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Instructions - Parts
Plural Component, Impingement Mix
Air Purge Spray Gun
For use with non-flammable foam and polyurea.
Not for use in explosive atmospheres.
3500 psi (24.5 MPa, 245 bar) Maximum Fluid Working Pressure
80-130 psi (0.56-0.9 MPa, 5.6-9.0 bar) Air Inlet Pressure Range
200°F (94°C) Maximum Fluid Temperature
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
US Patent Number D479,305
Korean Patent 338185
Australian Patent Numbers 152610 and 2003301667
ROC Patent I288661
Chinese Patent No. ZL200380101833.7
309550Y
TI2408-1A
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Summary of Contents for Graco 309550Y
- Page 1 Instructions - Parts 309550Y Plural Component, Impingement Mix Air Purge Spray Gun For use with non-flammable foam and polyurea. Not for use in explosive atmospheres. 3500 psi (24.5 MPa, 245 bar) Maximum Fluid Working Pressure 80-130 psi (0.56-0.9 MPa, 5.6-9.0 bar) Air Inlet Pressure Range 200°F (94°C) Maximum Fluid Temperature...
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Page 2: Table Of Contents
A warning alerts you to possible serious injury or Note death if you do not follow instructions. A note indicates additional helpful information. Symbols, such as fluid injection (shown), alert you to a specific hazard and direct you to read the indicated hazard warnings on pages 7-8. 309550Y... -
Page 3: List Of Models/Mix Chamber Selection Guide
(11.4) (7.6) (3.8) 1000 1500 2000 2500 3000 3500 (3.5, 35) (6.9, 69) (10.3, 103) (13.8, 138) (17.4, 172.4) (20.7, 207) (24.1, 241) PRESSURE in psi (MPa, bar) *Accessory AW (wide pattern) mix chambers are available. See page 41. 309550Y... -
Page 4: Flat Pattern Guns
247133, A AF5252 .052 (1.30) FT0624 12-14 (305-356) .024 (0.61) 247134, A AF5252 .052 (1.30) FT0638 12-14 (305-356) .038 (0.97) 247137, A AF5252 .052 (1.30) FT0838 16-18 (406-457) .038 (0.97) 247138, A AF5252 .052 (1.30) FT0848 16-18 (406-457) .048 (1.22) 309550Y... -
Page 5: Flat Pattern Guns, Continued
Part No. to Target in. (mm) 1000 psi in. (mm) (7.0 MPa, 70 bar) 249525 AF4242 .042 (1.00) FTM979 22 (559) .038 (0.97) 11 lb/min (4.99 kg/min) 249526 AF5252 .052 (1.30) FTM979 22 (559) .038 (0.97) 15 lb/min (6.81 kg.min) 309550Y... -
Page 6: Spatter Pattern Gun
Target Rate at 1000 psi No., Series Part No. in. (mm) Size in. (mm) (7.0 MPa, 70 bar) 249810 AW2222 .022 (0.56) 4.5 lb/min 8-9 (203-229) (204 kg/min) Non 1:1 Ratio Guns Gun Part No., Series Chamber 253888 AR2232 309550Y... - Page 7 BURN HAZARD Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe burns, do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely. 309550Y...
- Page 8 PRESSURIZED ALUMINUM PARTS HAZARD Do not use 1,1,1-trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment. Such use can cause serious chemical reaction and equipment rupture, and result in death, serious injury, and property damage. 309550Y...
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Page 9: Overall View
Optional Air Inlet Cleanoff Air Valve Piston Safety Lock Gun Fluid Manifold Mix Chamber Nozzle Optional Fluid Inlets (A Side Shown) Lock Ring Fluid Inlet Swivels (A Side Shown) Trigger Front Retaining Ring Gun Air Whip Hose Air Valve 309550Y... -
Page 10: Isocyanate Hazard
A side. Grounding WARNING Read warnings, page 8. Check your local electrical code and proportioner man- ual for detailed grounding instructions. Ground the spray gun through connection to a Graco-approved grounded fluid supply hose. 309550Y... -
Page 11: Turning Air Cap
• Push in piston safety lock, see page 10. Read warnings, page 7. • Close fluid valves A and B. Follow Pressure Relief Procedure, page 15. Close fluid valves A and B before turning air cap (C). TI2421A TI2421A 309550Y... -
Page 12: Setup
Front of air cap (C) should be approximately flush with front retaining ring (U). TI2409A Connect gun air whip hose (V) and air valve (W*) to main air hose. Attach fluid manifold (M) to gun. TI2414-1A * (W) Not included with spatter gun. TI2554A 309550Y... - Page 13 Air supply is required for gun actuation. Do not dis- connect gun air supply until fluid pressure is relieved, page 15. Open B (RESIN) fluid valve (about three half turns). Then open A (ISO) fluid valve. TI2414A Disengage piston safety lock, page 10. TI2410A 309550Y...
