Graco 3A2799A User's Manual
Contents
1. FIG 4 3A2799A 7 Operation Flush the Gun 7 Now trigger the gun into the flushing fluid supply pail Circulate the fluid until the system is thoroughly flushed 8 After gun is thoroughly flushed relieve pressure To reduce the risk of serious injury including splashing fluid in the eyes or on the skin or static electric dis charge when flushing Be sure the entire system including flushing pails is properly grounded Remove the tip guard and spray tip Maintain metal to metal contact between the gun and the flushing pail Use the lowest possible pressure ti19269a NOTICE Always flush the pump and gun before the sprayed fluid cures NOTE This procedure requires a grounded pail of com patible flushing fluid 1 Relieve pressure 2 Remove the tip guard and spray tip Soak and clean the parts 3 Single component systems only Remove the pump intake from the original pail Put the pump intake in a grounded pail of compatible solvent 4 Start the pump at its lowest pressure 5 Single component systems only Trigger the gun into the original pail When flushing fluid appears release the trigger 6 Two component systems only Trigger the gun into a waste container When flushing fluid appears release the trigger 8 3A2799A Service To reduce the risk of serious injury from fluid injection or splashing always follow the Pressure Relief Proce dure on page 5 before servicing th2. guide it into the large end of the fluid housing 22 See FIG 12 2c ti19274a FIG 9 7 Remove the needle 2c Unscrew the seal retainer 2d then remove the seal 2e See FIG 10 f Fic 12 2d 2e ti19271a ti19275a 10 3A2799A 3 Place the gasket 2b on the valve seat 2a Grease the threads of the valve seat 2a then install into the fluid housing 22 Torque to 20 25 ft lb 27 34 Nem See FIG 13 2 Fic 13 4 Install the spring guide 16 and seat it against the needle Loosely thread both setscrews 17 into the spring guide then alternately and evenly tighten the setscrews to 10 15 in Ib 1 1 1 6 Nem Fill the set screw cavities with petroleum jelly See FIG 14 ti19279a Fic 14 3A2799A Service 5 Ifthe spring 19 was removed grease the spring adjuster 20 and place the spring on the adjuster then drop into the gun body 1 See Fic 15 ti19280a Fig 15 6 Push the fluid housing 22 onto the gun body 1 until fully seated Tighten the setscrew 15 to 30 40 in Ib 3 4 4 5 Nem Fill the setscrew cavity with petroleum jelly See Fic 16 ti19272a Fic 16 Service 7 Position the trigger 24 on the gun body Insert the Test the Gun After Service pivot pin 23 into the top hole A and secure with the screw 13 on the other side Ensure there is an 1 Lock the gun trigger lock Connect a hose to the e clip 26 on one end of th
3. Do not plug or unplug power cords or turn power or light switches on or off when flammable fumes are present Ground all equipment in the work area See Grounding instructions Use only grounded hoses Hold gun firmly to side of grounded pail when triggering into pail Do not use pail liners unless they are antistatic or conductive Stop operation immediately if static sparking occurs or you feel a shock Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area 3A2799A 3 Warnings EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury Do not operate the unit when fatigued or under the influence of drugs or alcohol e Donot exceed the maximum working pressure or temperature rating of the lowest rated system com ponent See Technical Data in all equipment manuals Use fluids and solvents that are compatible with equipment wetted parts See Technical Data in all equipment manuals Read fluid and solvent manufacturer s warnings For complete information about your material request MSDS from distributor or retailer Do not leave the work area while equipment is energized or under pressure Turn off all equipment and follow the Pressure Relief Procedure when equipment is not in use Check equipment daily Repair or replace worn or damaged parts immediately with genuine manu facturer s replacement parts only Do not alter or modify equipment Alterations or modificat
4. 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 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 The
