Graco XP70 - Manual

Important Two-Component Material Information 3A0420H 7 Important Two-Component Material Information Isocyanate Conditions Material Self-ignition Keep Components A and B Separate Moisture Sensitivity of Isocyanates Isocyanates (ISO) are catalysts used in two component foam and polyurea coatings. ISO ...

Important Two-Component Material Information 8 3A0420H Changing Materials • Changing material types used in your sprayer requires special attention to avoid equipment dam-age and downtime. • Always clean the fluid inlet strainers after flushing. • When changing between epoxies and urethanes or polyu...

Overview 3A0420H 9 Overview Usage The XP70 plural-component sprayer is a mechanical fixed ratio sprayer that can mix and spray most two-com-ponent epoxy and urethane protective coatings. When using quick-setting material (less than 10 minute pot life) a remote mix manifold must be used. The two pump...

Initial System Setup 10 3A0420H Initial System Setup Complete the following steps in the order they are listed, as they apply to your specific system, for initial system setup. 1. Check the shipment for accuracy. Ensure you have received everything you ordered. See Component Identification , page 12...

Models 3A0420H 11 Models Cart-Mounted XP70 Sprayers All XP70 sprayers include static mixers, 3/8 x 25 ft hose, clean up mixer, 1/4 x 10 ft (x m) whip hose, and XTR 7 spray gun with a 519 tip. See Accessories and Kits on page 52 for a list of all optional accessories. Bare Proportioning Pump Packages...

Component Identification 12 3A0420H Component Identification Key: A Air Motor Supply Hose B Main Air Controls; see page 13 C Air Inlet - 3/4 Npsm(F) D High Pressure Fluid Pump E Air Motor F Fluid Heater (optional) G Solvent Flush Pump (optional); see page 14 H Solvent Flush Pump Air Controls; see pa...

Component Identification 3A0420H 13 Fluid Control Assembly Main Air Controls F IG . 2 AC AA AF AE AD AB AM AK AL AJ AN Key: AA Fluid ManifoldAB Mix ManifoldAC Circulation HandleAD Solvent Flush ValveAE Dual Shutoff HandleAF Fluid Pressure GaugesAG Fluid Supply Inlet (Behind Fluid Manifold)AH Fluid C...

Component Identification 14 3A0420H 45:1 Solvent Flush Pump Kit 262393 (optional) Air Controls F IG . 4: Solvent Flush Pump Kit Key: BA Solvent flush pump (Merkur Pump)BB Fluid InletBD MufflerBE Prime/Flush/Sample valveBF Fluid Outlet HoseBG Circulation hose BA BB (suction hose not shown) BD BG BF r...

Component Identification 3A0420H 15 Air Line Bleed-type master air valve (CA): required in your sys- tem to relieve air trapped between it and the air motor when the valve is closed. • Be sure the valve is easily accessible from the pump and located downstream from the air regulator. • Pump air regu...

Setup 16 3A0420H Setup Location 1. Locate the proportioner on a level surface. 2. Position the proportioner for convenient operator access and maintenance, safe routing of air and fluid lines, and easy connection of components and accessories. 3. For permanent mounting, remove wheels and mount the f...

Setup 18 3A0420H Air Motor Position The air motor position must be set for the mix ratio of the machine, which is defined by which two pumps are mounted. 1. Verify that the correct pumps are mounted for your mix ratio by volume. See chart in Bare Proportion- ing Pump Packages on page 11. 2. Verify t...

Setup 3A0420H 19 Connect Air Supply 1. Connect the air supply hose to the 3/4 npt(f) air filter inlet (C). NOTE: Use a 3/4 in. (19.1 mm) ID minimum air hose. Air consumption is 75 cfm per gallon per minute spraying. Do not use pin fitting type quick discon-nects. 2. Remove plugs as necessary for sol...

Pressure Relief Procedure 20 3A0420H Pressure Relief Procedure Relieve A and B Fluid Pressure 1. Engage the trigger lock. 2. Close the main air shutoff valve (CA). 3. Shut off heaters, if used. 4. Shut off feed pumps, if used. 5. Remove the spray tip and clean. 6. Disengage the trigger lock. 7. Hold...

Prime Empty Sprayer 3A0420H 21 Prime Empty Sprayer Prime A and B Fluids NOTE: The equipment is tested with mineral oil at the factory. If necessary, flush out the oil with a compatible solvent before spraying. See Empty and Flush Entire System (new sprayer or end of job), page 27. Do not install the...

Prime Empty Sprayer 22 3A0420H Prime Solvent Flush Pump Follow instructions if the optional solvent flush pump kit is used. 1. Connect the flush pail ground wire to a metal pail of solvent. 2. Place the siphon tube and the solvent circulation hose (BG) in the pail of solvent. 3. Open the solvent pri...

