Graco 312476B User's Manual
Contents
1. Instructions X 7 GRACO Pole Gun with CleanShot Shut Off Valve and Contractor In line Valve 312476B For the application of architectural paints and coatings 3600 psi 248 bar 24 8 MPa Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these instructions Model 289386 Series A North America With 3 ft 0 9 m extension 244163 dC WARNING HIGH PRESSURE Keep Clear of Nozzle Read these instructions carefully ti10698a PROVEN QUALITY LEADING TECHNOLOGY GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 Copyright 2002 Graco Inc is registered to I S EN ISO 9001 Symbols Warning Symbol Caution Symbol This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions or destruction of equipment if you do not follow the instructions The wallet sized warning card provided with this pole gun should be kept with the operator at all times The card contains important treatment information should a fluid injection injury occur Additional cards are available at no charge from Graco Inc WARNING SKIN INJECTION HAZARD Spray from the spray tip hose leaks or ruptured components can inject fluid into your body and cause extremely serious injury including the need for amputation Splashing fluid in the eyes or on the skin ca2. HOUSING fluid Europe RETAINER guard HANDLE gun North America Europe HANDLE gun Asia PACKING o ring STUD trigger NUT lock hex WARNING CARD not shown COVER warning Qty LA 7 A Il l l l cl c ND PO Ref No 30 31 31a 31b 31c 31d 31e 31f 31g 31h 31i 31j 31k 324 33 34 35 35a 35b 35c 35d 36 400 410 Part No 237859 244162 221515 162863 120190 244363 245687 244163 244164 Description RAC IV 5 Hand Tite Guard 7 8 in 22 mm thread KIT CleanShot repair includes parts 31a 31k SEAT valve GASKET RETAINER ball DAMPENER spring SPRING compression GUIDE spring SEAL u cup PACKING o ring RETAINER u cup CAP end u cup KNOB valve TIP spray 515 0 015 in 0 381mm Qty 4 4 4 4 4 4 4 4 4 4 4 4 4 orafice 10 12 in 254 304 8 mm fan GASKET non metallic PACKING o ring KIT swivel repair includes 35a 35d SWIVEL inlet assembly NUT cap PACKING o ring PACKING o ring KIT Valve body 3 FOOT POLE 6 FOOT POLE 4 2 2 A N a A Replacement Danger and Warning labels tags and cards are available at no cost Keep these spare parts on hand to reduce down time Part number provided for reference only Not available as a replace ment part 312476 15 Technical Data Maximum fluid working pressure 3600 p
3. 5 Operation Cleaning the Filter Fig 6 Clean the filter assembly 5 daily as follows 1 Follow Pressure Relief Procedure on page 4 2 Push up on the trigger guard 3 and swing it away from the trigger 2 3 Unscrew the gun handle 13 from the housing 11 Remove the filter and clean it in compatible solvent 4 Apply lithium base grease to the threads of the gun handle 13 and reassemble gun Fig 6 312476 9 Service Changing the Needle Fig 7 NOTE Needle C diffuser seat A gasket B and locknut D must be replaced together They are in cluded in Repair Kit 218070 11 Disassembly 1 Follow Pressure Relief Procedure on page 4 2 Remove tip guard assembly 3 Squeeze trigger while unscrewing diffuser seat A and gasket B 4 Remove locknut D and bracket 10 5 Tap rear of gun with a plastic mallet to push needle assembly out front Reassembly 1 Guide threaded end of needle assembly into front of gun 10 312476 2 Install bracket 10 and locknut D loosely on threaded end of needle C Squeeze trigger to pull needle assembly C into gun body 11 Tighten locknut D as required to install needle C Squeeze trigger while installing gasket B and diffuser seat A Torque diffuser seat to 26 32 ft lb 35 43 Nem If gun handle 13 was removed hand tighten into fluid housing 11 It should fit easily Adjust needle before using gun Be su
4. HAZARD Equipment misuse can cause the equipment to rupture malfunction or start unexpectedly and result instructions IN Serious injury O 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 uncertain about the usage call your distributor Do not alter or modify this equipment Use only genuine Graco parts and accessories Check the equipment daily Repair or replace worn or damaged parts immediately Do not exceed the maximum working pressure of the lowest rated system component This equip ment has a 3600 psi 25 MPa 248 bar maximum working pressure Route the hoses away from the traffic areas sharp edges moving parts and hot surfaces Do not expose Graco hoses to temperatures above 150 F 65 C or below 40 F 40 C Do not use the hoses to pull the equipment Use fluids or solvents that are compatible with the equipment wetted parts See the Technical Data section of all the equipment manuals Read the fluid and solvent manufacturer s warnings Fluid hoses must have spring guards on both ends to protect them from rupture caused by kinks or bends near the couplings Comply with all applicable local state and national fire electrical and other safety regulations Wear hearing protection when operating this equipment HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCAR
