Graco Inc. 218938 User's Manual
Contents
1. Never turn the diaphragm more than 1 4 turn when torquing it as that will prevent the diaphragm from working properly 7 Align the motor with the pins in the connecting rod housing 22 Guide the motor shaft A through the connecting rod bearing 18b Spin the motor shaft to be sure it moves freely 8 Loosely install the lockwashers 21 and screws 20 to hold the motor Spin the motor shaft again Alter nately tighten the screws Spin the motor shaft again CAUTION Spinning the motor shaft while assembling the pump ensures that parts are properly aligned If they are not and you start the pump serious damage could result to the motor bearing and connecting rod If you feel binding or resistance disassemble the parts checking the spin often until you deter mine and correct the cause of the binding 9 Position the pump housing 9 on the connecting rod housing Lubricate the screws 15 and loosely install them and the lockwashers 16 Torque the screws a few inch pounds N m at a time oppositely and evenly to 85 9 6 10 Reinstall the front cover 23 15 16 LUBRICATE TORQUE TO 85 in Ib 9 6 N m 21 20 GREASE BEARING HEAVILY 0300 MOTOR LEADS Y TR Motor See Fig 16 and 17 1 Remove the front cover 23 2 Remove the base cover 42 Disconnect the motor leads from the positive and negative rectifier termi nals See Fig2. la page 6 de ce manuel DANGERS POUVANT RESULTER DU MAUVAIS USAGE DE LA RALLONGE N essayez pas de modifier la rallonge ni la monture du rouleau n essayez pas non plus d utiliser de pi ces qui ne sont pas con ues pour aller avec ce syst me N utili sez la rallonge qu avec la monture de rouleau fournie avec le syst me L utilisation incorrecte de la rallonge de la monture de rouleau du tuyau ou du robinet du rouleau peut entra ner la rupture de pi ces ou une explosion et causer des bles sures s rieuses DANGERS POUVANT RESULTER DU MAUVAIS USAGES DE L EQUIPMENT Ce syst me est con u pour tre utilis une PRESSION MAXIMUM DE FONCTIONNEMENT de 17 5 bars 250 psi N utilisez que des pi ces ou accessoires qui sont con us pour tre utilis s avec le syst me PT2000 L utilisation incorrecte de cet quipement la modification des pi ces l utilisation de peinture ou de solvant incom patibles l utilisation de pi ces us es ou abim es peuv ent entrainer la rupture de l quipement et causer des blessures graves un incendie une explosion et des d gats mat riels Ne changez et ne modifiez jamais aucune pi ce du syst me et r parez ou remplacez les pi ces us es ou ab m es imm diatement V rifiez r guli rement toutes les pi ces du syst me et r parez ou remplacez les pi ces us es ou abim es imm diatement EVITEZ LES LIGNES ELECTRIQUES Evitez tout contact avec les lignes lectriq
3. 14 Push on the needle until you feel some resistance 15 Grease the cap C and place it on the end of the needle See Fig 9 16 Slide the trigger B into place Install the pin A in the trigger See Fig 6 Fig6_ A Fig 7 0291 LIPS OF PACKING H FACE OUT OF TAPERED END HOUSING D A ll D K H M Fig 8 0292 G SEAT MUST FACE BALL GREASE 1 1 D TORQUE TO J 23 27 in lb 2 6 3 N m CENTER ON SPRING N Fig 9 0293 307 730 11 WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury including injury from moving parts or electric shock always follow this procedure whenever you shut off the sys tem when checking or servicing any part of the sys tem and whenever you stop painting 1 Turn the ON OFF switch to OFF 2 Unplug the power supply cord 3 Trigger the roller valve to relieve pressure If you suspect that pressure is not fully relieved after following the steps above open the priming valve 2 turns counterclockwise WARNING These repair procedures should be performed only by qualified repair person with an electrical back ground using the proper tools Failure to do the pro cedures correctly can result in electric shock or oth er serious injury and damage to the pump NOTE For all electrical repair follow the Pressure Re lief Pro
4. 14 and remove the pressure switch 12 and o ring 12a See Fig 12 4 Grease and install a new o ring 12a in the pump housing 9 See Fig 12 5 Slide the retainer 14 over the pressure switch and screw the retainer into the pump housing Torque the retainer to 55 65 in lb 6 2 7 4 N m See Fig 13 6 Guide the pressure switch leads through the base Connect a lead to the power OUT side of the ON OFF switch 34 and connect the other end to an un marked terminal on the rectifier 39 See Fig 11 7 Reinstall the front cover CAUTION To avoid damaging the pressure switch do not drop it or press on the center of the switch Outlet Valve See Fig 12 1 Remove the outlet hose 64 Unscrew the outlet fit ting 2a and remove the gasket 2b and spring 2c 2 Tip the pump forward to remove the ball 2d 3 Use a 1 4 in square socket wrench extension to screw out the seat 2e 4 Use a pointed tool such as a dentist s pick to re move the seal 2f 5 Thoroughly clean and dry all parts 6 Tip the pump back Install a new seal 2f making sure it lays flat 7 Install the seat 2e and torque it to 80 100 in Ib 13 5 16 N m 8 Drop in the ball 2d making sure it stays there CAUTION Do not let the ball drop into the pressure switch cav ity 12 If that happens and the outlet fitting 2a is screwed into the pump the switch will be perma nently damaged 9 Check the
