Graco 3A0590G User's Manual
Contents
1. A side solvent flush inlet N Ia AS Solvent Fluid Inlet Quickset model IM VRBIS B side flow after check Carbide valve Check Valve on each side Bl Mixed material Fic 2 Cross Section Side Views of A and B Flow 3A0590G r 258987 380420 3a 1 A Side Material Overview The resin and hardener enter the mix manifold through the manifold inlet ports and spring loaded carbide ball checks The A material flows through the manifold to the material outlet port The injector tube creates a hollow stream of A material for the B material to fill once the hardener exits the injector tube The resin and hardener material mix after they have left the mix manifold block B When the manifold is mounted remote from the propor tioner adjust the B side restrictor F to balance the sys tem back pressure and flow On the standard mix manifold mixed material is flushed out by sending a flush solvent through the B side center tube On the quickset mix manifold solvent is also flushed across the A side fluid check valve B Side of Mix Manifold B Inlet Ball Valve B side solvent ii 4 flush inlet after JN N restrictor Used on Hal D 4th2. 27 Graco Standard Warranty 28 3A0590G Warnings Warnings The following warnings are for the setup use grounding maintenance and repair of this equipment The exclama tion point symbol alerts you to a general warning and the hazard symbols refer to procedure specific risks When these symbols appear in the body of this manual 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 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 DE j 15 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 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 fthere is static sparking or you feel a shock stop operation immediately Do not use equipment until you identify and correct the problem Keep a working fire extinguisher in the work area
3. Key A A Resin High Volume Inlet A material E B Hardener Low Volume Inlet B material C Solvent Inlet Valve 1 4 npt m D D Manifold gt F E Dual Shutoff Handle F Hardener Restrictor Adjustment P e G Hardener Center Inject Tube not shown inside outlet H R H Mix Manifold Outlet 1 2 npt f with 3 8 npt m adapter J Static Mix Housing S C K Fluid Whip Hose G H L Airless Spray Gun 1 M Static Mixing Element not shown inside J J Mx N Fluid Mix Hose P Accessory Ports see Accessory Ports page 26 i R B Side Flush Inlet Check Valve S A Side Check Valve Cartridge B side not shown _ J Me T A Side Solvent Inlet Valve Quickset Manifold U A Side Solvent Check Valve Quickset Manifold Not included with mix manifold See Parts starting a Me on page 22 ae A K ti19003a Quickset Manifold ti18954a FIG 1 Typical Installation 8 3A0590G Overview The left side of the mix manifold is intended for the major volume material or the higher viscosity material if using a 1 1 volume mix This side is referred to throughout the manual as the resin side or A side The right side is referred to as the Hardener side or B side The B side incorporates an adjustable restrictor for balancing the system back pressure and flow See FIG 2 to view flow of A and B material inside the Mix Manifold A Side of Mix Manifold A Inlet Ball Valve
4. P3 A n P5 IB Ij r 258987 3a0590 9a FiG 4 Accessory Ports 3A0590G Technical Data Technical Data Mix Manifolds US Metric Maximum A B and mix working pressure 7250 psi 50 MPa 500 bar Maximum fluid temperature 160 F 71 C Fluid inlet 1 2 npt f ball valves Fluid outlet 1 2 npt f with 3 8 npt m adapter nipple Solvent inlet valve 1 4 npt m Maximum working pressure at solvent inlet 5000 psi 34 5 MPa 345 bar Wetted parts Manifold block and internal parts 302 and 303 stainless steel PTFE tungsten carbide elec troless nickel plated steel zinc plated steel UHMWPE Flush valves and fittings 3A0590G 440 stainless steel plated carbon steel hardened alloy steel acetal PTFE aluminum 27 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 Gr
5. Important Two Component Material Information Isocyanate Conditions Spraying or dispensing materials containing isocyanates creates potentially harmful mists vapors and atomized particulates Read material manufacturer s warnings and material MSDS to know specific hazards and precautions related to isocyanates Prevent inhalation of isocyanate mists vapors and atomized particulates by providing sufficient ventilation in the work area If sufficient ventilation is not available a supplied air respirator is required for everyone in the work area To prevent contact with isocyanates appropriate personal protective equipment including chemically impermeable gloves boots aprons and goggles is also required for everyone in the work area Material Self ignition uw Some materials may become self igniting if applied too thick Read material manufacturer s warnings and material MSDS Keep Components A and B Separate uH Cross contamination can result in cured material in fluid lines which could cause serious injury or damage equipment To prevent cross contamination of the equipment s wetted parts never interchange component A isocyanate and component B resin parts Moisture Sensitivity of Isocyanates Isocyanates ISO are catalysts used in two component foam and polyurea coatings ISO will react with moisture such as humidity
