Graco Dura-Flo 900 Series Instructions-Parts List Manual Download Page 1

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Instructions – Parts List

GRACO INC.

P.O. BOX 1441

MINNEAPOLIS, MN

55440–1441

STAINLESS STEEL

Dura–Flo 900

Pumps

With Severe–Duty Rod and Cylinder

U.S. Patent No. 5,456,583
Foreign Patents Pending

308354H

04275B

Model 237286

04143B

Model 237287

Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.

See page 2 for model numbers and maximum
working pressures.

Summary of Contents for Dura-Flo 900 Series

Page 1: ...STAINLESS STEEL Dura Flo 900t Pumps With Severe Duty Rod and Cylinder U S Patent No 5 456 583 Foreign Patents Pending 308354H 04275B Model 237286 04143B Model 237287 Important Safety Instructions Rea...

Page 2: ...28 psi hydraulic pressure 248817 Series A Viscount II hydraulic 3 5 1 34 MPa 345 bar 5000 psi 9 9 MPa 99 bar 1428 psi hydraulic pressure Table of Contents Warnings 3 Installation 6 Operation Maintenan...

Page 3: ...working pressure of the lowest rated system component Refer to the Technical Data on pages 28 30 for the maximum working pressure of this equipment Use fluids and solvents which are compatible with th...

Page 4: ...on weekly Refer to the gun manual Be sure the gun trigger safety operates before spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 10 if the spra...

Page 5: ...e of debris including solvent rags and gasoline Electrically disconnect all equipment in the spray area Extinguish all open flames or pilot lights in the spray area Do not smoke in the spray area Do n...

Page 6: ...uid hoses use only electrically conductive hoses 3 Air compressor follow manufacturer s recommen dations 4 Spray gun ground through connection to a prop erly grounded fluid hose and pump 5 Fluid suppl...

Page 7: ...om the air regulator An air regulator F controls pump speed and out let pressure by adjusting the air pressure to the pump Locate the regulator close to the pump but upstream from the bleed type maste...

Page 8: ...ir Supply Hose J Air Line Filter K Bleed Type Master Air Valve for accessories L Fluid Filter M Fluid Drain Valve required N Electrically Conductive Fluid Supply Hose P Fluid Whip Hose R Gun Swivel S...

Page 9: ...n kit T allows the pump to draw fluid from a supply container KEY A Pump B Wall Bracket C Hydraulic Supply Line D Hydraulic Return Line E Drain Line from pressure reducing valve F Pressure Gauge G Flo...

Page 10: ...n valve required in your system having a container ready to catch the drainage 8 Leave the drain valve open until you are ready to spray again If you suspect that the spray tip or hose is completely c...

Page 11: ...valve Close the valve NOTE When changing fluid containers with the hose and gun already primed open the drain valve M to help prime the pump and vent air before it enters the hose Close the drain valv...

Page 12: ...stem and flushing pails are properly grounded Refer to Grounding on page 6 Flush with a fluid that is compatible with the fluid you are pumping and with the wetted parts in your system Check with your...

Page 13: ...ntil the fluid flows from the valve Close the valve NOTE When changing fluid containers with the hose and gun already primed open the drain valve M to help prime the pump and vent air before it enters...

Page 14: ...id you are pumping and with the wetted parts in your system Check with your fluid manufacturer or supplier for recommended flushing fluids and flushing frequency Always flush the pump before fluid dri...

Page 15: ...clogged valves Clear the line increase the air hydraulic supply Check that the valves are open Obstructed fluid hose or gun the fluid hose ID is too small Open clear use a hose with a larger ID Worn...

Page 16: ...ng nut 106 from the motor shaft W Do not lose or drop the coupling collars 107 See Fig 6 6 Hold the tie rod flats with a wrench to keep the rods from turning Unscrew the nuts 108 from the tie rods 105...

Page 17: ...354 17 Service 04142B Fig 6 101 109 108 107 105 106 110 2 1 2 1 V U W 3 3 Model 237287 Shown 1 2 Torque to 136 149 N m 100 110 ft lb Torque to 196 210 N m 145 155 ft lb 3 Torque to 81 89 N m 60 66 ft...

Page 18: ...m the outlet hous ing 7 Remove the two seals 8 from the cylinder Shine a light into the cylinder 9 to inspect the inner surface for scoring or wear Now go to step 4 If the assembly separates at joint...

