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To check the quality of the stripped runner a sample should be taken from casing tank or collection barrel, approximately one meter from the end of the runner. When pulled between the forefinger and thumb with a minimum of pressure applied, no manure or mucosa should be present. Line cleaning, each machine in a line progressively removes a little of the mucosa as the runner proceeds through the line. To test the quality of the finished product a sample should be taken from the finished casing tank or collection barrel, the end of the runner should be found and a section of it and with clean water. The appearance should be of a translucent nature with no traces of mucus present; should the casing not be completely clean patches of mucus will be clearly visible as the casing will discolour slightly when and where these occur.
It is most important that the operator who separates the runners from the viscera, or if collected cleaning takes the material from the transport barrel, feeds the runner into the machine at a point as near as possible halfway along the length of the runner and that the slaughter house operator does not cut into the wall of the runner. If the operator feeds the looped runner into the machine after say, 2 or 3 metres has been separated, then the machine will attempt to extrude most of the mucosa through one end of the runner instead of 50% through each end.
The theoretical setting of the pulling rollers of each stripper crusher machine in a line is that they should be adjusted so that an equal amount of mucosa is removed by each machine. This is not however always possible due to a variety of conditions. The function of the crushing roller is to crush the gut and loosen the mucosa ready for evacuation by the pulling roller on the next machine. Crushing rollers like the pulling rollers should be adjusted so that an equal amount of mucosa is loosened and thus removed at the next stage. The crushing roller of the last stripper crusher in line should also be adjusted so that the thread will easily separate after process through this machine.
A. The SSD under water casing conveyor guarantees pre-soak conditioning, to elevating conveyor transfer point on a hog casing cleaning line.
B. This picture shows a second stripper crusher machine and maximum Mucosa recovery on two hog casing cleaning lines.
C. Quality hog casings feeding into a stripper crusher machine (note - no holes during Mucosa removal).
D. Again, hog casings feeding into a stripper crusher machine.
E. This picture shows a hog casing finishing machine. The view is of the feeding side with the thread removal chute exposed (note – no broken casings in the thread tray).
F. This picture shows the delivery side of a hog casing finishing machine with beautifully clean casings emerging and falling into the cold water recycling tank.
G. This picture shows clean hog casings before salting.
H. This picture shows perfectly cleaned hog casings immediately after salting and bundling.
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