The foot valve should be completely submerged when the pump is operating. The suction screen should rest in clear water-not in mud or debris, which might be drawn into the pump. If the pump fails to draw water or if the discharge nozzle shows and uneven stream, look for a poor connection allowing air leakage into the suction side.
The strainer should be completely submerged in water. Be sure that proper-size gaskets are used at all of the suction connections. It is hand primed up to a suction lift of 16 to 20 feet.īefore operating the P-250 Mod 1, make sure that all of the suction hose connections between the foot valve and the pump are tight. The P-250 Mod 1 can pump 250 gpm at 125 psig. When used for dewatering, it draws a large volume of waterįrom flooded compartments and discharges it into the sea. When used for fire fighting, the P-250 Mod 1 draws water from the sea and pumps the water through suitable hoses and nozzles at a high pressure. It is used in fire fighting and in dewatering operations. In the upper left hand corner you will find the " CLICK FOR PRINTING" button, click on it if you want to print it out.The P-250 Mod 1 is a gasoline-driven portable pump with an internal-combustion engine. Schematics, manuals and blueprints are several times larger than your screen, so please do not forget to expand your web browser over the entire screen, then zoom in the schematic, blueprint or manual and grab it with your mouse and move it around on your screen to see everything.
To become a Firearms Guide user please go here: Please find a list of some schematics, blueprints and manuals below in this page.įirearms Guide users can print them out in as many copies as they want for their archive or they can zoom in on them on their screen to see the smallest parts or dimensions, or to read manuals directly on the screen when they are working on their guns. Firearms Guide provides for its user over 15,000 printable gun schematics (diagrams or exploded views), blueprints with dimensions and tolerances, complete printable original military manuals, gunsmith's manuals, armorer’s manuals, army maintenance instructions, armorers instructions, cross sectional views, cutaway view, parts plates, disassembly instructions, parts lists with original parts numbers or codes, antique manuals, armorers repair manuals, army maintenance guides for antique and modern rifles, revolvers, pistols, handguns, shotguns, machine guns, submachine guns, assault rifles, black powder guns, muskets, etc.
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