Graco Dura-Flo 900 Instructions-Parts List Manual
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Graco Dura-Flo 900 Instructions-Parts List Manual

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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
CARBON STEEL
Dura-Flo
With Severe-Duty Rod and Cylinder
Refer to page 2 for a List of Models; page 3 for the Table of Contents.
GRACO INC. P.O. BOX 1441
900 Pumps
Model 237279
COPYRIGHT 1994, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
First choice when
quality counts.
MINNEAPOLIS, MN 55440–1441
308353
Rev. E
Model 236475

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  • Page 1 Refer to page 2 for a List of Models; page 3 for the Table of Contents. Model 236475 Model 237279 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1994, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: List Of Models

    List of Models Displacement Maximum Air/ Pump Part No. Pump Part No. Maximum Fluid Hydraulic and Series Pump Model and Series Ratio Working Pressure Input Pressure 237279, Senator 17:1 11 MPa, 117 bar 0.7 MPa, 7 bar Series A (1700 psi) (100 psi) 237284, Bulldog...

  • Page 3: Table Of Contents

    ..... . Graco Standand Warranty ....

  • Page 4: Warnings

    This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment.
  • Page 5 WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. Fluid injected into the skin might look like just a cut, but it is a serious injury.
  • Page 6 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 7. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.

  • Page 7: 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 Acces- sories, available from your Graco distributor. Refer to Product Data Sheet, Form No. 305715 (Senator Pumps), Form No.

  • Page 8: Air-Powered Pumps

    (see the WARNING at left). Be sure the bleed valve is easi- tem components and accessories. Contact your Graco distributor for assistance in designing a system to suit ly accessible from the pump, and is located down- stream from the air regulator.

  • Page 9: Typical Air-Powered Installation

    Installation TYPICAL AIR-POWERED INSTALLATION Pump Electrically Conductive Air Supply Hose Fluid Whip Hose Cart Air Line Filter Gun Swivel Pump Runaway Valve (location) Bleed-Type Master Air Valve Airless Spray Gun Air Line Lubricator (location) (for accessories) Suction Kit Bleed-Type Master Air Valve Fluid Filter Ground Wire and Clamp (required, for pump)

  • Page 10: Hydraulic-Powered Pumps

    Carefully follow the manufacturer’s recommendations CAUTION on reservoir and filter cleaning, and periodic changes of hydraulic fluid. Use only Graco-approved hydraulic Keep the hydraulic supply system clean at all times. oil. Order Part No. 169236 for 19 liter (5 gal.) or Part Be sure that all hydraulic fluid lines are absolutely No.

  • Page 11: Typical Hydraulic-Powered Installation

    Installation (HYDRAULIC-POWERED PUMPS) Fluid Line Accessories A gun (S) dispenses the fluid. The gun shown in Fig. 3 is an airless spray gun for light to medium Install the following accessories in the locations shown viscosity fluids. in Fig. 3, using adapters as necessary: A fluid filter (L) with a 60 mesh (250 micron) stainless steel element, to filter particles from the A gun swivel (R) allows freer gun movement.

  • Page 12: Operation/Maintenance

    (ALL PUMPS) Pressure Relief Procedure Packing Nut/Wet-Cup Before starting, fill the packing nut (2) 1/3 full with WARNING Graco Throat Seal Liquid (TSL) or compatible solvent. See Fig. 4. INJECTION HAZARD The system pressure must be manually WARNING relieved to prevent the system from starting or spraying accidentally.

  • Page 13: Air-Powered Pumps

    Operation/Maintenance (AIR-POWERED PUMPS) Flush the Pump Before First Use CAUTION The pump is tested with lightweight oil, which is left in Do not allow the pump to run dry. It will quickly to protect the pump parts. If the fluid you are using accelerate to a high speed, causing damage.