6. A both models E IL DS LE r_258987_3a0420_2a is B Side Material Installation Installation For assistance in setting up a plural component sprayer contact your Graco distributor to ensure that you select the proper type and size equipment for your system See illustration in FIG 1 on page 8 Fluid Inlets The A and B fluid inlets A and B are equipped with 1 2 npt f ball valves Connect 1 2 in 3 8 in or 1 4 in npsm f fluid hoses with adapter nipples as needed See brochure 339361 for high pressure hose and fitting part numbers NOTE If the manifold is remote the hoses must be properly sized and balanced See Volume Balancing the Mix Manifold on page 15 for more remote setup information Solvent Inlet Connect the solvent supply line D from the solvent pump to the 1 4 npt m solvent inlet valve C or inlet tee on the Quickset model NOTE Use a Graco approved grounded hose rated to withstand the maximum fluid working pressure of the solvent pump The hose core must be chemi cally compatible with the solvent being used such as nylon or PTFE 10 Fluid Outlet Connect the outlet to two primary static mixer tubes J with mixer elements M to the mix hose N cleanup mixer J whip hose K and spray gun L To prevent creating a flare on the mixer tube do not use a union swivel end on the mix tube inlet Add mixed material h
7. D o ring 2b from housing 2a Follow pressure relief procedure when you stop spraying or dispensing and before cleaning checking servicing or transporting equipment NOTICE Be sure to label all fluid parts resin or hardener when disassembling them Doing so prevents inter changing resin and hardener parts during reassem bly and prevents contamination of the materials and fluid path through the equipment Color coded chemically resistant tape may be used to label the parts Use blue for resin and green for hardener Cartridge Assemblies 6 Inspect parts for damage and replace as necessary 7 Assemble parts in reverse order from steps above Press the assembly against a flat clean surface until 2 Useawrench to remove the cartridge assemblies seal 2f snaps into place on the end of housing 2 from the manifold 2a The seal 2f will hold the spring 2c ball 2d seat 2e and o ring 2b in place during assembly 1 Follow Pressure Relief Procedure page 12 3 Use a 90 allen wrench to pop the seat 2e and seal 2f out of the housing or tap them out from the 8 Apply lubricant to o ring 2b and end seal 2f A and B inlet side 9 Apply anaerobic sealant to external threads of car NOTE Seat retainer seal 2f normally splits into two tridge pieces when it is fully torqued into the housing The lip is meant to retain the seat spring and ball duri
8. valve check includes items 2a 2f HOUSING check valve O RING PTFE white SPRING check valve BALL SEAT foot valve SEAL retainer PLUG pipe 1 4 npt TUBE injector hardener PIPE outlet mixer manifold FITTING nipple pipe reducing ELBOW street lapped UNION swivel 1 4 m x f VALVE ball solvent 1 4 18 npt see manual 306861 SEAT valve carbide SCREW set hollow 3 4 16 STEM valve O RING PTFE white O RING solvent resistant black NUT packing restrictor NUT jam hex UNION swivel 1 2 npt m x f VALVE ball 1 2 npt f see manual 306861 LEVER valve NIPPLE 1 2 14 npt VALVE check mxm 1 4 npt SCREW flange hex hd 1 4 20 x 1 2 in 12 7 mm TOOL restrictor COUPLING 1 4 npt x Provided in mix manifold repair kit 258992 See Repair Kits page 25 Not shown 1 Older models used mxf solvent check valves If replacing the mxf check valve 563210 with mxm check valve 32 you must also order coupling 51 3A0590G Qty sess Oe a N A db bb ND ND ES Parts 23 Parts 24M398 Quickset Mix Manifold A Apply lubricant to o rings and cartridge o ring and end seal A Apply taper thread pipe sealant to all non swiveling threads except cartridge 2 and needle 12 A Apply anaerobic sealant to external threads A Torque to 125 ft lbs 70 Nem A Turn stem fully into manifold Then back out two turns and lock in place A Large end of inside ta
9. 9 EQUIPMENT MISUSE HAZARD Le Misuse can cause death or serious injury 9 Do not operate the unit when fatigued or under the influence of drugs or alcohol Do not exceed the maximum working pressure or temperature rating of the lowest rated system component 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 manufacturer s replacement parts only Do not alter or modify equipment 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 3A0590G 3 Warnings SKIN INJECTION HAZARD N 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 injur