5. 17 3 Remove the motor screws 20 Lift the motor 30 slightly Holding the connecting rod 18a pull the motor away from the housing 22 4 Inspect the bearing 18b in the connecting rod 18a If it is worn or any rollers are broken replace the bearing and connecting rod assembly 18 as in structed to the left 5 Use your fingers to pack high quality bearing grease thoroughly in between the bearing rollers See the CAUTION following Step 4 to the left 6 Feed the motor leads through the rubber boot 69 Align the motor with the pins in the connecting rod housing 22 Guide the motor shaft A through the connecting rod bearing 18b Spin the motor shaft to be sure it moves freely 7 Loosely install the lockwashers 21 and screws 20 Spin the motor shaft again Alternately tighten the screws Spin the motor shaft again See the CAUTION following Step 8 to the left 8 Connect the red motor lead to the positive termi nal and the black motor lead to the negative termi nal of the rectifier 39 See Fig 17 9 Install the base cover 42 and bumpers 43 and the front cover 23 307 730 15 PARTS DRAWING 44 32 47 45 97 46 PRESS FIT INTO 22 15 LUBRICATE TORQUE TO 85 in Ib 37 38 var 24 0301 16 307 730 PARTS DRAWING DETAIL A DETAIL B TORQUE TO 470 490 in Ib 33 35 N m APPLY SEALANT TO THREADS 10 G APPLYP
6. 3 Wrap the threads of the priming valve with PTFE tape Screw the valve snugly into the pump housing 9 The valve handle should be parallel with the angled edge of the housing to avoid interference with the inlet or outlet valves 4 Slide the nut 10d and ferrule 10c onto the tube 10e Install the tube support 10b in the end of the tube Screw the nut onto the priming valve which will seat the ferrule 5 Screw the stem of the handle E onto the priming valve until it bottoms and then back it out two turns Hand tighten the nut onto the priming valve and then tighten the stem into the valve 14 307 730 15 16 LUBRICATE THREADS TORQUE TO 85 1 9 6 N m WRAP WITH es aoe TAPE TT Fig 15 0786 Suction Tube See Fig 15 1 Unscrew the nut 45 from the fluid inlet valve hous ing 1 Remove the hose clamp 47 Slit the suction tube to free the nipple 46 2 With the nipple 46 inserted through the nut 45 dampen the new hose 44 with warm water and press the hose over the nipple Screw the nut onto the inlet valve housing 1 Press the hose further onto the nipple leaving about a 1 8 in 3 mm gap between the nut and hose end Install the hose clamp 47 and tighten snugly 4 Remove the filter housing 48 and filter 49 from the old suction hose Install these parts on the new hose Dampen the hose with warm water to ease the filter and filter housing onto
7. See Fig 10 and 11 Disconnect the white lead from the rectifier 39 and the black lead from the fuse holder 65 and the green lead from the grounding screw 82 From the inside of the base use a screwdriver to push the strain relief bushing 38 out of the base Remove the bushing and power supply cord Slide the strain relief bushing over the new power supply cord Press the bushing together and then press the bushing into the base Connect the green ground wire to the grounding screw 82 and secure it with a washer 81 and nut 80 Connect the black lead to the fuse holder 65 and the white lead to an unmarked terminal on the rectifier 39 WARNING 67 AR 37 7 b 33 0294 To maintain grounding continuity in your system and to reduce the risk of electric shock check to be sure the ground wires are properly connected The power supply cord s green ground wire connects to the screw 82 and the ground wire 84 connects between the ON OFF switch and the screw 82 Also be sure the screws 25 and 33 are tightly screwed into the base See Fig 10 and 11 84 39 33 PRESSURE SWITCH 2 WHITE LEADS MOTOR LEADS JUMPER WIRE GREEN 82 81 80 GROUND 65 WIRE RED 25 Fig 11 0295 Pressure Switch See Fig 11 12 amp 13 1 Disconnect the pressure switch leads from the ON OFF switch and from the rectifier See Fig 11 2 Remove the front cover 23 See Fig 13 3 Unscrew the retainer
8. Slide the cover and diffuser off the roller frame and press on the end of the diffuser to sepa rate it from the cover 3 To clear an obstruction in the frame or for more thor ough cleaning remove the setscrew Be sure to rein stall the setscrew after cleaning DIFFUSER SEGMENT RETAINER NUT SETSCREW U CUP PACKING FRAME Lips must face diffusers as shown Grease lightly with petroleum jelly Fig 4 0244 Cleaning the Roller Diffuser See Fig 5 1 For water base paint latex vigorously shake the diffuser in a pail of hot soapy water to remove wet paint For oil base paint use unheated mineral spir its Use a soft brass bristle brush to remove dried paint 2 Disassemble the dif fuser if further cleaning is needed a Remove the two screws Pull off the outside end cap Disassemble all parts and clean thoroughly in water or mineral spirits b Install the inside end cap on the frame Lightly grease the u cup packing with petroleum jelly Slide the diffuser segments onto the roller frame Twist and press the last diffuser segment to snap the pieces together c Install the outside end cap and the two screws Holding the inside end cap press on the two screws and rotate the diffuser segments to seat the screws Tighten the screws evenly into the inside end cap Be sure there is no binding and that the diffuser segments move freely INSIDE END CAP DIFFUSER A A A 307 730 9