  • Page 14: Shutdown And Care Of The Pump

    Operation/Maintenance (AIR-POWERED PUMPS) Shutdown and Care of the Pump CAUTION WARNING Never leave water or water-base fluid in the pump overnight. If you are pumping water-base fluid, flush To reduce the risk of serious injury whenever you with water first, then with a rust inhibitor such as are instructed to relieve pressure, always follow the mineral spirits.

  • Page 15: Hydraulic-Powered Pumps

    Operation/Maintenance (HYDRAULIC-POWERED PUMPS) Flush the Pump Before First Use 10. With the pump and lines primed, and with ade- quate hydraulic volume supplied, the pump will The pump is tested with lightweight oil, which is left in start and stop as you open and close the gun. In a to protect the pump parts.

  • Page 16: Shutdown And Care Of The Pump

    Operation/Maintenance (HYDRAULIC-POWERED PUMPS) Shutdown and Care of the Pump CAUTION WARNING Never leave water or water-base fluid in the pump overnight. If you are pumping water-base fluid, flush To reduce the risk of serious injury whenever you with water first, then with a rust inhibitor such as are instructed to relieve pressure, always follow the mineral spirits.

  • Page 17: Troubleshooting Chart

    If the pump starts when the air or hydraulic power is turned on, the ob- struction is in the fluid hose or gun. NOTE: If you experience air motor icing, call your Graco distributor.

  • Page 18: Service

    Service Required Tools 5. Using an adjustable wrench (or hammer and punch), unscrew the coupling nut (106) from the Set of adjustable wrenches motor shaft (W). Take care not to lose or drop the Large pipe wrench coupling collars (107). See Fig. 5. Torque wrench Rubber mallet NOTE: On Model 237283, disconnect the riser tube...
  • Page 19 7. Before returning the pump to production, relieve it was disconnected. Fill the packing nut (2) 1/3 full the pressure and retorque the packing nut (2) to of Graco Throat Seal Liquid or compatible solvent. 128–156 N.m (95–115 ft-lb). Model 236475 Shown Torque to 128–156 N.m (95–1 15 ft-lb)

  • Page 20: Displacement Pump Service

    Service DISPLACEMENT PUMP SERVICE If the assembly separates at joint B: Disassembly c. Unscrew the cylinder (9) and valve housing (18) from the outlet housing (7). Gently pull the When disassembling the pump, lay out all the removed cylinder and valve housing straight out of the parts in sequence, to ease reassembly.
  • Page 21 Service Torque to 289–389 N.m (213–287 ft-lb). Lubricate. Torque to 176–230 N.m (130–170 ft-lb). Fig. 6 03793A Torque to 215–327 N.m (159–241 ft–lb). Fig. 7...
  • Page 22 Service (236466 Only) Reassembly 5. Install the packing nut (2) loosely into the outlet housing (7). 1. If it was necessary to remove the piston ball housing (10) from the displacement rod (1), clean 6. Lubricate the piston packings. Slide the displace- the threads of the rod and the ball housing.
  • Page 23 Service (236466 Only) Torque to 128–156 N.m (95–1 15 ft–lb). Torque to 289–389 N.m (213–287 ft-lb). Torque to 215–327 N.m (159–241 ft–lb). Lubricate. Lips face up. Lips face down. See Throat Packing Detail below . See Piston Packing Detail below . Torque to 176–230 N.m (130–170 ft-lb).
  • Page 24 Service (240682 Only) Reassembly g. the female gland (4*). 1. If it was necessary to remove the piston ball NOTE: If your pump uses an optional packing configu- housing (10) from the displacement rod (1), clean ration, or you want to convert the pump to a different the threads of the rod and the ball housing.
  • Page 25 Service (240682 Only) Torque to 128–156 N.m (95–1 15 ft–lb). Torque to 289–389 N.m (213–287 ft-lb). Torque to 215–327 N.m (159–241 ft–lb). Lubricate. Lips face up. Lips face down. See Throat Packing Detail below . See Piston Packing Detail below . Torque to 176–230 N.m (130–170 ft-lb).