10. flush ing with the B side valve close the B side flush valve C and open the A side flush valve T Repeat step 7 until clean Turn off the solvent pump air supply Hold the metal part of the gun firmly to a grounded metal pail with lid in place Trigger the gun until all fluid pressure is relieved 13 Dispensing and Spraying 10 Engage the trigger lock ti1949a 11 Close solvent inlet valve C 12 Remove the gun from the hose See gun manual to further clean the gun Dispensing and Spraying 1 Close the solvent inlet valve C and A side solvent valve T if equipped E 2 Open the dual shutoff handle E To prevent damage to the valve balls and seats always fully open or fully close the dual shutoff han dle Also increase the fluid pressure after opening the ball valves to allow valves to last longer 3 Turn on sprayer See sprayer operation manual 14 4 Disengage the trigger lock ti1950a LA 5 Hold the metal part of the gun firmly to a grounded metal pail with a lid to avoid splashing Trigger the gun until mixed coating material is evident and purge solvent is gone ti1953a 6 Proceed spraying 3A0590G Volume Balancing the Mix Manifold Volume Balancing the Mix Manifold If the mix manifold is mounted on the machine you do not need to adjust the restrictor F Leave open two turns minimum When the manifold is remote two things
11. or fumes can cause serious injury or death if splashed in the eyes or on skin inhaled or swallowed Read MSDSs to know the specific hazards of the fluids you are using Store hazardous fluid in approved containers and dispose of it according to applicable guidelines Always wear chemically impermeable gloves when spraying dispensing or cleaning equipment 4 3A0590G Warnings PRESSURIZED ALUMINUM PARTS HAZARD Use of fluids that are incompatible with aluminum in pressurized equipment can cause serious chemical reaction and equipment rupture Failure to follow this warning can result in death serious injury or property damage e Do not use 1 1 1 trichloroethane methylene chloride other halogenated hydrocarbon solvents or fluids containing such solvents Many other fluids may contain chemicals that can react with aluminum Contact your material supplier for compatibility d O d VG 3A0590G PERSONAL PROTECTIVE EQUIPMENT You must wear appropriate protective equipment when operating servicing or when in the operating area of the equipment to help protect you from serious injury including eye injury hearing loss inhalation of toxic fumes and burns This equipment includes but is not limited to Protective eyewear and hearing protection Respirators protective clothing and gloves as recommended by the fluid and solvent manufacturer Important Two Component Material Information
12. previously noted position or two full turns and lock in place with lock nut 16 NOTE For high volume or high viscosity B side applications the restrictor parts can be replaced by a high pressure 3 4 npt plug 3A0590G Repair 3A0590G 21 Parts Parts 262807 Mix Manifold A Apply lubricant to o rings and cartridge o ring and end seal A Apply taper thread pipe sealant to all non swiveling threads except cartridge 2 and needle 12 A Apply anaerobic medium thread locker to external threads A Torque to 125 ft lbs 70 Nem A Turn stem fully into manifold Then back out two turns and lock in place A Large end of inside taper faces out A Push assembly hard against a flat surface to snap retainer seal 2f in place A Shipped loose Use when a mix manifold is replaced on a Series A XP Plural Component Sprayer NA t18943c L _ _ __ __ __ __ __ 258987 3a0590 3a 22 3A0590G 262807 Mix Manifold Ref No 1 2 2a 2b 2ck 2d 2ex 2f J O O1 BR 15 16 19 20 21 22 26f 28 50 51 Part No 24P869 258986 16D614 121138 15M530 116166 15A968 15K692 100721 15R378 15R067 159239 100840 156823 214037 183951 15R382 235205 110004 113137 15M969 110005 156684 262740 24M421 158491 501867 113161 126786 113093 Description BLOCK manifold mix CARTRIDGE
13. 2 Follow pressure relief procedure when you stop spraying or dispensing and before cleaning checking servicing or transporting equipment Relieve A and B Fluid Pressure 1 Engage the trigger lock 2 Turn off the sprayer 3 Close the bleed type master air valve 4 Open the dual shutoff handle E 5 Shut off fluid heaters if used on your sprayer 6 Shut off feed pumps if used 7 Disengage the trigger lock ti1950a 12 8 Hold a metal part of the gun firmly to a grounded metal pail Trigger the gun to relieve pressure ti1953a ti1949a ZA 10 Open all fluid drain valves in the system having a waste container ready to catch drainage Leave drain valves open until you are ready to spray again 11 If you suspect the spray tip or hose is clogged or that pressure has not been fully relieved after follow ing the steps above VERY SLOWLY loosen tip guard retaining nut or hose end coupling to relieve pressure gradually then loosen completely Clear hose or tip obstruction Trigger Lock Always engage the trigger lock when you stop spraying to prevent the gun from being triggered accidentally by hand or if dropped or bumped 3A0590G Flushing Be wa Read warnings and grounding instructions in your sprayer manual If your system uses heaters shut off the main power to the heaters and heated hose control before flushing To prevent fl
