Sherwood Maintenance and Repair Manual - 48 Pages

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Sherwood Maintenance and Repair Manual

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Maintenance & Repair Manual 2 0 0 9 - 2 0 1 0 A COMPLETE GUIDE TO RUBBER IMPELLER PUMP IDENTIFICATION & REPAIRS

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The First 100 Years T he seawater pump is the heart of the marine engine, supplying a continuous flow of raw water to maintain temperatures consistent with the demanding engine performance. Over the years, Sherwood seawater pumps have developed a reputation of excellence in quality; and today are chosen for their performance and dependability by the most prestigious marine engine manufacturers. In the beginning, dating back to 1903, William Sherwood and his friend and business partner David Buick (of General Motors fame) operated a copper brass plumbing business. They parted ways as Buick...

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Engine Specified Pumps Model G20, G21 Model G30-2, G30-2B, G45-1 Model R991 (See pages 22-23, 30-32) Chris Craft 350 & 454 (See pages 16-17, 30-32) Yamaha (See pages 24-25) Model G9901 Model G9903 Model D55, D60, D65, D75 OMC/Volvo 4.3-8.2 (See pages 22-25, 30-32) Volvo/OMC 3.0-8.2 (See pages 22-25, 30-32) Chrysler M225-M440 (See pages 18-19) Model N10360GX Model E35 Model G5, G7, G7B, G50 Chris Craft 283 (See pages 16-17) (See pages 18-19, 33-34) Chrysler 318-340 (See pages 18-19, 30-32) The #1 Reason for Premature Engine Wear Is Overheating. To Maintain… 4

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Model G55-2 Model G155 Model G151 (See pages 22-23, 30-32) Marine Corp/Star Power Marine Corp/Star Power (See pages 26-27) (See pages 26-27) (See pages 24-29, 33-34) ...Engine Performance, insist upon Original Engine Specified Sherwood Products.

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Engine Specified Pumps (See pages 26-27) (See pages 20-21) (See pages 26-27) (See pages 24-25) (See pages 20-21, 30-32) (See pages 26-27) (See pages 24-29,33-34) Perkins Perkins The #1 Reason for Premature Engine wear is Overheating. To Maintain.

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PUMPS Model M71 Model P1016 Model RPBC (See pages 28-29, 30-32) (See pages 28-29, 35-36) Perkins (See pages 22-23) Model GC1, GC4, GC5 Model P176 Model P1710, P1726, P1732 (See pages 26-29, 30-32) (See pages 28-29, 37-38) (See pages 28-29, 37-38) Model P1711, P1719, P1733 Model P1716, P1722, P173 Model P1727, P1730, P1731 (See pages 28-29, 37-38) (See pages 28-29, 37-38) (See pages 28-29, 37-38) …Engine Performance, Insist Upon Original Engine Specified Sherwood Products. 7

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1000 1500 Impeller Performance 600 2500 RPM 2000 700 500 3000 LPM 400 300 3500 200 4000 100 4500 0 0 500 1000 1500 2000 2500 3000 3500 4000 RPM Genuine Sherwood Impellers & Impeller Kits Patented Impeller Puller 17000A, 18000, 22000, 26000, 27000 impellers contain a patented threaded insert design. Patent No. 6,116,855. (Additional patent pending for the 17000A) 23631 Puller used for: 17000A, 18000, 22000, 26000 24412 Puller used for: 27000 Impeller Kits Include: All Gaskets, O-rings, new Technical Service Guide and Engine Specified Impeller for up to 50 Sherwood pumps. Impeller Kits...

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impeller Removal and installation Threaded Impellers *17000A standard impeller in 17000K is threaded/thru-key design (Patent Pending). • Insert the Sherwood puller into the threaded insert. • Screw the puller against the shaft, lifting the impeller out of the housing or until loose. • Twist and pull the impeller out of the pump. • Apply a non-petroleum based lubricant to impeller (i.e. silicone or soapy water). • Install the impeller with a twisting motion onto the shaft. • Option: Use puller tool to push impeller into pump by loosening and lowering nut until tightens against impeller...

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Spllned Impeller Additional impellers vane impellers Impeller vanes were used for raw water pump applications prior to the design of the flexible rubber Impeller. Vanes are packaged In sets and must be ordered by assembly number.

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Pump Service Parts Major Pump and Parts Service Section The following parts list is made available for the identification of major components of raw water pumps currently active in marine engine applications. Although the pump may no longer be a unit in production, it may be a serviceable pump. This is intended to assist the distributors and their dealers with identification and ordering of parts. Engine Manufacturer Sherwood Number Engine Model D10C D15CC Ports Inlet O S O O P S O O O S * R10870G * G908 G908 * * D55 Impeller Kit Minor Repair Kit Major Repair Kit Seal & Seat/ Lip Seal 10997...

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09959, 10615, and 15000 G Series Technical Guide Assembly/Disassembly Instructions 23 4 11 10 1 2 11/15 8 6 7 21 20 16 16 12 19 3 14 13 9 22 5 The following assembly/disassembly procedures apply to all G Series pumps. Deviations from pump to pump are primarily a result of different methods of drive and mounting. Disassembly: A. Remove the screws (1) and lockwashers (2) that hold the body (3) and housing (4) together. B. The housing assembly including the impeller (5) can be removed from the body assembly, along with the o-ring (6), spacer plate (7) and gasket (8). C. Remove the woodruff key...

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09959, 10615, and 15000 G Series Technical Guide (continued) E. Push the bearing and shaft assembly into the body using care not to cock the bearing. A tool is recommended that will give you uniform pressure on the bearing outer race. Lock the bearing in place with the large internal retaining ring. F. Assemble the seat assembly (13), shoulder washer (12) and retaining ring (11 or 15) over the shaft from the impeller end. Locate the white ceramic surface against the seal – Do not damage (scratch) the white ceramic surface of the seat, or the seal and seat assembly might leak. Lubricate the...

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R Series Technical Guide Assembly/Disassembly Instructions The following assembly/disassembly procedures apply to all R Series pumps. Deviations from pump to pump are primarily a result of different methods of drive and mounting. Pump numbers can be found on the tag or stamped on the pedestal base of the pump. A. Remove the screws (1) and lockwashers that hold the cover to the body (3). Pull the cover and bushing assembly (2) off the drive B. Remove the vellum gasket (5). Sherwood recommends replacing the gasket each time the pump is assembled, however, if you plan to use the same gasket,...

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