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Graco 3A059OG - page 1
Instr uctions - P ar ts Mix Manif old For mixing tw o component reactive materials with plural-component sprayer s. For prof essional use onl y . Appro ved f or use in e xplosive atmospheres. P art No. 262807 Mix Manif old, Single Flush P art No. 24M398 Quickset Mix Manif old, Dual Flush with Carriage , Gauges , and Static Mix ers 7250 psi (50 MP a ...
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Graco 3A059OG - page 2
Related Manua ls 2 3A0590G Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Impor tant T wo-Component Material Information . 6 Isocyanate Conditions . . . . . . . . . . . . . . . . . . . . . 6 Mater ial Self-ignition . . . . . . . . . . . ...
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Graco 3A059OG - page 3
Warnings 3A0590G 3 Wa r n i n g s The f ollowing warnings are f or the setup , use, gr ounding, maintenance , and repair of this equipment. The e xclama- tion point symbol ale r ts you to a gene ral wa rn ing and the haza rd symbols ref er to procedure-specific risks. When these symbols appear in the body of this man ual, refer b a ck to these W ar ...
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Graco 3A059OG - page 4
Warnings 4 3A0590G SKIN INJECTION HAZA RD High-pressure fluid from gun, hose leaks, or ruptured components will pierce skin. This ma y look like just a cut, b ut it is a serious injury that can result in amputa tion. Get immediate su rgical treatment. • Do not spra y without tip guard and trigger guard insta lled. • Engage trigger loc k when no ...
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Graco 3A059OG - page 5
Warnings 3A0590G 5 PRESSURIZED ALUMINUM P ARTS HAZARD Use of fluids that are incompa tible wit h aluminum in pressurize d equipment can cause serious chemical reaction and equipmen t rupture. F ailure to fo llow this w arning can result in death, serious injur y , or property damage. • Do not use 1,1,1-trichloroethan e, meth ylene chlor ide, othe ...
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Graco 3A059OG - page 6
Important Two-Component Material Information 6 3A0590G Impor tant T w o-Component Material Inf ormation Isocy anate Conditions Material Self-ignition K eep Components A and B Separate Moisture Sensitivity of Isocy anates Isocy anates (ISO) are catalysts used in two component f oam and polyurea coatings. ISO will react with moisture (such as humidit ...
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Graco 3A059OG - page 7
Important Two-Component Materi al Information 3A0590G 7 Changing Materials • Changing materi al types us ed in your spra yer requires special atte ntion to a void equipment da m- age and do wntime . • Alwa ys clean the fluid inlet straine rs after flushing. • When changing between epo xies and urethanes or polyureas , disassemble and clean al ...
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Graco 3A059OG - page 8
Component Identification 8 3A0590G Component Identification F IG . 1: T ypical Installation G, H E B A C D F ti19003a Key: A Resin (High V olume) Inlet (A material) B Hardener (Low V olume) Inlet (B mater ial) C Solvent Inlet V alve , 1/4 npt(m) D Manifold E Dual Shutoff Handle F Hardener Restrictor Adjustment G Hardener Center Inject T ube (not sh ...
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Graco 3A059OG - page 9
Overview 3A0590G 9 Overview The left side of the mix manif old is intended for the major volume material, or the higher viscosity material if using a 1:1 volume mix. This side is ref erred 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 ...
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Graco 3A059OG - page 10
Installation 10 3A0590G Installation F or assistance in setting up a plur al component spra yer , contact your Graco dist ributor , to e nsure that you select the proper typ e and size equipment for y o ur system. See illustration in F IG . 1 on page 8. Fluid Inlets The A and B fluid inlets (A and B) are equipped with 1/2 npt(f) ball v alves . Conn ...
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Graco 3A059OG - page 11
Grounding 3A0590G 11 Gr ounding • Pump: use ground wire an d clamp as instructed in you r s p rayer m an ua l . • Air and fluid hoses: use only electrically conduc- tiv e hoses. with a maximum of 500 ft. (150 m) co m- bined hose length to ensur e groundin g continuit y . Check electrica l resistance of hoses. If total resis- tance to groun d ex ...
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Graco 3A059OG - page 12
Operation 12 3A0590G Operation Pressure Relief Pr ocedure Relieve A and B Fluid Pressure 1. Engage the tr igger lo ck. 2. T ur n off the spray er. 3. Close the b leed-type master air v a lv e. 4. Open the dua l shutoff handle (E). 5. Shut off flu id heaters , if used on your spr ay er . 6. Shut off feed pumps, if used. 7. Disengage th e trigger loc ...
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Graco 3A059OG - page 13
Operation 3A0590G 13 Flushing NO TE: • Ensure flushing fluid is compatible with dis- pense fluid and the equipment wetted parts. • Use a solvent that disso lves the material y ou are mixing. • Solvent ma y channel thr ough viscous fluids and leave a coa ting of mixed fluid on the inner tub e of y our hose. Be sure all fluid is thoroughl y flu ...
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Graco 3A059OG - page 14
Dispensing and Sprayin g 14 3A0590G 10. Engage the t rigger lock. 11. Close solvent inlet v alve (C). 12. Remov e the gun from the ho se. See gu n manual to fur ther clean the gun. Dispensing and Spra ying 1. Close the solvent inlet valv e (C) and A side solv ent v alv e (T) if eq uipped. 2. Open the dua l shutoff handle (E). 3. T ur n on spr a ye ...
