Graco 309550U manuale d’uso

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2002, Graco Inc. is r egistered to I. S. EN ISO 9001 309550U Instr uctions - P ar ts Plural Component, Imping ement Mix Air Pur ge Spra y Gun For use with non-flammab le foam and pol yurea. Not f or use in explosive atmospheres. 3500 psi (24.5 MP a, 245 bar) Maximum Fluid Working Pressur[...]

Manual Conventio ns 2 309550U Contents Manual Con ventions . . . . . . . . . . . . . . . . . . . . . . . . 2 List of Models/Mix Cha mber Selection Guide . . . . 3 Round Pattern Gu ns . . . . . . . . . . . . . . . . . . . . . . 3 Flat P atter n Guns . . . . . . . . . . . . . . . . . . . . . . . . 4 Flat P atter n Stud W all Gun . . . . . . . . . . .[...]

List of Models/Mix Ch amber Selection Guide 309550U 3 List of Models/Mix Chamber Selection Guide Round P attern Guns Mix Chamber Gun P art No., Series P art No. Impingement Po r t S i z e in. (mm) Equivalent Size Seal Material 246099, A AR2020 .020 (0.50) -000 SST 246100, A AR2929 .029 (0.70) -00 SST 248617, A AR3737 .037 (0.94) None SST 246101, A [...]

List of Models/M ix Chamber Selection Guide 4 309550U Flat P attern Guns Mix Chamber Flat Tip Gun P art No., Series P art No. Impingement Po r t S i z e in. (mm) Equiv alent Size P art No. Pa t t e r n S i z e in. (mm) Orifice Size in. (mm) 247101, A AF2020 .020 (0.50 ) -000 FT0424 8-10 (203-2 54) .024 (0.61 ) 247102, A AF2020 .020 (0.50 ) -000 FT0[...]

List of Models/Mix Ch amber Selection Guide 309550U 5 Flat P attern Guns, continued Flat P attern Stud W all Gun See manual number 311071 f or more inf ormation. FLO W RA TE in gpm (lpm)* PRESSURE in psi (MP a, bar) 2.25 (8.55) 3.0 (11.4) 0.75 (2.85) 1.5 (5.7) 0 A F 4 2 4 2 w i t h F T X X 3 8 t i p A F 2 9 2 9 w i t h F T X X 3 8 t i p A F 2 0 2 0[...]

List of Models/M ix Chamber Selection Guide 6 309550U Spatter P attern Gun Wide Round P attern Gun Four -Hose Gun Wide Round P attern Gun with Four-Hose Recir c ulating Gun Manifold Non 1:1 Ratio Guns Mix Chamber Gun P art No., Series P art No. Impingement Po r t S i z e in. (mm) Equivalent Size 248408 A AR7070 .070 (1 .75) -04 Mix Chamber P attern[...]

Warning 309550U 7 W ARNING P ERSONAL PR OTECTIVE EQUIPMENT Y ou must wear proper prot ectiv e equipment when oper ating, servicing, or when in the operating ar ea of the equipment to help prot ect you from serious injur y , including e ye inju r y , inhala tion of to xic fumes, burns, and hea ring loss. This equipment includes b ut is not limited t[...]

Warning 8 309550U FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solve nt and paint fumes , in work area can ignite or e xplode. T o help pre v ent fire and e xplosion : • Use equ ipment only in well v entilated area. • Elimin ate all ignition sources , such as pilot lights, cigarett es, por table electr ic lamp s, and plastic drop cloths [...]

Overall View 309550U 9 Overall Vie w Key: A A Side Fluid V alve (ISO) B B Side Fluid V alve (RESIN) C Air Cap D Air Line Quick Coupler EM u f f l e r F Fluid Housing G Grease Fitting (under cap) H Handle J Optional Air Inlet K Cleanoff Air V alve L Piston Saf ety Lock M Gun Fluid Manifold N Mix Chamber Nozzle P Optional Fluid Inlets (A Side Shown) [...]

Isocyanate Haza rd 10 309550U Isocy anate Hazar d K eep A and B Components Separate Gr ounding Chec k your lo cal electrical code and proportioner man- ual f or detailed grounding instructions. Ground the spra y gun t hrough connection to a Graco-appro v ed gro unded fluid supply hose . Piston Safe ty Loc k Engage piston saf ety loc k whene ver y o[...]

Turning Air Cap 309550U 11 T urning Air Cap Loss of Air Pressure In e vent of loss of air pressure, gun will contin ue to spra y . T o shut off gun, do one of the f ollo wing: • Push in p iston saf ety loc k, see page 10. • Close f luid valv es A and B . W ARNING Read wa r nings, pa ge 7. 1. F ollow Pressure Relie f Procedure , page 15. 2. Clos[...]