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Page 14: Shutdown
Use Graco 117773 Grease, see page 43. TI2415A Purge Air Fluid Cleanoff Air Replace grease cap. Grease TI3547a Round and Flat pattern guns only: Turn off air valve (W). Spatter pattern gun only: Shut down main air sup- ply. TI3546a 309550Y... -
Page 15: Pressure Relief Procedure
To relieve pressure in the hose after the gun is removed, place the fluid manifold over containers, fac- ing away from you. Very carefully open the fluid valves. Under high pressure, fluid will spray sideways from the fluid ports. TI2421A Disengage piston safety lock, page 10. TI2484A TI2410A 309550Y... -
Page 16: Optional Configurations
A component (isocyanate) and B component (resin) parts. Follow Pressure Relief Procedure, page 15. Disconnect air (D) and remove fluid manifold (M). TI2554A Remove Front End, page 27. Rotate fluid housing 180°. Attach Front End, page 28. 309550Y... -
Page 17: Optional Hose Position
Remove fitting (D) and plug (J). Reverse positions. Apply thread sealant and torque to 125-135 in-lb (14-15 N•m). TI2554A Disconnect fluid hoses from inlet swivels (A, B). Remove swivels. Remove plugs from optional inlets (P). TI2540A Attach fluid manifold. Connect air. Return gun to service. TI2417A 309550Y... -
Page 18: Flat Spray Tips
TI2648A page 44, to fit tip configuration. Tips marked on back with last 3 digits of part no. See Flat Tip Part No. Reference Guide, page Reinstall air cap hand tight. Cleaning hole align- ment to tip not important. 309550Y... -
Page 19: Maintenance
Applying a light coat of lubricant will make cleaning eas- Clean Check Valves, page 31. Check o-rings and ier. filters. As Needed Clean Outside of Gun, page 20. Clean Mix Chamber Nozzle, page 21, a minimum of once a day. Clean Air Cap, page 20. 309550Y... -
Page 20: Flush Gun
Dzolv, or equivalent to soften cured material. CAUTION These solvents are not recommended for flushing. Clean Air Cap Soak air cap in compatible solvent. Clean holes with #58 (.042) drill bit. Clean Muffler Remove and clean muffler with compatible solvent. 309550Y... -
Page 21: Clean Mix Chamber Nozzle
(1.50) (2.35) TI2554A AR5252 #50, .070 AF5252 3/32, .094 (1.75) (2.35) AR6060 #44, .086 Flush Gun, page 20. If gun will not flush, see page (2.15) AR7070 3/32, .094 (2.35) AR8686 #32, 0.116 (2.90) Remove Front End, page 27. 309550Y... - Page 22 #55, .052 (1.30) Push mix chamber back in position. TI3533a Mix Chambers AR and AF, Mix Chambers AR and AF, 2020 and 2929 4242 or larger Attach Front End, page 28. Attach fluid manifold. Connect air. Return gun to service. 309550Y...
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Page 23: Troubleshooting
Leakage between flat tip and mix Tip not seated properly. Reassemble, page 18. chamber. Damaged/missing o-ring (40). Replace, page 18. Pressure imbalance. Plugged impingement ports. Clean, page 21. Plugged check valves (26). Clean, page 31. Viscosities not equal. Adjust temperature to compensate. 309550Y... - Page 24 Air leak around lock ring. Damaged o-ring (21). Replace, page 29. Cannot tighten retaining ring (9) until Air cap (10) assembled before retain- Install retaining ring (9) first, then air it bottoms out. ing ring (9). cap (10), page 30. 309550Y...
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Page 25: Theory Of Operation
Gun Detriggered (Air Purging) Mix chamber (19) moves forward, shutting off fluid flow. Impingement ports (IP) open to air chamber (AC), allow- ing purge air to flow through mix chamber nozzle (N). See page 14 for use of grease fitting (G). 309550Y... -
Page 26: Cutaway View
Troubleshooting Cutaway View 17 15 D E F 18 (A Side) B Side not shown 309550Y... -
Page 27: Repair
Soak front of gun in solvent to soften cured material and free lock ring. Unscrew lock ring (R) until front end of gun is loose. Turn fluid housing (F) 1/8 turn counterclock- wise. Unscrew lock ring completely and remove front end of gun. TI2416A 309550Y... -
Page 28: Attach Front End
(Y) and tabs (Z). Push on front end to ensure This ensures that mix chamber is all the way back. it is properly seated. Continue screwing lock ring (R) onto handle (H) very securely. When properly assembled, lock ring is snug against handle. TI2422A TI2423A 309550Y... -
Page 29: Mix Chamber And Side Seal Cartridges
(24) on cleanoff air valve (8). Flush gun to remove residual A and B compo- nents, page 20. Follow Pressure Relief Proce- dure, page 15. Disconnect air. TI2426A Continued on page 30. TI2540A Remove Front End, page 27. 309550Y... - Page 30 Carefully inspect side seal cartridge o-rings and surfaces. Replace worn or damaged parts. Lib- erally lubricate o-rings (18d, 18e) and reassem- Attach fluid manifold. Connect air. Return gun to ble. Press on side seal (18c) to check proper service. spring (18b) operation. TI2427A 309550Y...