9. TROUBLESHOOTING GUIDE WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury including injury from moving parts or electric shock always follow this procedure whenever you shut off the sys tem when checking or servicing any part of the sys tem and whenever you stop painting CAUTION Thoroughly flush the system after each use to re duce down time and costly repair bills NOTE If you are not able to determine the cause of the problem or the problem and solution is not dis cussed in this chart return the system to an au 1 Turn the ON OFF switch to OFF thorized service agency for repair 2 Unplug the power supply cord 3 Trigger the roller valve to relieve pressure If you suspect that pressure is not fully relieved after following the steps above open the priming valve 2 turns counterclockwise PROBLEM CAUSE SOLUTION Pump will not prime or takes long time to prime Clogged suction tube filter Clean Paint too thick Thin try pouring paint into suction tube Outlet valve spring worn or damaged Pour paint into suction tube and try to prime system If it doesn t prime in one minute replace the outlet spring See Outlet Valve page 13 Inlet valve stuck or damaged Depress valve gently and pour in about 1 teaspoon mineral spirits Try to prime pump Replace valve if necessary See Inlet Valve page 13 DEPRESS LIGHTLY POUR IN 1 TEASPOON MINERAL SPIRITS Fuse bu
10. ball stop pin in the outlet fitting 2a for wear or damage Replace the fitting if necessary Place a new gasket 2b around the fitting The last coil on one end of the spring 2c is turned in Place this end on the ball stop pin Screw the fitting into the pump housing torquing to 280 300 in Ilb 32 34 N m Inlet Valve See Fig 13 1 Unscrew the nut 45 on the suction hose 44 Screw the inlet valve housing 1 out of the pump housing 9 Remove the inlet valve 3 2 Grease the inlet valve 3 to hold it in place Install it in the valve housing 9 Screw the inlet valve hous ing 1 into the pump housing Have someone firmly hold the pump housing 9 and then torque the inlet valve to 470 490 in lb 53 55 TORQUE TO 80 100 in Ib 13 5 16 TORQUE 55 65 in Ib 6 2 7 4 44 45 TORQUE 470 490 in Ib 53 55 Fig 13 0787 307 730 13 Diaphragm See Fig 14 CAUTION Replace the diaphragm whenever you remove the pump housing 9 or after each 100 hours of use whichever comes first During use small grooves are formed in the diaphragm which cannot be re aligned properly Reusing a diaphragm may cause leaking resulting in costly pump damage 1 Remove the screws 15 Tip the pump housing 9 back being careful not to damage the wires Re move the front cover 23 2 Check the diaphragm guide 11 in the bottom of the pump housing 9 and replac
11. the equipment does not disclose any defect in material or workmanship repairs will be made at a reasonable charge which charges may include the costs of parts labor and transportation DISCLAIMERS AND LIMITATIONS THE TERMS OF THIS WARRANTY CONSTITUTE PURCHASER S SOLE AND EXCLUSIVE REMEDY AND ARE IN LIEU OF ANY OTHER WAR RANTIES EXPRESS OR IMPLIED INCLUDING WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PUR POSE AND OF ANY NON CONTRACTUAL LIABILITIES INCLUDING PRODUCT LIABILITIES BASED 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 GRACO S LIABILITY EXCEED THE AMOUNT OF THE PURCHASE PRICE ANY ACTION FOR BREACH OF WARRANTY MUST BE BROUGHT WITHIN TWO 2 YEARS OF THE DATE OF SALE EQUIPMENT NOT COVERED BY GRACO WARRANTY GRACO MAKES NO WARRANTY AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND 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 motor switches hose etc are subject to the warranty if any of their manufacturer Graco will provide purchaser with reasonable assistance in making any claim for breach of these warranties Factory Branches Atlanta Chicago Dallas Detroit Los Angeles West Caldwell N J Subsidiary and Affiliate Com
12. the hose Connecting Rod and Bearing See Fig 16 1 Remove the front cover 23 Remove the screws 15 Carefully tip back the pump housing Unscrew the diaphragm 17 and discard it CAUTION Replace the diaphragm whenever you remove the pump housing 9 or after each 100 hours of use whichever comes first During use small grooves are formed in the diaphragm which cannot be re aligned properly Reusing a diaphragm may cause leaking resulting in costly pump damage 2 Remove the motor screws 20 Lift the motor 30 slightly Holding the connecting rod 18a pull the motor away from the housing 22 3 Inspect the bearing 18b in the connecting rod 18a If it is worn or any rollers are broken replace the con necting rod assembly 18 Inspect the motor eccen tric and replace the motor if the eccentric is worn 4 Use your fingers to pack high quality bearing grease thoroughly in between the bearing rollers CAUTION Thoroughly grease the bearing to extend the life of the bearing and the motor eccentric 5 Usea soft brass or nylon bristle brush to clean the top of the connecting rod and housing Taking care not to damage the diaphragm grooves gently clean the bottom of the pump housing 9 6 Install the connecting rod assembly 18 in its hous ing 22 Screw a new diaphragm 17 into the rod just until it bottoms Turn the diaphragm another 1 8 to 1 4 turn about 4 6 in Ib 0 4 0 7 N m CAUTION
13. 0 has been added MANUAL CHANGE SUMMARY Maximum Operating Pres eure esta 250 psi 17 5 bar Listed below by the assembly changed are OLD NEW ADDED Power Requirements 120 V AC 60 Hz and DELETED parts 1 Phase 1 0 Amp Pump Output 1 gallon 3 8 liter in 5 minutes Assembly Part Power Supply Cord No 16 AWG 3 wire 6 1 7 long 2 Old 2 218 978 Outlet Fitt Wetted Parts Aluminum Brass Viton Delrin Polyurethane Neoprene Old 108 225 Capscrew Tungsten Carbide Stainless Steel Nylon Plated New 101 864 Capscrew Steel Buna N Polyester Polyvinyl Chloride DE Weight 13 5 Ib 6 1 Kg Old 218 775 Extension New 224 414 Extension New 166 969 Gasket 102 513 108 461 Viton andPTFE 2 are registered trademarks of the DuPont Company GRACO PHONE NUMBERS TO PLACE AN ORDER contact your Graco distribu RS 103584 T Screw 4 a ew 103 854 Screw tor or call this number to identify the distributor clos est to you 1 800 328 0211 Toll Free Add 88 220 231 Flush Kit FOR TECHNICAL ASSISTANCE service repair in Add 89 107 591 Roller Cover formation or assistance regarding the application of Old 59 167 703 Nipple Graco equipment New 93 187 113 Nipple 1 800 543 0339 Toll Free Old 61 108 227 THE GRACO WARRANTY AND DISCLAIMERS WARRANTY Graco warrants all equipm