Setup 12 309550U Setup * (W) Not included with spatt er gun. 1. Close fluid v alve s A and B. 2. Connect A (ISO) and B (RESIN) fluid hoses to fluid manif old. 3. Engage piston saf ety loc k, page 10. 4. Connect gu n air whip ho se (V) an d air valv e (W*) to main air hose . Attach flu id manif old (M) to gun . TI2411A A (ISO) B (RESIN) TI2417A TI24[...]

Setup 309550U 13 8. Open cleanoff ai r v alv e (K) 1/4-1/2 t urn and trigger gun to chec k that cleanoff air is flowing. Adjust as desired.This step does not apply with spatter spra y gun 248408. 9. Engage piston saf ety loc k, page 10. 10. T ur n on proportioner . 11. Open B (RESIN) fluid v alv e (about three half tur ns). Then op en A (ISO) fluid[...]

Shutdown 14 309550U Shutdo wn F or ov ernight shutdown: 1. F ollow Pressure Relie f Procedure , page 15. 2. Lea ve air turned on and gun detriggered. Grease gun daily to pre vent 2 component curing and k eep fluid passages clean. Purge ai r carries grease mist through air cha mber (A C), impinge- ment por ts (IP), and o ut mix chamber nozzle (N), c[...]

Pressure Relief Pr ocedure 309550U 15 Pressure Relief Pr ocedure WA R N I N G Read wa r nings, page 7. Reliev e pressure bef ore cleaning or repairing gun. 1. Engage piston saf ety loc k, page 10. CA UTION Air supply is required f or gun actuat ion. Do not dis- connect gun air suppl y until fluid pressure is relie v ed. 2. Close fluid v alv es A an[...]

Optional Configu rations 16 309550U Optional Configurations Optional Fluid Manif old Po s i t i o n Fluid manif old is mounted t o bottom of gun, with A sid e on left, vie wed fro m operator’ s position at bac k of gun. I f desired, manif old ma y be mo v ed to top of gun. Doing this will reposition A side par ts (fluid inlet s wivel, chec k v al[...]

Optional Configura tions 309550U 17 Optional Hose P osition Fluid inlet s wiv els and air quic k disconnect fitting point to rear . If desired, these positions can be cha nged so hoses tra vel downw ard. CA UTION T o prev ent cross- contamination of gun’ s wetted parts, do not interchange A compon ent (isocy anate) and B component (r esin) par ts[...]

Flat Spray Tips 18 309550U Flat Spra y Tips 1. F ollow Pressure Relie f Procedure , page 15. 2. Remove air cap (10) an d flat spra y tip (39). Inspe ct o-ri ng (40). If tip is stuck, pr y off with sm all screwdriver or pull off with plie rs. Tip is harden ed to resist damage. 3. T o clean, soak tip in compatible solv ent , see page 20. Clean gently[...]

Maintenance 309550U 19 Maintenance Supplied T ool Kit • He x Nut Driv er ; 5/16 • Scre wdr iver; 1/8 blade • Nozzle Drill Bit; various sizes depending on nozzle size . See T ABLE 1, page 21. • Impingement P or t Dr ill Bit; various sizes depending on por t size . See T ABLE 3, page 22. • 1 17661 Pin Vise; dual re v ersible ch ucks • 5 5[...]

Maintenance 20 309550U Flush Gun If it is necessary to flush gun, use f ollowing procedure . Clean Outside of Gun Wipe off outside of gun wit h compatible solvent. Use N Meth yl Pyrrolidone (NMP), Dynasolv e CU-6, Dzolv , or equiv alent to soften cured ma terial. Clean Air Cap Soak air cap in compatib le solv ent. Clean holes wit h #58 (.042) drill[...]

Maintenance 309550U 21 Clean Mix Chamber Nozzle Clean P assages If necessary , clean out passages in fluid housing and handle with drill bits. Ref er to T ABLE 2 and to Cuta way View on page 26 f or diameter and location of pa ssages. All drill bits are av ailab le in an accessor y kit. Order kit 248969 f or Air Purge Handle Drill Kit, see page 40.[...]

Maintenance 22 309550U 5. Push mix chamber f o rward until impingement ports (IP) are visible . See T ABLE 3 f or appropriate siz e drill to clean por ts. Also see identification char t under Drill Bit Kits , page 39. Some mix chambers hav e counterbored holes (CB) and require tw o drill sizes to clean impin gement po r ts co mpletely . TI2420A IP [...]

Troubleshooting 309550U 23 T roub leshooting 1. F ollow Pressure Relie f Procedure , page 15, bef ore chec king or repairing gun. 2. Chec k all possible pr oblems and causes be fo re disassembling gun . CA UTION T o prev ent cross-contamination of the gun’ s wetted par ts, do not inte rchange A component (isocy anate) and B component (r esin) par[...]

