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- 308161A TEXSPRAY SYSTEM Model E110C
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INSTRUCTIONS/PARTS LIST This manual contain IMPORTANT WARNINGS and INSTRUCTIONS. GRACO READ AND RETAIN REFERENCE FOR TEXSPRAYTM SYSTEM GRACOINC- EO. BOX 1441MINNEAPOLIS,MN55440-1441 @COPYRIGHT1991, GRACO INC. 308-1 61 Rev. A FOR PROFESSIONAL USE ONLY OBSERVE ALL WARNINGS. Read and understand all instruction manuals before operating equipment. EQUIPMENT MISUSE HAZARD Pressure Relief Procedure To reduce the risk of serious bodily injury, including electric shock and splashing fluid in the eyes, follow this procedure before checking, adjusting, cleaning, moving, or repairing any part of the system. Shut off the system. Triggerthegun. Open the gun air valve (handle parallel with valve body). 4. Unplug the system. . . 1. 2. 3. NEVER alteror modify any part of this system; doing so may causeit to malfunction. Do not operate the system with the side panels removed. Internal components get extremely hot. CHECK all equipment regularly and repair or replace damaged parts immediately. Always wear appropriate clothing and equipment. such as eye protection and breathing apparatus, to protect yourself. System Pressure T6s system has a 100 Dsif7 bar) Maximum General Safety Workina Pressure. Never exceed these presAnymisuseoftheequipmentoraccessories,sures,orthemaximumworkingpressureofthe such as overpressurizing, modifying parts,uslowest rated component in your system. ino " incomDatible chemicals and fluids.or usina worn or damaged parts. can cause compoFluid Compatibility nents to ruptureandresultinseriousbodilyThesystemisforuseonlywithwater-based injury,includingeyeinjury,fire,explosionorsimulatedacousticandwalltexturematerials. Parts Wetted the property damage. See on page 35. - FIRE OR EXPLOSION HAZARD Static electricity is created by the fluid flowing Grounding through the pump and hose. If the equipment is not properly grounded, sparking may occur, To reduce the risk of static sparking, ground the pump andall other equipment usedor loand the system may become h'azardous. cated in the pumping area. CHECK your local Sparks can ignite fumes, dust particles and electrical codefor detailed grounding instrucother flammable substances and cause a fire tions for your area and type of equipment. or explosion, serious bodily injury, and propGROUND ALL OF THIS EQUIPMENT. erty damage. Locate the system at least 20 ft (6.1 m) away fromanyexplosivevapors to reducetherisk of spray the pump is grounded to a fire or exDlosion due to arcina Darts. the cart. Plug the power cord into a prop- , ~ ~ erly grounded, 110 volt, 15 amp outlet. Be Do not expose the systemto rain. Always store sure the plug is undamaged. the system indoors. If you experience any static sparking STOP SPRAYINGIMMEDIATELYDo notusethesys2. If thesystem is connected to acircuitproof the problemis tern again until the cause tected by fuses, use a time delay fuse identified and corrected. marked D. '. ~~ IMPORTANT United States Government safety standards have been adopted under the OccupationalSafety and Health Act. These standards - particularly the General Standards,Part 1910, and the Construction Standards,Part 1926 should be consulted. 2 308-161 Reserve exclusivement a I'usage professionnel. Observer toutes les consignes de skurite. Bien lire et bien comprendrs tousles manuels d'instructions avant d'utiliserle materiel. RISQUES EN CAS DE MAUVAISE UTILISATION DU MATERIAL Procedure de Decompression Pour limiter les risques de blessures graves, y compris la protection de liquide dans les yeux, toujours suivre cet procbdure avant de vbrifier, regler, nettoyer,deplacer ou rbparef une partie quelconque du systeme. 1. Arr6ter le systeme. 2. Actionner la gachette du pistolet. 3. Ouvrir la vanne a boule du pistolet. 4. Debrancher le cord6n d'elimination. NE JAMAIS alterer ou modifier une piece de cet appareil; ceci risquerait d'entrainer son mauvais fonctionnement. Ne pas faire fonctionnerle systeme quandles panneau latbraux sont enlev6. Les composants internes sont tres chauds. Vbrifiez rBguli6rementtoutes les pieces du systeme et rBparez ou remplacez les pieces us& ou abimees immbdiatement. Porter toujours des v6tements et des Bquipements appropribs, tels que des lunettes de protection, ou un systerne resplrat8ire pour votre protection, Pression Consignes generales de securite Toute utillsation anormale de I'appareil de pulvgrisation ou des accessoires comme, par exemple,la mise sous une pression excessive, les modifications de pieces, I'utilisation de produits chimiques et de matieres incompatibles et I'utilisation de pieces usbes ou abirnees peut causer des dbggts A I'apparei1 ou des ruptures de pieces et entrainer uneinjection de liquide ou d'autres blessures sbrieuses,un incendie, une explosion ou d'autres dBgAts. Ce systeme a une presion maximum de fonctionnement de 7 bar. Ne jamais dbparer cette presion,ni la presion maximum de fonctionnement du composant le plus faible du systhe. Cornpatibilite chirnique des produits Cet SySteme est consue Seulement pour utiiiser des produits acqueux utilisbs dans les rev6tements muraux texturesou accoustiques. Voir les materiaux en contact avecle produit en page 35. RISQUES D'INCENDIE OU D'EXPLOSION De I'Blectricite statique est crBBe par I'Bcoulement du fluides dans la pompe et dans le tuyau. Si I'bquipement n'est pas correctement mis B la terre, des Btincelles