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It may be that they added a foam concentrate tank at some point. Is there any brownish/black stinky residue in there? The add-on may not have performed satisfactory or they had problems with gumming up lines and just removed the lines, so an inexperienced operator would not be able to feed foam into the system by mistake.neil2007 said:Yes... One of the local fire departments added the extra top tank. It was obviously something that was fabbed up on-site. (Left a little to be desired as far as quality.)
I was looking at it the other day and it is not mounted down or plumbed into anything now. I could lift it up off the bed without anything restricting it's movement. Most of the piping is gone from between the tanks too. I need to do some more looking, but it almost looks like th whole thing had been disabled by removing sections of the piping. Is this a common practice for county agencies to do when they sell old equipment?
I second the primer pump for what the purpose of the 24V motor is. It evacuates air from the pump and/or the attached suction hose, thereby bringing water into the pump (priming). The centrifugal fire pumps are not self priming.