Instruction/ maintenance manual of the product 309550Y Graco
Go to page of 46
309550Y Instr uctions - P ar ts Plural Component, Impingement Mix Air Pur ge Spray Gun For use with non-flammable f oam and pol yurea. Not f or use in expl osive atmospheres. 3500 psi (24.5 MP a, 245 bar) Maximum Fluid W orking Pressure 80-130 psi (0.
Manual Conventions 2 309550Y Contents Manual Con ventions . . . . . . . . . . . . . . . . . . . . . . . . 2 List of Models/Mix Cha mber Selection Guide . . . . 3 Round Pattern Gu ns . . . . . . . . . . . . . . . . . . . . . . 3 . . . . . . . . . . . .
List of Models/Mix Chamber Selection Guide 309550Y 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.
List of Models/Mix Chamber Selection Guide 4 309550Y Flat P attern Guns Mix Chamber Flat Tip Gun P ar t No., Series P art No. Impingement Po r t S i ze 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 .
List of Models/Mix Chamber Selection Guide 309550Y 5 Flat P attern Guns, contin ued Flat P attern Stud W a ll Gun See manual number 311071 f or more info rmation. FLO W RA TE in gpm (lpm)* PRESSURE in psi (MPa, bar) 2.25 (8.55) 3.0 (11.4) 0.75 (2.85) 1.
List of Models/Mix Chamber Selection Guide 6 309550Y 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 ar t No., Series P art No. Impingement Po r t S i z e in.
Warning 309550Y 7 W ARNING P ERSONAL PROTECTIVE EQUIPMENT Y ou must w ear proper protectiv e equipment when op erating, servicing, or when in the oper ating area of the equipment to help prot ect you from serious injury , including e ye injury , inhalation of to xic fumes, burns, and hea r ing loss.
Warning 8 309550Y FIRE AND EXPLOSION HAZARD Flammab le fumes, su ch as solvent and paint fumes, in w ork 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.
Overall View 309550Y 9 Overall Vie w Key: A A Side Fluid V alve (ISO) B B Side Fluid V alve (RESIN) CA i r C a p D Air Line Quick Coupler EM u f f l e r F Fluid Housing G Grease Fitting (under cap) H .
Isocyanate Hazard 10 309550Y Isocy anate Hazar d K eep A and B Components Separate Gr ounding Chec k your loca l electrical code and propor tioner man- ual f or detailed grounding instructions. Ground the spra y gun through connection to a Graco-appro v ed grounded f luid supply hose.
Turning Air Cap 309550Y 11 T urning Air Cap Loss of Air Pressure In e vent of loss of air pressure, gun will continue to spra y . T o shut off gun, do one of th e follo wing: • Push in p iston saf ety lock, see page 10. • Close f luid valv es A and B .
Setup 12 309550Y Setup * (W) Not included with spatt er gun. 1. Close fluid v alves 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 hose (V) and air v alve (W*) to main air hose .
Setup 309550Y 13 8. Open cleanoff ai r va lve (K) 1/4-1/2 turn and trigger gun to chec k that cleanoff air is flo wing. Adjust as desired.This step does not apply with spatter spray gun 248408. 9. Engage piston saf ety loc k, page 10. 10. T ur n on proportioner .
Shutdown 14 309550Y Shutdo wn F or ov ernight shutdown: 1. F ollow Pressure Relief Pr ocedure , page 15 . 2. Lea ve air turned on and gun det riggered.
Pressure Relief Procedure 309550Y 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 actuation. Do not dis- connect gun air suppl y until fluid pressure is relie v ed.
Optional Co nfigurations 16 309550Y Optional Configurations Optional Fluid Manif old Po s i t i o n Fluid manif old is mounted to bo ttom of gun, with A side on left, vie wed from ope rator’ s position at bac k of gun. If desired, manif old ma y be mov ed to top of gun.
Optional C onfigurations 309550Y 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 change d so hoses tra vel do wnward.
Flat Spray Tips 18 309550Y Flat Spra y Tips 1. F ollow Pressure Relief Pr ocedure , page 15 . 2. Remove air cap (10 ) and flat spray tip (39) . Inspect o-ri ng (40). If tip is stuck, pr y off with sma ll screwdriver or pull off with plie rs. Tip is hardened to resist dam age.
Maintenance 309550Y 19 Maintenance Supplied T ool Kit • He x Nut Driver; 5/16 • Scre wdr iver; 1/8 blade • Nozzle Dr ill Bit; v arious sizes depending on nozzle size . See T ABLE 1 , page 21. • Impingement P or t Dr ill Bit; various sizes depending on por t siz e.
Maintenance 20 309550Y 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 solv ent. Use N Meth yl Pyrrolidone (NMP), Dynasolv e CU-6, Dzolv , or equiv alent to soften cured material.
Maintenance 309550Y 21 Clean Mix Chamber Nozzle Clean P a ssages If necessary , clean out passages in fluid housing an d handle with drill bits. Ref er to T ABLE 2 and to Cutawa y View on page 26 f or diam eter and location of pa ssages. All drill bits are av ailable in an accessory kit.
Maintenance 22 309550Y 5. Push mix chamber f orw ard until impingement p or ts (IP) are visible . See T ABLE 3 for a ppropriate size 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 dr ill sizes to clean impin gement por ts comple tely .
Troubleshooting 309550Y 23 T roub leshooting 1. F ollow Pressure Relief Pr ocedure , page 15 , bef ore chec king or repairing gun. 2. Chec k all possible prob lems and causes bef ore disassembling gun .