peuventse produire et le systeme peut devenir dangereux.Les Btincelles pewent enfiammer des vapeurs des poussieres et autres substances inflammables et provoquer un incendie ou une explosion, des blessures graves et des dBgAts importants. Place toujours le syst6me A au moins 6 metres de toute vapeur explosive pour Bviter les risques d'infiammation dues aux etincelles. Pour rbduire le risque de dBchargeBlectrique,n'exposez pas A la pluie. Rangez le systeme a I'intBriuer. S'il se produit des Btincelles d'Blectricite statique, ou si vous ressentez la moindre dbcharge, ARRETE2 IMMEDIATEMENT LA PULVERISATION. VBrifiez que le systeme avant quele probleme soit identifib et corrige. Mise a la terre ou a la masse Pour reduire les risques d'btincelles dues 6 I'electriclt6 statique, mettle A la terre la pompe et les autres Bquipements utilisBsou situ& dans la zone d'utillsation. VBrifier le code Blectrique qui s'appliquent pour les details de mise A la terre pour ce type d'bquipement. MettreA la terre tous les composants de cet Bqulpement. 1. Systbme de pulvbrisatlon - la pompe est mls A la terre sur le chariot. Brancher la priseune sur prise 1 IOVolts, 15 amperes. VWer A ce que la prise soit en bon &at. 2. Si ie System est branch& sur une circuit protege par des fusibles, utiliser des fusibles A une action differbe marquesD. 308-161 3 NOTES 4 308-161 PREPARATION Key Air outlet A Fluid outlet B ON/OFF switch 47 Pump air regulator 83 Fig 5-1 'B Compressor break-in The first time you use the system, iun the compressor under no load tobreak it in, improve performance and lengthen its life. 1. Be sure the air hose is disconnected at A so there is no load'onthe compressor. 2. Turn the air regulator (83) fully counterclockwise (-) to the minimum setting so the pump won't run. 3. Turn on the switch (47). Run the system for 15 minutes. Shut off the switch. Hose size and lengths The system is supplied with a 3/4 in. x 50 ft. (19 mm x 15 m) fluid hose. An optional 1 in. x 50 ft. (25 mm x 15 m) fluid hose is available forspraying heavier material.A gun adapter is required if connecting a 1 in. hose directly to the gun. See Accessories. 0834 Do not use more than 100 ft. (30 m) offluid hose. For multiple hoses,use a 1 in. dia. hose at the pump and a 314 in. dia. hoseto the gun. Setup the system A CAUTION I To avoid damage to the pump inlet, do not overtighten the fluid hose. Hold the pump outlet fitting (B) with a wrench when tightening the hose. 1. Connect the hoses and gun as shown. 2. Plug the power cord into a properly grounded, 120 Volt, 15 amp outlet. 3. If possible, use more hose-up to 100 ft (15 m) maximum-rather than an extension cord. If you do use an extension cord, be sure it has three 12 gauge minimum wires, an undamaged 3 prong plugand is no longer than 50 ft. 115 m). Do not use an adaDter. 308-161 Use only GENUINE GRACO PARTS AND ACCESSORIES. ~ ~~ ~~ 5 STARTUP Operation characteristics 1. The system will not start unless the compressor air has been relieved! Be sure the gun air valve (423) isopen (handle parallelto valve body), which relieves compressor air, every time you shut off the system. See Fig 6-1. 2. Air bleeds from the gun nozzle whenever the gun air valve (423) is open. Close the valve to stopthe air, if desired. Otherwise, it can stay open except during priming.See Fig 6-1. See page 8 for more gun characteristics. Key The motor has a thermal overload switch which shutsdown the motor if it overheats. To reduce the risk of serious bodily injury due to the system restarting unexpectedly, alwaysturn off the system at the ON/OFF switch (47) if the motor shuts down. Always wet the hose before pumping texturematerial! Wet the inside of thehose before each use to flush out sedimentand to prevent the texture materialfrom packingout the hose. 423 Gun air valve NOTE: Refer to Fig 7-1, page 7, for this procedure. 1. Fill the hopper with 3-6 gal./ll-23 I of clean water, depending on thehose length. 2. Turn the air regulator (83)fully counterclockwise (-) to minimum pressure. 3. A compressor pressure relief valve (79) is located behind the cart’s front panel. Air escapes from the valve, causing a popping sound, when air to the pump or the gun is at minimum pressure. The valve resets automatically whenair to the pump or gun is increased at the regulator (83).See Fig 7-1, page 7. 4. If air exhausts through the pump muffler (216) or the pump starts and then stops, press down the pump reset button (B). See Detail A in Fig 7-1, page 7. 5. The air regulator knob has two positions. Pull outthe knob toadjust the pressure. Push in the knob tolock the adjustment in place. 6 308-161 3. Close the gun air valve (423):the system primes easier if no air is supplied to the gun. 4. Turn on the switch (47). Trigger the gun into the hopper. Turn the pump regulator (83)slowly to 40-50 psi (2.8-3.5 bar). Trigger the gun tocirculate the water for a few minutes and wet the inside of the fluid hose. 5. Trigger the gun into a pail to lower the water to the hopper strainer (16) level. 6. Turn off the switch (47). 