5. air compressor or hydraulic power supply according to the local electrical code and the manufacturer s recommendations Use electrically conductive fluid hoses with a maximum combined hose length of 500 feet 150 m to ensure grounding continuity Ground the pole gun by connecting it to a properly grounded fluid hose and pump or sprayer Ground the fluid supply container object being sprayed all solvent pails used when flushing according to the local electrical code Use only metal pails which are conductive Do not place the pail on a non conductive surface such as paper or cardboard which interrupts the grounding continu ity To maintain grounding continuity when flush ing or relieving pressure always hold a metal part of the pole gun firmly to the side of a grounded metal pail then trigger the in line valve 312476 5 Operation 44 WARNING INJECTION HAZARD To reduce the risk of a fluid injection injury do not operate the pole gun with the tip guard or trigger guard removed In Line Gun Trigger Safety Lever For SAFETY ON position rotate trigger safety lever so it is in line with trigger For SAFETY OFF position flip safety lever so it is 90 to trigger Fig 1 NOTE Inthe SAFETY ON position the lever sits ina detent which holds it in place Iri SAFETY ON SAFETY OFF Fig 1 Using the CleanShot Shut Off Valve The CleanShot Shut Off Valve provides two settings SPRAY and FLUSH The va
6. 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 TO PLACE AN ORDER contact your Graco distributor or call this number to identify the distributor closest to you 1 800 690 2894 Toll Free All written and visual data contained in this document reflect the latest product information available at the time of publication Graco reserves the right to make changes at any time without notice mm 312476 This manual contains English Graco Headquarters Minneapolis International Offices Belgium Korea China Japan GRACO INC P O BOX 1441 MINNEAPOLIS MN 55440 1441 www graco com Revised 06 2009 18 312476
7. to retainer guard 12 312476 11 Notes 12 312476 Parts Model 289385 CleanShot Shut Off Valve Model 244161 Contractor In line Valve North America Model 244364 Contractor In line Valve Europe Model 244365 Contractor In line Valve Asia 30 included in Se kit 221515 Page 14 ti10697a 312476 13 14 CleanShot Repair Kit 244162 31 Swivel Repair Kit 244363 35 Valve Body Repair Kit 245687 36 31a Torque 26 32 ft lb 31b 35d 35c o sso Torque 55 60 in Ib 36 Valve Body Kit must be purchased separately ti0947 312476 Parts List Model 289385 CleanShot Shut Off Valve Model 244161 Contractor In line Valve North America Model 244364 Contractor In line Valve Europe Model 244365 Contractor In line Valve Asia Ref No 1 2 3 4 5 5a 5b 5c 5d 6 7 8 10 11 12 13 14 19 20 21A 23A Part No 218070 244193 196869 238817 218131 179722 179731 179763 179750 179733 107110 197052 197058 197568 196828 113409 195788 243393 104938 177538 105334 222385 187348 Description NEEDLE DIFFUSER SEAT KIT TRIGGER gun inline GUARD trigger KIT swivel 1 FLUID FILTER ASSEMBLY standard 50 mesh includes replacement parts 5a 5b 5c 5d RETAINER spring ELEMENT strainer SPRING compression RETAINER spring SEAL sleeve LOCKNUT ADAPTER RAC BRACKET stem HOUSING fluid locking North America Asia
8. 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 acknowledge that they have required that the present
9. BONS Never use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents in this equipment Such use could result in a serious chemical reaction with the possibility of explosion which could cause death serious injury and or substantial property dam age Consult your fluid suppliers to ensure that the fluids being used are compatible with aluminum and zinc parts 312476 3 Installation Installation 1 Connect grounded fluid hose to the Contractor In line valve 2 Connect 3 ft extension to in line valve Use a wrench to tighten 3 Connect the CleanShot Shut off Valve Use a wrench to tighten NOTE Be sure seals 33 and 34 are in place in the in line valve and shut off valve before connecting the extension Page 13 4 Without the spray tip installed start sprayer turn the knob on the CleanShot Shut Off Valve count er clockwise to the flush position flush and prime according to sprayer instructions NOTE The Contractor In line valve can be used as an airless spray gun by attaching a HandTite Guard and RAC IV Switch Tip Relieve the pressure 5 AN following the Pressure Relief Procedure below Pressure Relief Procedure 44 WARNING INJECTION HAZARD To reduce the risk of serious injury including fluid injection splashing in the eyes or on skin or injury from moving parts always follow this procedure when you stop spraying check or se