  • Page 26: Parts

    Parts Part No. 236475 Pump, Series A Part No. 237278 Pump, Series A 56:1 Ratio, with King Air Motor 56:1 Ratio, with Reduced Icing Quiet King Air Motor These parts are included in Connection Kit 235417. These parts are included in Connection Kit 235417.

  • Page 27: Part No. 237283 Pump, Series A, 56:1 Ratio With King Air Motor (55 Gallon/200 Liter Size)

    Parts Part No. 237283 Pump, Series A Ref. Part No. Description Qty. 56:1 Ratio, with King Air Motor 207647 AIR MOTOR, King (55 gallon/200 liter size) See 306968 for parts 190436 ADAPTER, connecting rod 190437 ROD, tie; 380 mm (14.96”) shoulder to shoulder;...

  • Page 28: Part No. 240946 Pump, Series A, 56:1 Ratio

    Parts Part No. 240946 Pump, Series A Part No. 237279 Pump, Series A 56:1 Ratio, with Quiet King Air Motor 17:1 Ratio, with Senator Air Motor These parts are included in Connection Kit 235417. These parts are included in Connection Kit 235417. Ref.
  • Page 29 Parts Part No. 237284 Pump, Series A Part No. 237292 Pump, Series A 28:1 Ratio, with Bulldog Air Motor 28:1 Ratio, with Reduced Icing Quiet Bulldog Air Motor These parts are included in Connection Kit 235417. These parts are included in Connection Kit 235417.
  • Page 30 Parts Part No. 237290 Pump, Series A, with Ref. Part No. Description Qty. Viscount Hydraulic Motor 235345 HYDRAULIC MOTOR, Viscount See 307158 for parts 190287 ADAPTER, connecting rod 158586 BUSHING; 3/4 npt(f) x 1” npt(m) 184596 ROD, tie; 315 mm (12.40”) shoulder to shoulder 186925 NUT, coupling...
  • Page 31 Parts Part No. 917028 Pump, Series A, with Ref. Part No. Description Qty. Viscount II Hydraulic Motor 235345 HYDRAULIC MOTOR, Viscount See 307158 for parts 190287 ADAPTER, connecting rod 158586 BUSHING; 3/4 npt(f) x 1” npt(m) 184596 ROD, tie; 315 mm (12.40”) shoulder to shoulder 186925 NUT, coupling...

  • Page 32: Common Displacement Pump Parts

    Parts Common Displacement Pump Parts Part Description NOTE: The parts listed on this page are common to all 189316 ROD, displacement; stainless steel displacement pumps covered in this manual. Refer to pages 222995 PACKING NUT; carbon steel 33 and 34 for the different packing configurations available. 237181 HOUSING, outlet;...

  • Page 33: Packing Kits

    Packing Kits Leather Packing Kit 237163, for Standard Displacement Pump 236466, Series A Part THROAT PACKINGS: PISTON PACKINGS: LIPS FACE DOWN LIPS FACE UP Description 184304 V-PACKING, throat; leather 184199 GLAND, throat, female; carbon steel PTFE 109304 V-PACKING, throat; 184249 GLAND, throat, male;...

  • Page 34: Uhmwpe And Ptfe Packing Kit 237709, For

    Packing Kits PTFE UHMWPE and Packing Kit 237709, for Displacement Pump 240682, Series A Part THROAT PACKINGS: PISTON PACKINGS: LIPS FACE DOWN LIPS FACE UP Description PTFE 109304 V-PACKING, throat; 184199 GLAND, throat, female; carbon steel 109254 V-PACKING, throat; UHMWPE 184249 GLAND, throat, male;...
  • Page 35 Notes...

