Introduction
Operation Manual - SP 305
8
8/4/11
Model Number Nomenclature
The complete model number of Schwing America’s
concrete pumps is designated by codes like the
following:
SP 305
The code is broken down as follows:
The “P”, as the illustration shows, stands for pumpkit.
The 305, in this example, designates 30 yards per hour
and the 5 inch diameter of the material cylinders.
Other pumpkits are available for this machine style,
and using any of them would change the model number
of the unit. For example, if you ordered this unit with a
204 pumpkit, the model number of the same unit would
become:
P 305
The pumpkit has its own complete model number
which will tell you about the differential cylinder bore
diameter, rod diameter, and stroke length, as well as the
material cylinder diameter. You will find this used on
the output charts and nomographs for specific
machines. For example:
The bore diameter of the differential cylinders in this
example is 2.5 inches, while the rod diameter is 1.75
inches. The stroke length of the differential cylinders is
30 inches, and the diameter of the material cylinders is
5 inches.
ID Tags
There is an identification tag on the unit, called the
main ID tag
. The main ID tag is attached on the
passenger side of the subframe (Figure 2).
Schwing
Pumpkit
Pumpkit yards per hour
Diameter of material c
linder (5 inches)
305nomen.eps
530PS
2.5 / 1.75 x 30 : 5
Diff. cyl. bore dia. (in inches)
Diff. cyl. rod dia. (in inches)
Diff. cyl. stroke length (in inches)
Material cyl. diameter (in inches)
305pknomen.eps
ID tag
SN stamping
mavIDtag.eps
Figure 2
Main ID tag and stamped serial number locations
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