14. Instructions Parts G GRACO Mix Manifold me For mixing two component reactive materials with plural component sprayers For professional use only Approved for use in explosive atmospheres Part No 262807 Mix Manifold Single Flush Part No 24M398 Quickset Mix Manifold Dual Flush with Carriage Gauges and Static Mixers 7250 psi 50 MPa 500 bar Maximum Working Pressure 5000 psi 34 5 MPa 345 bar Maximum Flush Inlet Pressure 160 F 71 C Maximum Fluid Temperature Read all warnings and instructions in this manual Save these instructions e Important Safety Instructions 262807 24M398 ti19004a ti18954a 2 GCT5 C PROVEN QUALITY LEADING TECHNOLOGY Related Manuals Contents Related Manuals 2 Warnings 2 eee et bee ee eee 3 Important Two Component Material Information 6 Isocyanate Conditions 6 Material Self ignition 6 Keep Components A and B Separate 6 Moisture Sensitivity of Isocyanates 6 Foam Resins with 245 fa Blowing Agents 6 Changing Materials 7 A and B Component Designations 7 Component Identification 8 Overview 3 icine saines fie den 9 Installation lc ve aa ee eed eae 10 Fluid Inlets tox eho E nes 10 Solvent Inlet 10 El id Outlet 23a GA nate canne did Sateen secon 10 Mount
15. aco 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 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 n
16. ais 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 product 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 3A0590 Graco Headquarters Minneapolis International Offices Belgium China Japan Korea GRACO INC AND SUBSIDIARIES P O BOX 1441 MINNEAPOLIS MN 55440 1441 USA Copyright 2010 Graco Inc All Graco manufacturing locations are registered to ISO 9001 www graco com Revised June 2013
17. c Qty DD ND D D Ref No Part No 28 113161 29 262522 30 100840 31 114434 321 501867 33 121433 34 H42503 35 15R875 36 162453 37 157705 43 262478 44 248927 45 156173 46 114958 47 119400 48 15U654 49 158491 50 126786 51 113093 Repair Kits Description SCREW flange hex hd 1 4 20 x 1 2 in 12 7 mm CARRIAGE remote manifold ELBOW street GAUGE pressure fluid sst VALVE check mxm 1 4 npt BUSHING 1 2 x 3 8 7250 psi HOSE coupled 1 4 ID 3 ft TEE 1 4 m x f x f FITTING 1 4 npsm x 1 4 npt UNION swivel 1 4 m x 3 8 f HOUSING mixer MIXER 1 2 12 element bag of 25 UNION swivel 3 8 fbe STRAP tie SEALANT pipe sst LABEL identification A B NIPPLE 1 2 in npt TOOL restrictor COUPLING 1 4 npt x Provided in mix manifold repair kit 258992 See Repair Kits Not shown T Older models used mxf solvent check valves If replacing the mxf check valve 563210 with mxm check valve 32 you must also order coupling 51 217560 Flush Valve 9 Repair Kit 24M601 Inlet Ball Valve 20 Repair Kit Qty 2 ND PS MH NH NHN NN O1 25 Accessories Accessories 10 000 psi Fluid Pressure Gauge 2 5 in 114434 1 4 npt m back mount pressure gauge can be used in ports as gun pressure gauge 551387 1 4 npt bottom mount version High Pressure Hoses and Accessory Fittings See brochure 339361 for parts and accessories 262522 Remote Mix Man
18. e mixed material in the hoses and reduce flush solvent with the following restrictions e Only one mix manifold can be used on a propor tioner e Splitting flow to two or more guns can only be done after the two fluids are mixed NOTE This applies to applications that are not 1 1 ratio and don t have near balanced viscosities Balance the hoses inside area sizes in relation to the mix ratio by volume This is most important when the mix manifold gets close to the spray gun The proportioner will put out the two materials in the exact ratio by volume If the hose sizes are not balanced to the ratio one hose will always come up to pressure first This ratio error at the mix point can occur anytime that there is a change in pressure Balance the hose sizes by effective area not by inside diameter Area 3 1416 radius or see Table 1 NOTE For balancing purposes it is always assumed that the A side is the high volume side Table 1 Volume Ratio of A to B Hose Hose Selection Mix Ratio A x B Volume Ratio 1 1 1 2 x 1 2 1 0 1 3 8 x 3 8 1 5 1 2 1 1 2 x 3 8 1 78 1 2 1 3 8 x 1 4 2 25 1 2 5 1 3 8 x 1 4 2 25 1 3 1 4 1 1 2 x 1 4 4 0 1 Example At a 4 1 mix ratio a 1 2 in ID resin hose and a 1 4 in ID hardener hose matches the 4 1 volume ratio 15 Volume Balancing the Mix Manifold Use Table 2 and the examples provided to approximate how much pressure drop
