Graco 309303V User's Manual
Contents
1. Fluid Outlet Pressure Air Consumption psi cycles per minute scfm cycles per minute MPa bar 24 47 71 94 118 141 165 188 l min 24 47 71 94 118 141 165 188 120 A 224 8 0 8 8 0 u 100 S due Ai t V 9 deM E 168 Le ge o E 140 5 AS 0 0 6 6 0 5 9 c 60 c D 12 4 ove a 04 40 s43 Z Je a 40 o Ld 3 0330 p a 56 2 de Le H 20 T TTE lt 28 1 0 14 1 4 0 0 y gpm 0 1 2 3 4 5 6 7 8 gpm 0 1 2 3 4 5 6 7 8 l min 3 8 7 6 11 4 15 2 19 0 22 8 26 6 30 4 l min 3 8 7 6 11 4 15 2 19 0 22 8 26 6 30 4 24 309303 Dimensions BOTTOM VIEW l 4 53in 115 mm fo 3 8 npt or 3 8 BSPP Fluid Outlet pt lel Cy Ae Two 0 35 in 9 mm diameter holes for mounting pump 1 4 npt or 1 4 BSPP Air Inlet KE KE npt or M26 x 1 5 Fluid Inlet a 41lin 4 104 mm SIDE VIEW SIDE VIEW Aluminum SST L oN assin 3 FN 7 C2 124 mm D k es p 8 2 in 208 mm E SH Oooo ti1037a bn 9 1 in 231 5 mm TI3265A 309303 25 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to2. or destruction of equipment if you do not follow the instructions A WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result INSTRUCTIONS in a serious injury em CT Massi e RA This equipment is for professional use only Read all instruction manuals tags and labels before operating the equipment Use the equipment only for its intended purpose If you are not sure call your Graco distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated component in your system This equipment has a 115 psi 0 8 MPa 8 bar maximum working pressure at 115 psi 0 8 MPa 8 bar maximum incoming air pressure Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Tech nical Data section of all equipment manuals Read the fluid and solvent manufacturer s warnings Aluminum pumps only Never use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment Such use could result in a chemical reaction with the possibility of explosion Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces
3. 197674 COVER housing for Part Nos 233500 and 233776 aluminum 2 197680 COVER housing for Part Nos 233501 and 233777 stainless steel 2 33 198832 FITTING air inlet for Part Nos 233500 and 233501 1 198831 FITTING air inlet for Part Nos 233776 and 233777 1 35 116343 SCREW grounding M5 x 10 1 36 116474 SCREW cap socket hd M4 x 20 4 37 116475 SCREW cap socket hd M4 x 12 2 38 117367 SCREW cap socket hd M8 x 18 for Part Nos 233500 and 233776 12 15D128 SCREW same as above for Part Nos 233501 and 233777 12 39 116595 SCREW button hd M4 x 12 2 40A 188621 LABEL warning 1 43TX 157628 O RING 2 44x n a BEARING 2 45x n a O RING nitrile 2 46x n a O RING nitrile 2 47x n a RING retaining 2 These parts are only available by purchasing Dia phragm Repair Kit 245065 T These parts are only available by purchasing Air Valve Repair Kit 245066 t These parts are only available by purchasing Ball Check Repair Kit 245067 These parts are only available by purchasing Shaft and Bearing Repair Kit 24A 155 A Replacement Danger and Warning labels tags and cards are available at no cost This part available in 10 pack kit 15D564 or in Ball Check Repair kit 245067 309303 23 Technical Data Category Data Maximum fluid working 115 psi 0 8 MPa 8 0 bar pressure Air pressure operating range 12 to 115 psi 08 to 0 8 MPa 0 8 to 8 0 bar Ratio 1 1 Maximum free flow delivery 8 5 gal min 32 l min Operating f
4. 5 until it bottoms out Tools Required Thread the nut down to the shaft to lock it e M8 bolt e M8 hexnut 4 Hold the nut with a wrench or vise to keep the e Adjustable wrench or vise shaft from turning Unscrew the other diaphragm l 6 by hand NOTE Diaphragm Repair Kit 245065 is available 6 by Parts included in the kit are marked with an asterisk for example 6 Always replace both diaphragms for NOTE If you cannot remove the second diaphragm the best results refer to Shaft Repair Disassembly on page 20 1 Remove the fluid covers See page 14 Reassembly 1 Screw the new diaphragms 6 into the shaft 5 handtight Wear gloves when removing the diaphragms to Aou reduce the risk of cuts 2 Replace the ball check seals 24 with the new seals in the kit 2 Unscrew one diaphragm 6 from the shaft 5 by hand See Fig 5 3 Reinstall the fluid covers See page 14 A WARNING A TIS X AX 10 ft lb 13 6 Nem E AAN Align A Use M8 bolt and nut to keep shaft from turning ti1033a Fig 5 309303 17 Service Air Valve Repair Tools Required e 3mm allen wrench e Needlenose pliers e Retaining ring removal tool e O ring pick Disassembly NOTE Air Valve Repair Kit 245066 is available Parts included in the kit are marked with a dagger for exam ple 81 Use all the parts in the kit for the best results 1 Remove the side cover 31 and felt dampener 29 2 Remove the four s