14. 307 730 Rev G Supersedes E and F not published INSTRUCTIONS PARTS LIST f This manual contains IMPORTANT INSTRUCTIONS and WARNINGS READ AND RETAIN FOR REFERENCE 1 4 Gallon Per Minute 120 V AC 60 Hz APPLICATION EQUIPMENT FROM GRACO PT2000 Pressure Roller System 250 psi 17 5 bar MAXIMUM WORKING PRESSURE Model 218 938 Series with 18 inch Extension and 1 2 and 3 4 inch nap Roller Covers Model 223 660 Series A Basic Pressure Roller without hose gun extension or roller U S Patent No 4 722 230 4 652 024 Foreign Patents Pending CONTENTS TOME 2 5 8 ornements dant 2 System Description 5 SOUP iusto 6 Starup e dad 7 Operation 7 Maintenance ElUSAINQ rs von Rare asie 8 Roller Cover 9 Troubleshooting Chart 10 Repair Roller Valve 11 gt 22 cacao Phebe dae cule 12 ON OFF Switch 12 Rectifier 12 Power Supply Cord 12 Pressure Switch 13 Outlet Valve 13 Inlet Valve 13 Diaphragm 14 Suction Tube 14 Priming Valve amp Tube 14 Motor Conn Rod Bearing 15 Parts Drawing amp Lists 16 Accessories 19
15. RENCHES TO TIGHTEN ROLLER VALVE TRIGGER 18 INCH EXTENSION 9 INCH ROLLER FRAME Fig 1 1 6 Remove all parts from the boxes and assemble them as shown in Fig 1 following the notes on the drawing Prepare the paint according to the manufacturer s recommendations Remove any skin that may have formed on the top of the paint If necessary thin the paint WARNING Never remove the third grounding pin of the power supply cord Be sure the outlet is properly grounded In the event of an electrical short circuit grounding reduces the risk of an electric shock by providing an escape wire for the electric current Inspect the power supply cord and extension cord before each use Be sure they are in good condition and have undamaged three pin plugs Replace im mediately if either cord shows signs of wear or damage Plug the power supply cord into a properly grounded 120 V electrical outlet See Fig 2 Do not use an adapter All extension cords must have three wires Use the chart below for selecting the appropriate wire gauge for the extension cord 307 730 PRIMING VALVE PAINT FILTER SE TWO WRENCHES Fig 2 TE BE SURE GASKETS ARE 22 25 7 6 5 A INSTALLED AT THESE JOINTS USE TWO WRENCHES TO TIGHTEN Cord Length meters 1 30 30 61 feet 1 100 100 200 200 300 61 92 over 300 over 92 GROUNDED OUTLET N G
16. ROUNDING PIN ROLLER COVER HAND TIGHTEN ONLY TO AVOID CRACKING ROLLER COVER 0285 Extension Wire Gauge 18 16 14 12 a 0286 STARTUP 5 WARNING Pressure Relief Procedure To reduce the risk of serious bodily injury including injury from moving parts or electric shock always follow this procedure whenever you shut off the sys tem when checking or servicing any part of the sys tem and whenever you stop painting 1 Turn the ON OFF switch to OFF 2 Unplug the power supply cord 3 Trigger the roller valve to relieve pressure If you suspect that pressure is not fully relieved after following the steps above open the priming valve 2 turns counterclockwise Place the suction hose in the pail of paint Plug in the sprayer Open the priming valve 2 turns counterclockwise Turn the ON OFF switch ON You can see the paint being drawn into the suction hose if the hose is clean As soon as you see paint flow through the priming tube close the priming valve This usually takes less than 30 seconds CAUTION Failure to completely close the priming valve after the system is primed will cause the valve to erode greatly shortening the valve life NOTE If your system is hard to prime first try to force feed the suction tube Hold the suction tube in a vertical position and pour paint into it Turn on the system If the system does not prime within one minute shut it of f Heavy viscosity pain
17. TFE THREADS ee 2 Gh 3 55b wo SN LIPS OF U CUP PACKING 32 34 N M MUST FACE DIFFUSER GREASE LIGHTLY WITH OU IGE PETROLEUM JELLY 13 5 16 ee 55 65 in Ib 6 2 7 4 N m 93 APPLY SEALANT TO THIS END SEE REPAIR PARTS ON PAGE 19 55 SEE DETAIL B 62 or 89 APPLYPTFE TAPE 307 730 17 PARTS LIST Model 218 938 Series Includes items 1 96 Model 223 660 Series A Basic Unit Includes items 1 54 65 84 96 Ref No Part No Description Qty 1 220 930 HOUSING valve inlet 1 2 218 977 OUTLET VALVE KIT Includes items 2a 2f 1 2a 222 349 FITTING outlet 1 2b 180 454 GASKET 1 2c 107 521 SPRING 1 2d 101 956 BALL 1 2e 218 968 HOUSING seat valve 1 2f 180 455 SEAL washer 1 3 218 976 INLET VALVE KIT 1 9 181 146 HOUSING pump 1 10 218 973 PRIMING VALVE KIT 1 11 181 152 GUIDE diaphragm 1 12 218 974 SWITCH pressure Includes item 12a 1 12a 108 195 O RING 1 14 181 209 RETAINER 1 15 101 864 CAPSCREW socket head 5 16 18 x 1 long 4 16 104 008 LOCKWASHER spring 5 16 4 17 275 619 DIAPHRAGM 1 18 218 981 CONNECTING ROD amp BEARING 1 20 108 237 CAPSCREW socket head No 8 32 x 0 625 4 21 100 079 LOCKWASHER spring No 8 4 22 181 147 HOUSING conn rod Always order two of Ref No 27 when replacing housing 1 23 181 166 COVER front 1 24 108 236 SCREW mach f