5. 6 3A2799A Operation Gun Care If the spray tip clogs while spraying 1 Stop spraying immediately 2 Lock the gun trigger lock Rotate the RAC SwitchTip e To reduce the risk of fluid injection or splashing in handle 180 See Fig 4 the eyes or on the skin do not point gun at anyone or at any part of the body when cleaning or checking a clogged tip Point the gun toward 3 Unlock the gun trigger lock Trigger the gun into a pail or onto the ground to remove the clog the ground or into a waste container when 4 checking to see if the spray tip is cleared Do not try to blow back material this is not an air spray gun 5 Ifthe tip is still clogged Lock the gun trigger lock Rotate the tip handle back to the spraying position Do not wipe fluid buildup off the gun or spray tip until pressure is relieved a Engage tie guf tiggerlock b Shut off the sprayer and disconnect the power source Cleaning during the da g g Y c Open the pressure drain valve to relieve pres sure d Clean the spray tip as shown in manual 308644 1 Relieve pressure page 5 supplied with the RAC SwitchTip 2 Use a solvent soaked brush to clean the spray tip NOTICE Clean the front of the tip frequently during the day to sure to solvent can ruin the packings 3 Clean the tip and tip guard at the end of each work day ti19268a Spraying position shown Rotate tip handle 180 and trigger gun to clear clog
6. DJUSTER spring SCREW adjusting HOUSING fluid PIN pivot TRIGGER gun STOP trigger E CLIP TAG warning CARD warning not shown Not for sale Parts 9 lt N e Ss aS ot et A Replacement Danger and Warning labels tags and cards are available at no cost 13 Parts Needle and Seat Kits The needle and seat are available only in kits that include items 2a through 2e The standard non diffused needle and seat kit 237260 includes all OEM parts and has the number 125 stamped on the needle and seat It is recommended for use with mastics sealers and other high viscosity mate rials which have fillers that cannot easily pass through a diffuser The optional needle and seat kit 237398 has the num ber 090 stamped on the needle and seat This kit will decrease the maximum flow rate of the gun Accessories High Pressure Swivel 207946 Connects the gun inlet to the fluid supply hose and allows easier gun movement and twisting 14 3A2799A Technical Data Technical Data Maximum Working Pressure 0 5 7250 psi 50 MPa 500 bar Fluid orifice SiZ arry eir ine eee 0 125 in 3 2 mm INIGtSIZE Lei ii ia a e a Se o ea e a 3 8 npt m Weight includes tip and tip guard 23 2 0z 720 g LONGED waren N es SRE dak ca eee Gare teens 8 25 in 210 mm Hegt oreroraa eek ate R eae eee 7 0 in 178 mm Sound Data Sound Pressure Level 0000 eee eee 84
7. Instructions Parts G GRACO XHF Spray Gun E For spraying viscous materials at high flow rates For professional use only Part No 262854 Series A Includes an XHD RAC Guard and XHD429 SwitchTip 7250 psi 50 MPa 500 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save all instructions ti19264a C E Exizacrs PROVEN QUALITY LEADING TECHNOLOGY Contents Warnings o oo sec eee eee he eee eee eee ee ee 3 Operation seo Sic ee oie es 5 System Requirements 00005 5 Ground the System 0000e0 eae 5 Gun Trigger Lock 00 0c cee aeeae 5 Pressure Relief Procedure 5 OPeFation srr creieha ces ENESA AR EPE 6 Adjust the Spray Pattern 6 GUN Cares ais es ia E TA REE AEA 7 Flush the Gun ees 8 SOMVICG sie iseee 5 0 wee 2 ale miele eo oye 9 Disassembly for Repair or Cleaning 9 Reassembly 0000 e eee eee eee 10 Test the Gun After Service 12 Parts ooo cence gic ea eae a aaa ai a oe ee 13 Accessories 2 0 tic eisise ete tae tae bee eee 14 Technical Data 00s eee eee eee 15 Graco Standard Warranty 20255 16 Graco Information 20000e eee eeee 16 2 3A2799A Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol aler
8. ace Don t swing the gun in an arc Practice to find the best length and speed of stroke Adjust the Spray Pattern 1 To adjust the spray pattern direction relieve pres sure Loosen the tip guard retaining nut B Rotate the tip guard as necessary to achieve a vertical or horizontal spray pattern See FIG 3 Tighten the nut The spray tip orifice and spray angle determines the coverage and size of pattern When more coverage is needed use a larger spray tip rather than increas ing fluid pressure NOTICE Openings in the tip guard reduce material buildup on the guard while spraying Damage to the sharp edges of the openings causes material to collect in the dam aged area To prevent this never hang the gun by the tip guard ti19267a FIG 3 2 With SwitchTip 8 and tip guard 9 removed start the pump Flush the pump according to the instruc tions supplied with it Use the lowest pressure possi ble 3 Prime the system with the material 4 Relieve pressure 5 Install the SwitchTip 8 and tip guard 9 See FIG 2 6 Start the pump Trigger the gun onto test paper Adjust the fluid pressure until the spray is com pletely atomized Use the lowest pressure neces sary to get the desired results Higher pressure may not improve the spray pattern and will cause prema ture tip and pump wear 7 If adjusting the pressure does not give a good spray pattern relieve pressure and try another tip size