19. ee Table 2 3A0590G Maintenance Clean Static Mixers See FIG 1 on page 8 Typically two static mixer hous ings are connected to the mix manifold outlet H These housings use plastic mix elements available in a pack age of 25 Part No 248927 Never use a swivel union on the mixer inlets The union will compress the tube and make it impossible to remove the mix element To clean the housing and replace the mix element 1 Relieve pressure see page 12 Remove mixer housings J from whip hose K 2 Place flats of mixer housing J in a grounded vise Push mix element P out of the inlet end 3 If necessary use a 1 2 in drill bit to drill out old material and the mix element from the inlet end down to the internal shoulder at the outlet end 4 Use a brush to clean any debris in housing J 5 Insert new mix element wide end first Clean B Side Screen NOTE The following instructions apply only when using the strainer accessory for low viscosity fluids See Accessories on page 26 1 Loosen swivels 19 and remove shutoff handle 21 and valves 20 See FIG 3 2 Remove B inlet union 19 from manifold block 1 3 Pull V screen 17 and retainer o ring 18 straight up and out with a needle nose pliers 4 Clean or replace screen 17 5 Reinstall screen 17 and o ring 18 with accessory tool 15T630 3A0590G Maintenance NOTE The o ring 18 is used as a retai
20. ial attention to avoid equipment dam age and downtime e Always clean the fluid inlet strainers after flushing e When changing between epoxies and urethanes or polyureas disassemble and clean all fluid compo nents and changes hose sets e Check with your material manufacturer for chemical compatibility e Most materials use ISO on the A side but some use ISO on the B side e Epoxies often have amines on the B hardener side Polyureas often have amines on the B resin side A and B Component Designations Material suppliers and markets refer to plural component materials differently The table below summarizes the differ ent designations for the components used in various machines Machine Left Machine Right Letter A B Urethane Pour All Reactors HER ISO Hardener Polyol Resin when not 1 1 mix Side Side A B Letter Hydra Cat Xtreme Color Blue Green Epoxy and Urethane Protective Coatings Hardener Cata lyst Major or Minor Component High Volume Low Volume when not 1 1 mix Side Side Letter A B Color Red Blue Polyol Resin ISO Hardener Base Catalyst Major or Minor Component High Volume Low Volume when not 1 1 mix Side Side Mix XM XP and Component Names Resin Base PR70 Epoxy Silicone Ure thanes and other mate PR70 and PR Component Names rials 3A0590G 7 Component Identification Component Identification
21. ifold Carriage The carriage holds and protects the mix manifold assembly Use two screws 28 to mount the mix mani fold to the carriage 15E592 7250 psi Static Mixer Housing 3 8 npt m holds 1 2 in 12 element plastic sticks 511352 Mixer Stainless 3 8 npt m pipe with 12 element stainless welded stick 7250 psi 50 MPa 500 bar 248927 Plastic Mix Elements 25 pack of 1 2 in x 12 element plastic sticks B side screen 40 mesh strainer for low viscosity fluids only Ref No Part No Description Qty 17 185416 STARINER 40 mesh 1 18 121410 PACKING screen retainer PTFE 1 15T630 Screen Installation Tool Use to reinstall B side screen 24F375 Ratio Check Kit Use to check ratio at mix manifold See manual 3A0421 for instructions 26 Accessory Ports P1 and P2 These 1 4 npt ports are located after A and B shutoff handle Can be used for an inlet pressure gauge These are before the fluid check valves and hardener restrictor P3 and P5 Can be used for a pressure gauge to measure outlet pressure or check ratio with the 24F375 kit These ports are downstream of the check valve The P3 port is used as the second flush inlet on the quickset model of the mix manifold It flushes across the resin check ball but not through it P4 Can be used for a pressure gauge to measure hardener pressure before the restrictor but after the check valve P1
22. ing 10 Gro nding eh sect ieee te le IIR 11 Flush Before Using Equipment 11 Ratio Check 11 Related Manuals Manuals are available at www graco com Component Manuals in English Manual Description 3A0420 XP Sprayer Instructions Parts 3A0421 Ratio Check Kit Instructions Parts 306861 Ball Valves Check Valves and Swivels Instructions Parts 339361 High Pressure Hose and Accessories Bro chure Operation 222s sina dese cia Seine 12 Pressure Relief Procedure 12 Trigger Eock ss eee ent 12 FIUSHING sov er eR RReUbUsite Gebers 13 Dispensing and Spraying 14 Volume Balancing the Mix Manifold 15 Adjust Restriction at the Mix Manifold 15 Hose Selection for Feeding A Remote Mix Manifold 15 Maintenance 17 Clean Static Mixers 17 Clean B Side Screen 17 Clean Mix Manifold Outlet 17 Troubleshooting 18 Repair oL eee ie parte EET 19 Cartridge Assemblies 19 Remove Restrictor 20 Assemble Restrictor 20 Parts 2 304 boise hei dir I DER ot 22 Repair KIS soc clle Er siens 25 Accessories 26 Accessory Ports 26 Technical Data