18. Technical Data 20 Y Model 218 938 shown 0285 o Always Professional Results GRACO INC BOX 1441 MINNEAPOLIS MN 55440 1441 GRACO OCOPYRIGHT 1985 GRACO INC CAUTION To avoid premature wear of the pressure switch never use more than 25 ft 7 6 m of 1 4 ID outlet hose When longer outlet hose is needed use 3 8 ID hose at a maximum of 100 ft 30 m long Never use 1 4 ID and 3 8 ID hose together Do not use lacquer or lacquer thinner in the suction and outlet hoses supplied with this system These fluids quickly destroy the hose material Use the optional chemical resistant hoses See ACCESSORIES section of the manual for ordering optional hoses TERMS Be sure you read and understand each of these terms be fore reading the rest of the manual WARNING Alerts user to avoid or correct conditions which could cause bodily injury CAUTION Alerts user to avoid or correct conditions which could damage or destroy the equipment NOTE Gives additional explanation of a procedure or helpful hints WARNING Be sure all operators of this equipment read understand and follow the warnings and instructions in this manual GENERAL SAFETY Use extreme care not to splash paint contaminated flushing water or solvent into your eyes Wear protective eyewear Be sure the area in which you are working is well venti lated to avoid a buildup of harmful paint fumes To red
19. above the water and run the pump for a few seconds to drain the flushing solution Shut off the pump Wash off all external parts of the hoses extension roller frame roller valve and pump Flush again with clean clear water Change the wa ter as necessary until the system is thoroughly cleaned Finally flush the system with clean mineral spirits for just a few seconds Open the priming valve and turn off the pump Some mineral spirits must be left in the system to prevent corrosion CAUTION Never leave water or water based paint latex in the system To prevent corrosion in the pump exten sion roller valve and roller frame your final flush must be with mineral spirits 9 Thoroughly rinse the roller cover inside and out Clean the diffuser as explained on page 9 10 Oil the needle in the roller valve and trigger the valve a few times to distribute the oil See Detail A Fig 3 OIL REGULARLY 8 307 730 Flushing Procedure Oil based Paint Only NOTE Follow the instructions on page 8 except use mineral spirits DO NOT heat the mineral spirits Installing and Removing a Roller Cover See Fig 4 1 To install a cover hold the diffuser and unscrew the retainer nut Pull the diffuser off the frame Slide the cover over the dif fuser Install the dif fuser on the frame and reinstall the nut Be careful not to over tighten the nut 2 Toremove a cover hold the cover and unscrew the retainer nut
20. cedure Warning above Then remove the base cover 42 Before checking or operat ing the system reinstall the base cover making sure all wires are tucked in neatly Fuse See Fig 10 1 Pull the old fuse out of the fuse holder 65 Install a new fuse 67 Be sure you install ONLY a 3AG fuse rated at 1 1 4 amps Rectifier See Fig 11 1 Disconnect the four leads from the rectifier 2 Remove the screw 33 and rectifier 39 3 Install a new rectifier so the positive terminal is closest to the fuse holder 65 Install the screw 33 4 Connect the power supply cord s white lead to an un marked terminal Connect the pressure switch lead to the other unmarked terminal Connect the black motor lead to the negative terminal and the red motor lead to the positive terminal 36 Fig 10 12 307 730 ON OFF Switch See Fig 10 and 11 1 Disconnect the two leads from the ON OFF switch 34 terminals See Fig 11 2 Remove the boot 36 and pull the switch 34 out of the base Remove the ground wire 84 See Fig 10 3 Remove the top nut A from the new switch Place the ground wire connector 84 on the switch and re install the nut Install the new switch aligning the tab in the base with the slot in the switch See Fig 10 In stall the boot 4 Connect a pressure switch lead to the power OUT Power Supply Cord 1 terminal and a jumper wire lead to the power IN terminal See Fig 11
21. e 3 8 ID cpld 3 8 npsm fbe 50 15 m NIPPLE 108 228 Needed to couple two lengths of hose 220 009 3 8 npsm mbe SPRAY WAND 220 236 4050 psi 279 psi MAXIMUM WORKING PRESSURE Creates soft spray when used with PT2000 FIXED EXTENSION TUBES Included with sprayer 224 413 12 in 0 31 long 224 414 18 in 0 45 long 224 415 36 in 0 91 m long 224 416 72 in 1 83 m long ROLLER FRAMES DIFFUSERS AND ROLLER COVERS Included with sprayer 108 402 220 234 218 935 107 590 107 591 107 592 186 944 Roller Frames amp 1 2 12 mm Nap Diffusers For semi rough to smooth surfaces 224 268 186 945 ADJUSTABLE EXTENSION TUBES Must also order 167 703 nipple to replace the 187 113 Ref no 59 at the outlet of the roller valve 218 77518 36 in 0 45 0 91 long 218 7763 6 ft 0 91 1 8 long 218 7776 12 ft 1 8 3 7 long 218 7788 16 ft 2 4 4 9 long TWO ACCESSORY ADAPTER 220 232 1000 psi 70 bar MAXIMUM WORKING PRESSURE Adapts pump outlet to use two accessory applicators simultaneously ROLLER VALVE REPAIR KIT Includes items A through H Individual parts not sold separately See page 11 for instructions 218 960 0304 Roller Covers 3 4 19 mm Nap For semi rough surfaces 1 1 4 32 mm For rough surfaces 186 946 307 730 19 TECHNICAL DATA The CSA Listed Model 220 345 has been obsoleted A Basic System Model 223 66
22. e it if is worn or dam aged Clean the pump housing thoroughly Press the new guide flat side first into the housing using only your fingers Be sure it is installed evenly 3 Screw the diaphragm 17 out of the connecting rod assembly 18 4 Use a soft brass or nylon bristle brush to clean the top of the connecting rod and housing Taking care not to damage the diaphragm grooves gently clean the bottom of the pump housing 9 5 Check the rod motor bearing and eccentric If there is any paint or damage clean or replace the connect ing rod assembly as explained on page 15 6 Screw the new diaphragm 17 into the connecting rod just until it bottoms out Then turn it 1 8 1 4 turn about 4 6 in Ib 0 4 0 7 N m CAUTION Never turn the diaphragm more than 1 4 turn when torquing it as that will prevent the diaphragm from working properly 7 Apply thread lubricant to the screws 15 and install them with the lockwashers 16 in the pump housing Torque the screws a few inch pounds N m at a time oppositely and evenly to 85 in lb 9 6 8 Spin the motor shaft D to be sure it turns freely 9 Reinstall the front cover 23 Priming Valve amp Tube See Fig 15 NOTE Each new priming valve kit includes a priming tube and fittings 1 Unscrew the nut on the handle E of the priming valve 10a Unscrew the stem of the handle 2 Screw the priming valve 10a out of the pump hous ing 9