  • Page 36: Technical Data

    Technical Data (Model 236475 and 237283 King Pumps) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio 56:1...
  • Page 37 Technical Data (Model 236475 and 237283 King Pumps) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Air Consumption(m /min or scfm) at a specific fluid (lpm/gpm) and operating air pressure (psi/MPa/bar): flow (lpm/gpm) and air pressure (psi/MPa/bar): 1.
  • Page 38 Technical Data (Model 240946 Quiet King Pump and Model 237278 Reduced Icing Quiet King Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio...
  • Page 39 Technical Data (Model 240946 Quiet King Pump and Model 237278 Reduced Icing Quiet King Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Air Consumption(m /min or scfm) at a specific fluid (lpm/gpm) and operating air pressure (psi/MPa/bar): flow (lpm/gpm) and air pressure (psi/MPa/bar): 1.

  • Page 40: Model 237284 Bulldog Pump

    Technical Data (Model 237284 Bulldog Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio 28:1 Maximum fluid working pressure 19 MPa, 193 bar (2800 psi)
  • Page 41 Technical Data (Model 237284 Bulldog Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Air Consumption(m /min or scfm) at a specific fluid (lpm/gpm) and operating air pressure (psi/MPa/bar): flow (lpm/gpm) and air pressure (psi/MPa/bar): 1.

  • Page 42: Model 237292 Reduced Icing Quiet Bulldog Pump

    Technical Data (Model 237292 Reduced Icing Quiet Bulldog Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio...
  • Page 43 Technical Data (Model 237292 Reduced Icing Quiet Bulldog Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Air Consumption(m /min or scfm) at a specific fluid (lpm/gpm) and operating air pressure (psi/MPa/bar): flow (lpm/gpm) and air pressure (psi/MPa/bar): 1.

  • Page 44: Model 237279 Senator Pump

    Technical Data (Model 237279 Senator Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio 17:1 Maximum fluid working pressure 11 MPa, 117 bar (1700 psi)
  • Page 45 Technical Data (Model 237279 Senator Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Air Consumption(m /min or scfm) at a specific fluid (lpm/gpm) and operating air pressure (psi/MPa/bar): flow (lpm/gpm) and air pressure (psi/MPa/bar): 1.

  • Page 46: Model 237290 Viscount Pump

    Technical Data (Model 237290 Viscount Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio 3.5:1 Maximum fluid working pressure 34 MPa, 345 bar (5000 psi)
  • Page 47 Technical Data (Model 237290 Viscount Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Hydraulic Oil Consumption(gpm or lpm) at a specific (lpm/gpm) and operating hydraulic pressure (psi/MPa/bar): fluid flow (lpm/gpm): 1. Locate desired flow along bottom of chart. 1.

  • Page 48: Model 917028 Viscount Ii Pump

    Technical Data (Model 917028 Viscount II Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below. Always read the manufacturer’s literature before using fluid or solvent in this pump. Category Data Ratio 3.5:1 Maximum fluid working pressure...
  • Page 49 Technical Data (Model 917028 Viscount II Pump) Performance Charts To find Fluid Outlet Pressure(psi/MPa/bar) at a specific fluid flow To find Pump Hydraulic Oil Consumption(gpm or lpm) at a specific (lpm/gpm) and operating hydraulic pressure (psi/MPa/bar): fluid flow (lpm/gpm): 1. Locate desired flow along bottom of chart. 1.

  • Page 50: Dimensions

    Dimensions Pump Dimensions Mounting Hole Layout 94.28 mm (3.712”) 101.6 mm (4.0”) 94.28 mm (3.712”) 50.8 mm (2.0”) Three M16 x 2.0 Holes 11.1 mm (0.437”) 88 mm DIA (4) (3.464”) 0653 Pump Model 236475 1146.9 mm 746.0 mm 400.9 mm 413.0 mm 2 in.

  • Page 51: Manual Change Summary

    Manual Change Summary Part number 240946 Pump has been added to the manual. Flats have been added to the pump cylinder. Displacement pump torque values have changed. Changes have been made to the Technical Data. The Performance Charts have been reformatted.

  • Page 52: Graco Standand Warranty

    Graco’s written recommendations. This warranty does not cover, and Graco shall not be liable for general wear and tear , or any malfunction, damage or wear caused by faulty installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or sub- stitution of non–Graco component parts.

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237279236475

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