7. Open the gun air valve (423) to relieve the compressor air. Use only GENUINE GRACO PARTS AND ACCESSORIES. l. STARTUP Key A B 16 17 47 79 83 Air hose outlet 216 Pump reset button 423 Hopper strainer Hopper open) ON/OFF switch Compressor pressure relief valve (located behindpanel) Pump air regulator Pumpmuffler Gunairvalve (shown Fig 7-1 0835 Mix material the A CAUTION Use only simulated acousticand wall texture materials inthis system. Do not spray cementious materials, whichwill damage the pump. Proper materialmixture is essential. The pump won't operate if the material istoo thick. Slowly add one 40 Ib. (18 kg) of texture material to 5 gal. (19 I)of clean water. Agitate to a smooth, lump-free consistency. Thin or thicken the materialas needed before pouringit into the hopper. Prime the system 1. Fill the hopper (17) with the preparedgun texture 2. Install a tip. Refer to theSelection Tip Chart on page8. 3. Open'the gun air valve (423) to'be sure air pressure is relievedand then close it again; the system primes easier if no air is supplied to the gun. 4. Be sure there are no kinks in the hose, which restrictsfluid flow. 5. Turn on the switch (47). Trigger the gun into a pail. Adjustthe air regulator (83) to 40-'60 psi (2.8-4.2 bar). When texture material appears at the tip, move the gun to the hopper andcirculate until there is a solid stream of texture material. Increasethe pressure if a continuous stream is hardto obtain. 6. See SPRAY TECHNIQUES on pages 8 and 9 for how to balance the pump and adjustments for a good spray Use OnlyGENUINE GRACO PARTS AND ACCESSORIES. 308-161 7 SPRAY TECHNIQUES Tip selection chart I Application I Tip Orifice 3116 Simulated Acoustic 114" 5116" Fog Orange Peel Splatter Coat Knockdown ' I, Air Volume1 I (fine, or small confinedareas) (fine to medium) (coarse) 3116" 3/16" to 1/4" 1/4 to 5/16 5/16" Med. to High 60-80 psi(4.2-5.6 bar) (coarse) Med. to High Low to Med. Low . , A good spray pattern requires testing to balance the pumppressure and the air to the gun, and selecting the right tip size. 2. 40-60 psi(2.8-4.2 bar) (fine to medium) 40-60 psi(2.8-4.2 bar) High 40-60 psi(2.8-4.2 bar) 40-60 psi(2.8-4.2 bar) 60-80 psi(4.2-5.6 bar) Control air volume with the gun air flow valve. For more material volume,try a larger orifice tip. Then, if more material volumeis needed, increase the pump pressure. Adjusting the spray pattern 1 Material Volume2 Refer to the chart above. Consider the size of aggregate in the material and the coarseness of the spray pattern. Remember, the largerthe tip, the heavier the pattern. Adjust the pump pressure at the regulator (83)until the material stream is about 8 in. (203) mm long. 3. Test the spray pattern on cardboard. Hold the gun 18-30in. (457-762 mm) from thesurface. Use this spraying distance for most applications. 4. Adjust the pump regulator and the gun air flow valve (424)to achieve a uniform, round spray pattern. Read pages 8 and 9 before adjusting the gun. How to prevent material surge at the beginning of a spray pattern Squeeze thetrigger slowly to thefully triggered position while moving the gunquickly. How the gun works Adjust the material flowknob (418) so only 1 or 2 threads are visible. Fullyopen the air flow valve (424) by turning it as far aspossible to . See Fig 8-1. This is the standard adjustment for spraying texture materials. Before adjusting the gun, read pages 8 and 9. + For continuous spraying Use the trigger bail (401) to hold the trigger open to reduce operator fatigue. Key 401 418 Trigger bail Material flow knob 423 424 5. Overlap each stroke50%. A CAUTION Always run thepump at the lowest pressure needed. This maximizes the efficiency of the gun adjustments and prolongs the compressor life. 8 308-161 Use on& GENUINE GRACO PARTS AND ACCESSORIES. SPRAY TECHNIQUES Spraying high ceilings Spraying small, confined areas To avoid wearing stilts orusing scaffolding when spraying 9-12 ft. (2.7-3.6 m) ceilings, use a higher pump pressure and air volume (controlled at the gun) to projectthe material onto theceiling. The valve and knob m'ay be used tomake fine adjustments without adjusting the pump when spraying smaller, confined areas, such as closets. Kev 418 423 424 Material flowknob adiustment 1. For a lighter spray pattern, turn IN the knob (418). 2. For a heavier spray pattern, turn OUT the knob (418) so that no more than two threads are showing. Material flow knob Gun airvalve (shown open) Air flow valve A CAUTION Turning the knob (41 8)out too far will remove the knob andthe gun will not shut off whenthe trigger is released. Air flow valve adiustment 1. To decrease air flow turn the valve (424) toward -. 2. To increase air flow, turn the valve (424) toward +. Check material consistency periodically Fig 9-1 0831 Check and thin the material as needed to maintain theproper consistency. The material may thicken as it sits and slow down production or affect the spray pattern. Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-161 9 SHUTDOWN and CLEANUP Key 16 Hopper 17 47 62 Hopper strainer ON/OFF switch Small sponge filter (located behind large filter) 67 Large sponge filter Pump 83 regulator 423Gun airvalve (shown open) Fig 10-1 0835 1. . Be sure the compressor pressure is relieved (gun air valve open). Close the valve again. Turnon the switch (47). 9. Pour 12 02. (360 ml) of clean water into the hopper drain to KEEP THE PUMP WET DURING NON-USE. Trigger the gun into a pail to lower the NOTE: In cold weather, try to store the fluid to the hopper strainer (16) level. system where will it not freeze. If it does freeze, thaw itthoroughly be3. Fill the hopper with 3-6 gal. (11-23 l) of fore using it. clean water, depending on the hose length. Clean the inside of the hopper 10.Removethe two sponge filters(62,67), with a brush. clean them thoroughly, and reinstall them. 4. Trigger the gun into a pail until most of the texturematerialis pumped out.11.Clean and dry the gun. Oil the gun daily with a few drops of SAE-10 light 5. Fill the hopper with clean water. oil at the points indicated Fig in10-2. 