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SELF-PRIMING MACERATOR PUMP With run-Dry protection Model 18590-Series FEATURES Pump: Self-Priming Flexible Impeller with Stainless Steel Wearplate Impeller: Jabsco Nitrile compound NEW Macerator: Stainless Steel Cutter reduces particle size to 1/8" (3mm) maximum. New 4 blade design. Seal: Ports: Capable of passing waste, toilet tissue, facial tissue, cigarettes, cigars, chunks of soft fruit or vegetables less than 1" (25mm) size, fish scales, or bait residue. Not designed to pass fruit pips, rags, wet strength kitchen towels, tampons or sanitary napkins. Lip Type Inlet - 1-1/2" (38mm) Hose Barb and 1-1/2" N.P.T. (Male) Outlet - 1" (25mm) Hose Barb NEW Motor: Permanent Magnet Type, Fully Enclosed, with Stainless Steel Shaft Includes Run-Dry Protection Device that shuts-off pump. Powder coated housing with sealed end-bells and bearings. Complies with USCG Regulation 183.410 and ISO 8846 MARINE for Ignition Protection. Weight: Applications Waste Evacuation The Jabsco 18590 series DC macerator pump unit is the ideal solution for emptying marine holding tanks when not in a discharge restricted area. Self priming to 5ft this pump will empty a typical 30 gallon (115 Liter) holding tank in less than 3 minutes. Duty cycle of the pump is 15 minutes continuous which means a 180 gallon (680 liter) can be emptied in a single operation 5 lb (2.3 kg) Approx. Specification Priming - 5ft When Wet 4ft When Dry It is recommended that holding tanks be flushed with several gallons of water after each pump out. This will reduce the possibility of a continued build up of sediment in the tank which could cause a potential blockage. HEAD CAPACITY and flow rates Head Ft Meters GPM Liters 0 0 12.5 47 5 10 15 20 1.5 3 4.5 6 11.5 10.5 9.0 7.5 AMPS 12 Volt 24 Volt 44 40 34 28 14.0 14.5 15.0 16.0 16.5 7.6 7.8 8.1 8.6 8.9 Fish box and Livewell Tank Evacuation The Jabsco Macerator Pump is the ideal pump for the emptying of Fish box and livewell receptacles. Very often the livewell tank will be above the waterline of the boat, when this is the case gravity can be used to empty the livewell tank. If not installed in this format then it is beneficial to use the Jabsco macerator pump for evacuation due to its self-priming capabilities and also it's grinding properties. † Flow rates and amperage will vary slightly depending on pump loading (sanitation system design). VARIATIONS AVAILABLE MODEL NO. 18590-2092 18590-2094 DESCRIPTION 12 Volt EMC 24 Volt EMC Fish boxes are typically mounted into the floor of the vessel and are very often below the waterline or only partially above the waterline. Again the Jabsco Macerator pump has the characteristics that lend themselves to this application. The bait residue particles of ice, fish scales and anything else that could potentially be found in the Fish-Box will be easily passed buy the Jabsco Macerator Pump, and the self priming capabilities are perfect for fish box installations common to many of today's sports fishing boats. Grinding Capabilities - capable of grinding waste down to a particle size of 1/8" (3mm) max. 1

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General Installation Suggestions Installation for Fish box and Livewell applications The pump can be mounted in any orientation without loss of performance. It is however recommended that if the pump is mounted vertically then the pump head be mounted below the motor (pump head facing downwards) As with the waste application the Jabsco Macerator Pump can be installed at any convenient point between the fishbox/livewell receptacle and the discharge port. It is recommended that it be installed as close to the tank as possible, this will increase the performance of the pump. It is also...

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Exploded View 14 13 11 12 10 9 8 7 7 6 5 4 1 2 3 15 PARTS LIST ASSEMBLY Key Description Qty. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Acorn Nut Fiber Washer* Stud* Macerator Housing Chopper Plate with Locknut Wearplate, Large Gaskets (2 each per kit)* Impeller* Wearplate, Small Body* Seal* Slinger Stud Motor 12 Volt Motor 24 Volt Grommets (Set of 4) Service Kit 4 4 2 1 1 1 1 1 1 1 1 1 2 1 1 1 1 Part Number If installing a new seal, push it into the seal bore of the body with the lip pointing toward the impeller bore. Press the starlock washer into the seal bore with the concave side up to secure...

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DIMENSIONAL DRAWING Inches (Millimeters) 4-11/16 (119) FOR USE WITH 1" (25) I.D. HOSE 11-9/16 (294) 2-5/8 (67) 5-1/8 (130) 3-1/4 (82) FOR USE WITH 1-1/2 (38) L.D. HOSE 3/4 (19) 1-3/4 (44) 1-1/2 (38) NPT 1-7/8 (45) 3/8 (10) 5-7/8 (174) 2.00 (51) 3-9/16 (90) Troubleshooting Pump Does Not Start: from turning freely. If this occurs, the impeller can be broken free by removing the rubber cap on the shaft at the rear end of the motor, inserting a screwdriver in the slot and rotating the shaft clockwise a quarter turn or more. When impeller is broken free, reinstall the plastic cap on the motor...

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