Prime Empty Sprayer 3A0420H 23 Recirculate or Re-Prime After a Pump Runs Dry Without Heat If using a system that does not require heat, recircula-tion is still required prior to spraying. Recirculation ensures that any settled fillers are mixed in, the pump lines are fully primed, and the pump check...

Spray 24 3A0420H Spray NOTE: After the first day of spraying follow Pressure Relief Procedure, page 20, and tighten the throat packing nuts on both pumps. 1. If heaters are used, turn them on. To adjust the heater temperature, refer to the Viscon HP manual for instructions, and the Heat Fluid sectio...

B Side Mix Manifold Restriction 3A0420H 25 B Side Mix Manifold Restriction If the mix manifold (AB) is mounted on the machine, you do not need to adjust the restrictor (AJ). Leave open two turns minimum. The B side restrictor (AJ) in the mix manifold is only used when the mix manifold is positioned ...

Flush Mixed Material 26 3A0420H Flush Mixed Material Flush the mix manifold when any of the following situa-tions occur. • breaks in spraying • overnight shutdown • end of potlife To flush the entire system, see Empty and Flush Entire System (new sprayer or end of job) , page 27. Flush Mix Manifold,...

Empty and Flush Entire System (new sprayer or end of job) 3A0420H 27 Empty and Flush Entire System(new sprayer or end of job) NOTE: • If the system includes heaters and heated hose, turn them off and allow to cool before flushing. Do not turn on the heaters until the fluid lines are clear of solvent...

Shutdown 28 3A0420H 6. Run the pumps until the A and B hoppers (J) are empty. Salvage the material in separate, clean con-tainers. 7. Close the main air shutoff valve (CA). 8. Wipe the hoppers (J) clean, then add solvent to each. Move the circulation lines (U) to waste con-tainers and push out the d...

System Verification 3A0420H 29 System Verification Graco recommends running the following tests daily. Check for Normal Operation Every time you star t spraying: • Watch the fluid gauges (AF). A pressure drop occurs during pump stroke changeover. It should be quick and synchronous. • Stop the pumps ...

Maintenance 30 3A0420H Maintenance Filters Once a week check, clean, and replace (if needed) the following filters. • Both pump filters; see lower manual for instructions. • Main air inlet manifold filter; see Replace Air Filter Element , page 34. • Spray gun handle filter; see spray gun manual. Sea...

Troubleshooting 3A0420H 31 Troubleshooting ✖ Fluid ratio will be wrong. ◆ Purge all air from system before proportioning fluids. Problem Cause Solution System stops or will not star t. Air pressure or volume too low. Increase; check air compressor. Closed or restricted air line or air valve. Open or...

Repair 3A0420H 33 Repair Follow Shutdown , page 28, if service time may exceed pot life time, before servicing fluid components, and before transporting sprayer to a service area. Pump Assembly The displacement pumps and air motor may be removed and serviced separately or the entire pump and motor a...

Repair 34 3A0420H Remove Air Motor 1. Cycle the yoke and pump rods near the bottom of their stroke. Follow Shutdown , page 28. 2. Disconnect the air line from the air motor (103). 3. Remove the air motor rod cover (121) and pump guards (122). 4. Use a wrench to hold the tie rod (102) flats to keep t...

Repair 36 3A0420H Mix Manifold Assembly 1. Follow Pressure Relief Procedure , page 20. 2. Disconnect the fluid hose (25) and the flush hose from the mix manifold (36). 3. Loosen the union fittings (306) that connect to the mix manifold adapter fittings. 4. Remove the mix manifold assembly (36). 5. S...

Repair 38 3A0420H Hoppers 1. If material is in the hopper pump out the remaining material. 2. If the pump has failed: a. Place a waste container beneath the plug on fit- ting (61). Remove the plug. b. Drain all material from hopper into the waste container. c. Install plug after material is no longe...

Repair 3A0420H 39 Optional Fluid Heaters NOTE: Wiring for heaters is not provided. See the Vis- con HP heater manual for wiring, repair, and parts infor-mation for explosion-proof heaters. Service and Repair 1. Follow Pressure Relief Procedure , page 20. 2. Disconnect the fluid lines and electrical ...

