Graco 307456U User's Manual
Contents
1. 7 Instructions Parts List anaes Fast Flo Air Motor 307456U 12 5 bar 1 25 MPa 180 psi Maximum Air Working Pressure Model 215963 Series A 101 6 mm 4 in stroke NOTE To replace Air Motor 215963 order Motor Replacement Kit 223099 S See manual 307977 for parts Se Important Safety instructions Read all warnings and instructions in this manual gt Save these instructions See page 2 for table of contents 03652B Model 215963 Shown PROVEN QUALITY LEADING TECHNOLOGY Table of Contents WAIMINGS iii aie eth ao tapa 2 Installations ceca se aa lr Seid eed 5 Operational fe he sevens ia 5 Troubleshooting eee 6 Servicer ape e ar dees A A 28 7 PAIS samma A TE E A EEEE E 9 Dimensional Drawings 10 Mounting Hole Layout 10 Technical Data reree 11 Graco Warranty nnrrenee 12 Graco Information ee 12 Symbols Caution Symbol 44 CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the Warning Symbol A WARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions instructions 44 WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury ES R2. put your hand or fingers over the spray tip nozzle Do not stop or deflect leaks with your hand body glove or rag Always have the tip guard and the trigger guard on the gun when spraying Be sure the gun trigger safety operates before spraying Close the gun ball valves when you stop spraying Lock the gun trigger safety when you stop spraying Follow the Pressure Relief Procedure on page 5 if the spray tip nozzle clogs and before clean ing checking or servicing the equipment Tighten all fluid connections before operating the equipment Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Do not repair high pressure couplings you must replace the entire hose 307456 3 44 WARNING FIRE AND EXPLOSION HAZARD Improper grounding poor ventilation open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury e Ground the equipment and the object being sprayed dispensed Refer to Grounding on page 5 If there is any static sparking or you feel an electric shock while using this equipment stop spray 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 sprayed dispensed Keep the spray dispensing area free of debris including solvent rags and gasoline Before operating this equipment extinguish all o
3. RRANTY 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 contract breach of warranty the negligence of Graco or otherwise FOR GRACO CANADA CUSTOMERS The parties acknowled
4. Replace the packing and reassemble the air motor in the reverse order of disassembly Upper Spring Replacement Unscrew the cylinder cap 7 from the cylinder 8 To remove the spring 5 pry gently under the coils in the direction of the helix Cleaning the Muffler To clean the muffler 26 remove it from the unit and soak it in mineral spirits then blow dry with air to remove excess solvent 307456 7 Service 220168 Air Valve and Motor Cap and Cylinder Piston Assembly 11 AN Apply Sealant Torque to 1 3 1 6 Nem 10 14 in lb Use pliers B only when removing piston Do not use when tightening piston to rod 23 0 8 mm 0 032 in Min Fig 2 8 307456 Parts 23 AN Apply Sealant AN Torgue to 1 3 1 6 Nem 10 14 in lb 26 03655B Ref Ref No PartNo Description Qty No PartNo Description Qty 1 116343 SCREW grounding 13 181485 SPACER valve plate 3 for non listed pumps 1 14 189210 PISTON air aluminum 1 2 104029 LUG grounding for UL listed pumps 1 15 181487 PLATE air intake valve 1 3 104582 WASHER tab for UL listed pumps 1 16 162729 PLATE air exhaust valve 1 4 157872 WASHER valve 1 20 178780 SPRING compression 1 5 178866 SPRING compression 1 22 215946 BASE air motor include item 9 1 6T 172404 GASKET neoprene 2 23 215947 SHAFT pisto
5. W INSTRUCTIONS This eguipment 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 stated on the equipment or in the Technical Data section for your equipment Do not exceed the maximum working pressure of the lowest rated component in your system Handle hoses carefully Do not use hoses to pull equipment Route hoses away from traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 66 C 150 F or below 40 C 40 F Wear hearing protection when operating this equipment Comply with all applicable local state and national fire electrical and safety regulations 2 307456 44 WARNING SKIN INJECTION HAZARD Spray from the gun leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Fluid splashed in the eyes or on the skin can also cause serious injury Fluid injected into the skin might look like just a cut but it is a serious injury Get immediate surgical treatment Do not point the gun at anyone or at any part of the body Do nat