5. Do not expose Graco hoses to temperatures above 180 F 82 C or below 40 F 40 C Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and safety regulations 309303 3 4 A WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor air ventilation open flames or sparks can cause a hazardous condition and result in fire or explosion and serious injury 309303 Ground the equipment Refer to Grounding on page 7 If there is any static sparking or you feel an electric shock while using this equipment stop pump ing immediately Do not use the equipment until you identify and correct the problem Provide fresh air ventilation to avoid the buildup of flammable fumes from solvents or the fluid being pumped Keep the work area free of debris including solvent rags and gasoline Electrically disconnect all equipment in the work area Extinguish all open flames or pilot lights in the work area Do not smoke in the work area Do not turn on or off any light switch in the work area while operating or if fumes are present Do not operate a gasoline engine in the work area A WARNING PRESSURIZED FLUID HAZARD Spray from the gun hose leaks or ruptured components can splash fluid in the eyes or on the skin and cause serious injury Do not stop or deflect fluid leaks with your hand glove or rag Follow the Pressu
6. screws 36 carriage 7 Install the retaining rings 11 to hold Torque the screws to 28 in Ib 3 1 Nem these parts in place 8 Replace the ball check seals 24t with the new 3 Install the air valve cup 121 in the notch of the seals in the kit carriage 7 so the open side faces out 4 Install two o rings 43 in the counterbore of the air 9 Reinstall the felt dampener 29 and side cover motor 81 See page 14 AN Lubricate ZAN 28 in lb 3 1 Nem AN Align See Fig 6 11 BIS 309303 19 Service Shaft Repair 7 lf you could not remove one diaphragm from the shaft place the shaft in a vise with soft jaws Tools Required Unscrew the remaining diaphragm 6 from the e Needlenose pliers shaft 5 by hand e O ring pick e Retaining ring removal tool 8 Clean all parts and inspect for wear or damage Vise with solt jaws Replace parts as needed Disassembly Reassembly NOTE Shaft Repair Kit 24A155 is available Parts Screw one diaphragm 6 into the shaft 5 included in the kit are marked with a star for example handtight 5x Use all the parts in the kit for the best results NOTE Shaft and Bearing Repair Kit is available Parts 2 Lubricate the o rings 45 46 and install on the included in the kit are marked with a symbol for exam bearings 44 Install the bearings in the center ple 44x Use all the parts in the kit for the best housing 1 and secure with the retaining rings resu
7. will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE Graco s sole obligation and buyer s sole remedy for any breach of warranty shall be as set forth above The buyer agrees that no other remedy including but not limited to incidental or consequential damages for lost profits lost sales injury to person or property or any other incidental or consequential loss shall be available Any action for breach of warranty must be brought within two 2 years of the date of sale Graco makes no warranty and disclaims all implied warranties of merchantability and fitness for a particular purpose in connection with accessories equipment materials or components sold but not manufactured by Graco These items sold but not manufactured by Graco such as electric motors 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 In no event will Graco be liable for indirect incidental special or consequential damages resulting from Graco supplying equipment hereunder or the furnishing performance or use of any products or other goods sold hereto whether due to a breach of contr