Parts 40 3A0420H Parts Cart-Mounted XP70 Sprayer 1 15 14 13 16 11 3 17 18 9 8 7 5 10 12 17 64 50 53 38 54 13 13 11 52 1. Apply anaerobic pipe sealant to all non-swiveling pipe threads. 2 r_571101_3a0420a_30a r_571101_3a0420a_30a

Parts 3A0420H 41 Cart-Mounted XP70 Sprayer Continued 23 22 4 18 5 6 24 55 56 58 59 60 61 62 24 24 22 41 37 35 36 32 27, 28 26 52 48 18 5 1 57 69 49 “A” 49 “B” 66 70 27, 28 32 27, 28 25 29 30 31 r_571101_3a0420a_44a-1 r_571101_3a0420a_45a TI17434a 90 89 65 (inside hopper)

Parts 42 3A0420H Common Parts ▲ Replacement Danger and Warning labels, tags, and cards are available at no cost. ✖ Not shown. Ref. Part Description Qty. 1 258913 CART 1 2 262476 AXLE, vertical 1 3 111841 WASHER, flat; 5/8 2 4 PACKAGE, pump; see page 44 1 5 100133 WASHER, lock; 3/8 7 6 100101 SCREW, ...

Parts 3A0420H 43 Parts Varying by Model with Hoppers Parts Varying by Model with No Hoppers Ref. Part Description XP70 Plural-Component Sprayer Models 571102 571152 571202 571252 571302 571402 4 571100 PUMP, fixed ratio, 1:1 1 571150 PUMP, fixed ratio, 1.5:1 1 571200 PUMP, fixed ratio, 2:1 1 571250 ...

Parts 44 3A0420H Bare Proportioning Pump Package 1 Torque together to 50-60 ft-lbs (68-81 N•m). Torque to 145-155 ft-lbs (196-210 N•m). Apply blue thread sealant. Insert lanyard from locking pin onto pumps (17, 18) as shown. Do not apply lubricant. Torque to 70-80 ft-lbs (95-108 N•m). Apply lithium ...

Recommended Spare Parts 48 3A0420H Recommended Spare Parts Keep these spare parts on hand to reduce downtime. Pump Repair Kits See page 11 to see what pumps are used on your sprayer model. See lower manual for repair kits. Pump Filter O-rings (packs of 10) 262483, Top o-ring244895, Middle o-ring2624...

Pump Performance Charts 3A0420H 49 Pump Performance Charts Calculate Fluid Outlet Pressure To calculate fluid outlet pressure (psi/MPa/bar) at a spe-cific fluid flow (gpm/lpm) and operating air pressure (psi/MPa/bar), use the following instructions and pump data charts. 1. Locate desired flow along ...

Pump Performance Charts 50 3A0420H Pump Performance Charts Continued Fluid Pres sure in ps ig ( M P a , bar ) 1.5:1 Mix Ratio Key:Air Pressure A 80 psi (0.55 MPa, 55 bar) B 70 psi (0.5 MPa, 7.8 bar) C 40 psi (0.3 MPa, 2.8 bar) Air Flo w in SCFM (m 3 /min) 200 (5.6) 180 (5) 160 (4.4) 140 (3.9) 120 (3...

Accessories and Kits 52 3A0420H Accessories and Kits Acceptable For Use in Explosive Atmospheres Blue 7 Gallon Hopper Kit, 24F376Green 7 Gallon Hopper Kit, 24F377 Mount to the sides of an XP70 sprayer. See manual 406860 for more information. Solvent Pump Kit, 262393 For supplying solvent to the mix ...

Technical Data 3A0420H 53 Technical Data Volume Mix Ratio Pressure Ratio “A” Side Pump “B” Side Pump Combined Fluid Output cc/cycle Maximum Air Working Pressure psi (MPa, bar) Maximum Fluid Working Pressure psi (MPa, psi) Flow Rate at 40 cycles/min gpm (ltr/min) 1:1 76:1 Xtreme 85 Xtreme 85 173 95 (...

Dimensions 54 3A0420H Dimensions 6.75 in. (171.45 mm) 16.90 in. (429.26 mm) 40 in. (1016 mm) 15.25 in. (387.35 mm) 22 in. (558.8 mm) 32 in. (812.8 mm) 32 in. (812.8 mm) 52 in. (1320.8 mm) 60 in. (1524 mm) r_571100_3a0420_101a r_571100_3a0420_100a 35 in. (889 mm) Full System Bare System Top VIew Side...

Dimensions 3A0420H 55 Bare Proportioner Mounting Hole Dimensions The dimensions below is the minimum opening size for mounting a bare proportioner. 10.125 in. (257.175 mm) 5.06 in. (128.52 mm) 3.75 in. (95.25 mm) 10.375 in. (263.525 mm) 3/8-16 (4x) 7.5in. (190.5 mm) 14.35 in. (364.49 mm) 9.25 in. (2...

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. Original instructions. This manual contains English. MM 3A0420 Graco Headquarters: Minneapolis Int...