6. fler 26 clogged Clean the muffler with mineral spirits See Cleaning the Muffler on page 7 6 307456 Service NOTE Repair Kit 214584 is available For best results use all the new parts in the kit even if the old parts look good Parts included in the kit are marked with a dagger for example 6 in the text and illustrations Air Piston and Lower Spring Service 44 WARNING To reduce the risk of injury from trapped air pres sure when servicing the air motor always remove air cap 7 from air cylinder 8 before removing air cylinder from base 22 1 Unscrew the cylinder cap 7 from the cylinder 8 To remove the spring 5 pry gently under the coils in the direction of the helix 2 Unscrew the cylinder 8 from the base 22 and lift the cylinder off the air piston 11 Using a pliers B on the air exhaust plate 16 and a wrench C on the piston shaft 23 unscrew the piston from the shaft See Fig 2 44 CAUTION Ketone fumes may damage the piston o rings When pumping ketones such as acetone MEK etc use Conversion Kit 221038 This kit replaces the stan dard fluoroelastomer o rings with EPDM o rings which are resistant to ketones 3 Disassemble the piston and wash all parts in compatible solvent Refer to the parts list on page 9 Blow parts dry and inspect for wear or damage If any of the valve plate spacers 13 are damaged replace all three to maintain proper clearance between
7. ge 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 a 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 the following 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 This manual contains English MM 307456 Graco Headquarters Minneapolis International Offices Belgium Korea China Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 1980 Graco Inc is registered to ISO 9001 Revised 04 2009 12 307456
8. ground screw Z Fasten the ground connector W onto the pump with the ground screw Z and F Uma Moma Ground wire and campas Shows In tighten securely Loosen screw X Insert one Fig 1 exposed end of a 12 ga 1 5 mm minimum ground wire Y through the eye of the ground terminal connector W and tighten screw X e Air compressor Follow manufacturer s recommen securely Connect the other end of the wire to a dations true earth ground Order Part No 222011 Ground Connector Wire and Clamp e Object being sprayed Follow your local code e All solvent pails used when flushing or relieving pressure always hold a metal part of the gun firmly to the side of a grounded metal pail then trigger the gun e To maintain grounding continuity when flushing or relieving pressure always hold a metal part of the spray gun firmly to the side of a grounded metal pail then trigger the spray gun Fig 1 T1052 Operation Pressure Relief Procedure 1 Shut off the air to the pump 2 Close the bleed type master air valve required in A WARNING your system 3 Hold a metal part of the gun to the side of a INJECTION HAZARD grounded metal pail and trigger the gun to relieve The system pressure must be manually pressure relieved to prevent the system from starting or spraying accidentally Fluid 4 Open the fluid drain valve required in your sys under high pressure can be injected through the tem having a container
9. n Includes item 26 1 7 172406 GAP cylinder 1 26 178490 MUFFLER 1 8 172407 CYLINDER 1 27 108357 O RING fluoroelastomer 1 9t 172585 PACKING v block nitrile rubber 1 28 108358 O RING fluoroelastomer 3 10t 172595 WASHER backup 11 220168 AIR VALVE amp PISTON ASSEMBLY Recommended tool box spare parts Keep these spare Includes items 12 16 27 amp 28 1 parts on hand to reduce downtime 12 220884 SCREW socket hd cap No 6 32 25 mm 1 in Ig with copper gasket 3 1 Supplied in Repair Kit 214584 307456 9 Dimensions KSN 59 mm 2 32 in diameter 1 4 18 npt f 10 307456 Technical Data Maximum inbound air pressure nreerrereraeeneeee 12 5 bar 1 25 MPa 180 psi Air MIL SIZB ii A ee ad dda t hee Sek tea pees DENE ESTERE BE aia 1 4 npt f Effective piston area x nnurentunnteereanrnanrnaeenneenaennee 10 cm 1 6 sq in Effective piston diameter nenrnenunenunnnrrenarenareanenaeenaee 35 2 mm 1 4 in Stroke ENT it a EE pae n O AS eects a deed MA ance id eas 101 6 4 in Welgi eis costosa dee iaa dra des 1 8 kg 4 Ib 307456 11 The 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 to the original purchaser for use With the exception of any special extended or limited warranty published by Graco Graco