Troubleshooting 24 309550U A and/or B fluid in gun air section. Damaged side seals (18c). Replace, page 29. Damaged mix chamber (19). Replace , page 29. Damaged side seal o-rings (18d, 18e). Replace, p age 29. Tightened air cap with fluid v alv es (12b) open. Close valv es first. Fluid mist from mix cha mber or a ir cap . Damaged side se als (18c).[...]

Troubleshooting 309550U 25 Theory of Operation Gun T riggered (Fluid Spraying) Mix chamber (19) mo v es back, sh utting off purge air flow . Impingement por ts (IP) align with fluid ports of side seals (18c), allowing fl uid to flo w through mix chamber nozzle (N). See page 13 to adjust cleanof f air valv e (K). Gun Detriggered (Air Purging) Mix ch[...]

Troubleshooting 26 309550U Cutawa y View 8 19 17 15 16 24 10 23 21 24 14 4 26 18 (A Side) B Side not shown 12b 22 C G DE F 3 H[...]

Repair 309550U 27 Repair T ools Required T ools needed f or complete gun repair: • a djustable wrench • f lat head scre wdriver ( included) • 1 /8 in. (3 mm) diamete r rod • 5 /16 he x nut driver (included) Lubrication Liberally lubricate all o-rings, seals, and threads . Lubri- cate threads and outsid e of lock ring (11). See page 43 to or[...]

Repair 28 309550U Attach Fr ont End WA R N I N G Read wa r nings, pa ge 7. Proper atta chment of front end is critical. Do not operate gun if front end is loose or loc k ring is not snug against handle . 1. Engage piston saf ety loc k, page 10. 2. Push on air cap (C) until it is flush with fr ont of gun. This ensures that mix cham ber is all the wa[...]

Repair 309550U 29 Mix Chamber and Side Seal Car tridges See page 3 f or a v ailable mix chamber siz es. Continued on page 30. 1. F ollow Pressure Relie f Procedure , page 15. 2. Remov e fluid man if old (M). Lea v e air connected. 3. Flush gun to remo v e residual A and B compo- nents, page 20. F ollow Pressur e Relief Pr oce- dure , page 15. 4. Di[...]

Repair 30 309550U 8. Pull mix chamber (19) out rear of fluid housi ng. Inspect f or dama ge and clean ports, page 21. Inspect o-r ing (2 3) in front of fluid ho using. CA UTION T o prev ent cross-contamina tion of the gun’ s wetted par t s, mix chamber is m arked with an A and a notch (N) on bac k edge. Be sure the A side of mix chamber is on the[...]

Repair 309550U 31 Chec k V a lves Bef ore disassemb ling, pres s on ball (26c) to test chec k valv e f or pr oper mov ement and spring action. 1. F ollow Pressure Relie f Procedure , page 15. 2. Remov e fluid man if old (M). Lea v e air connected. Clean Fluid Manif old , page 20 . 3. Flush gun to remo v e residual A and B compo- nents, page 20. F o[...]

Repair 32 309550U Piston 1. F ollow Pressure Relie f Procedure , page 15. 2. Disconnect air (D) and re mov e fluid manif old (M). 3. Remove Front End , page 27. 4. Unscrew cylinder cap (5) and ins pect o-r ing (14). TI2554A M D 5 14 TI2430A 5. Push piston shaft to remove piston (15). In spect piston o-ring (16) and shaft o-ring ( 17). 6. Liberally [...]

Repair 309550U 33 Piston Safety Loc k Air V a lve 1. F ollow Pressure Relie f Procedure , page 15. 2. Disconnect air (D) and re mov e fluid manif old (M). 3. Unscrew cylinder cap (5). Hold piston stop (28) with wrench and unscrew from s afety loc k (4). Inspect spring (30) and o-rings (14, 24) . 4. Liberally lubricate o-rings and reassemb le . Clea[...]

Parts 34 309550U Pa r t s 33 4 30 24 5 14 16 28 15 17 ‡ 8 ‡ 24 21 ‡ 7 ‡ 27 ‡ 19 32 31 2 24 1 29 6 13 ‡ 25 ‡ 9 ‡ 10 23 ‡ * 12a ‡ 11 22 51 3 ‡ * ‡ 26b ‡ 26e ‡ 26c ‡ 26d ‡ 26g ‡ 26a ‡ 26f 12c 12f 12e 12b 12d TI2435C 50 49 ‡ 37 47 Round P attern Gun Sho wn; see page 36 for ad ditional parts and detail views 35 3 T [...]

