Graco Fuller O'brien Paints Pro 501st 231 Instructions-Parts List Manual Download Page 5 | Manualshive

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Summary of Contents for Fuller O'brien Paints Pro 501st 231

Page 1: ...OR REFERENCE ELECTRIC 120 VAC Pro 501st Airless Paint Sprayer 2750 psi 19 0 MPa 190 bar Maximum Working Pressure Model 231 299 Series B Complete sprayer with hose gun Rac IV DripLess Tip Guard and Swi...

Page 2: ...y genuine Graco parts Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component Refer to the Technical D...

Page 3: ...or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure...

Page 4: ...essure Relief Procedure on page 9 to prevent the equipment from starting unexpectedly Liquids can be injected into the body by high pressure airless spray or leaks especially hose leaks Keep body clea...

Page 5: ...Notes...

Page 6: ...ray hose at least 50 ft 15 m long 2 Never use a wire braid hose as it is too rigid to act as a pulsation dampener 3 Never install any shutoff device between the pump and the hose See Fig 1 1 Connect t...

Page 7: ...art of the gun firmly to the side of a grounded metal pail then trigger the gun 6 Flush the pump to remove the oil which was left in to protect the pump parts after factory testing See page 12 7 Prepa...

Page 8: ...ry to blow back paint this is not and air spray sprayer The tip guard alerts you to the risk and helps prevent placing any part of the body close to the spray tip The tip guard also adjusts the vertic...

Page 9: ...eady to operate and that you start it safely NOTE If this is a first time startup flush the sprayer See page 12 NOTE Refer to Fig 1 and other figures referenced in the text as you start the sprayer 1...

Page 10: ...res sure required to get the desired results b If more coverage is needed use a larger tip rather than increasing the pressure c Test the spray pattern To adjust the direction of the spray pattern loc...

Page 11: ...ucer 29 vent hole area See Fig 8 Replace the transducer when leakage is exces sive See page 29 5 Lubricate the bearing housing after every 100 hours of operation Remove the front cover Fill the bearin...

Page 12: ...Clean the screen separately See Fig 10 Fig 10 SCREEN BOWL 3 Pour one half gallon 2 liters of compatible solvent into a grounded metal flushing pail Put the suction hose in the pail 4 Open the pressur...

Page 13: ...page 20 2 Push pin into place and secure with spring retainer 3 Check for motor damage Remove drive hous ing assembly 11 See page 26 Try to rotate motor fan by hand 3 Replace motor 4 if fan won t turn...

Page 14: ...47 and switch and connect volt meter between ex posed terminal on switch and power cord s white wire Plug in sprayer and turn ON Meter should read VAC Turn off and unplug sprayer 10 Replace ON OFF sw...

Page 15: ...rmal 1 Periodically remove residue from its cyl inder port See page 29 No output motor runs and pump strokes 1 Check paint supply 1 Refill and reprime pump 2 Check for clogged intake strainer 2 Remove...

Page 16: ...a short 2 Correct faulty conditions 3 Check motor armature for shorts Use an arma ture tester growler or perform motor test See page 17 Inspect windings for burns 3 Replace motor See page 24 4 Check m...

Page 17: ...ver B See Fig 12 Spin the motor fan by hand If there are no shorts the motor will coast two or three revolutions before coming to a complete stop If the motor does not spin freely the armature is shor...

Page 18: ...control malfunction be sure to properly mate connectors and never pull on a wire to disconnect it Pulling on a wire could loosen the connector from the wire 3 Route wire carefully through the drive ho...

Page 19: ...fied motor repair shop if the brushes seem to wear too fast or arc excessively See Step 10 d also 6 Repeat for the other side NOTE The motor brushes on the other side are upside down 7 Place a new bru...

Page 20: ...n the screws 21 to 50 ft lb 68 M m 2 Align the hole in the rod 107 with the connecting rod assembly 15 Use a screwdriver to push the retaining spring 18 up and push in the pin 17 Push the retaining sp...