8. Clean the air filter D in your main air line at least once a week Storage Before storing the pump always flush it and relieve pressure Preventive Maintenance Schedule Establish a preventive maintenance schedule based on the pump s service history This is especially impor tant for prevention of spills or leakage due to dia phragm failure Troubleshooting A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 11 1 Relieve the pressure before checking or servicing the equipment 2 Check all possible problems and causes before disassembling the pump PROBLEM CAUSE SOLUTION Pump will not run Clogged pump fluid line or spray gun Stuck or damaged pump air valve Closed air line valve Open valve Inadequate air supply or clogged restricted air line Increase air supply Do not exceed maximum air inlet pressure Open or clear air line Clean air filter Clear service Flush regularly Do not allow fluid to set up in the pump and lines Disassemble and clean air valve Replace worn parts See page 18 Use filtered air Ruptured diaphragm Replace diaphragms See page 17 Air valve plate installed incorrectly Align plate with center housing See page 19 12 309303 Troubleshooting PROBLEM CAUSE SOLUTION Pump runs sluggishly Worn or damaged carriage o rings Service a
9. Instructions Parts List GRACO 1 1 RATIO TRITON 308 Diaphragm Pump SEN Used to pump waterborne and solvent based paints and catalysts For professional use only 115 psi 0 8 MPa 8 bar Maximum Fluid Working Pressure 115 psi 0 8 MPa 8 bar Maximum Air Input Pressure Part No 233500 Aluminum Pump Series D npt threads Part No 233501 Stainless Steel Pump Series C npt threads Part No 233776 Aluminum Pump Series C BSPP threads Part No 233777 Stainless Steel Series C BSPP threads U S and Foreign Patents Pending Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Part No 233501 Shown ti1029a CE Ediza PROVEN QUALITY LEADING TECHNOLOGY Table of Contents Safety Warnings 3 Installation ienie a ie aaa eaa a 6 Operation 11 Maintenance 12 Troubleshooting 12 Service Remove the Fluid and Side Covers 14 Ball Check Repair 16 Diaphragm Repair 17 Air Valve Repair 2 00 eee eee eee 18 Shaft Repair 20 PAIS oret P LU o ih tad Renate tu DE 23 Technical Data 24 Dimensions 25 Graco Standard Warranty 26 Graco Information 26 2 309303 Symbols Warning Symbol A WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions Caution Symbol AA CAUTION This symbol alerts you to the possibility of damage to
10. See the WARNING at left Flush the Pump Before First Use The pump was tested in lightweight oil If the oil could contaminate the fluid you are pumping flush the pump thoroughly with a compatible solvent Follow the steps under Starting and Adjusting the Pump on page 11 Operation Pressure Relief Procedure A WARNING The system remains pressurized until pressure is manually relieved To reduce the risk of serious injury from pressurized fluid accidental spray from the gun or splashing of any fluid follow this proce dure whenever you Stop spraying Are instructed to relieve pressure Check or service any system equipment Install clean or change spray nozzles 1 Shut off the bleed type air valve B 2 Ina spray system hold the gun S firmly against a grounded metal pail and trigger the gun to relieve the fluid pressure 3 Place the drain tube K in a waste pail Open the drain circulation valve J to relieve any fluid pres 4 Check all fittings to be sure they are tight Use a compatible liquid thread sealant on all male threads Tighten the fluid inlet and outlet fittings snugly Do not overtighten the fittings NOTE Before using he pump re torque fluid cover screws 38 to 10 ft lb 13 6 Nem Place the suction tube L if used in the fluid to be pumped Place the fluid hose P in a container Close the drain circulation valve J Close the pump air regulator F Open all bleed type mast
