Graco 3A2988B- User Manual

Installation 8 3A2988B Installation For assistance in setting up a plural component sprayer,contact your Graco distributor, to ensure that you selectthe proper type and size equipment for your system. Fluid Inlets See F IG . 1 on page 6. The A and B fluid inlets are equipped with 3/4 in. check valve...

Grounding 3A2988B 9 Grounding • Pump: use a ground wire and clamp as instructed in your XM PFP sprayer operation manual. • Air and fluid hoses: use only electrically conduc- tive hoses with a maximum of 500 ft (150 m) com-bined hose length to ensure grounding continuity.Check electrical resistance o...

Operation 10 3A2988B Operation Pressure Relief Procedure Follow the Pressure Relief Procedure wheneveryou see this symbol. Relieve A and B Fluid Pressure 1. Engage trigger lock. 2. Press Stop to turn sprayer OFF. 3. Close all air motor supply valves or any source offluid pressure. 4. If fluid heater...

Operation 12 3A2988B 8. Cycle the solvent flush ball valves on and off inde-pendently several times to be sure both sides arethoroughly flushed. Continue flushing until clean sol-vent dispenses. 9. Turn off solvent pump air supply. 10. Hold the metal part of the gun firmly to a grounded metal pail w...

Operation 3A2988B 13 Volume Balancing the MixManifold Ratio errors can occur between the sprayer and the mixmanifold even when the sprayer output ratio is accurate. The following can occur when the hoses are not volumebalanced to the mix ratio: • Hoses fill to high pressure while metering on-ratio. ...

Maintenance 3A2988B 15 Maintenance Clean Static Mixers See F IG . 1, page 6. One 12 element mixer is attached (S, Part No. 262478) to the integrator hose (L). Thishousing uses mix elements, available in a package of 25(W, Part No. 248927). Clean Mix Manifold Outlet 1. Remove outlet fitting (33) to e...

Troubleshooting 16 3A2988B Troubleshooting 1. Relieve the pressure before you check or serviceany system equipment. 2. Check all possible causes and solutions in the trou-bleshooting chart before disassembling the mani-fold. Problem Cause Solution Little or no resin output. Fluid inlet is plugged. C...

Repair 3A2988B 17 Repair Check Valves When replacing material check valves or solvent checkvalves, reinstall with proper flow direction. Follow Pressure Relief Procedure , page 10, when you stop spraying and before cleaning, checking, ser-vicing, or transporting equipment. Read warnings inyour spray...

Parts 18 3A2988B Parts 262890 Mix Manifold NOTE: Apply pipe sealant to all non-swiveling threads. 50 1 9 10 33 40, 55 39 21 41 51 21 42 47 5 48 49 37 47 46 45 52 38 53 ti20089a 43 44 56

Technical Data 3A2988B 21 Technical Data Maximum working pressure . . . 6000 psi (41 MPa, 414 bar) for A and B materials 4500 psi (31 MPa, 310 bar) for flushing fluid100 psi (0.7 MPa, 7 bar) for heating fluid Maximum fluid temperature . . . 180°F (82°C) Fluid inlet . . . . . . . . . . . . . . . . . ...

All written and visual data contained in this document reflects the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/patents. Original instructions. This manual contains Eng...