10. g A WARNING INJECTION HAZARD To reduce risk of an injection or splashing fluid in eyes or on skin follow these precautions before you remove clean or change a spray tip or tip guard e Do not hold your hand body or rag in front of spray tip when cleaning or checking clogged tip Always point tip toward ground or into waste container when checking to see if it is cleared Do not try to blow back paint this is NOT an air spray system Follow Pressure Relief Procedure on page 4 before you wipe fluid buildup off spray tip before you remove tip guard or spray tip and whenever you are instructed to relieve the pressure 312476 7 Operation Flushing the CleanShot Shut Off Valve Rotate the spray valve knob counter clockwise to the flush position see Using the CleanShot Shut Off Valve on page 6 and follow the Flushing the In Line Gun procedure below Flushing the Contractor In Line Gun Always flush the in line valve thoroughly when you stop spraying for the day and before the fluid being sprayed can dry or set up in the system A WARNING FIRE AND EXPLOSION HAZARD To reduce the risk of a serious injury from fluid injection static sparking or splashing fluid in the eyes on or the skin follow these precautions when flushing Be sure entire system and flushing pails are properly grounded See Electrical Grounding on page 5 Remove spray tip Use lowest possible fluid pressure Maintai
11. lve is factory set to the SPRAY position for spraying at pressures above 700 psi 4 8 MPa 48 bar Rotate the valve knob counter clockwise to the FLUSH position for flushing cleaning priming and relieving pressure The FLUSH position is also used for low pressure spraying applications below 1000 psi 6 9 MPa 69 bar Fig 2 TI0687 Fig 2 6 312476 Startup 1 Start pump Adjust fluid pressure so spray is completely atomized Always use lowest pressure that gets desired results Higher pressure may not improve spray pattern and causes premature tip and pump wear NOTE The spray tip orifice size and spray angle determine the coverage and size of the pattern When more coverage is needed use a larger spray tip rather than increasing the fluid pressure before you change the A Ba 2 spray tip 3 Use full open full close trigger action Hold tip at a right angle to the work surface about 14 inches 350 mm away Do not swing pole gun in arcs Practice to find the best length and speed of stroke If adjusting the pressure does not give a good spray pattern try another size tip Relieve the pressure Operation Changing Spray Pattern Orientation To reduce the risk of a fluid injection injury never spray without the tip guard The orientation of the tip guard indicates the orienta tion of the spray pattern 1 Put in line gun trigger safety lever in SAFETY ON position Fig 1 2 Turn the tip gua
12. m moving parts if you are adjusting or repairing the pump or pole gun e The bleed type master air valve air powered pumps only relieves air trapped between the valve and pump after the air regulator is shut off Trapped air can cause the pump to cycle unexpect edly e The fluid drain valve assists in relieving fluid pres sure in the displacement pump hose and pole gun Triggering the in line valve to relieve pressure may not be sufficient Installation Electrical Grounding A WARNING FIRE AND EXPLOSION HAZARD Improper grounding could cause static sparking which could cause a fire or explosion To reduce the risk of property damage or serious injury follow the grounding instructions below Read and follow the warnings in Fire and Explosion Hazard on page 3 Provide electrical grounding continuity throughout the entire spray system as instructed below Have a trained and qualified person perform all electrical wiring Comply with all applicable local state and national fire electrical and other regulations The following grounding instructions are minimum require ments for a system Your system may include other equip ment or objects that must be grounded Check your local electrical code for detailed grounding instructions for your area and type of equipment Your system must be connected to a true earth ground e Ground the pump or sprayer as instructed in its separate manual Ground the