9. ant treatment information should an injection injury occur Additional cards part no 222385 are available at no charge from Graco System Requirements Pressure drain valves are recommended in the system they assist in relieving fluid pressure in the displacement pump hose and gun in the event that the gun is clogged and triggering the gun does not relieve all pressure Ground the System The equipment must be grounded to reduce the risk of static sparking Static sparking can cause fumes to ignite or explode Grounding provides an escape wire for the electric current Ground the pump and all other equipment used or located in the spray area Check your local electrical code for detailed grounding instructions for your area and type of equipment Follow the grounding instruc tions provided in your pump or sprayer manual Ground the gun through connection to a properly grounded fluid hose and pump or sprayer Gun Trigger Lock 1 To engage the gun trigger lock rotate the lock so it is perpendicular to the gun body See FIG 1 2 To disengage the gun trigger lock push the lock out and rotate it so it is parallel with the gun body See FIG 1 3A2799A Operation Pressure Relief Procedure Follow the Pressure Relief Procedure whenever you see this symbol This equipment stays pressurized until pressure is manually relieved To help prevent serious injury from pressurized fluid such as skin injection spl
10. ashing fluid and moving parts follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing the equipment 1 Engage the gun trigger lock 2 Shut off power to the pump 3 Disengage the gun trigger lock 4 Hold a metal part of the gun firmly to a grounded metal pail Trigger the gun to relieve pressure 5 Engage the gun trigger lock 6 Open the system drain valve having a container ready to catch the drainage Observe the pressure gauge The gauge reads 0 psi bar when fully drained Close the system drain valve 7 If you suspect that the spray tip or hose is com pletely clogged or that pressure has not been fully relieved after following the previous steps very slowly loosen the tip guard retaining nut or hose end coupling to relieve pressure gradually Clean the tip or hose obstruction ti19265a D Locked Unlocked FIG 1 Trigger Lock Positions Operation Operation To reduce the risk of component rupture and serious injury including fluid injection do not exceed the gun s 7250 psi 500 bar 50 MPa maximum working pressure or the maximum working pressure of lowest rated component in the system FIG 2 1 Connect a fluid hose A to the gun inlet Use high pressure swivel 207946 if desired order sepa rately See Fig 2 8 Use a full open full close trigger action Hold the gun about 14 in 850 mm from and at right angles to the work surf
11. ct information available at the time of publication Graco reserves the right to make changes at any time without notice For patent information see www graco com patents Original instructions This manual contains English MM 3A2799 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2012 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com
12. dB A Sound Power Level 0 0 000 eee eee 93 dB A Wetted Parts 0 0000 c eee eee Tungsten carbide 17 4PH passivated stainless steel polypropylene polyethylene Sound pressure measured 3 3 feet 1 meter from equipment Sound power measured per ISO 9614 2 3A2799A 15 Graco Standard Warranty Graco warrants all equipment referenced in this document which is 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 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 substitution 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
13. e gun Disassembly for Repair or Cleaning NOTE If replacing only the needle and seat step 4 and 5 are not required However removing them allows you to clean the gun more thoroughly 1 Relieve pressure 2 Disconnect the fluid hose A and swivel if used Remove the tip guard 9 Unscrew the spring screw 21 about 1 4 in 7 mm to release spring tension See FIG 5 Swivel A FIG 5 3A2799A Service 3 Unscrew the valve seat 2a Remove the gasket 2b See FIG 6 ti19270a FIG 6 4 Remove one e clip 26 then push the pin 18 out of the gun Remove the screw 13 pivot pin 23 and trigger 24 See FIG 7 ti19271a FIG 7 Service 5 Loosen the setscrew 15 then remove the fluid 8 Clean all parts and cavities thoroughly with a com housing 22 from the gun body 1 See FIG 8 patible flushing fluid Dry with a rag or compressed air Replace any parts that are worn or damaged Reassembly 1 Lightly grease the inner cavities of the fluid housing 22 Install the small seal 2e so the lips face into the fluid housing cavity Install the seal retainer 2d and torque to 30 40 in Ib 3 4 4 5 Nem See Fic 11 ti19272a pee FIG 8 2e 6 While supporting the spring guide 16 to prevent bending the needle 2c loosen the setscrews 17 then remove the spring guide 16 See FIG 9 22 ti19276a Fic 11 2 Lightly grease the small end of the needle 2c then