Page 21: ...n pull the rod out through the bottom of the cylinder 4 Remove the packing nut 102 and throat pack ings 5 Loosen the jam nut 117 Remove the cylinder 115 and the o ring 116 6 Clamp the flats of the pis...

Page 22: ...Place the flats of the rod 107 in a smooth jaw vise 8 Carefully tighten the nut 110 against the piston rod to 30 ft lb 40 N m See Fig 22 Use two wrenches to maintain the alignment mentioned in the NO...

Page 23: ...the assembly into the top of the cylinder 115 See Fig 24 13 Put the manifold in a vise Full thread the jam nut 117 onto the cylinder 115 Guide the rod cylin der assembly down through the manifold 101...

Page 24: ...using screw 19 See Fig 26 Remove the three drive housing screws and lockwashers 19 6 Also see Fig 27 6 Remove the two motor screws and lockwashers 5 6 7 Tap the lower rear of the drive housing 11 with...

Page 25: ...Cord NOTE See Fig 28 for this procedure 1 Relieve the pressure Unplug the sprayer 2 Remove the junction box screws 56 and lower the junction box 59 3 Disconnect the power supply cord leads including t...

Page 26: ...between the gears which will damage the drive housing if not removed The balls which are heavily covered with grease usually stay in the gear re cesses but could be dislodged If the balls are not in...

Page 27: ...Drive Housing Connecting Rod Crankshaft Fig 30 56 6 19 15 13 64 11 5 6 12a 12 12b 59 11a 4a A 34 31 1075 REF A 16 47 Torque to 80 in lb 9 N m Quantity of 3...

Page 28: ...d tip the pressure control 64 forward and up to detach it from the drive housing 11 4 Guide the harness A through the motor and drive housing and remove the pressure control 5 Guide the harness of the...

Page 29: ...2 Use a pull twist motion to remove the transducer 29 from the pump manifold 101 3 Clean paint residue from the hole in the manifold do not scratch the surface of the hole 4 Lightly apply oil to the...

Page 30: ...nd the hose will separate from the tube 3 Replace the o ring 27 if it is worn or damaged 4 Lubricate the o ring 27 and the inlet tube 38 threads with light threads 5 Align the suction hose coupling wi...

Page 31: ...eat area 2 If replacing the gasket 42a or seat 42b pry out the gasket NOTE Whenever the gasket 42a is removed re place it with a new one 3 Coat the o ring 42d with grease Press the stem into the valve...

Page 32: ...14 180 073 GLAND female piston 1 115 187 634 CYLINDER pump 1 116 108 526 PACKING o ring 1 117 187 614 NUT jam 1 3 8 18 unef 2b 1 118 224 966 INLET VALVE 1 119 111 603 PACKING o ring 1 120 176 760 GUID...

Page 33: ...6 5 19 6 17 31 34 21 38 36 46 4 39 28 56 43 42 42a 42b 4e 44 Model 231 299 Series B REF 32 REF 33 11 11a 23 27 63 HOSE AND GUN NOT SHOWN IN PROPORTION TO SPRAYER 67 74 42c 42d 11b 4g 14 INSIDE LABEL...

Page 34: ...2 DRAIN HOSE 1 34 111 705 SCREW filh 8 32 x 2 1 2 3 35 188 451 LABEL KIT identification 1 36 111 612 ADAPTER tube 9 16 18 1 37 187 895 LEG sprayer 1 38 187 627 INLET TUBE 1 39 235 004 STRAINER 1 42 23...

Page 35: ...p with latex at 2000 psi 13 8 MPa 138 bar Power Cord No 14 AWG 3 wire 6 1 8 m Inlet Paint Sprayer 1525 micron 12 mesh Stainless Steel Screen reusable Pump Inlet Size 1 2 npt f Fluid Outlet Size 1 4 np...

Page 36: ...The buyer 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 consequentia...

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