23. must be done to reduce momentary ratio errors that can occur due to the compressible nature of paint hoses e Adjust Restriction e Select correct sized hoses Adjust Restriction at the Mix Manifold The B side restrictor F in the mix manifold is only used when the mix manifold is positioned remote from the machine with a short mix hose to the spray gun The restrictor F controls lead lag ratio errors of the A and B flow into the static mixer tubes These errors occur momentarily when the gun opens The error is caused by differences in viscosity volume and hose expansion between the proportioner outlets and the mix point Adjust the restrictor F stem clockwise while spraying until you see a slight rise in the B side pressure gauge The point where the pressure starts to rise is a good adjustment setting restrictor stem D EE f NOTE Unless you are dispensing directly out of the mix manifold and mixer this an approximate adjust ment For low viscosity fluids an optional 40 mesh screen can be installed in the mix manifold in front of the restrictor This keeps the carbide tapered stem and seat from plugging For high viscosity 1 1 applications the entire restrictor assembly and seat can be removed and replaced by a high pressure 3 4 npt plug 3A0590G Hose Selection for Feeding A Remote Mix Manifold The mix manifold can be removed from the machine and used closer to the spray gun to minimize th
24. nection to a prop erly grounded fluid hose and pump e Fluid supply container follow local code e Object being sprayed follow local code e Solvent pails used when flushing follow local code Use only conductive metal pails placed on a grounded surface Do not place the pail on a non conductive surface such as paper or cardboard which interrupts grounding continuity e To maintain grounding continuity when flushing or relieving pressure hold metal part of the spray gun firmly to the side of a grounded metal pail then trigger the gun 3A0590G Grounding Flush Before Using Equipment The equipment was tested with lightweight oil which is left in the fluid passages to protect parts To avoid con taminating your fluid with oil flush the equipment with a compatible solvent before using the equipment See Flushing page 13 Ratio Check Perform the ratio check procedure after any changes to the proportioning system Use Ratio Check Kit 24F375 to check the ratio at the mix manifold See manual 3A0421 for instructions and parts NOTICE To prevent an inaccurate ratio check when feed pumps are used in your system the feed pressure cannot be more than a maximum of 25 of the pro portioner outlet pressure while dispensing High feed pressure can float the proportioner pump check balls resulting in an inaccurate ratio check 11 Operation Operation Pressure Relief Procedure HA
25. ner ring not a seal It may be scratched or deformed from pushing the screen 17 back in Fic 3 B Side Screen 6 Install B inlet union 19 from manifold block 1 Clean Mix Manifold Outlet 1 Remove outlet fitting b to expose B center injec tion tube 4 2 Clean any build up on around or inside the tube 4 3 Reinstall outlet fitting 5 el M Le RH 17 Troubleshooting Troubleshooting 1 Relieve the pressure before you check or service any sys 2 tem equipment Check all possible causes and solutions in the trouble shooting chart before disassembling the manifold Problem Cause Solution Little or no resin output Fluid inlet is plugged Clean inlet remove obstruction Fluid container is empty Refill Little or no hardener output Fluid inlet is plugged Clean inlet remove obstruction Fluid container is empty Refill Hardener screen 18 is plugged Clean hardener screen See Clean B Side Screen page 17 Mixed fluid will not flush out Fluid is hardened in static mixers or whip hose Clean with compatible solvent See Main tenance page 17 Replace as neces sary Solvent supply container is empty Solvent is not compatible with fluid Refill Change to compatible solvent Hardener pressure higher than normal Hardener is cold Restrictor or screen plugging up Correct heat problem Open res