23. e needle out with needle nose pliers See Fig 6 4 Tap the seat out of the valve N See Fig 6 5 Remove the ball F and spring E from the valve handle See Fig 6 6 Turn the nylon screw L into the packing H Insert the needle K through the bottom of the housing D and push the packing out the top of the fluid housing See Fig 7 7 Clean all parts thoroughly Use a cotton tipped swab or pipe cleaner to clean small orifices 8 Grease the needle K and packing H Insert the ta pered end of the needle into the back flat side of the packing See Fig 8 9 Guide the tapered end of the needle into the assem bly tool M and press the lips of the packing over the end of the tool See Fig 8 10 Guide the tool M into the fluid housing D until the needle protrudes through the bottom of the housing Lightly tap the end of the tool until you hear the packing bottom in the housing Remove the tool with pliers See Fig 8 11 Grease the seat G and place it on the fluid housing so the seat which is formed on the inside diameter faces out See Fig 9 12 Install the spring E in the spring cavity of the valve handle N then install the ball F so it is centered on the spring See Fig 9 13 Place the o ring J around the fluid housing Pushing lightly with your fingers start the threads of the hous ing into the valve handle orque the housing to 23 27 2 6 3 N m See Fig 9
24. ent manufactured by it and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use As purchaser s sole remedy for breach of this warranty Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment proven defective This war ranty applies only when the equipment is installed operated and maintained in accordance with Graco s written recommendations This warranty does not cover and Graco shall not be liable for any malfunction damage or wear caused by faulty installation misap plication 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 with Graco equipment of structures accessories equipment or materials not supplied by Graco or the improper design manufacture installation operation or maintenance of structures accessories equipment or materials not supplied by Graco This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of the claim If the claimed defect is verified Graco will repair or replace free of charge any defective parts The equipment will be returned to the original purchaser transportation prepaid If inspection of
25. ilh 8 32 x 0 312 4 25 102 313 CAPSCREW hex head 1 4 20 x 1 75 26 100 028 LOCKWASHER internal 1 4 3 27 108 213 PIN dowel 2 28 108 230 SCREW mach hex washer head Self tapping 1 4 14 x 1 2 29 181 215 LABEL identification 1 30 185 489 MOTOR electric 1 31 181 180 BASE pump 1 32 181 182 HANDLE 1 33 108 224 SCREW thd forming pnh No 8 x 0 875 6 34 105 679 SWITCH toggle 1 35 181 213 LABEL identification 1 36 105 659 TOGGLE boot 1 37 108 192 CORD power supply 1 38 102 519 BUSHING strain relief 1 18 307 730 Ref No Part No 39 108 219 41 183 301 42 181 156 43 108 220 44 181 231 45 181 159 46 181 160 47 108 231 48 181 163 49 181 164 52 178 342 54 181 214 55 218 935 55a 218 934 55b 108 808 55c 183 420 55d 218 582 55e 101 983 60 218 954 62 107 590 63 224 414 63a 166 969 64 108 356 65 108 199 67 108 461 68 108 223 69 181 218 80 100 072 81 103 181 82 103 854 84 220 890 88 220 231 89 107 591 93 187 113 94 187 082 96 181 787 Recommended spare parts to keep on hand See IMPORTANT PHONE NUMBERS on page 20 Description RECTIFIER bridge TERMINAL ground COVER base BUMPER 4 HOSE suction NUT coupling NIPPLE hose CLAMP hose HOUSING filter FILTER 1 SPRING CLIP LABEL identification FRAME roller Includes items 55a 55e DIFFUSER roller PACKING retainer FRAME roller SETSCREW 1 VALVE roller COVER roller 9
26. ing startup Turning the priming valve counterclockwise causes the paint to drain directly back into the pail through the priming tube T urning the knob clockwise causes the paint to flow through the fluid outlet valve and to the hose roller valve and extension Outlet Valve The outlet valve has a ball check which prevents paint from flowing backwards into the pump This helps keep an even supply of paint to the roller each time you trigger the roller valve PRIMING VALVE PAINT FILTER ROLLER COVER 0285 Inlet Valve As the diaphragm draws paint from the suction tube the paint passes through the inlet valve which opens to allow paint into the pump Outlet Hose The hose has swivel type couplings for easy assembly A larger diameter outlet hose and chemical resistant out let and suction hoses are available See ACCESSORIES on page 19 Roller Valve The roller valve controls paint flow to the roller by trigger ing it on and off Pressure Roller The pressure roller has an 18 inch extension Two roller covers one 1 2 inch nap for smooth surfaces and one 3 4 for semi rough surfaces are provided Different lengths and adjustable extensions and different types of roller covers are available See ACCESSORIES on page 19 307 730 5 PRIMING TUBE SUCTION HOSE INLET VALVE MOTOR POWER SUPPLY CORD ON OFF SWITCH SPRING GUARD MUST BE AT ROLLER VALVE INLET USE TWO W
