Marine Catalog
48Pages

Maintenance & Repair Manual 2 A COMPLETE GUIDE TO RUBBER IMPELLER PUMP IDENTIFICATION & REPAIRS

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 became more interested...

Please visit us at www.sherwoodpumps.com 3

Engine Specified Pumps (See pages 22-23, 30-32) Chris Craft 350 & 454 Yamaha OMC/Volvo 4.3-8.2 Volvo/OMC 3.0-8.2 Chrysler M225-M440 (See pages 22-25, 30-32) (See pages 22-25, 30-32) (See pages 18-19) Chris Craft 283 (See pages 18-19, 33-34) Chrysler 318-340 The #1 Reason for Premature Engine wear is Overheating. To Maintain...

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.

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.

Model RPBC …Engine Performance, Insist Upon Original Engine Specified Sherwood Products. 7

General Service Pumps • Mechanical Seal • Bronze Housing • Stainless Steel Shaft • Sealed Ball Bearing • Excellent for Engine Cooling, Either as Replacement for Obsoleted Pump or New Installation Model No. Impeller G1 G2 G3 G4 G11 Port Size 1" Hose 1" Hose 1-1/4" Hose 1-1/4" Hose 1/2˝ NPT • See Impeller Flow Curves on Page 10 for Performance. R Series • Heavy Duty Design for Pulley Drive or Long Couple • Mechanical Seal for Extended Seal Life • Rear Support Bushing for Load Absorption • Ball Bearing Supported Drive Shaft • Corrosion Resistant Bronze Constructed • Neoprene Impeller and Buna...

impeller Performance Genuine Sherwood impellers & impeller Kits Patented Impeller Puller threaded insert design. Patent No. 6,116,855. (Additional patent pending for the Impeller Kits Include: All Gaskets, O-rings, new Technical Service Guide and Engine Specified Impeller for up to 50 Sherwood pumps. Impeller Kits Available:

Impeller Removal and Installation Threaded Impellers (17000A*, 18000, 22000, 26000, and 27000). Patent No. 6,116,855. Removal • Remove the cover. • Insert the Sherwood puller into the threaded insert. • Screw the puller against the shaft, lifting the impeller out of the housing or until loose. Threaded Impellers • Twist and pull the impeller out of the pump. Installation • 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...

Diameter: 3-5/16" (84mm) Threaded/Thru-key Insert Diameter: 3-3/4" (95mm) Note: 18000S is an 18000 impeller with a stainless steel insert. Diameter: 3-3/4" (95mm) Note: 26000 has a 45º Spline.

Splined Impeller Additional Impellers Part # Shaft Diameter Vane Impellers Vane Assembly Number Vane Description Vane Pumps 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.

Seawater Strainer and Bracket • Full-Flow Filtering with Ultra-Low Pressure Differential • Easy In-Line Cleaning • Durable Non-Corrosive Construction • Quick Clear Bowl Examination • Lightweight with Optional Mounting Bracket • Stainless Steel Screens Strainer Description Strainer Number Screen Mesh 20 Mesh 50 Mesh 20 Mesh 20 Mesh 20 Mesh 20 Mesh

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 Seal & Seat/ Lip Seal 1/2" NPT 1/2" NPT 3/4" NPT 3/4" NPT 7/8" 7/8" 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT 1/2" NPT 1 1/4" 1 1/4" W/O Port...

ENGINE MANUFACTURER SHERWOOD NUMBER PUMP AVAIL PREPLACEMENT PUMP ENGINE MODEL SEAL & SEAT/ LIP SEAL BEARING ASSEMBLY CHRIS CRAFT

Pumps by Engine Manufacturer SHAFT GASKET / O-RING WEAR PLATE PULLEY / GEAR / HUB / ADAPTER RETAINING RING

ENGINE MANUFACTURER ENGINE MODEL SHERWOOD NUMBER PUMP AVAIL PREPLACEMENT PUMP SEAL & SEAT/ LIP SEAL BEARING ASSEMBLY CRUSADER (DEARBORN ) Model 220,270,300,350 Chevy RH Rotation Chevy RH Rotation

GASKET / O-RING WEAR PLATE RETAINING RING PULLEY / GEAR / HUB / ADAPTER

ENGINE MANUFACTURER ENGINE MODEL PUMP AVAIL SHERWOOD NUMBER PREPLACEMENT PUMP PORTS INLET SEAL & SEAT/ LIP SEAL BEARING ASSEMBLY GLASTRON BOAT CO. 121, 182, and 302 CI GRAY MARINE 4 Cyl MARINE CORP. OF AMER. (SEE STAR POWR) MARINE POWER NORTH AMERICAN ENGINE 6.2L Diesel ONAN 12MDJC-15 MDJF

GASKET / O-RING WEAR PLATE PULLEY / GEAR / HUB / ADAPTER RETAINING RING

ENGINE MANUFACTURER ENGINE PART NO. PUMP AVAIL ENGINE MODEL SHERWOOD NUMBER PREPLACEMENT PUMP PORTS INLET SEAL & SEAT/ LIP SEAL BEARING ASSEMBLY OSCO MOTORS OWENS FLAGSHIP MARINE Model V8 PALMER I.H. 60 PATHFINDER VOLKSWAGON ENG. 4 Cyl PERKINS ENGINE U.S. 40-107 Diesel PLEASURECRAFT MARINE Chevy 454 Atomic Four Atomic Four STARPOWER Inboard Stern Drive UNIVERSAL MEDALIST * Utilty Four Model OK-OL Model OK-OL Light Plants Light Plants Light Plants Light Plants Light Plants