11. act breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowledge that they have required that the present document as well as all documents notices and legal proceedings entered into given or instituted pursuant hereto or relating directly or indirectly hereto be drawn up in English Les parties reconnais sent avoir convenu que la r daction du pr sente document sera en Anglais ainsi que tous documents avis et proc dures judiciaires ex cut s donn s ou intent s la suite de ou en rapport directement ou indirectement avec les procedures concern es Graco Information For the latest information about Graco products visit www graco com TO PLACE AN ORDER contact your Graco distributor or call one of these numbers to identify the distributor closest to you 1 800 328 0211 Toll Free 612 623 6921 612 378 3505 Fax 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 309303 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2001 Graco Inc is registered to ISO 9001 www graco com Revised 02 2011 26 309303
12. crews 36 air valve cover 17 and gasket 16 See Fig 7 3 See Fig 6 Note the orientation of the air valve plate 13 relative to the fluid outlet arrow with POM marking up Pull the plate out of the center housing 1 Remove the three o rings 14 15 and the two o rings 43 from the plate See Fig 7 4 Remove the air valve cup 12 from the center housing 1 18 309303 5 Remove the retaining rings 11 and plug 9 from both sides and slide the carriage 7 from the center housing 1 Remove the o rings 8 10 from the carriage and the plug 6 Clean all parts and inspect for wear or damage Replace parts as needed AN Orient POM marking on air valve plate as shown in relation to fluid outlet arrow POM marking fluid outlet arrow 13t ti15226a Fig 6 Service Air Valve Repair continued 5 Lubricate the large o ring 15t and the two small o rings 14t and install them on the air valve plate Reassembly 131 Align the point on the plate with the arrow 1 Lubricate the o rings 81 and install them on the on the center housing 1 as shown in Fig 6 carriage 7 Slide the carriage into the center Install the plate in the housing housing 1 so the notch faces out as shown in Fig 7 6 Install the gasket 161 Note the orientation 2 Lubricate each o ring 10T and install them on the plugs 9 Insert a plug in each side to secure the 7 Reinstall the air valve cover 17 and
13. e 2 5 mm allen wrench e 6mm allen wrench e Adjustable wrench Disassembly A WARNING To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 11 1 Relieve the pressure 2 Disconnect the hoses and ground wire 14 309303 Be careful that the ball checks do not fall out when you remove the fluid covers 32 4 Remove the six screws 38 and top cover 32 from the center housing 1 Remove the ball check seals 24 Remove the bottom cover and seals NOTE Always replace the ball check seals 24 when ever the fluid covers 32 are removed These seals are included in the four repair kits NOTE Perform step 5 only if you are servicing the air valve or the diaphragm shaft 5 Remove the two screws 39 and take off the side cover 31 and felt dampener 29 Service Remove the Fluid and Side Covers continued Reassembly 1 Clean all parts and inspect for wear or damage Replace parts as needed If necessary reinstall the felt dampener 29 and side cover 31 Torque the screws 39 to 28 in Ib 8 1 Nem Install new ball check seals 24 Place the fluid covers 32 on the housing 1 Align the mounting holes H in the fluid covers with the holes in the housing Install the screws 38 loosely then torque oppositely and evenly to 10 ft Ib 13 6 Nem Reinstall the pump on its mounting Reconnect the gro
