizes of ASCE Rail:: 25#, 30#, 35#,
or 40#. Alternately, you can use any of the following sizes of square bar: 1½ inch, 1¾ inch, or 2 inch.
3.1.6 End Stops – The owner/installer must make sure that the runway beams are equipped with end stops
to prevent the end trucks (or crane) from rolling off the end of the runway beams.
3.2 Bridge Beam
3.2.1

Read through all steps completely before proceeding with installation.
3.2.2

All operations associated with the assembly and installation of the end trucks
and/or the crane system should be performed under the supervision of a Qualified Person (see Section
5 for the definition of Qualified Person).
3.2.3 Size – For the use of either a MANUAL or ELECTRIC HOIST on your HPC500 crane, use Table 3-1 to
select the beam to use as the Bridge Beam.