14. e trigger pin 18 Slide gun Start and prime the pump the pin through lower trigger holes and through the slot B in the spring guide 16 turn the spring 2 Release the gun trigger lock Trigger the gun into a guide to align as needed Install the other waste container until fluid dispenses Release the e clip 26 onto pin See FIG 17 trigger to be sure the gun immediately stops spray ing and that there are no leaks in any gun connec tions 3 Lock the gun trigger lock 4 Install the tip guard 9 before regular use See FIG 19 ti19271a FIG 17 ti19264a 8 If it was removed install the spring tension screw 21 at the rear of the gun Then turn the screw in until it stops See FIG 18 21 ti19281a FIG 18 12 3A2799A Parts Ref Part 1 2 237260 2a 2b 2c 2d 2e 8 XHD429 9 XHDOO1 13 203953 15 102207 16 189960 17 112729 18 189958 19 112727 8A2799A Description BODY gun KIT needle and seat SEAT valve GASKET NEEDLE RETAINER seal SEAL SwitchTip size 429 KIT RAC Guard SCREW hex head 10 24 SETSCREW 1 4 20 GUIDE spring SETSCREW socket head PIN trigger SPRING ti19282a A Must install as shown with the notch on the bottom 9 lt R r CN re re E E ree E Crees Cree Cees Crees Cres ee Ref Part 20 189990 21 110637 22 16P780 23 187965 24 189974 25 235468 26 112410 28A 187987 294A 222385 Description A
15. ions may void agency approvals and create safety hazards Make sure all equipment is rated and approved for the environment in which you are using it Use equipment only for its intended purpose Call your distributor for information Route hoses and cables away from traffic areas sharp edges moving parts and hot surfaces Do not kink or over bend hoses or use hoses to pull equipment Keep children and animals away from work area Comply with all applicable safety regulations RECOIL HAZARD Gun may recoil when triggered If you are not standing securely you could fall and be seriously injured TOXIC FLUID OR FUMES HAZARD Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed e Read MSDSs to know the specific hazards of the fluids you are using e Store hazardous fluid in approved containers and dispose of it according to applicable guidelines PERSONAL PROTECTIVE EQUIPMENT Wear appropriate protective equipment when in the work area to help prevent serious injury including eye injury hearing loss inhalation of toxic fumes and burns This protective equipment includes but is not limited to e Protective eyewear and hearing protection e Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer 3A2799A Operation Keep the wallet sized warning card provided with this gun with the operator at all times The card contains import
16. se 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 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 reconnaissent 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 proc dures 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 to identify the nearest distributor Phone 612 623 6921 or Toll Free 1 800 328 0211 Fax 612 378 3505 All written and visual data contained in this document reflects the latest produ
17. ts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual or on warning labels refer back to these Warnings Product specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable SKIN INJECTION HAZARD High pressure fluid from gun hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation Get immediate surgical treatment e Do not spray without tip guard and trigger guard installed Engage trigger lock when not spraying Do not point gun at anyone or at any part of the body Do not put your hand over the spray tip Do not stop or deflect leaks with your hand body glove or rag Follow the Pressure Relief Procedure when you stop spraying and before cleaning checking or servicing equipment Tighten all fluid connections before operating the equipment Check hoses and couplings daily Replace worn or damaged parts immediately FIRE AND EXPLOSION HAZARD Flammable fumes such as solvent and paint fumes in work area can ignite or explode To help prevent fire and explosion Use equipment only in well ventilated area Eliminate all ignition sources such as pilot lights cigarettes portable electric lamps and plastic drop cloths potential static arc Keep work area free of debris including solvent rags and gasoline
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