Graco 150 RPX Operating Instructions Manual
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Graco 150 RPX Operating Instructions Manual

Graco 150 RPX Operating Instructions Manual

150 rpx pressure roller and spray system 2800 psi (193 bar, 19 mpa) maximum working pressure
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Operating Instructions
150 RPX Pressure Roller
and Spray System
- For roller and portable spray application
of architectural paints and coatings -
Model 233687, Series B
2800 psi (193 bar, 19 MPa) Maximum Working Pressure*
*
The best operating pressure is the lowest pressure that provides an even paint supply to the roller and
typically does not exceed 300 psi (2.1 MPa, 21 bar).
Also Includes: ContractortIn-line Valve 244161
and Pressure Roller 244279
D 20 in. (50 cm) heavy-duty extension
D 3/16 in. x 25 ft DuraFlext hose
D 9 in. (23 cm) roller frame
D 1/2 in. (13 mm) nap roller cover
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.

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Graco Inc. is registered to I.S. EN ISO 9001
Use water based or mineral spirit-type material
only. Do not use materials having flash points
lower than 70_ (21_). For information about
your material request MSDS from distributor or
retailer.
309388
Rev. J
ti8468a

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  • Page 1: Table Of Contents

    Operating Instructions 150 RPX Pressure Roller and Spray System – For roller and portable spray application of architectural paints and coatings – Model 233687, Series B 2800 psi (193 bar, 19 MPa) Maximum Working Pressure* The best operating pressure is the lowest pressure that provides an even paint supply to the roller and typically does not exceed 300 psi (2.1 MPa, 21 bar).

  • Page 2: Specifications

    This equipment is not intended for use with flammable or combustible materials used in places such as cabinet shops or other “factory” or fixed locations. If you intend to use this equipment in this type of application, you must comply with NFPA 33 and OSHA requirements for the use of flammable and combustible materials.
  • Page 3 SKIN INJECTION HAZARD High pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This may look like just a cut, but it is a serious injury that can result in amputation. Get immediate surgical attention. D Do not point gun at anyone or any part of the body. D Do not put your hand over the spray tip.
  • Page 4 Grounding and Electric Requirements ti5572a 309388 The sprayer must be grounded. Grounding reduces the risk of static and electric shock by providing and escape wire for the electrical current due to static build up or in the event of a short circuit. D The sprayer requires a 120V AC, 60 Hz, 15A circuit ti3001b with grounding receptacle.

  • Page 5: Thermal Overload

    Grounding and Electric Requirements D Ground solvent pails used when flushing. Follow local code. Use only conductive, metal pails, placed on a grounded surface such as concrete. Do not place the pail on a non–conductive surface such as paper or cardboard, which interrupts the grounding continuity. D Ground the metal pail by connecting a ground wire to the pail by clamping one end to pail and the other end to ground such as as water pipe.

  • Page 6: Pressure Relief

    Pressure Relief Procedure PRIME PRIME 309388 1. Turn power switch OFF and unplug power cord. 2. Turn Spray–Prime/Drain valve to PRIME/DRAIN to relieve pressure. 3. Turn pressure to lowest setting. Hold metal part of gun firmly to a grounded metal pail. Trigger gun to relieve pressure.

  • Page 7: Component Identification

    Component Identification Power Switch Fluid Outlet Fitting Spray/Prime Valve Prime/drain position Paint position Prime Tube Suction Tube Contractort In–line Valve Inlet Screen Pressure Roller Pressure Control Knob 309388...

  • Page 8: Setup

    309388 Setup 1. Turn power switch OFF. 2. Connect one end of grounded fluid hose to the In–line Valve. Use a wrench to tighten. NOTE: The Contractort In–line Valve can be used as an airless spray gun for small jobs by attaching a Handtite- t Guard and RAC5 Switchtip.

  • Page 9: Priming

    Priming – For flushing factory or storage fluid and loading pump with water suction tube prime tube prime tube WASTE 1. Turn Spray/Prime valve to PRIME. 2. Separate the (smaller) prime tube from the (larger) suction tube. 3. Unscrew inlet screen from suction tube. 4.
  • Page 10 Priming – For flushing factory or storage fluid and loading pump with water Power Flush attachment open closed garden hose suction tube Power Flush attachment garden hose (turn on) 30 to 60 WASTE seconds 309388 5. Screw Power Flush attachment (included with sprayer) onto garden hose and OPEN Power Flush attachment.
  • Page 11 Priming – For flushing water and loading pump and hose with paint PAINT 1. Turn power switch OFF. 2. Turn Power Flush to closed position and garden hose OFF. Unscrew Power Flush attachment from suction hose. 3. Screw inlet screen onto suction tube. 4.
  • Page 12 Priming – For flushing water and loading pump and hose with paint WASTE paint WASTE PAINT 309388 5. Point In–line Valve into waste pail. 6. Turn power switch ON. 7. When paint starts to come out of prime tube, pull and hold In–line Valve trigger and turn Spray/Prime valve to spray.