26. ng assem bly The seat retainer seal 2f must always be replaced once it is disassembled 10 Install cartridge assemblies in manifold and torque to 125 ft lbs 170 Nem NOTE The high torque crushes the seal 2f for a 4 Use a soft bristle brush to clean the manifold pas reliable seal up to 7250 psi 50 MPa 500 bar sageways 3A0590G 19 Repair Remove Restrictor 1 Remove restrictor housing 15 from manifold 1 2 Place restrictor housing 15 in a vice and remove nut 16 r_258987_3a0590_4a 3 Unscrew stem 12 clockwise and remove from restrictor housing 15 15 v r 258987 3a0590 5a 4 Remove and replace o rings 13 14 5 Remove set screw 11 and seat 10 from manifold it eee U r 258987 3a0590 6a 20 Note number of turns from open to closed position Assemble Restrictor 1 Insert seat 10 with larger tapered end facing up in manifold 1 13 black 14 white AA E N N N 10 r 255684 256980 312749 12a 2 Apply blue thread lock to external threads to set screw 11 and install in manifold 3 Install o rings 13 14 and insert stem 12 into restrictor housing 15 Turn stem 12 coun ter clockwise until in open position 4 Loosely install lock nut 16 on stem 12 5 Tighten restrictor housing 15 into manifold 1 6 Tighten stem 12 down until it bottoms on seat 10 Then back stem out to
27. o 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 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 Angl
28. ose as necessary between the mix hose and cleanup mixer NOTICE Never split the flow to multiple guns until the two flu ids are mixed after the mix manifold assembly Mounting Remote Mix Manifold The mix manifold can be removed from the proportioner and mounted closer to the gun This reduces the volume of mixed material and flush solvent for quick setting materials less than 10 minute pot life See Volume Balancing the Mix Manifold on page 15 for more remote setup information Use Remote Mix Manifold Carriage 262522 for in line hose mount locations The carriage protects the mani fold and valves from accidental operation which could cause a plugged line Bare Manifold To mount the bare manifold drill two holes in the mount ing surface and secure with the two 1 4 20 screws 28 a 9 32 diameter 1 1 in 27 94 mm 3A0590G Grounding Ww Your system must be grounded Read warnings in your sprayer manual Check your local electrical code e Pump use ground wire and clamp as instructed in your sprayer manual e Air and fluid hoses use only electrically conduc tive hoses with a maximum of 500 ft 150 m com bined hose length to ensure grounding continuity Check electrical resistance of hoses If total resis tance to ground exceeds 29 megohms replace hose immediately Air compressor follow manufacturer s recommen dations e Spray gun ground through con
29. per faces out A Push assembly hard against a flat surface to snap retainer seal 2f in place pp 4 37 a SE ti18946a r_258987_3a0590_3a 24 3A0590G 24M398 Quickset Mix Manifold Ref No 1 2 2a 2b 2ck 2d 2ex 2f 001 CO Part No 24P866 258986 16D614 121138 15M530 116166 15A968 15K692 100721 15R378 15R067 156823 214037 183951 15R382 235205 110004 113137 15M969 110005 156684 262740 24M421 158491 Description BLOCK manifold mix CARTRIDGE valve check includes items 2a 2f HOUSING check valve O RING PTFE white SPRING check valve BALL SEAT foot valve SEAL retainer PLUG pipe 1 4 npt TUBE injector hardener PIPE outlet mixer manifold UNION swivel 1 4 m x f VALVE ball solvent 1 4 18 npt see manual 306861 SEAT valve SCREW set hollow 3 4 16 STEM valve O RING PTFE white O RING solvent resistant black NUT packing restrictor NUT jam hex UNION swivel 1 2 npt m xf VALVE ball 1 2 npt f see manual 306861 LEVER valve NIPPLE 1 2 14 npt Repair Kits 258992 Mix Manifold Repair Kit Ref No PartNo 2b 121138 2c 15M530 2d 116166 2e 15A968 2f 15K692 13 110004 14 113137 38 113500 Not shown 3A0590G Description O RING PTFE white SPRING check valve BALL carbide SEAT foot valve SEAL retainer O RING PTFE white O RING solvent resistant black ADHESIVE anaerobi
30. to form small hard abrasive crystals which become suspended in the fluid Eventually a film will form on the surface and the ISO will begin to gel increasing in viscosity If used this partially cured ISO will reduce performance and the life of all wetted parts NOTE The amount of film formation and rate of crystal lization varies depending on the blend of ISO the humidity and the temperature To prevent exposing ISO to moisture e Always use a sealed container with a desiccant dryer in the vent or a nitrogen atmosphere Never store ISO in an open container e Keep the ISO pump wetcup or reservoir if installed filled with Graco Throat Seal Liquid TSL Part 206995 The lubricant creates a barrier between the ISO and the atmosphere e Use moisture proof hoses specifically designed for ISO e Never use reclaimed solvents which may contain moisture Always keep solvent containers closed when not in use e Never use solvent on one side if it has been contam inated from the other side e Always lubricate threaded parts with TSL or grease when reassembling Foam Resins with 245 fa Blowing Agents Some foam blowing agents will froth at temperatures above 90 F 33 C when not under pressure especially if agitated To reduce frothing minimize preheating in a circulation system 3A0590G Important Two Component Material Information Changing Materials e Changing material types used in your sprayer requires spec