2. I 6. Set the air regulator (83) to 50 psi (3.5 bar) for sufficient pressure to clean out material build up in the system. Spray half the waterinto a pail. Trigger the gun into the hopper to circulate the remaining water for several minutes. 011 and 7. Trigger the gun into the pail to empty the hopper the hose. 011 8. Turn off the switch (47). Open the gun air valve (423) to relieve compressor pressure. 10 308-161 Fig 10-2 Use only GENUINE GRACO PARTS AND ACCESSORIES. 0831 PUMP MAINTENANCE Key A Lubricate inlet every Air 206 Clar?lpS Screws 214 215 Nuts Grounding (8-14 245 strip To reduce the risk of serious.bodilyinressure Relief Proce- 500 hours gallons pumped A TorqueN.m) to 72-120 In-lb Daily checks Before each use, check, all hoses for wear or damage andreplace as necessary. Be sure hose connections are tight and leak-free. Pump lubrication After every 500 hours of fluid pumped, remove the hose from the pump air inlet (A) and add two drops of machine oil or spray some WD-40 into the air inlet. Referto Fig 11-1. Tighten pump’s threaded connections every six months Remove the pump from the cart and thoroughly check and tighten all threaded connections. Whentightening the clamps (206), remove the grounding strip(245) and tighten the screws (214) and nuts (215) on both sides. Torque the screws to 72-1 20 in-lb (8-14 N.m). Reinstall the grounding strip. See Fig 11-1. Fig 11-1 Use Only GENUINE GRACO PARTS AND ACCESSORIES. ~~ 308-161 11 TROUBLESHOOTING GUIDE To reduce the risk of serious bodily injury, relievepressure before checking or repairing any part of the system. See the Pressure Relief Procedure on page2. system Troubleshooting PROBLEM CAUSE SOLUTION I min I ~ Material too thick Spray patterntoo coarse I ~ Increase air volume at the gun. Not enough air volume ~~ 1. Decrease fluid pressure; Material volumetoo high 2. Change to smaller nozzle 3. Turn spray patternknob in ~~ ~ ~ ~~ ~ ~ Spray pattern is.too fine or produces too much overspray. ~~~ ~~~ ~ ~~ ~~ Too much air volumeat gun Decrease air volume atgun Too little material volume 1. Change to a larger nozzle 2. Increase fluid pressure. 3. Turn spray patternknob out. Speed of application seems siow. Material too thin Thicken Pump pressuretoo low Increase I Nozzle too small Material too thick 1. Thin material. 2. Use i" dia. fluid hose andadapter. ~~ ~ Material surges when first trig- Triggering too fast. gering gun. (A slight surge is normal.) Pump pressure is too high Squeeze triggerslowly to fully open position while movinggun quickly. Also see Spray Techniques onpages 8 and 9. Lower pump pressure. Pump Troubleshooting Check all possible problems and causes before disassembling the pump. ' PROBLEM CAUSE Pump will not cycle or cycles once and stops SOLUTION Air valve stuck Push airvalve reset button. See p a w 5. I Material too thick I min 1 Clogged or damaged pilot valves I Repair or replace. See page 24. I Dirt in passageway I I Directorvalvegaskets (220) and plate (228) installed incorrectly 2 308-161 Clean valve housing andpilot area. See page . - 24. Check and correct. See page 20. Use only GENUINE GRACO PARTS AND ACCESSORIES. I TROUBLESHOOTING GUIDE WOBLEM CAUSE SOLUTION Jump cycles at stall or fails to iold pressure atstall Leaky check valves or O-rings Repair or replace. See page 19. Worn director valve (235) Replace or replace.See page 20. Worn shafl seals (230) Replace. See page 23. Clogged suction line Inspect; clear. Check valve plug(226) is loose Tighten. Refer to page 19. Sticky check valveballs Clean or repair.See page 19. Diaphragm (212) ruptured Replace. See page 22. Sticky director valve(235) Add two drops machine oil or spray some WD-40 into air inlet. See page11. Suction line loose Tighten. Pump operates erratically Air bubbles in fluid (212) ruptured , Replace. See page 22. Diaphragm Manifold O-ring (231) is leaking Replace. Fluid in exhaust air Diaphragm (212) ruptured Replace. See page 22. Pump exhausts air at stall Loose director valve(235) Tighten fourbolts (207) holding valve to pump housing. See page 20. Worn or damaged director valve Repair or replace.See page 20. Sticky director valve(235) Add two drops machine oil or spray some WD-40 into air inlet. See page 11. Worn shafl seals (230) Inspect; replace. See page 23. V-clamp (206) Is loose Tighten V-clamp. See page 22. Pump exhausts air from cover Pump exhausts air near director Director valve bolts (207) are loose valve Pump leaks fluid fromcheck valves Tighten. See page 20. Director valve gaskets(220) damaged Inspect; replace. See page 20. Worn or damaged O-rings (258) Inspect; replace. See page 19. Tighten plug (226). See page 19. Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-161 13 REMOVING THE COMP.RESSOR 1‘: Fig 14-1 0837 A CAUTION Be sure the compressor duct work is cool before removing it. If the sprayer was operated recently, it will be very hot andcan cause burns! NOTE: Clean the cooler whenever the compressor is serviced. NOTE: A compressor rebuildkit, part no. 224-989, isavailable.The kit includes or repair instructions. For repair assistance for compressor service center locations, call 1-800-535-0505. 14 308-161 Required Tools 2 adjustable open-end wrenches #2 Phillips screwdriver 318’’ socket wrench Procedure 1. Follow the Pressure Relief Procedure. See page 2. 