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Graco 3A059OG - page 15
Volume Balancin g the Mix Mani fold 3A0590G 15 V olume Balancing the Mix Manif old If the mix manif old is mounted on the machi ne, y ou do not need to adjust the restrictor (F). Lea ve open two tur ns minimum. When the manif old is remote, t wo things mu st be done to reduce mome ntary ratio errors tha t can occur due to the compress ible nature o ...
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Graco 3A059OG - page 16
Volume Balancin g the Mix Mani fold 16 3A0590G Use T able 2 and the e xamples pro vided to appro ximate how m uch pressure drop y ou can expe ct f or ev er y 50 ft (15.2 m) of hose at 1 gpm flo w in that par ticular hose f or a 1000 cps viscosity material. Adjust f or your ap plica- tions flow rate and viscosit y . NO TE : T ypical flow rates are u ...
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Graco 3A059OG - page 17
Maintenance 3A0590G 17 Maintenance Clean Static Mixer s See F IG . 1 on page 8. T ypically , two static mix er hous- ings are conn ected to the mix m anifold outlet (H). These housings use plastic mix elem ents, a vailab le in a pack- age of 25 (P ar t No . 248927). T o clean the housing and replace the mix element : 1. Relie ve pressu re, se e pag ...
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Graco 3A059OG - page 18
Troubleshooting 18 3A0590G T roub leshooting 1. Reliev e the pressure before y ou check or service any sys- tem equipment. 2. Check all possible causes and solutions in the trouble- shooting char t before disassemb ling the manifold. Prob lem Cause Solution Little or no resin output. Fluid inlet is plugged. Clean inlet; remove obstruction. Fluid co ...
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Graco 3A059OG - page 19
Repair 3A0590G 19 Repair Car tridge Assemblies 1. F ollow Pressure Relie f Proced ure , page 12. 2. Use a wrench to remo ve the cartr idge assemb lies (2) from the manif old. 3. Use a 90° allen wrench to po p the seat (2e) and seal (2f) ou t of the housing, or tap them o ut from the “A” and “B” inlet side . NO TE: Sea t retainer se al (2f) ...
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Graco 3A059OG - page 20
Repair 20 3A0590G Remo ve Restrictor 1. Note n umber of t urns from open to closed posit ion. Remov e restrictor housing (15) from manif old (1). 2. Place restrictor hou sing (15) in a vice and re mov e nut (16) . 3. Unscre w stem (12) cloc kwise and remov e from restrictor housing (1 5). 4. Remo v e and repl ace o-rings (13, 14) . 5. Remove set sc ...
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Graco 3A059OG - page 21
Repair 3A0590G 21 ...
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Graco 3A059OG - page 22
Parts 22 3A0590G Pa r t s 262807 Mix Manifold 1 Apply lubricant to o-r ings and car tri dge o-ring and end seal. Apply taper thread pipe sealant to all non-swiv eling threads ex cept car tridge (2) and needle (12). Apply anaerobic medium thread lo ck er to e xter nal threads. T orque to 125 ft-lbs (70 N•m). T ur n stem fully into manifold. Then b ...
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Graco 3A059OG - page 23
Parts 3A0590G 23 262807 Mix Manifold ★ Provided in mix manif old repair kit 258992 . See Repair Kits , page 25. ✖ Not shown. † Older models used mxf solvent chec k valv es. If replacing the mxf ch eck v alve (5632 10) with mxm chec k v alve (32), y ou must also ord er coupling (51). Ref. No. P ar t No. Description Qty . 1 24P869 BLOCK, m anif ...
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Graco 3A059OG - page 24
Parts 24 3A0590G 24M398 Quic kset Mix Manif old Apply lubricant to o-r ings and car tridge o-r ing and end seal. Apply taper thread pipe sealant to all non-swiv elin g threads e xcept car tridge (2) and needle (12). Apply anaerobic sealant to external threads. T orque to 125 ft-lbs (70 N•m). T ur n stem fully into manifold. Then bac k out two tur ...
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Graco 3A059OG - page 25
Repair Kits 3A0590G 25 24M398 Quic kset Mix Manif old ★ Provided in mix manif old repair kit 258992 . See Repair Kits . ✖ Not shown. † Older models used mxf solv ent check v alves. If replacing the mxf chec k valv e (563210) with mxm chec k v alve (32), you must also order couplin g (51). Repair Kits 258992 Mix Manifo ld Repair Kit ✖ Not sh ...
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Graco 3A059OG - page 26
Accessories 26 3A0590G Accessories 10,000 psi Fluid Pressure Gauge (2.5 in) 114434 - 1/ 4 npt(m) b ack mount pressure gauge can be used in por ts as gun pressure gauge . 551387 - 1/4 npt bottom mount v ersion. High Pressure Hoses and Accessory Fittings See brochure 33 9361 f or par ts and accessories. 262522, Remote Mix Manif old Carriage The carri ...
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Graco 3A059OG - page 27
Technical Data 3A0590G 27 Te c h n i c a l D a t a Mix Manif olds US Metric Maximum A, B , and mix working pressure 7250 psi 50 MP a, 500 bar Maximum flui d temperatu re 160° F 71° C Fluid inlet 1/2 npt(f) ball v alves Fluid outlet 1/2 npt(f) with 3/8 npt(m) adapter nip ple Solv ent inlet valv e 1/4 npt(m) Maximum wo rking pressu re at solv ent i ...
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Graco 3A059OG - page 28
All written and visual data contained in th is document reflects the late st product information available at the time of publica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts. Original instructions. T his manual contains English. MM 3A0590 Graco Headquarters: Minneapol ...
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