14. e air into the the end of the air hose and screw the mating fitting pump with the air regulator F or the fluid out into the pump air inlet snugly Do not connect the of the pump with the fluid regulator H coupler to the fitting yet 8 309303 Installation Wall Mount HVLP Spray Installation Shown KEY TRITON 308 Pump a Bleed type master air valve required for pump Air supply line Air line filter Air line shutoff valve Pump air regulator Gun air regulator used in spray system only S Fluid pressure regulator used in spray system only Drain circulation valve Drain tube Suction tube Pump fluid inlet Pump fluid outlet Fluid hose shown connected to gun in spray system Gun air hose used in spray system only Spray gun used in spray system only Pump air inlet Agitator used in spray system only Air line quick disconnect Ground wire D gt Tommoo Uzzr Ac X cuodg ti1020a ti1007a Fig 2 309303 9 Installation Fluid Suction Line e Screw the suction line L into the pump inlet M snugly Use a compatible liquid thread sealant on connections to prevent air from getting into the fluid line e Do not pressure feed this pump e See the Technical Data on page 24 for maximum suction lift Use an agitator U to prevent fluid from sett
15. eference numbers and letters in parentheses refer to the callouts in the figures and the parts lists on pages 23 22 e Ina spray system ventilate the spray booth Tightening Threaded Fasteners Before First Use NOTE Before using pump loosen fluid cover screws 38 1 2 turns and then retorque to 13 6 Nem 10 ft lb See the Service section for torque specifications e After unpacking the pump and before using it for the first time check and retorque all external fas teners e After the first day of operation retorque the fasten ers e Asa general guideline retorque fasteners every two months 6 309303 A WARNING FIRE AND EXPLOSION HAZARD To prevent hazardous concentrations of toxic and or flammable vapors spray only in a properly ventilated spray booth Never operate the spray gun unless ventilation fans are operating Check and follow all of the national state and local codes regarding air exhaust velocity requirements A WARNING TOXIC FLUID HAZARD E Hazardous fluid or toxic fumes can IA cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Read TOXIC FLUID HAZARD on page 5 Use fluids and solvents which are compatible with the equipment wetted parts Refer to the Technical Data section of all equipment manu als Read the fluid and solvent manufacturer s warnings Mounting the Pump Mount the pump in a well ventilated area with sufficie
16. er air valves B E If the fluid hose has a dispensing device hold it open while continuing with the following step Slowly open the air regulator F until the pump starts to cycle Allow the pump to cycle slowly until all air is pushed out of the lines and the pump is primed sure trapped in the system e If you are flushing run the pump long enough to Starting and Adjusting the Pump thoroughly clean the pump and hoses Close the air regulator Remove the suction tube from the 1 AN 3 Read Toxic Fluid Hazard solvent and place it in the fluid to be pumped IA on page 5 Pump Shutdown If lifting the pump follow the Pres N sure Relief Procedure above A WARNING N To reduce the risk of serious injury whenever you Be sure the pump is are instructed to relieve pressure always follow the N s W properly grounded Pressure Relief Procedure at left 3 Read Fire and Explosion Hazard At the end of the work shift flush the pump and relieve on page 4 pressure 309303 11 Maintenance Tightening Threaded Connections Before each use check all hoses for wear or damage Replace as necessary Check that all threaded con nections are tight and leak free NOTE Periodically re torque fluid cover screws 38 to 10 ft lb 13 6 Nem Cleaning Clean the outside of the equipment daily using a soft cloth and compatible solvent Clean the suction tube L and inlet strainer daily using a compatible solvent
17. he shown in Fig 1 Connect the clamp end of the grounding continuity ground wire to a true earth ground Order Part No 238909 Ground Wire and Clamp e Fluid supply container Follow your local code 309303 7 Installation Air Line b Locate a bleed type master air valve B close to the pump to relieve trapped air See the A WARNING WARNING at left Locate another air valve E upstream from all air line accessories to isolate them during cleaning and repair A bleed type master air valve B is required in your system to relieve air trapped between this valve and the pump See Fig 2 Trapped air can cause c Install an air line filter D to remove harmful the pump to cycle unexpectedly which could result contaminants such as dirt moisture and