2. Disconnect the tube (55) from the hopper (17). Continued on page 15. Use only GENUINE GRACO PARTS AND ACCESSORIES. REMOVING THE COMPRESSOR 3. Remove one screw (34-A) from the top rear corner of each side panel. 7. 4. Lift out the hopper (17). 8. Loosen or remove the screw (34-D). 5. Remove the screws (34-B) holding the rear panel (26). Removethe rear panel. 9. Unplug the motor power cord (32) and remove the cord fromthe clip (98). Disconnect the copper tube (89) at the cooler (A), using two wrenches. NOTE: Fig 15-1 is shown with the side panels removed for visual purposes only. Refer to it for Steps 6 to 11. I O . Disconnect the air intake hose (84) at the air intake filter (66). 6. Remove the two motor mounting screws (75) and remove thetwo screws (74). 11. Grasp the motor (31) - not the duct work - and lift out the cooler/compressor assembly. Use on& GENUINE GRACO PARTS AND ACCESSORIES. 308-161 15 REMOVING and CLEANING THE COOLER 1. Remove the screws (34-A) and the air deflector (49). Hold thecompression fitting (18-A) and unscrew the fitting (18-8). See Detail A, below. 2. Remove the two top screws (34-B) and the two lower screws (99). Remove the cooler assemblyfrom the compressor. 3. Remove the remaining screws (34°C) and remove the upper duct (19). 4. Clean the cooler (71) whenever the compressor is serviced to improve its efficiency. Spray waterthrough the cooler to thoroughly clean it. NOTE: When reassembling the sprayer, be sure both pads (73) are in place on the lower duct (23). See Detail B, below, which shows the compressor from the rear. 1 18-A 18-B \ 16 ~~ 308-161 ~~ Use On& GENUINE GRACO PARTS AND ACCESSORIES. COMPRESSOR/COOLER REASSEMBLY 1. Assemble allofthe duct work on the compressor/cooler. 4. Push the screw (75)through the foot pad (77).Place the square nut (72)on top of the screw and holdit in place while engaging only two or three threads. Slidethe motorforward. 2. Push a pad (73)over the rear foot (A) of the motor (31). Push the bracket (109)onto the rear foot (A). See Detail B, screws below. 5. Thread the rear motormounting (74)into the bracket (109)and tighten them. 3. Put the motoron the cart (B), aligning the holes and slots.Besure the lip (D) of the front duct work is mounted ~ v e r the cart’s filter panel (70). See Detail A, below. See Fig 15-1 also. 6. Tighten the screws (75)while holding down thenuts (72). 7. Continue reassembling the sprayer in the reverse order of disassembly. - Detai1.B Ref 72 Ref 77 Ref 75 A 084 A .Detail A Fig 17-1 0854 Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-161 17 REMOVING THE PUMP NOTE: Refer to Fig 18-2 except where noted. 1. Follow the Pressure Relief Procedure. See page 2. 2. Disconnect the air outlet hose at~(A) and the fluid outlet hose at (B). See Fig 18-1. 3. Pull the pins (54) and remove the handle (2). 4. Disconnect the hose (55) at the hopper. 5. Disconnect the air hose (100) from the back of the air regulator. 6. Disconnect the ground wire (61). 7. Remove the pump mounting nuts (21). Fig 18-1 8. See pages 19-24 for pump repair. '"L, 55 18 308-161 Use onty GENUINE GRACO PARTS AND ACCESSORIES. PUMP REPAIR - BALL CHECK VALVES 2. 0 + 202 -@"I 217' / Disassemble the top ball checks. Turn the pump over. Remove the plug (226) and spacer (253). See Fig 19-1. 3. Insert a 318: dia. x 8" dowel (A) through the top ball guide (203*). Press on the bottom ball stop (204*) to push out the ball guide (203*), ball (217*), O-ring (258*), and ball stop. See Fig 19-2. 4. Turn the pump over. Insert the dowel at an angle so it contacts the edge of the top ball guide (203'), and push out the guide and O-ring (258). See Fig 19-2. 5. Clean all parts. Inspect parts and replace worn or damaged ones. 6. Reassemble. Follow all notes in Fig 19-1. 20 Torque to 60-80 in-lb (6.8-9 N.m) A When tightened fully, there will be a small gap between the hex of the plug (226)and the cover (201). DO NOT OVERTIGHTEN! - ,226 Fig 19-1 NOTE: ReDair Kit 224-970 is available. Kit parts are shown with a after the Ref No. use all the parts in the kit. NOTE: For proper ball seating, replace the guides (203') when replacing the balls. Use new O-rings (258) if the old ones are removed for any reason. W 1 . Remove the pump from its mounting. Fig 19-2 See page 18. Use only GENUINE GRACO PARTS AND ACCESSORIES. 0817 308-161 19 PUMP REPAIR - DIRECTOR VALVE NOTES: a. A complete air director valve, p/n 224-015, is available. To replace the complete valvefollow steps 1 and 11, install the new valve and reassemble the pump. To replace individual parts, follow all steps. 4. A CAUTION Check both internal and external sealing surfaces of the valve housing (304) for nicks and burrs, and replace if damage is noted. b. ReDair Kit 221-090 is available. Kit p a k are marked with a ** after the Ref No. Use allthe parts in the kit. c. Use a pick to remove O-rings. d.Refer to Fig 21-1exceptwhere otherwise. noted Procedure for 1. Remove the director valve (235). See Fig 20-1. 2. 20 Remove the retaining ring (314). Insert a screwdriver through hole (D) and pull out the cylinder (313). Repeat for the other cylinder. 308-161 Unscrew the two halves of the piston (302). The valvestem (303) will stay connected to one of the pistons; do not remove the stemunless you are replacing one of these parts. Insert a screwdriver through the housing (304) to the opposite spacer (306) and knock it out. See DETAIL A in Fig Repeat 21-1. side.the other 5. 