  • Page 13: Operation

    Operation 1. Engage the In–line Valve safety latch. 2. Firmly tighten pressure roller to 20” extension. 3. Attach pressure roller assembly to In–line Valve. Use a wrench to tighten. 4. Turn pressure control knob to roller symbol. 5. Disengage In–line Valve safety latch. Trigger In–line Valve and roll the surface until paint comes to roller.
  • Page 14 309388 Operation 6. Increase pump pressure only if triggering In–line Valve cannot supply enough paint for your rolling speed. 7. Whenever you stop painting, relieve pressure, page 6, and elevate roller end of extension tube to prevent paint from draining out. Flush the pump, In–line Valve and pressure roller immediately after each use to prevent paint from drying...
  • Page 15 Rolling Techniques 1. Rolling vertically, roll out the letter “M”. 2. Cross roll, horizontally, to spread the paint. 3. Finish with light vertical strokes until the entire area has been evenly covered. 309388...
  • Page 16 Ceilings, Woodwork and Walls 309388 1. Ceilings: Using a paint brush, apply a starting row of paint approximately the width of your brush where the walls and ceiling meet. 2. With the roller, apply paint to the ceiling, working the short way of the room and applying as wide a strip as possible.

  • Page 17: Cleanup

    Cleanup Leave the roller assembly attached to the In–line Valve for this procedure. 1. Relieve the pressure. Turn power switch OFF. 2. Remove roller cover and diffuser from roller frame as follows: a. Using your thumb, slide clip down and release end caps, diffuser, and roller cover into a pail.
  • Page 18 Solvent Paint Solvent 309388 Cleanup (continued) 3. Clean roller cover, caps and diffuser with water or a compatible solvent for non–water–based materials. 4. Place roller frame in paint pail. Be sure the holes in the frame are facing inside the paint pail. 5.
  • Page 19 Cleanup Solvent (continued) 7. Turn power switch ON. 8. Trigger In–line Valve. 9. Turn Spray/Prime valve to SPRAY. 10. Continue to trigger In–line Valve until flushing fluid begins to dilute paint. Then release In–line Valve trigger. 11. Place roller frame in another bucket. If you are flushing a non–water–based fluid, flush until fluid coming out of roller frame is clear.
  • Page 20 Cleanup – Power Flushing After Spraying Water–based Paint 1. Relieve pressure, page 6. Turn power switch OFF. Power Flush attachment 2. Screw Power Flush attachment onto garden hose. open closed garden hose 3. Turn lever to close Power Flush attachment. close 4.
  • Page 21 Cleanup – Power Flushing After Spraying Water–based Paint – (continued) 5. Connect garden hose to suction tube with Power Flush attachment. Leave prime tube in waste pail. Suction tube Power Flush attachment garden hose 6. Turn lever to open Power Flush attachment. Turn on garden hose.
  • Page 22 Cleanup – Power Flushing After Spraying Water–based Paint – (continued) WASTE 1–2 MIN. WASTE 309388 9. Place roller frame in waste pail and trigger In–line Valve. Be sure the holes of the roller frame are facing inside the pail. 10. Turn Spray/Prime Valve to SPRAY. 11.
  • Page 23 Cleanup – Power Flushing After Spraying Water–based Paint – (continued) 12. Turn Spray/Prime Valve to PRIME. 13. Let water flow through sprayer into waste pail for 20 seconds. 20 SEC. WASTE 14. Turn Power Switch OFF. 309388...
  • Page 24 Cleanup – Power Flushing After Spraying Water–based Paint – (continued) 15. Close Power Flush. Turn off garden hose. closed 16. Unscrew Power Flush attachment from suction hose. 17. Remove roller frame and extension from In–line Valve. 309388...
  • Page 25 Cleanup – Cleaning Contractort In–line Valve Filter 1. Relieve pressure, page 6. 2. Push up on the trigger guard and swing it away from the trigger. 3. Unscrew the In–line Valve handle from the housing. Remove the filter and clean it in compatible solvent. NOTE: Do not soak the entire In–line Valve in solvent.
  • Page 26 Cleanup suction tube prime tube WASTE 309388 – Filling the Sprayer with Storage Fluid Always pump storage fluid through the pump system after cleaning. Water left in the sprayer will corrode and ruin pump. 1. Place suction tube in storage fluid bottle and prime tube in waste pail.
  • Page 27 Cleanup – Filling the Sprayer with Storage Fluid 4. Turn power switch ON. 5. Align arrow on the sprayer with the (roller symbol) on the Pressure Control knob. 6. When storage fluid comes out of prime tube (in 5–10 watch for storage fluid from prime seconds) turn power switch OFF.