13. n also cause 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 spray tip at anyone or any part of the body Do not put hand or fingers over the spray tip and do not stop or deflect fluid leaks with your hand body glove or rag Do not blow back fluid this is not an air spray system Always have the tip guard and the trigger guard on the in line valve when spraying Be sure the trigger safety lever operates before operating the in line valve Lock the trigger safety lever when you stop spraying Follow the Pressure Relief Procedure on page 4 when you are instructed to relieve pressure stop spraying check clean or service any system equipment or install or change spray tips Tighten all fluid connections before each use Check the hoses tubes and couplings daily Replace worn or damaged parts immediately Perma nently coupled hoses cannot be repaired Handle and route hoses and tubes carefully Keep hoses and tubes away from moving parts and hot surfaces Do not use the hoses to pull equipment Do not expose Graco hoses to temperatures above 150 F 65 C or below 40 F 40 C TOXIC FLUID HAZARD Hazardous fluids or toxic fumes can cause a serious injury or death if the fluid is swallowed or splashed in the eyes or on the skin or if the fumes are inhaled Know the specific hazards of the fluid you a
14. n firm metal to metal contact between pole gun and pail during flushing Follow the Pressure Relief Procedure on page 4 whenever you are instructed to relieve pressure 1 Use a solvent that is compatible with wetted parts of pole gun rest of system and material being sprayed 2 Follow flushing instructions for your spray system or pump 8 312476 3 If flushing with water flush last with a rust inhibitor or Graco Pump Armor to protect the system from corrosion 4 If necessary disassemble pole gun and clean all passages thoroughly with a soft bristled brush 44 CAUTION Do not soak the entire in line valve in solvent Prolonged exposure to solvent can ruin the packings Checking the Gun Diffuser Operation Check the diffuser operation weekly The gun diffuser seat A breaks up spray and reduces the risk of fluid injection when the tip is not installed Perform the test below If it fails replace the entire Needle Kit Part No 218070 Diffuser seats are not sold separately since the gun will leak if an old needle is used with a new diffuser seat 1 Follow Pressure Relief Procedure on page 4 2 Remove the tip guard and spray tip 3 Start the sprayer and adjust it to the lowest pres sure 4 Aim the gun into a grounded metal pail while holding it firmly to the pail Trigger the gun If the fluid emitted is not diffused into an irregular stream replace the entire needle kit immediately Fig
15. om 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 Ifinspection 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
16. rd by hand to change the orienta tion Fig 3 NOTE You may have to loosen the retaining nut to turn the tip guard by hand P pe P tip guard ti10699a Spraying a Spraying a vertical band horizontal band Fig 3 44 CAUTION The openings in the tip guard are designed to reduce paint buildup on the guard while spraying Any damage to the sharp edges of the openings causes paint to collect at that area To avoid damaging the tip guard do not hang the pole gun by the tip guard Clearing a Clogged Spray Tip Frequently during the job and at the end of each workday relieve the pressure and manually clean the tip with a solvent soaked brush Frequent cleaning helps keep fluid buildup from drying and clogging the spray tip ti10700a Fig 4 Use the Reversible Spray Tip to quickly clear clogs as follows 1 Put in line gun trigger safety lever in SAFETY ON position Fig 1 2 Rotate arrow shaped handle Fig 4 to UNCLOG position 3 Put in line valve trigger safety lever in SAFETY OFF position and trigger in line valve into pail or onto ground to remove clog Fig 1 4 Put in line valve trigger safety lever in SAFETY ON position Fig 1 and rotate arrow shaped han dle Fig 4 to SPRAY position If spray tip is still clogged relieve the pressure by following the Pressure Relief Procedure on page 4 and manually clean it To reduce tip clogs strain the fluid you are sprayin