oil in serious injury including splashing in the eyes or from the compressed air supply on the skin injury from moving parts or contamina tion from hazardous fluids 2 The air valve does not require lubrication 1 Install the air line accessories as shown in Fig 2 Mount these accessories on the wall or on a bracket Be sure the air line supplying the acces 3 Install an electrically conductive flexible air hose sories is electrically conductive C between the accessories and the pump air inlet T Use a minimum 1 4 6 3 mm ID air hose a The fluid pressure can be controlled in two Screw an air line quick disconnect coupler V onto ways either by controlling th
18. il of Grounding Screw ti1030b ti1036F 22 309303 NOTE Purchase items 36 39 locally Ref No 1 24 fX 2519 26t 27i 28 29 30 31 Part No 15J732 198894 198892 197679 197645 197646 n a 197648 197649 197650 197651 197652 197653 197654 197655 197656 197657 197658 197659 197660 197661 197662 197663 197664 197665 197666 197667 197668 197669 197670 197671 16A659 16A661 Description HOUSING center for Part No 233500 aluminum HOUSING center for Part No 233501 stainless steel HOUSING center for Part No 233776 aluminum HOUSING center for Part No 233777 stainless steel CARRIAGE valve RING retaining shaft SHAFT diaphragm DIAPHRAGM PTFE composite CARRIAGE O RING carriage PLUG carriage O RING plug RING retaining carriage CUP valve air PLATE valve air O RING valve air O RING valve air GASKET valve air COVER valve air VALVE safety air PLATE dampener neoprene DAMPENER steel BALL acetal SEAL valve outlet acetal SEAT valve outlet stainless steel SEAL ball check nylon O RING valve inlet fluoroelastomer SEAT valve inlet stainless steel GUIDE ball acetal DAMPENER felt air inlet side DAMPENER felt side COVER air inlet side COVER side Parts Qty 1 MI A sch YP sch MAMM NM sch Mi N N AN sch ch P Ref No Part No Description Qty 32
19. ir valve See page 18 Pump runs erratically Clogged suction line or inlet strainer Clear Sticking or leaking ball check Disassemble and clean ball checks valves Replace worn parts See page 16 Pump runs too fast Exhausted fluid supply Refill fluid supply and prime pump Pump cycles at stall or fails to hold Worn ball check valves Disassemble and clean ball checks pressure at stall Replace worn parts See page 16 Audible air leak Worn air valve cup or plate Service air valve See page 18 Air exhausting from the mounting Fluid covers are installed incorrectly Align mounting holes in fluid covers holes with holes in center housing See page 14 Fluid in the exhaust air Ruptured diaphragm Replace diaphragms See page 17 Air bubbles in fluid Loose suction line Tighten Use a compatible liquid thread sealant on connections Ruptured diaphragm Replace diaphragms See page 17 Poor finish or irregular spray pat Incorrect fluid or air pressure at gun See gun manual read fluid tern manufacturer s recommendations Use fluid regulator manufacturer s recommendations Dirty worn or damaged spray gun Service gun Fluid is settling out Use agitator Order Part No 245081 Agitator Kit Fluid is too thin or too thick Adjust fluid viscosity read fluid 309303 13 Service 3 Remove the pump from its mounting A CAUTION Remove the Fluid and Side Covers Tools Required e Torque wrench
20. ling out Part No 245081 Agitator Kit accessory is available Fluid Outlet Line A WARNING A fluid drain valve J is required in your system to relieve pressure in the hose if it is plugged See Fig 2 The drain valve reduces the risk of serious injury including splashing in the eyes or on the skin or contamination from hazardous fluids when relieving pressure Install the valve close to the pump fluid outlet To use the valve as a circulation valve connect a tube K between the valve and pail 10 309303 A CAUTION Some systems may require installation of a pressure relief valve at the pump outlet to prevent overpres surization and rupture of the pump or hose Thermal expansion of fluid in the outlet line can cause overpressurization This can occur when using long fluid lines exposed to sunlight or ambient heat or when pumping from a cool to a warm area for example from an underground tank Overpressurization can also occur if the pump is being used to feed fluid to a piston pump and the intake valve of the piston pump does not close causing fluid to back up in the outlet line e Use electrically conductive fluid hoses P Screw the fluid fitting into the pump outlet N snugly e Install a fluid regulator H at the pump fluid outlet to control fluid pressure if desired See Air Line step 1a for another method of controlling pressure e Install a fluid drain valve J near the fluid outlet