Page 19: ...ce Fig 7 1 2 7 9 18 19 A B 1 1 D 17 8 2 2 1 Torque to 325 353 N m 240 260 ft lb 2 Lubricate 3 Torque to 190 217 N m 140 160 ft lb 03794B 3 Fig 8 1 Torque to 271 298 N m 200 220 ft lb 03793A 16 10 1 1...

Page 20: ...e piston packings Slide the displace ment rod 1 and piston assembly down into the cylinder 9 The cylinder is symmetrical so either end may face up Use a rubber mallet to drive the rod into the cylinde...

Page 21: ...ce up Lips face down 2 Ref 4 5 6 7 Ref 10 Ref 9 Ref 16 Ref 13 14 15 18 Ref 8 Ref 4 4 4 4 5 3 3 2 1 See Throat Packing Detail at left See Piston Packing Detail at left 8 9 A B S 6 F Piston Packing Stac...

Page 22: ...parts 1 220106 AIR MOTOR Quiet King For Model 245173 See 309348 for parts 1 102 176529 LABEL warning 1 105 190000 ROD tie 224 mm 8 82 in shoulder to shoulder carbon steel 3 106 186925 NUT coupling 1 1...

Page 23: ...houlder carbon steel 3 106 186925 NUT coupling 1 107 184129 COLLAR coupling 2 108 106166 NUT hex M16 x 2 0 3 109 236470 PUMP displacement See page 26 for parts 1 110 112887 WRENCH spanner 1 Replacemen...

Page 24: ...houlder carbon steel 3 106 186925 NUT coupling 1 107 184129 COLLAR coupling 2 108 106166 NUT hex M16 x 2 0 3 109 236470 PUMP displacement See page 26 for parts 1 110 112887 WRENCH spanner 1 Replacemen...

Page 25: ...307158 for parts 1 103 190287 ADAPTER connecting rod 1 105 184596 ROD tie 315 mm 12 40 in shoulder to shoulder 3 106 186925 NUT coupling 1 107 184129 COLLAR coupling 2 108 106166 NUT hex M16 x 2 0 3 1...

Page 26: ...and cards are available at no cost Ref Part No No Description Qty 1 189316 ROD displacement stainless steel 1 2 236582 PACKING NUT stainless steel 1 7 237182 HOUSING outlet stainless steel 1 8 109499...

Page 27: ...T PACKINGS LIPS FACE DOWN PISTON PACKINGS LIPS FACE UP 0805 0806 14 15 4 5 6 13 LUBRICATE PACKINGS UHMWPE and Leather Packing Kit 237174 Optional Ref Part No No Description Qty 3 184304 V PACKING thro...

Page 28: ...Stainless Steel Tungsten Carbide PTFE Glass Filled PTFE Leather Tested in accordance with ISO 3744 NOTE Recommended pump speed for continuous operation to shaded area 60 cpm To find Fluid Outlet Press...

Page 29: ...Leather Tested in accordance with ISO 3744 NOTE Recommended pump speed for continuous operation to shaded area 60 cpm To find Fluid Outlet Pressure bar psi at a specific fluid flow lpm gpm and operat...

Page 30: ...lled PTFE Leather Tested in accordance with ISO 3744 NOTE Recommended pump speed for continuous operation to shaded area 60 cpm To find Fluid Outlet Pressure bar psi at a specific fluid flow lpm gpm a...

Page 31: ...n 12 9 liters min 3 4 gpm Hydraulic motor piston effective area 31 6 cm 4 9 in Stroke length 120 mm 4 75 in Displacement pump effective area 9 cm 1 40 in Maximum pump operating temperature 82 C 180 F...

Page 32: ...ead vertical line up to intersection with selected hydraulic con sumption curve dashes Follow left to scale to read oil consump tion A 9 9 MPa 99 bar 1428 psi hydraulic oil pressure B 7 MPa 70 bar 100...

Page 33: ...590 mm 23 21 in 257 mm 10 12 in 2 in npt f 1 in npt f 3 4 npsm f 237287 1134 mm 44 65 in 590 mm 23 23 in 544 mm 21 42 in 257 mm 10 12 in 2 in npt f 1 in npt f 3 4 npsm f 245172 1130 mm 44 49 in 590 mm...

Page 34: ...agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss sha...

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