27. lg2 Usar componentes o accesorios dise ados para usarse con el sistema PT2000 El uso indebido de este equipo tal como modificaci n de las piezas uso de pintura o solvente incompatible o de piezas da adas o desgastadas podr a causer la rotura del equipo y terminar en graves lesiones personales incendio explosi n y da os a la propiedad Nunca alterar o modificar ninguna pieza del equipo el hacerlo podr a causar sobrepresi n o malfunciona miento Revisar con regularidad todas las piezas del sistema y reparar o sustituir de inmediato las que est n da adas o desgastadas PROCURAR NO TOCAR LOS CABLES ELECTRICOS Procurar no tocar ning n cable elecrico De llegar a suceder esto se podr an sufrir lesiones corporales suma mente graves incluso quemaduras o electrocuci n PT2000 PRESSURE ROLLER SYSTEM DESCRIPTION PRIMING TUBE SUCTION HOSE INLET VALVE MOTOR POWER SUPPLY CORD ON OFF SWITCH 25 FT 7 6 M HOSE ROLLER VALVE 18 INCH EXTENSION 9 INCH ROLLER FRAME Motor The motor drives the connecting rod which moves the diaphragm Pressure Switch The pressure switch at the pump outlet turns the motor on and off to control paint pressure Diaphragm The diaphragm is the heart of the pump Driven by the connecting rod and motor the movement of the dia phragm draws paint through the suction hose and to the outlet valve Priming Valve The priming valve assists in priming the pump dur
28. long 1 2 nap EXTENSION 18 long Includes item 63a GASKET HOSE fluid nitrile rubber cpld 3 8 npsm m 25 7 6 m long HOLDER fuse FUSE electrical 3AWG 1 1 4 amp SCREW thd forming pnh No 6 x 0 5 BOOT rubber NUT hex No 6 32 LOCKWASHER No 6 SCREW mach bdgh No 6 32 x 0 25 WIRE ground GARDEN HOSE FLUSH ADAPTER COVER roller 9 long 3 4 nap NIPPLE 1 FITTING adapter LABEL identification Qty AAA Ny __ N ana Aaa ACCESSORIES Must be purchased separately CAUTION To avoid premature wear of the pressure switch never use more than 25 ft 7 6 m of 1 4 ID outlet hose When longer outlet hose is needed use 3 8 ID hose at a maximum of 100 ft 30 m long Never use 1 4 ID and 3 8 ID hose together Do not use lacquer or lacquer thinner in the suction and outlet hoses supplied with this system These fluids quickly destroy the hose material Use the optional chemical resistant hoses CHEMICAL RESISTANT SUCTION amp OUTLET HOSES For use with lacquer and lacquer thinners 205 142 Outlet Hose Nylon 3 8 ID cpld 3 8 npsm fbe 25 7 6 300 psi 21 bar MAXIMUM WORKING PRESSURE 219 095 Suction Hose Nylon LARGER DIAMETER OUTLET HOSE 250 psi 17 5 bar MAXIMUM WORKING PRESSURE Use this hose when using more than 25 ft 7 6 m of outlet hose Not intended for use with lacquer or lacquer thinners 220 009 Outlet Hos
29. panies Canada England Korea Switzerland France Germany Hong Kong Japan GRACO INC BOX 1441 MINNEAPOLIS 55440 1441 PRINTED IN U S A 307 730 3 85 Revised 9 91 20 307 730
30. rned out Replace See page 12 If it burns out again soon re turn the system to an authorized repair agency for re pair Low or no paint flow Clogged roller cover diffuser roller frame Clean thoroughly after each use See Flushing on roller valve or hose page 8 Using more than 25 ft 7 6 m of 1 4 ID hose Use up to 100 ft 30 m of 3 8 ID hose See CAU TION on page 2 Loose inlet hose nut Tighten Worn or damaged priming valve Replace See page 14 Priming valve is open Close Paint too thick Follow manufacturer s recommendations Damaged pressure switch Replace Seepage 13 Worn inlet and or outlet valve Replace See page 13 Pump runs after roller valve trigger is released Worn or damaged pressure switch Replace See page 13 Worn or damaged inlet valve Replace See page 13 Worn or damaged outlet valve Replace See page 13 Worn or damaged priming valve Replace See page 14 Worn roller valve packings or needle Repair See page 11 Roller Valve WARNING Always follow the Pressure Relief Procedure Warning on page 10 before attempting any repair NOTE Order Repair Kit P N 218 960 to repair this roller valve 1 out the pin A from the trigger and slide the trigger off of the valve N See Fig 6 2 Remove the cap C Use a 1 2 in socket wrench to screw the fluid housing D out of the valve Remove the o ring J See Fig 6 3 Pull th
31. t may need to be thinned Be sure to follow the paint manufacturer s recommendations on thinning Trigger the roller valve to prime the outlet hose and extension Once primed the motor will run when there is paint demand but appears to shut itself of f when there is no paint demand NOTE An occasional start and stop of the motor when the roller valve is not triggered is normal OPERATION WARNING 1 With the system fully primed trigger the roller valve 99 To reduce the risk of electric shock do not expose briefly until paint comes to the roller the system to rain Always store the system indoors 2 Experiment with triggering and rolling the paint until Do not operate the pump with the base cover you determine just how often you need to trigger the removed roller valve to keep an even flow of paint to the roller 3 Whenever you stop painting turn the ON OFF CAUTION switch to OFF and trigger the roller valve Then ele Always allow cold equipment to warm to room tem vate the roller end of the extension to prevent paint perature before using it to prevent damaging the from draining out the roller end system 4 Thoroughly flush the system immediately after each use to keep it in good working order See page 8 307 730 7 MAINTENANCE 4 CAUTION Thorough flushing and proper maintenance are essential to keep your system working properly Improper flushing or maintenance may prevent the system from working the nex