21. lts 47 1 Remove the fluid covers See page 14 Remove the side cover 31 and felt dampener 29 3 Place the valve carriage 3 in the center housing 1 Grease the shaft 57x and slide it through the 2 Disassemble the air valve See page 18 center housing and valve carriage 3 Remove the diaphragms 6 See page 17 4 Install the retaining rings 4x on the shaft 5 4 Remove the retaining rings 47x from the shaft 5 See Fig 8 5 Screw the second diaphragm 6 into the shaft 5 handtight 5 Slide the shaft 5 out of the center housing 1 Remove the valve carriage 3 from the housing f 6 Reassemble the air valve and carriage see page 6 Remove the retaining rings 47 and bearings 44 18 using the new o rings 8 10 14 15 A CAUTION 7 Replace the ball check seals 24x with the new seals in the kit Do not grip the shaft with tools that can scratch or damage the shaft such as wrenches or pliers 8 Reinstall the fluid covers See page 14 20 309303 Service Shaft Repair continued AN 10 ft lb 13 6 Nem AN Lubricate AAN Align AN 28 in lb 3 1 Nem AN Align See Fig 6 ti1035E Fig 8 309303 21 Parts Part No 233500 Aluminum Pump Series D npt threads Part No 233501 Stainless Steel Pump Series C npt threads Shown Part No 233776 Aluminum Pump Series C BSPP threads Part No 233777 Stainless Steel Pump Series C BSPP threads Deta
22. luid temperature 50 to 176 C 10 to 80 C range Maximum suction lift 16 ft 4 8 m dry 22 ft 6 5 m wet Weight Part Nos 233500 233776 9 Ib 4 kg Part Nos 233501 233777 14 Ib 6 4 kg Wetted parts Part Nos 233500 233776 Aluminum Stainless Steel Acetal Nylon PTFE fluoroelastomer Part Nos 233501 233777 Stainless Steel Acetal Nylon PTFE fluoroelastomer Sound Pressure Levels in dB A Sound Power Levels in dB A measured at 1 m from unit tested in accordance with ISO 3744 Input Air Pressures Input Air Pressures 40 psi 0 28 MPa 2 8 bar 40 psi 0 28 MPa 2 8 bar 60 psi 0 42 MPa 4 2 bar 60 psi 0 42 MPa 4 2 bar Performance Chart To find Fluid Outlet Pressure psi MPa bar at a specific fluid flow To find Pump Air Consumption l min or scfm at a specific fluid flow Ipm gpm and operating air pressure psi MPa bar Ipm gpm and air pressure psi MPa bar bp JEE Nowalong Bolton DEOHATE 1 Locate desired flow along bottom of chart 2 Follow vertical line up to intersection with selected fluid outlet pressure curve black Follow left to scale to read fluid outlet 2 Read vertical line up to intersection with selected air consumption pressure curve dashes Follow left to scale to read air consumption A 115psi 0 8 MPa 8 bar air pressure B 90psi 0 6 MPa 6 bar air pressure C 60psi 0 4 MPa 4 bar air pressure D 30psi 0 2 MPa 2 bar air pressure Test Fluid No 10 Weight Oil
23. nt clearance on all sides for operator access and servicing Be sure the mounting can support the weight of the pump hoses and accessories as well as the stress caused during operation The pump may be mounted vertically or horizontal ly Be sure the pump is level in all directions Wall pail stand or portable cart mounting kits are available from Graco For other mountings be sure the pump is adequately secured The pump has two mounting holes for 0 35 in 9 mm screws See the Dimension drawing on page 25 Installation Grounding A WARNING zl Ba FIRE AND EXPLOSION HAZARD This pump must be grounded Before operating the pump ground the system as explained below Also read the sec tion FIRE AND EXPLOSION HAZARD on page 4 To reduce the risk of static sparking ground the pump ti1030b and all other equipment used or located in the pumping Fig 1 area Check your local electrical code for detailed grounding instructions for your area and type of equip e Airand fluid hoses Use only electrically conductive ment hoses e Air compressor Follow the manufacturer s recom Ground all of this equipment mendations e Solvent pails used when flushing Follow your local code Use only metal pails which are conductive e Pump Attach a ground wire Y to the pump s Do not place the pail on a non conductive surface grounding screw 35 and secure with the screw as such as paper or cardboard which interrupts t