6. Remove the O-rings and u-cup pack- inos. " 7. Install the u-cup packings (307", 308**) in the spacer (306). Placeorings (309, 310) on the outside of the macer. Use a socket to press the Use only GENUINE GRACO PARTS AND ACCESSORIES. PUMP REPAIR - DIRECTOR VALVE 8. Apply one drop of Loctites TL-242 IO. Install the O-rings(301**,31 1 and 312) on the cylinder(313).Press the cylinder (blue) to the threads atone end of the valve stem (303) and screw it into one into the housing (304).Installtheretainpiston (302).Guide the pistonthroughingring (314)flat side out.Repeatfor the otherside. the housing (304). Apply Loctiteo to the other end of the valve stem, and install 11. Install the director valve;align the holes the other piston from the otherside. in the gaskets (220) and plate (228) ex9.Install the washer(305)inthe housing actly as shown in Fig 20-1. (304). Repeat forthe other side. DETAILA &- I L I A DETAIL B 309 308" 31 0 307" 306 A DETAIL C 301** 312 a 313 or 320 A 0840 Fig 21-1 A Flat side out Torque to 38-42 in-lb (4.348 N m ) Use Only GENUINE GRACO PARTS AND ACCESSORIES. (tilue) to threads Lubricate with lightweight lithium-based grease 308-161 21 PUMP REPAIR - DIAPHRAGM NOTE: Repair Kit 221-089 is available. Kit parts have a t behind theRef No. Use all the parts inthe kit. NOTE: In Step 4 a 13/32 in. EZY-OUT (B) screw extractor is needed to remove the bearings (229'). Other removal methods may damage the pump housing (205). 2. Hold the hex (A) of one plate (213) while removing the opposite plate. Pull out the diaphragm (212') and rod. Grasp the flats of the diaphragm rod (218) and remove the other diaphragm plate (213). Remove the inner diaphragm plates (224) and'diaphragm (212'). 1. Remove the grounding strip (245), the v-clamps (206) and one of the covers (201). 3. Inspect the diaphragm rod (218) and replace it if it is damaged. 22 308-161 PUMP REPAIR - DIAPHRAGM' 4. To remove the bearings (229t), clamp the EZY-OUT (B) in a vise (C) as shown in Fig 23-1. Turn the housing (205)in the di- A 205 Lips face out of housing (205) rection shown by thearrows. 5. Pull the seal (230)out of the housing (205)using a pick. Repeat for the other side. See Fig 23-1. 6. Clean all parts. Inspect the parts replace any worn ones. 7. Install the u-cup seals (230t)so the lips of the seals face out of the hou,sing (205).Install the bearings (22gt)so the holes - face out of thehousina. See Fig 23-1. Fig 23-1 0820 8. Continue reassembling the pump until the rod (218)is installed. Follow all notes in Fig 22-1. 9. Assemble the diaphragm (212t)and diaphragmplates (224and 213)exactly as shown in Fig 23-2. I O . Torque the diaphragm plates (213)into the diaphragm rod (218)as indicated. Continue reassembling the pump, / following the notes in Fig 22-1. 213 A 11. Before installing the grounding strip, tighten the screws (214)and nuts (215)on both sides of the clamps (206).Torque as indicated in Fig 22-1. Install the grounding strip (245). 224A Th,e words *'AIR SIDE on diaphragm (212) must face into the pumphousing A Flat side of plates (224) must face center of pump A Torque to 48-60 in-lb (5.4-6.8 N.m) Fig 23-2 0882 Use only GENUINE GRACO PARTS AND ACCESSORIES. ~ ~~ 308-161 23 REPAIR - PILOT VALVE NOTE: RepairKit221-087isavailable.Kit parts are marked with a after the Ref No. Use all the parts in the kit. * NOTE: Tool 183-899 is available to ease removing the pilot valve (208). 2. Cleanallparts. Inspect the parts and replaced anywornones. 3. Reassemble. Follow all notes in Fig 24-1. 1. With the diaphragms removed (see page 20), use a screwdriver or Tool 183-899 to unscrew the valve nut (208). Removethe valve parts. Fig 24-1 24 308-161 0822 Use only GENUINE GRACO PARTS AND ACCESSORIES. GUN - PARTS LIST & DRAWING Model 224-722, Series A Includes items 401 to 424 405' \ 403 Ref No Part No. 187-391 401 111-550 403 111-558 405 111-549 406 40711-548 408"' 1 11-547 409"' 11 1-546 410"' 11 1-545 187-397 1 41 111-544 412 413'*' 224-714 111-561 414 111-551 415 111-553 416 154-594 417 Descriptlon BAIL, trigger TRIGGER FITTING, fluid inlet PACKING NUT RETAINING NUT, nozzle 5/16" TIP 114" TIP 3/16 TIP WASHER, flat GUN BODY NEEDLE O-RING SPRING WASHER O-RING w 1 1 1 1 1 1 1 1 2 1 1 1 Ref No Part NO. 111-555 418 111-559 419 111-552 420 421 187-41 9 111-542 422 111-560 423 111-543 424 Descrlptlon Q~Y FLUID REGULATOR 1 RING RETAINING PIN LABEL, identificalion FilTlNG, air inlet BALL VALVE AIR RESTRICTOR VALVE 1 Keep a repair kit on hand to reduce down time. Purchase kits separately. Gun Repair KI 224-718 Includes items marked with *** behind the Ref No. Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-181 25 2 1 1 1 1 PUMP - PARTS LIST Model 224-726 Includes items 201 to 258 Ref Ref NO 201 202 203' 204' 205 206 207 Part NO. 208* 209' 212t 21 30 214 223-856 186-299 187-313 186-241 108-945 215 216 217' 218 220 221* 222* 223' 224 225 181-922 181 -924 187-449 186-692 1 81 -923 183-006 1 1 0-347 108-946 110-760 108-944 186-759 183-268 155-685 154-741 108-632 186-265 181-930 226 185-040 22gt 183-019 230t 108-641 231t 109-197 235 224-015 Descrlptlon COVER MANIFOLD GUIDE, ball STOP, ball HOUSING, pump V-CLAMP SCREW, hex washer hd, 1/4-20X 3 %" NUT, valve, acetal STEM, valve DIAPHRAGM PLATE, diaphragm BOLT, sq neck, rd hd, 511 6 8-1 NUT, hex, 511 6 MUFFLER BALL. *A'' ROD, diaphragm GASKET O-RING O-RING O-RING PLATE, diaphragm COVER, exhaust PLUG BEARING PACKING, U-CUP O-RING VALVE, director 28 See parts list on page QtY 2 2 4 4 1 4 4 2 2 2 2 4 6 1 4 1 1 2 2 2 2 1 4 2 2 4 1 NO 236 237 230 239 245 246 2470 250* 2530 258' Part No. Descrlptlon 108-630 SCREW, hex washerhd 10-24 X 518" NUT, hex, 10-24 NUT, S q , 1/4-20 GASKR; cover STRIP, grounding LABEL, identification LABEL, warning SPRING, compression SPACER O-RING 108-947 108-948 183-057 187-019 187-450 183-656 108-980 187-647 105-400 0 Extra Warning labels available at no charge 0 Keep extra on hand to reduce down time. QtY REPAIR KITS Keep a repairkit on hand to reduce down time. Purchase kits separately. Diaphragm Kit 224-015 includes Items markedwith t behind the Ref. No. Pliot Valve Klt 221 -087 Includes Items marked with behind the Ref. No. * Bail Check Kit 224-970 Includes Items marked with * behind the Ref. No. 308-161 26 Use on& GENUINE GRACO PARTS AND ACCESSORIES. 