17. re trigger guard and tip guard are installed before using gun Adjusting the Needle Fig 7 1 2 3 Engage gun safety latch Hold gun with nozzle straight up Remove trigger guard 3 Fig 6 Hold your finger against trigger with light pressure Using a 5 16 in open ended wrench turn locknut D clockwise until you feel trigger depress slightly Turn adjusting nut 3 4 turn counter clockwise Connect fluid hose Install tip guard and prime the system Trigger gun and release it The fluid flow should stop immediately Engage safety latch and try to trigger gun No fluid should flow If the gun fails either test relieve pressure disconnect hose and readjust needle Service Replacing the Swivel Fig 8 Disassembly 1 Follow Pressure Relief Procedure on page 4 2 Push up on trigger guard 3 and rotate trigger guard away from trigger 2 3 Unscrew gun handle 13 from housing 11 Remove filter 5 and clean in compatible solvent 4 Remove swivel 4 guard retainer 12 and cush ion o ring 14 5 Save guard retainer 12 and cushion o ring 14 Reassembly 1 Clean internal thread of handle 13 2 Install guard retainer 12 cushion o ring 14 and swivel 4 3 Apply PST pipe seal included in Swivel Kit 238817 to external thread of swivel 4 that con nects to handle 13 Fig 8 4 Install swivel 4 into handle 13 Torque swivel to 250 in Ib 5 Engage trigger guard 3
18. re using Store hazardous fluid in an approved container Dispose hazardous fluid according to all local state and national guidelines Dress appropriately for your application Wear protective eyewear noise protection for the ears a personal respirator gloves and clothing RECOIL HAZARD Due to the high pressure fluid emitted a strong recoil action may occur when you trigger the pole gun If you are unprepared your hand could be forced back toward your body or you could lose your bal ance and fall resulting in serious injury 44 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 Ground the equipment and the object being sprayed See Electrical Grounding on page 5 Provide fresh air ventilation to avoid the buildup of flammable fumes from solvent or the fluid being sprayed Extinguish all the open flames or pilot lights in the spray area Electrically disconnect all the equipment in the spray area Keep the spray area free of debris including solvent rags and gasoline Do not turn on or off any light switch in the spray area while operating or if fumes are present Do not smoke in the spray area Do not operate a gasoline engine in the spray area If there is any static sparking while using the equipment stop spraying immediately Identify and correct the problem EQUIPMENT MISUSE
19. rvice any part of spray system or install clean or change the spray tip 1 Put in line valve trigger safety lever in SAFETY ON position Fig 1 2 Shut off power supply to pump Open all air bleed valves in system 3 Put in line valve trigger safety lever in SAFETY OFF position Fig 1 4 312476 4 Rotate the spray valve knob counter clockwise to the out flush position Fig 2 5 Hold metal part of pole gun firmly to side of groun ded metal waste container Trigger in line valve to relieve pressure 6 Putin line valve trigger safety lever in SAFETY ON position Fig 1 7 Open pump drain valve to help relieve fluid pres sure in pump hose and pole gun Triggering in line valve to relieve pressure may not be sufficient Have container ready to catch drainage 8 Leave drain valve open until you are ready to spray again If you suspect that the spray tip or hose is completely clogged or that pressure has not been fully relieved after following the steps above VERY SLOWLY loosen the tip guard retaining nut Fig 3 or hose end coupling and relieve pressure gradually then loosen completely Then clear tip or hose obstruction 9 Install spray tip Required Accessories A WARNING INJECTION HAZARD La Your spray system must have a bleed type master air valve and a fluid drain valve They help reduce the risk of seri ous injury including fluid injection splashing in the eyes or on the skin or injury fro
20. si 25 MPa 248 bar Gun fluid inlet Size 2 tarte ra Ae RE eA ards Fale ee Sle ed epe D eee 1 4 npsm Gun fluid outlet SiZe rt fun Linie erbe li le gue REPRE teed teed INE ar ee 7 8 14 unf CleanShot fluid orifice size 0 090 in 3 175 mm dia Inline valve fluid valve orifice size 0 125 in 2 286 mm dia Wetted parts UHMWPE aluminum tungsten carbide stainless steel PTFE brass Maximum material temperature 120 F 50 C Weight Model 287023 287026 287028 2 76 lb 1 03 kg Model 287024 287027 287029 3 5 Ib 1 3 kg Sound data Sound pressure leva eiii Harris ads DERNIERE ee ner eds len dede P BEES 78 dB A sound power level RED ds 87 dB A Measured while spraying waterbase paint specific gravity 1 36 through a 517 tip at 3 000 psi 21 MPa 207 bar per ISO 3744 Actual sound levels may vary with length of extension used 16 312476 Notes 312476 17 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 will for a period of twelve months fr
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