Parts 309550U 35 * These par ts are only av ailable in repair kits. T o select a kit, ref er to page 38. † These par ts are not av ailab le singly . ‡ Included in F ront End Replacement Kit 246361. ★ Included in Saf ety Stop Assem bly 248064 (in cludes 1 of item 24). ▲ Replacement Danger and W ar ning labels, tags , and cards are av ailab l[...]

Parts 36 309550U ▲ Replacement Danger an d W arning labels, tags, and cards are av ailab le at no cost. ◆ Included in Spatter Tip Kit 248 414. ❖ Included in Stud W all Foam Kit 249421. Ref. No. P ar t No. Description Qty 52 15B81 7 MANIFOLD , gun flush; round and flat pattern guns only 1 53 1176 42 NUT DRIVER, hex; 5/16 1 54 1185 75 SCREWDRIV[...]

Parts 309550U 37 Mix Chamber Kits Round P attern Guns Flat P attern Guns † A v ailable only in flat mix chamber kits or in 2463 60 multi-pack kit. Mix Chamber P art No. Reference Guide Sample part no. AR4242: Mix Chamber Kit (inc ludes drill bits) Nozzle Orifice Size Nozzle Drill Bit Size, in. (mm) Impingement Po r t S i z e Impingement P ort Dri[...]

Parts 38 309550U Flat Tip Kits Flat Tip P art No. Reference Guide Sample part no. FT0848: Gun Repair Kits Read the char t left to right and top to bo ttom to find the quan tity of each par t in the kits. Chec k V alve Filter Screen Kits Kits include 10 filter scr eens. 80 mesh filter screen is standard with gun. 246357 40 mesh (.015 in., 375 micron[...]

Parts 309550U 39 Drill Bit Kits F or cleaning gun ports and or ifices. Illu strations are ac tual size , f or comparison. Not all sizes are used with your gun. Kit P art No. Qty in Kit Drill Bit Size Illustration nomina l in. mm 249115 6 1 /8 .125 3.18 246623 3 #32 0.116 2.90 246810 3 7 /64 0.109 2.77 246813 3 # 39 .099 2.51 246624 3 3/32 .094 2.39[...]

Parts 40 309550U Air Pur ge Handle Cleanout Drill Kit 248969 Kit includes all 5 dr ill bits of extra long length needed to clean out the air passages in th e Air Purge gun handle and fluid h ousing. See Clea n P assages , page 21. 246629 6 #58 .042 1 .07 246808 6 #60 .040 1 .02 248640 6 #61 .039 0 .99 248618 6 #63 .037 0 .94 248891 6 #66 .033 0 .84[...]

Accessories 309550U 41 Accessories Wide P attern Mix Chamber Kits Kits include mix chamber and cleanout drills. T o spra y larger diameter patter ns t han the standard mix chambers. Stainless Steel Side Seal Kits Kits include a pac king o-ring f or each stainless steel seal. P olycarballo y Side Seal Kits Kits include a pac king o-ring for each pol[...]

Accessories 42 309550U Extension Tip Kits Kits include extension, flat ti p seal and round tip seal, clea nout drill bit, and instructions. Requires 248020 Extension Tip Air Cap Kit (order sepa rately). * Measured with less than 8 in. (20 3 mm) drop in stream center at 1200 psi (8.4 MP a, 84 bar) static pressure. Extension Tip Seal Kits Kits includ[...]

Accessories 309550U 43 Spatter Con version Kit 248414 T o conv er t Fusion air purge gun to sp ra y , round pattern only , large droplet, low ov ersp ra y applications. Includes air cap , tip , retainer , seal, and cleanout drill bits. P our Nozzle Kit 248528 T o conv er t air purge gun f or pour applications . Includes nozzle, seals, tubing, and c[...]

Accessories 44 309550U Tip Cleanout T ool 15D234 Designed to fit Cera mTip internal dome and flat tip slits. Cir culation Manif old 246362 Attach to gun fluid manif old to enable preheating of hose. See ma nual 309818. TI4244a End for Air Purge Tips End for Mechanical Purge Tips TI3877a[...]

Technical Data 309550U 45 T ec hnical Data All other brand names or marks are used for ide ntification purposes and are trademarks of their r espective owners. Air Flow Data in scfm (m 3 /min) Category Data Maximum Fluid W orking Pressure 3500 psi (24.5 MP a, 245 bar) Minimum Air Inlet Pressu re 80 psi (0.56 MP a, 5.6 bar) Maximum Air Inlet Pre ssu[...]

All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes at any time withou t notice. (SRC309550) This manual contains English MM 309550 Graco Headquarters: Minneapo lis International Offices: Belgium, China, Japan, Korea GRACO INC.[...]