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Instructions-Parts
3:1 Ratio
President® Pump
Used for transfer, supply, and recirculation of compatible fluids. For professional use only.
360 psi (2.5 MPa, 25 bar) Maximum Fluid Working Pressure
120 psi (0.8 MPa, 8.3 bar) Maximum Air Input Pressure
Part No. 218747, Series C
Stainless Steel, Stubby Size, UHMWPE and Leather Packed
Part No. 237142, Series A
Carbon Steel, Stubby Size, Leather Packed with PTFE Backup
Part No. 237143, Series A
Carbon Steel, Stubby Size, Leather and PTFE Packed
Part No. 237146, Series A
Stainless Steel, Stubby Size, PTFE Packed
Part No. 218795, Series C
Stainless Steel, 55 Gallon (200 Liter) Drum Size, UHMWPE and Leather Packed
Part No. 237144, Series A
Carbon Steel, 55 Gallon (200 Liter) Drum Size, Leather Packed with PTFE Backup
Part No. 237145, Series A
Stainless Steel, 55 Gallon (200 Liter) Drum Size, PTFE Packed
See page 3 for model information, including maximum working pressure and approvals.
Important Safety Instructions
Read all warnings and instructions in this
manual before using the equipment. Be
familiar with the proper control and
usage of the equipment. Save these
instructions.
307674U
EN
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Summary of Contents for Graco President 218747
- Page 1 Instructions-Parts 3:1 Ratio President® Pump 307674U Used for transfer, supply, and recirculation of compatible fluids. For professional use only. 360 psi (2.5 MPa, 25 bar) Maximum Fluid Working Pressure 120 psi (0.8 MPa, 8.3 bar) Maximum Air Input Pressure Part No. 218747, Series C Stainless Steel, Stubby Size, UHMWPE and Leather Packed Part No.
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Page 2: Table Of Contents
Technical Specifications ....20 Graco Standard Warranty....21... -
Page 3: Models
Models Models Maximum Fluid Part and Air Description Approvals Pressures Stainless Steel, Stubby Size, 218747, Series C UHMWPE and Leather Packed Carbon Steel, Stubby Size, Leather 237142, Series A Packed with PTFE Backup Carbon Steel, Stubby Size, Leather 237143, Series A and PTFE Packed Maximum Fluid Stainless Steel, Stubby Size, PTFE... -
Page 4: Warnings
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual or on warning labels, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable. - Page 5 Warnings WARNING MOVING PARTS HAZARD Moving parts can pinch, cut or amputate fingers and other body parts. • Keep clear of moving parts. • Do not operate equipment with protective guards or covers removed. • Equipment can start without warning. Before checking, moving, or servicing equipment, follow the Pressure Relief Procedure, page 9 and disconnect all power sources.
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Page 6: Installation
NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing. NOTE: Always use Genuine Graco Parts and Accessories, available from your Graco distributor. If you supply your own accessories, be sure they are adequately sized and pressure rated for your system. -
Page 7: Mounting The Pump
Installation Mounting the Pump Mount the pump to suit the type of installation planned. If the pump is mounted on the wall or on a stand, Refer the Dimensions and Mounting, page 17, connect a suction line to the pump’s 1–1/2 in. npt(f) section. -
Page 8: Available Accessories (Must Be Purchased Separately)
Installation Available Accessories (must be purchased separately) Air Line Accessories Fluid Line Accessories A bleed-type master air valve (A) is required in your A fluid drain valve (D) is required in your system to system to help reduce the risk of serious injury, help reduce the risk of serious injury, including including splashing of fluid in the eyes or on the skin, splashing of fluid in the eyes or on the skin. -
Page 9: Operation
Operation Operation Pressure Relief Procedure 5. Leave the drain valve open until you are ready to spray again. Follow the Pressure Relief Procedure whenever If you suspect that the spray nozzle or hose is you see this symbol. completely clogged, or that pressure has not been fully relieved after following the steps above, very slowly loosen the nozzle retaining ring or hose end coupling and relieve pressure gradually, then loosen completely. -
Page 10: Flush The Pump Before First Use
Operation Flush the Pump Before First Use 9. Open the air filter/regulator (B) until the pump starts. Run the pump slowly until all air is pushed out and the system is fully primed. Always use the The pump is tested with lightweight oil, which is left in lowest pressure necessary to get the desired to protect the pump parts. -
Page 11: Maintenance
Maintenance Maintenance Check with your fluid manufacturer or supplier for recommended flushing fluids and flushing frequency. NOTICE Never leave water or water-base fluid in the pump overnight. If you are pumping water-base fluid, flush with water first, then with a rust inhibitor such as Shutdown and Care of the Pump mineral spirits. -
Page 12: Troubleshooting
Troubleshooting Troubleshooting 1. Relieve the pressure. 2. Check all possible problems and solutions before disassembling pump. Problem Cause Solution Pump fails to operate. Restricted line or inadequate air Clear; increase air supply. supply. Dirty or damaged air motor. Service air motor (see 306982 or 307157). -
Page 13: Repair
Repair Repair Reconnecting the Displacement Pump 1. Position the displacement pump on the mounting tubes (10, 11). Thread the upper locknut (13) onto the return mounting tube (10) a couple of turns. Tighten the swivel union (S) securely onto the Disconnecting the Displacement supply mounting tube (11). - Page 14 Repair Model 218747 Shown Torque to 65–75 ft-lb (88–102 N.m). Apply thread sealant. Lubricate. . 4: Disconnect and Reconnect the Displacement Pump 307674U...
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Page 15: Parts
Parts Parts Model 218747, Series C 3:1 Ratio President Pump, Stubby Size; UHMWPE and Leather Packed Model 237142, Series A 3:1 Ratio President Pump, Stubby Size; Leather Packed with PTFE Backup Model 237143, Series A 3:1 Ratio President Pump, Stubby Size; Leather and PTFE Packed Model 237146, Series A 3:1 Ratio President Pump, Stubby Size;... - Page 16 Parts Model 218795, Series C 3:1 Ratio President Pump, 55 Gallon (200 Liter) Drum Size; UHMWPE and Leather Packed Model 237144, Series A 3:1 Ratio President Pump, 55 Gallon (200 Liter) Drum Size; Leather Packed with PTFE Backup Model 237145, Series A 3:1 Ratio President Pump, 55 Gallon (200 Liter) Drum Size;...
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Page 17: Dimensions And Mounting
Dimensions and Mounting Dimensions and Mounting Dimensions Mounting Hole Layouts Model No. 218795 48.88 1242 16.38 416 32.5 237144, 48.95 1244 16.45 418 32.5 237145 218747 36.38 924 16.38 416 237142, 36.45 926 16.45 418 237143, 237146 307674U... -
Page 18: Performance Charts
Performance Charts Performance Charts A 100 psi (7 bar) air pressure B 70 psi (4.9 bar) air pressure C 40 psi (2.8 bar) air pressure To find Fluid Outlet Pressure (bar/psi) at a specific To find Pump Air Consumption (m#/min or scfm) at a fluid flow (lpm/gpm) and operating air pressure specific fluid flow (lpm/gpm) and operating air pressure (bar/psi):... -
Page 19: Technical Specifications
Technical Specifications Technical Specifications Category Metric Ratio 360 psi 2.5 MPa, 25 bar Maximum fluid working pressure 120 psi 0.8 MPa, 8.3 bar Maximum air input pressure Pump cycles per 1 gallon (3.8 liters) 10 gpm 38 liters/min Fluid flow at 60 cycles per minute 1–1/2 npt(f) Fluid inlet size 1 in. -
Page 20: Graco Standard Warranty
With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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