32. t time you need it and may result in costly damage to the system Always flush your system thoroughly and immediate ly after each use Always drain all water out of the roller valve and ex tension and leave the system filled with mineral spir its to prevent corrosion NOTE A Garden Hose Flush Adapter P N 220 231 is included This adapter is placed at the pump inlet and uses a standard city water supply to aid in flushing Instructions on how to use it are in cluded with the adapter Flushing Procedure Latex Paint Only 1 the ON OFF switch to OFF 2 Trigger the roller valve and roll out the excess paint from the roller onto a wall or newspaper Remove the roller cover and dif fuser and soak these parts in a pail of warm soapy water 3 Put the suction tube in a pail of warm soapy water Hold the roller frame over the paint pail turn on the system and trigger the roller valve to drain and save the paint in the hoses See Fig 3 Release the trigger and shut of f the pump as soon as all the paint is drained This avoids contaminating the paint with the flushing water Fig 3 Now hold the roller frame over the flushing pail Turn on the pump and trigger the roller valve Circulate the solution for three to five minutes five to ten minutes if using a cold solution Open the priming valve for a few seconds to clean the priming tube Close the priming valve Raise the suction hose
33. uce the risk of electric shock do not expose the system to rain Always store the system indoors Do not operate the pump with the base cover removed ELECTRICAL GROUNDING Electrical grounding is essential to reduce the risk of an electric shock or other serious bodily injury from static sparking Read and follow the grounding instructions on page 6 of this manual EXTENSION MISUSE HAZARD Do not attempt to modify the extension or roller frame or to use parts which are not designed for use with this sys tem Use the extension only with the roller frame provided with this system Improper use of the extension roller frame hose or roller valve can result in component rupture or explosion and cause serious bodily injury 2 307 730 EQUIPMENT MISUSE HAZARD This system is designed to be used at 250 psi 17 5 bar MAXIMUM WORKING PRESSURE Use only compo nents or accessories which are designed for use with the PT2000 System Any misuse of this equipment such as modifying parts using incompatible paint or solvent or using worn or damaged parts can cause the equipment to rupture and result in serious bodily injury fire explosion and property damage Never alter or modify any part of this equipment doing so could cause it to overpressurize or malfunction Check all parts of the system regularly and repair or re place any worn or damaged parts immediately AVOID POWER LINES Avoid contacting any power lines with the e
34. ues Ceci pour rait causer des blessures tr s graves y compris des br lures ou l lectrocution 307 730 3 ADVERTENCIA Asegurarse de que todos los operadores de este equipo lean entiendan y repeten las precauciones e instrucciones indicadas en este manual SEGURIDAD EN GENERAL Tener extremo cuidado de no salpicarse los ojos con pintura agua de enjuague contaminada solvente Usar gafas protectoras Asegurarse de que el lugar de trabajo tenga buena ventilici n para evitar la acumulaci n de vapores de pintura nocivos Para reducir el riesgo de sufrir un choque el ctrico no dejar este sistema expuesto a la lluvia Siempre guardarlo bajo techo PUESTA A TIERRA La puesta a tierra es esencial para reducir el riesgo de sufrir un choque el ctrico u otras lesiones corporales graves debido a chispas est ticas Leer y seguir las instrucciones dadas en la p gina 6 de este manual PELIGRO POR MAL USO DE LA EXTENSION No intentar modificar las extensi n o el portarradillo o usar piezas que no hayan sido dise adas para usarse en este sistema Usar la extensi n solamente con el portarrodillo provisto con este sistema El uso indebido de la extensi n portarrodillo manguera o gatillo del rodillo podr a romper o hacer explotar el componente y causar graves lesiones corporales 4 307 730 PELIGRO POR MAL USO DEL EQUIPO Este sistema est dise ado para una PRESION DE TRABAJO MAXIMA de 17 5 bar as 250 Ibs pu
35. xtension Contact with power lines could cause extremely serious bodily injury including burns or electrocution HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCARBONS Never use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids con taining such solvents in this equipment Such use could result in a serious chemical reaction with the possibility of explosion which could cause death serious bodily in jury and or substantial property damage Consult your material suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts AVERTISSEMENT Assurez vous que tous les utilisateurs de cet quipment lisent comprennent et observent les avertissements et les instructions de ce manuel SECURITE GENERAL Faites extr mement attention de ne pas clabousser de peinture d eau de rin age sale de solvant dans les yeux Portez de lunettes de protection Assurez vous que l endroit o vous travaillez est bien a r afin d viter l accumulation des vapeurs toxiques de peinture Pour r duire le risque de d charge lectrique n exposez pas le syst me la pluie Rangez toujours le syst me l int rieur MISE A LA TERRE Il est essentiel d effecteur la mise la terre pour r duire le risque de d charge lectrique et de blessures s rieuses r sultant des tincelles d lectricit statique Lisez et observez les instuctions de mise la terre
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