16 16 4 1 1 1 1 1 4 8 PUMP Label 214 - PARTS DRAWING 215 258**/ A T o r q u e to 38-42 in-lb (4.3-4.8 N.m) A T o r q u e to 60-80 in-lb (6.8-9N.m) A T o r q u e to 20-25in-lb(2.3-2.8 N.m) A T o r q u e to 72-120in-lb(8-14 N.m) A T o r q u e to 48-60 in-lb (5.4-6.8 N.m) A S e e page 31 A T o r q u e to 20-25 in-lb (2.3-2.8 N.m) 0 258" A 226 OBI1 Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-161 27 DIRECTOR VALVE - PARTS LIST 81DRAWING Model 224-015 Includes items 301 to 320 Ref No Part No. 301" 159-076 302 183-265 303 183-266 304 185-612 186-013 305 306 186-014 307" 108-732 308" 108-731 110-066 309 109-072 310 31 166-080 1 105-399 312 183-267 313 110-928 314 186-641 318 111-046 319 186-640 320 ' Description O-RING PISTON STEM, valve HOUSING, valve WASHER SPACER PACKING, U-CUP PACKING, U-CUP O-RING O-RING O-RING O-RING CYLINDER RING, retaining, internal 2 PIN SEAL CYLINDER REPAIR KIT Keep a repair kit on hand to reduce down time, Purchase kits separately. Director Valve Kit 221-090 includes items marked with ** behind the Ref No. Refer to pages 18 and 19 forimportant assembly instructions. Torque to 38-42 in-lb (4.3-4.8 N.m) 308-161 28 Use Only GENUINE GRACO PARTS AND ACCESSORIES. ~ ~~ TEXSPRAY SYSTEM - PARTS LIST Model 231-182, Series A Ret Ref No 1 187-3822 3 187-6434 5 187-6426 7' 8 224-7269 Part No. 224-722 187-451 187-641 187-452 224-987 10 187-632 11a 224-978 11b 224-979 12 14 15 16 17 18 19 100-333 20 21 103-473 22 187-415 23 111-499 24 25' 26 29 30 31 32 33 34 176-762 104-010 187-398 111-505 187-414 111-563 -1 87-416 Description TEXTURE SPRAY GUN 1 HANDLE 1 DESIGNATION LABEL 1 IDENTIFICTIONLABEL, front 1 IDENTIFICATIONLABEL,right 1 IDENTIFICATION LABEL, left 1 1 DANGER LABEL 1 POWER CORD, 14 awg DiAPHRAGM PUMP 1 1 NIPPLE, special HOSE SET 1 lncludes items 1la, l l b .AIR HOSE, 3/8" ID 1 x 50'(15 rn) .FLUID HOSE, %" ID x 50'(15 m) 1 NUT, 1%"-18 1 O-RING 1 1 OUTLET FllTlNG 1 COVER STRAINER 1 HOPPER 2 ELBOW, 900 compression UPPER 1 .~ DUCT CAPSCREW. 1/4-20 X %" 4 LOCKNUT, '/;-20 12 WIRE TIE STRAP 1 LOWER DUCT 1 SELF-RETAINING NUT 34 CAUTION LABEL 1 REAR PANEL 1 TERMINAL COVER PLATE 1 GROUNDING SCREW 1 AIR COMPRESSOR, 3.5 HP 1 POWER CORD, motor 1 POWER CORD, unit 1 SCREW, Dan head, ~ 102-040 187-453 224-975 187-606 111-593 224-985 224-778 224-790 110-037 ~ 186-620 100-718 154-636 101 -242 111-481 224-777 107-436 187-393 187-434 224-986 111-591 11 1-584 105-679 224-738 187-601 105-658 105-774 105-659 104-514 111-576 187-433 109-059 No 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 Part No. ~~ l k S GROUND SYMBOL LABEL LOCKWASHER. #10 WASHER, 0.630 ID RETAINING RING, external WHEEL GROUND CONDUCTOR TERMINAL STRIP SIDE PANEL, right FOAM SPACFR .~ ~~~. . COMPRESSOR FAN FAN WASHER SCREW, hex shoulder TOGGLE SWITCH .~ BLOWER DUCT AIR DEFLECTOR LOCKING RING ON/OFF SWITCH PLATE TOGGLE BOOT STRAIN RELIEF BUSHING " ~ ~ Descrlptlon Qty CAPSCREW,SCh, %-20 X %" 100-644 11 1-570 CARRIAGEBOLT, 'A-20 X 'A" 100-527 WASHER NUT, 10-24 100-1 79 224-792 GROUND CONDUCTOR 111-587 FILTER, compressor air 187-385 PANEL FRONT SCREEN, filter 187-640 11 1-589 RETAINING RING 187-444 FILTER DUCT 111-494 FILTER, air cooling 187-384 SIDE PANEL. left HOSE BARB. 187-445 224-753 FILTER PANEL AIR COOLER 187-480 187-463 111-583 111 4 9 7 75 77 78 224-974 111-585 111-598 79 103-347 80 81 82 83 111-566 162-453 11 0-209 110-318 84 85 86 187-644 103-927 107-439 87 102-920 187-639 187-430 1-573 11 ~ 10-24 X 35' 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 QtY 4 4 4 1 1 1 1 1 2 1 1 1 2 1 1 2 ~ V I B ~ A ~ I OPAD, N motor SCREW, hex washer head, 'A-20 x %" MOTORMOUNTINGSCREW VIBRATIONPAD, compressor AIR PRESSURE GAUGE, l/g npt, 0-160 psi(0-11 bar) SAFETY RELIEF VALVE, %-18 npt, 100 psi(6.9 bar) relief pressure ELBOW, 900 compression NIPPLE, 'A npsrn'x % npt AIR REGULATOR NUT AIR REGULATOR See manual 308-1 67 for parts HOSE, air intake HOSE CLAMP, 1%" max. SCREW, hex washer head, 1.n-23 "..Y 3~ LOCKNUT, 10-32 CAUTION LABEL AIR TUBE, 17" /432 mm SLEEVE COMPRESSION NUT COPPER TUBE COMPRESSION UNION AIR TUBE, u-ShaDed NIPPLE, 'A npt CROSS PIPE, 1/4 npt TIE HOLDER WIRE CLIP SCREW, pnh, 10-24 X 'A" AIR TUBE, 14" (356 mm) FILTER DUCT CART ELECTRICAL CONDUCTOR PIPE PLUG, headless, MOUNTING BRACKET SCREW, pnh, 6-32 x 5/r SCREW, flh, 6-32 X 3 / r ~ ~ .- 39 3 2 2 2 1 1 3 I 1 1 1 1 9 1 2 44 88 1 2 89 . 1 3 90 1 4 111-572 91 1 2 92 167-637. 1 2 93 111-565 1 1 187-431 94 1 1 95 1-562 11 1 1 11 96 1-567 1 1 111-594 97 1 1 98 111-595 1 1 111-596 99 2 1 100 187-432 1 1 101 187-446 1 1 102 224-721 1 1 103 224-779 1 1 108 100-139 1 1 109 187-439 1 1 110 100-705 2 1 111 103-837 1 2 1 0 Replacement Dangec Caution and lnsrruction 2 labels are available at no charge. Use only GENUINE GRPCO PARTS AND ACCESSORIES. ~~ 308-161 29 See page 33 &36 \ 24 \ s e e page 27 See page 31 0847 31 I. 