10. pen flames or pilot lights in the spray dispensing area Do not smoke in the spray dispensing area Do nat turn on or off any light switch in the spray dispensing area while operating or if fumes are present Do not operate a gasoline engine in the spray dispensing area TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin inhaled or swallowed Know the specific hazards of the fluid you are using Store hazardous fluid in an approved container Dispose of hazardous fluid according to all local state and national guidelines Always wear protective eyewear gloves clothing and respirator as recommended by the fluid and solvent manufacturer 4 307456 Installation Grounding To ground the pump 1 UL Listed Pumps Use a ground wire connector Proper grounding is an essential part of maintaining a and clamp See Fig 1 Loosen screw X Insert safe system one exposed end of a 12 ga 1 5 mm minimum ground wire Y through the eye of the ground terminal connector W and tighten screw X To reduce the risk of static sparking ground the pump securely Connect the other end of the wire to a Check your local electrical code for detailed grounding true earth ground Order Part No 237569 Ground instructions for your area and type of equipment Be Wire and Clamp sure to ground all of this equipment 2 Non UL Listed Pumps See Fig 1 Remove the
11. ready to catch the drain skin and cause serious injury To reduce the risk of age an injury from injection splashing fluid or moving 5 parts follow the Pressure Relief Procedure whenever you e are instructed to relieve the pressure If you suspect that the spray tip nozzle or hose is e stop spraying dispensing clogged or that fluid pressure is not fully relieved after A following the steps above very slowly loosen the tip e check or service any of the system equipment ne a A i guard retaining nut or hose end coupling and relieve e or install or clean the spray tips or nozzles pressure gradually Clear the tip or hose obstruction 307456 5 Leave the drain valve open until you are ready to spray dispense again Troubleshooting Relieve the Pressure before you check or service any A WARNING system equipment To reduce the risk of serious injury whenever you are instructed to relieve pressure always follow the Pressure Relief Procedure on page 5 Air motor stalls Turn off and relieve air pressure to the motor Turn on the air supply If the motor does not start service the air piston 11 or springs 5 and 20 Air leaks down along the piston shaft 23 Replace the v block packing 9 NOTE Check all other possible problems and solu tions before disassembling the pump Air leaks from the piston shaft relief holes 23a Clean and service the piston 11 Slow operation Icing allow the air motor to thaw Muf
12. the valve plates and the seats 4 Remove and inspect the lower spring 20 Re place if necessary and reinstall A decrease in performance accompanied by a slower than normal cycle rate is commonly caused by icing It is recommended that the pump is shut down and the ice is allowed to thaw Reassemble the air piston 11 using new parts as needed Apply a good grade of thread sealant to the threads of the screws 12 and torque evenly to 1 1 1 6 Nem 10 14 in Ib With the washer 4 in place apply thread sealant to the threads of the piston Carefully screw the piston 11 onto the shaft 23 by hand so it is securely fastened Do not use pliers on the air exhaust plate while tight ening When installed there should be 0 8 mm 0 032 in minimum clearance between the wash er 4 and the piston shaft shoulder See Fig 2 Packing Replacement 1 N Unscrew the cylinder cap 7 from the cylinder 8 To remove the spring 5 pry gently under the coils in the direction of the helix Unscrew the cylinder 8 from the base 22 and lift the cylinder off the air piston 11 Disconnect the piston shaft 23 from the pump connecting rod and pull the shaft up out of the air motor base Remove and inspect the packing 9t being careful not to mar the inner lip See Fig 2 NOTE Fluoroelastomer packing 111383 is available as an accessory for use with solvents not compatible with the standard nitrile rubber packing 3
13. 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 will be made at a reasonable charge which charges may include the costs of parts labor and transportation THIS WA
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