24. re Relief Procedure on page 11 before cleaning checking or servicing the equipment Tighten all fluid connections before each use Check the hoses tubes and couplings daily Replace parts immediately if worn damaged or loose Permanently coupled hoses cannot be repaired TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause a serious injury or death if splashed in the eyes or on the skin swallowed or inhaled Know the specific hazards of the fluid you are using Read the fluid manufacturer s warnings Store hazardous fluid in an approved container Dispose of the hazardous fluid according to all local state and national guidelines Wear appropriate protective clothing gloves eyewear and respirator If the diaphragm fails the fluid is exhausted along with the air 309303 5 Installation General Information e Fig 2 shows a wall mounted HVLP spray applica tion It is only a guide for selecting and installing system components Contact your Graco distributor for assistance in planning a system to suit your needs e Always use Genuine Graco Parts and Accessories available from your Graco distributor If you supply your own accessories be sure they are adequately sized and pressure rated for your system e Use a compatible liquid thread sealant on all male threads Tighten all connections firmly to avoid air or fluid leaks NOTE On all npt threads tighten to 2 3 turns past finger tight e R
25. the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco will for a period of twelve months from the date of sale repair or replace any part of the equipment determined by Graco to be defective This warranty 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 general wear and tear or any malfunction damage or wear caused by faulty installation misapplication abrasion corrosion inadequate or improper maintenance negligence accident tampering or sub stitution of non Graco component parts Nor shall Graco be liable for malfunction damage or wear caused by the incompatibility of Graco equipment with 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 claimed defect 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 the equipment does not disclose any defect in material or workmanship repairs
26. und wire and hoses AN Align A 28 in Ib 3 1 Nem Ae 38 _ Fig 3 ZX 10 ftlb 13 6 Nem A Replace seals whenever cover 32 is removed 309303 ti1031a 15 Service Ball Check Repair Reassembly 1 Reinstall the inlet and outlet ball checks on one Tools Required side of the pump The inlet and outlet checks are Scena DICK assembled differently Install the parts exactly as Disassembly shown in Fig 4 NOTE Ball Check Repair Kit 245067 is available Parts included in the kit are marked with a double 2 Install one cover 32 loosely to prevent the ball dagger for example 21 Use all the parts in the kit checks from falling out See page 14 for the best results 3 Turn the pump over and install the ball checks on 1 Remove the fluid covers See page 14 the opposite side exactly as shown 2 Remove the inlet and outlet ball checks Note that the orientation of the inlet check parts is different 4 Reinstall the fluid covers See page 14 from the outlet check parts See Fig 4 NOTE If the inlet seats 26 are difficult to remove drive them out from the opposite side using a brass rod and hammer 3 Clean all parts and inspect for wear or damage Replace parts as needed AN 10 ft lb 13 6 Nem A A Align Inlet Ball Checks Outlet Ball Checks ti1032a Fig 4 16 309303 Service Diaphragm Repair 3 Thread an M8 hexnut A onto an M8 bolt Screw f the bolt into the shaft
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