'I t " Label 0848 I TECHNICAL DATA Maximum Air and Fluid Working Pressure . . . . . 100 psi (6.9 bar) Air Pressure Operating Range . . . . . . . . . 25-100 psi (1.75-7 bar) Compressor Specifications . . . . . . . . AC brushless open motor, thermally protected, oilless 110/220 Volt, 15/75 Amp Compressor Air Consumption . . . . . . . . 11.9 displacement SCFM 8.5 scfm at 40 psi (0.238 m3/min at 2.8 bar) 6.8 scfm at 90 psi (0.19 m3/min at 6.3 bar) Maximum Delivery with Texture Material . . . . . . . . . . . . . . . . . 1-1.5 gpm (3.8-5.7 Ipm) Hopper Capacity .................... 16 gallons (60.8 liters) Dimensions Length . . . . . . . . . . . . . . . . .40.5 in. (114 mm) with handle 28 in. (711 mm) without handle 22.25 in. (565 mm) Width ........................... Height ............................ 27 in. (686 mm) Weight System w/o hoses or gun . . . . . . . . . . . . . . . 120 Ib (54 kg) System with hoses and gun ............. 150 Ib (67 kg) Gun ............................... 35oz(1000gr) Wetted Parts .................... Acetal, Glass-Filled Acetal, Buna-N, Aluminum, Brass ACCESSORIES Must be purchased separately. 224-980 224-982 Fluid Hose, 1 in. ID x 50 ft. (13 ID mm x 15 m) 187-633 1 in. Gun Adapter For1with use in. fluid hose AirAnd Fluid Hose Set Includes 1 in. ID fluid hose 224-980 and 3/8 in. ID air hose 224-978 Use only GENUINE GRACO PARTS AND ACCESSORIES. 308-161 35 CONTENTS ................................. Preparation ................................ Operation ................................. Spray Techniques .......................... Shutdown & Cleanup ....................... Pump Maintenance ........................ Warnings 2 5 6 8 10 11 Troubleshooting Guide ...................... Repair ................................... Parts .................................... Technical Data ............................ Warranty ................................. Phone Numbers ........................... 12 14 25 35 36 36 THE GRACO WARRANTY AND DISCLAIMERS WARRANTY Graco warrantsall equipment manufactured byit and bearing itsname to be free from defectsin material and workmanship on the dateof sale by an authorized Graco distributor to the original purchaser for use. As purchaser's sole remedy for breach of this warranty, Gracowill, for a period of twelve months from the date of sale, repair orreplace any partof the equip and maintained in accordance ment proven defective. This warranty applies only when the equipment is installed, operated with Graco's written recommendations. This warranty does not cover, and Graco shall notbe liable for, any malfunction,damage or wear causedby faultyinstaiiation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility or materials not supplied by Graco, or the improperdesign, with Graco equipment of StNCturBS, accessories, equipment manufacture, installation, operation or maintenance of structures, accessories, equipment or materials not supplied by Graco. of the equipment claimed to be defectiveto an authorizedGram disThis Warrantyis conditioned upon the prepaid return Grato will repair or replace free of charge any tributor for verificationof theclaimed defect. If the claimed defect is verified, defective parts. The equipmentwill be returned to the oriclinal Durchasertransmrtation Dreoaid. If insoection of the ~,~ ~--eouin. merit does not disclose any defect in material or workmanship, repairswill be'made at a reasonable charge,which c&rbes may include the costs of parts, labor and transportation. ~ ~ ~ ~ ~ DISCLAIMERS AND LIMITATIONS THE TERMS OF THIS WARRANTY' CONSTITUTE PURCHASER'S SOLEAND EXCLUSIVE REMEDY AND ARE IN LIEU OF ANY OTHER WARF ANTIES (EXPRESS OR IMPLIED), INCLUDING WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTiCULAR PURPOSE, AN0 OF ANY NON-CONTRACTUAL LIABILITIES,iNCLUOlNG PRODUCT LIABILITIES, BASE0 ON NEGLIGENCE OR STRICT LIABILITY. EVERY FORM OF LIABILITY FOR DIRECT. SPECIAL OR CONSEQUENTIAL DAMAGES OR LOSS IS EXPRESSLY EXCLUDED AND DENIED. IN NO CASE SHALL GRACOS LIABILITY'EXCEED THEAMOUNT OF THE PURCHASE PRICE. ANY ACTiON FOR BREACH OF WARRANTY MUST BE BROUGHT WiTHlN TWO (2) YEARS OF THE DATE OF SALE. EOLKPMENT NOT COVERED BY GRACO WARRANTY GRACO MAKES NO WARRANTY. AND DISCLAIMS ALL iMPLlED WARRANTIES OF MERCHANTABiLlTY'AN0 FiTNESS FOR A PARTICULAR PURPOSE, WITH RESPECT TO ACCESSORIES, EQUIPMENT. MATERIALS, OR COMPONENTS SOLD BUT NOT MANUFACTURED BY GRACO. These items sold. but not manufactured by Graco (such as electric rndor, switches, hose, etc.) are subjectto the warranty,if any, of their manufacturer. Gracowill provide purchaser with reasonable assistance in makingany claim for breachof these warranties. GRACO PHONE NUMBERS 70 PLACEAN ORDER, contact your Graco distribu- FOR TECHNICAL ASSISTANCE, servicerepair infor- tor, or Call this number to identify the distributor clos- mation or assistance regarding the application of est to you: Graco equipment: 1-800-328-021 1 Toll Free 1-800-543-0339 Toll Free Factory Branches: Atlanta, Chicago, Dallas, Detroit. Los Angeies, West Caidwell (N.J.) Subsidiary and Affiliate Companies: Canada; England; Korea; Switzerland; France; Germany;Hong Kong; Japan GRACO INC. PO.BOX 1441 MINNEAPOLIS, MN 55440-1441 PRINTED IN U S A . 308-161 10/91 Use Only GENUINE GRACO PARTS AND ACCESSORIES.
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