31. trictor or clean screen See Clean B Side Screen page 17 Hardener pressure lower than normal Resin is cold Flow rate is low Correct heat problem Worn hardener restrictor Adjust restrictor See Adjust Restriction at the Mix Manifold page 15 Spray pattern developing tails Static mixer and or whip hose plugging up Low pressure from sprayer Clean Static Mixers page 17 Clean spray gun and tip See gun man ual Check air supply pressure Check inlet air gauges while spraying Cold material Increase heat Too much pressure drop Use larger hoses or more heat Not enough air supply Gauge drops while spraying Air hose is too small Compressor is too small Motor is icing Use De lce Bleed Air on motor Dry or cool air before use Wait for motor to thaw Dirty filter in pumps or spray gun Clean filters Resin or hardener does not shut off Damaged ball or seat or seal in valve 20 Replace or rebuild valve 2 See manual 306861 Off ratio condition after increasing spray pressure in spray mode with a remote mix manifold 18 Hoses not volume balanced Volume balance A and B remote material hoses closer to volume mix ratio See Hose Selection for Feeding A Remote Mix Manifold page 15 and Mainte nance page 17 3A0590G Repair Repair 5 Remove the seat 2e ball 2d spring 2c and WA N
32. uid from setting up in the dispensing equipment flush the system frequently Be sure there is an adequate amount of solvent in the sol vent supply before spraying NOTE e Ensure flushing fluid is compatible with dis pense fluid and the equipment wetted parts Usea solvent that dissolves the material you are mixing e Solvent may channel through viscous fluids and leave a coating of mixed fluid on the inner tube of your hose Be sure all fluid is thoroughly flushed from the hose after each use e Remove spray tip for more thorough cleaning of the whip hose and static mixers Always leave equipment filled with fluid to avoid drying and scaling e Frequently remove clean and replace the static mixer elements 1 Follow Pressure Relief Procedure page 12 2 Remove the spray tip and soak in solvent 3 Close the dual shutoff handle E Cs 3A0590G Operation Open the solvent inlet valve C For the quickset manifold close the A side flush valve T Place the siphon tube in a grounded metal pail con taining cleaning fluid Set pump to the lowest possible fluid pressure and start pump Trigger the gun into a grounded metal pail with lid Use a lid with a hole to dispense through to avoid splashing Trigger the gun until clean solvent dis penses ti1953a a For the standard mix manifold go to step 8 b For the quickset mix manifold after briefly
33. y that can result in amputation Get immediate surgical treatment 9 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 THERMAL EXPANSION HAZARD Fluids subjected to heat in confined spaces including hoses can create a rapid rise in pressure due to the thermal expansion Over pressurization can result in equipment rupture and serious injury Open a valve to relieve the fluid expansion during heating Replace hoses proactively at regular intervals based on your operating conditions PRESSURIZED EQUIPMENT HAZARD Fluid from the gun dispense valve leaks or ruptured components can splash in the eyes or on skin and cause serious injury 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 tubes and couplings daily Replace worn or damaged parts immediately TOXIC FLUID OR FUMES HAZARD AN Toxic fluids
34. you can expect for every 50 ft 15 2 m of hose at 1 gpm flow in that particular hose for cosity a 1000 cps viscosity material Adjust for your applica tions flow rate and viscosity Table 2 Hose Selection by Pressure Drop Pressure drop per 50 ft Pressure Drop per 15 24 section per 1000 cps at 1 meter section per 1000 Hose ID gal min cps at 1 liter min in psi Bar 1 8 55910 1018 3 16 11044 201 1 4 3494 64 3 8 690 13 1 2 218 4 5 8 89 1 62 3 4 43 0 78 1 Example What is the pressure loss of a 2000 cps material through 150 ft of 3 8 in ID hose at 0 75 gpm 690 psi from chart x 2 viscosity factor 2 x 1000 cps x 3 3 x 50 ft hoses x 0 75 96 of gpm 3105 psi loss That is a lot of pressure loss before the spray gun Let s try 1 2 in hose See example 2 16 NOTE Typical flow rates are usually 0 4 0 8 gom 1 5 3 l mn per gun depending on tip size and vis Reference Formula Pressure drop 0 0273 QVL D Key Q Vis poise centipoise 100 V Gallons per minute L Length ft D Inside diameter in 2 Example What is the pressure loss of a 2000 cps material through 150 ft of 1 2 in ID hose at 0 75 gpm 218 psi from chart x 2 viscosity factor 2 x 1000 cps x 3 3 x 50 ft hoses x 0 75 96 of gpm 981 psi loss NOTE Avoid under sizing the high volume side Pressure drop during flow conditions will increase momentary hose induced ratio errors S
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