Troubleshooting 24 309550Y 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.
Troubleshooting 309550Y 25 Theory of Operation Gun T riggered (Fluid Spraying) Mix chamber (19) mo ves ba ck, shutti ng off purge air flow . Impingement por ts (IP) align with fluid ports of side seals (18c), allowing flu id to flo w through mix chamber nozzle (N).
Troubleshooting 26 309550Y Cutawa y Vie w 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 309550Y 27 Repair T ools Required T ools needed fo r complete gun repair: • a djustable wrench • f lat head scre wdriver (includ ed) • 1 /8 in. (3 mm) diameter r od • 5 /16 hex n ut driver (included ) Lubrication Liberally lubricate all o-rings, seals, and threads .
Repair 28 309550Y Attach Fr ont End WA R N I N G Read wa r nings, pa ge 7. Proper attachmen t of front end is critical. Do not operate gun if front end is loose or loc k r ing is not sn ug against handle . 1. Engage piston saf ety loc k, page 10. 2. Push on air cap (C) until it is flush with fron t of gun.
Repair 309550Y 29 Mix Chamber and Side Seal Car tridges See page 3 f or a vailab le mix chamber siz es. Continued on page 30. 1. F ollow Pressure Relief Pr ocedure , page 15 . 2. Remov e fluid mani fold (M) . Leav e air connected. 3. Flush gun to remo ve r esidual A and B compo- nents, page 20.
Repair 30 309550Y 8. Pull mix chamber (19) out rear of fluid housing. Inspect f or damage an d clean por ts, page 21. Inspect o-r ing (2 3) in front of fluid housin g. CA UTION T o prev ent cross-contamination of th e gun’ s wetted par ts, mix cha mber is mar ked with an A and a notch (N) on bac k edge.
Repair 309550Y 31 Chec k V alves Bef ore disassemb ling, press on ball (26c) t o test chec k valv e f or proper mo veme nt and spring action. 1. F ollow Pressure Relief Pr ocedure , page 15 . 2. Remov e fluid mani fold (M) . Leav e air connected. Clean Fluid Manif old , page 20.
Repair 32 309550Y Piston 1. F ollow Pressure Relief Pr ocedure , 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-ring (14). 5. Push piston shaf t to remov e piston (15).
Repair 309550Y 33 Piston Safety Loc k Air V alve 1. F ollow Pressure Relief Pr ocedure , 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 safety lock (4).
Parts 34 309550Y 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 ‡.
Parts 309550Y 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 Assemb ly 248064 (includes 1 of item 24).
Parts 36 309550Y ▲ Replacement Danger an d Warning labels , tags, and cards are av ailab le at no cost. ◆ Included in Spatter Tip Kit 248 414. ❖ Included in Stud W all F oam Kit 249421.
Parts 309550Y 37 Mix Chamber Kits Round P attern Guns Flat P attern Guns † A vailab le only in flat mix cham ber kits or in 2 46360 multi-pack kit. Mix Chamber P ar t No. Reference Guide Sample part no. AR4242: Mix Chamber Kit (inc ludes drill bits) Nozzle Orifice Size Nozzle Drill Bit Size, in.
Parts 38 309550Y Flat Tip Kits Flat Tip P ar t No. Reference Guide Sample part no. FT0848: Gun Repair Kits Read the char t left to right and top t o bottom to find the quant ity of each par t in the kits. Chec k V alve Filter Screen Kits Kits include 10 filter scr eens.
Parts 309550Y 39 Drill Bit Kits F or cleaning gun por ts and orifices. Illu strations are actual siz e, f o r comparison. Not all sizes are used with your gun. Kit P ar t No. Qty in Kit Drill Bit Size Illustration nomina l in. mm 249115 6 1/8 .125 3. 18 246623 3 #32 0.
Parts 40 309550Y Drill Bit Kit 119386 Kit includes 20 cleanout drill bi ts ranging in sizes of #61 through #80. Air Pur g e Handle Cleanout Drill Kit 248969 Kit includes all 5 dr ill bits of extr a long length needed to clean out the air passages in th e Air Purge gun handle and fluid h ousing.
Accessories 309550Y 41 Accessories Wide P attern Mix Chamber Kits Kits include mix chamber and cleanout drills. T o spray larger diameter patter ns t han the s tandard mix chambers. Stainless Steel Side Seal Kits Kits include a pac king o-ring fo r each stainless steel seal.
Accessories 42 309550Y 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.
Accessories 309550Y 43 Spatter Con version Kit 248414 T o conv er t Fusion air purge gun to spr ay , round pattern only , large droplet, low ov ersp ray 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 .
Accessories 44 309550Y Tip Cleanout T ool 15D234 Designed to fit Cera mTip inter nal dome and flat t ip slits. Gun Cleaning Kit 15D546 Kit includes 11 tools and brushes to clean the gun. Cir culation Manif old 246362 Attach to gun fluid manif old to enable p reheating of hose.
Technical Data 309550Y 45 T ec hnical Data All other brand names or marks are used for ide ntification purposes and are tra demarks of their respective owne rs. Air Flow Data in scfm (m 3 /min) Category Data Maximum Fluid W orking Pressure 3500 psi (24.
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 a t any time without notice. This manual contains English. MM 309550 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea GRACO INC.
An important point after buying a device Graco 309550Y (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 309550Y yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 309550Y - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 309550Y you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 309550Y will certainly help you make a decision on the purchase.
If you already are a holder of Graco 309550Y, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 309550Y.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 309550Y. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 309550Y along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