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Page 31: Check Valves
Attach fluid manifold. Connect air. Return gun to service. TI2540A CAUTION To prevent cross-contamination of the check valves, do not interchange A component and B component parts. The A component check valve is marked with an A. 309550Y... -
Page 32: Piston
Unscrew cylinder cap (5) and inspect o-ring (14). Attach Front End, page 28. Attach fluid manifold. Connect air. Return gun to service. TI2430A Push piston shaft to remove piston (15). Inspect piston o-ring (16) and shaft o-ring (17). TI2431A 309550Y... -
Page 33: Piston Safety Lock
Loctite® or equivalent to threads Liberally lubricate o-rings and reassemble. Torque on stop (28) and reassemble. plug (2) to 125-135 in-lb (14-15 N•m). Attach fluid manifold. Connect air. Return gun to Attach fluid manifold. Connect air. Return gun to service. service. 309550Y... -
Page 34: Parts
‡ ‡ ‡ ‡ see detail at right TI2435C Torque to 125-135 in-lb (14-15 N•m). Torque to 20-30 in-lb (2.3-3.4 N•m). Torque to 235-245 in-lb (26.6-27.7 N•m). Torque to 35-45 in-lb (4-5 N•m). Torque to 32-40 ft-lb (43-54 N•m). 309550Y... - Page 35 Round Pattern Guns, page 37 ◆ Included in Spatter Tip Kit 248414 (see page 36). CHAMBER, mix, flat; see Flat Pattern Guns, page 37 15C480 WASHER, wave 248132 O-RING; package of 6 ‡ 309550Y...
- Page 36 Supplied Tools Flush Manifold Detail 33 (Ref) ❖63 ❖64 ❖62 35 (Ref) TI4660C-1 4-Hose Fluid Manifold Detail TI3870A 12d (Ref) TI2647A TI7134A Torque to 125-135 in-lb (14-15 N•m). Torque to 235-245 in-lb (26.6-27.7 N•m). Torque to 32-40 ft-lb (43-54 N•m). 309550Y...
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Page 37: Mix Chamber Kits
Available only in flat mix chamber kits or in 246360 multi-pack kit. † Mix Chamber Part No. Reference Guide Sample part no. AR4242: AR=Air purge A orifice size B orifice size round pattern (.042 in.) (.042 in.) AF=Air purge flat pattern 309550Y... -
Page 38: Flat Tip Kits
Check Valve Filter Screen Kits Kits include 10 filter screens. 246357 40 mesh (.015 in., 375 micron) 246358 60 mesh (.010 in., 238 micron) 80 mesh filter screen is standard with gun. 246359 80 mesh (.007 in., 175 micron) 309550Y... -
Page 39: Drill Bit Kits
.082 2.08 246811 2 mm .079 2.00 246626 .070 1.78 249113 0.64 1.63 248893 1/16 .062 1.59 246627 .060 1.52 249112 1.45 mm .057 1.45 246809 .055 1.40 246628 .052 1.32 249764 1.20 mm .047 1.20 246814 .046 1.18 309550Y... -
Page 40: Air Purge Handle Cleanout Drill Kit
#80. Air Purge Handle Cleanout Drill Kit 248969 Kit includes all 5 drill bits of extra long length needed to clean out the air passages in the Air Purge gun handle and fluid housing. See Clean Passages, page 21. 309550Y... -
Page 41: Accessories
Polycarballoy Side Seal Kits Kits include a packing o-ring for each polycarballoy seal. The optional high wear, non-metallic polycarballoy seals are for alternate fluids. Kit Part No. Description No. of Seals Per Kit 249990 SEAL KIT, Polycarballoy 277298 SEAL KIT, Polycarballoy 309550Y... -
Page 42: Hose Adapter Kits
Includes air cap for use with extension tip kits 248010-248017. 246944 To connect non-Graco gun to Graco heated hose. 248029 To connect Graco Fusion gun to non-Graco D-gun hose set. 246945 To connect Graco Fusion gun to non-Graco heated hose. -
Page 43: Solvent Flush Canister Kit
Solvent Flush Canister Kit 248414 248139, 1 qt (0.95 liter) Solvent Cup To convert Fusion air purge gun to spray, round pattern Complete with15B817 Flushing Manifold to flush gun only, large droplet, low overspray applications. Includes with solvent. Portable for remote flushing. See manual air cap, tip, retainer, seal, and cleanout drill bits. -
Page 44: Tip Cleanout Tool
Designed to fit CeramTip internal dome and flat tip slits. Kit includes 11 tools and brushes to clean the gun. Circulation Manifold End for Mechanical Purge Tips End for Air 246362 Purge Tips Attach to gun fluid manifold to enable preheating of hose. See manual 309818. TI4244a TI3877a 309550Y... -
Page 45: Technical Data
AR2020 AR2929 AR3737 AR4242 AR5252 AR6060 AR7070 AR8686 80 (0.56, 5.6) (.022) (.039) (.056) (.073) (0.104) (0.129) (0.160) (0.200) 100 (0.7, 7) (.025) (.048) (.081) (.087) (0.129) (0.160) (0.200) (0.246) 11.3 130 (0.9, 9) (.034) (.064) (.090) (0.115) (0.165) (0.204) (0.258) (0.316) 309550Y... -
Page 46: Graco Standard Warranty
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.