  • Page 28: Troubleshooting

    Check everything in this Troubleshooting table before you bring the sprayer to a Graco authorized service center. PROBLEM CAUSE Pump will not prime. Spray/Prime valve is set at HINT: SPRAY. S Attempt to free check balls S Attempt to free check balls Spray/Prime valve is plugged by tapping side of inlet valve as sprayer is stroking.

  • Page 29: Troubleshooting

    PROBLEM CAUSE Pump cycles but paint only Pressure is set too low. dribbles or spurts when trigger is pulled trigger is pulled. Tip is clogged. Spray tip is too large or worn. Gun filter is clogged. Pressure is set at maximum, Extension cord is too long or but cannot achieve a good not a heavy enough gauge.
  • Page 30 Fan pattern varies Pressure control switch is dramatically while spraying or worn and causing excessive sprayer does not turn on pressure variation. promptly when resuming spraying. Spray comes out of gun in Reversible tip is in UNCLOG two thick streams. position.

  • Page 31: Service

    Service – Changing the Needle on the Contractort In–line Valve bracket locknut trigger guard NOTE: The needle, diffuser/seat, gasket and lock- nut must be replaced together. They are included in Repair Kit 218070. Disassembly 1. Relieve pressure, page 6. 2. Squeeze trigger while unscrewing diffuser/seat and gasket.
  • Page 32 Service bracket locknut trigger guard 26–32 lb 309388 – Changing the Needle on the Contractort In–line Valve NOTE: The needle, diffuser/seat, gasket and locknut must be replaced together. They are included in Repair Kit 218070. Reassembly 1. Guide threaded end of needle assembly into front of In–line Valve.
  • Page 33 Service – Adjusting the Needle on the Contractort In–line Valve 5/16” 1. Engage In–line Valve safety latch. 2. Hold In–line Valve with nozzle straight up. 3. Remove trigger guard. 4. Hold your finger against trigger with light pressure. Using a 5/16–in, open ended wrench, turn locknut clockwise until you feel trigger depress slightly.
  • Page 34 Service – Adjusting the Needle on the Contractort In–line Valve 5/16” 3/4 turn Trigger No Fluid 309388 5. Turn adjusting nut 3/4 turn counterclockwise. 6. Connect fluid hose. Use a wrench to tighten. 7. Prime system. Page 9. 8. Trigger the In–line Valve and release it. The fluid should stop immediately.
  • Page 35 Notes 309388...

  • Page 36: Parts

    150 RPX Model 233687 Ref. Part No. Description 15A680 FRAME 195697 STRAINER 244035 DEFLECTOR, barbed 15A473 TUBE, suction 15H772 SUPPORT, frame 196586 COVER, switch 113955 SCREW 102040 NUT, lock 15A475 TUBE, drain 115489 CLAMP, drain tube 244266 KIT, pressure switch, repair...
  • Page 37 150 RPX Model 233687 150 RPX Model 233687 Apply light coat of lithium–based grease. Apply light coat of lithium–based grease. 30, 32, 38 30, 32, 38 ti8469a 309388...

  • Page 38: Parts List

    Pressure Roller Assembly Model 244279 HINT: When replacing gasket k*) and o-ring (m*), position o-ring first, then press gasket into place. 309388 Parts List Ref. Part No. 244271 246277 15B065 197106 107590 115524 245999 232122 162863 114049 Additional Roller Covers The following pressure roller covers are available at your local distributor: 107590...
  • Page 39 Notes 309388...
  • Page 40 Contractort In–line Valve Model 244161 Ref. Part No. Description 218070 NEEDLE–DIFFUSER/SEAT KIT 244193 TRIGGER, valve, In–line 196869 GUARD, trigger 238817 KIT, swivel 105n 218131 FLUID FILTER ASSEMBLY (standard 50 mesh) includes replacement parts 5a, 5b, 5c, 5d 105a 179722 RETAINER, spring 105b 179731 ELEMENT, strainer 105c...
  • Page 41 Parts Contractort In–line Valve Model 244161 105a 105b 105c 105d TI0667 309388...

  • Page 42: Technical Data

    Maximum fluid working pressure – sprayer Maximum fluid working pressure – Contractort In–line Valve, extension, roller* Sprayer inlet size ..........Sprayer outlet size .
  • Page 43 Notes 309388...

  • Page 44: Graco Standard Warranty

    Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. 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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