Graco 312666R - Manual

Models/Mix Chamber Selection Guide 312666R 5 Flat Pattern Guns Mix Chamber Flat Tip Gun Part, Series Part Impingement Port Size in. (mm) Equivalent Size Part Pattern Size in. (mm) Orifice Size in. (mm) CS20F1, B FL2020 0.020 (0.50) -000 FT0424 8-10 (203-254) 0.024 (0.61) CS20F2, B FL2020 0.020 (0.50...

Models/Mix Chamber Selection Guide 6 312666R Wide Round Pattern Gun FLOW RATE i n gp m ( lpm)* PRESSURE in psi (MPa, bar) 2.25 (8.55) 3.0 (11.4) 0.75 (2.85) 1.5 (5.7) 0 FL01 01 w ith F TXX 38 ti p FL000 0 with FTXX3 8 tip 500 (3.5, 35) 1000 (6.9, 69) 1500 (10.3, 103) 2000 (13.8, 138) 2500 (17.4, 172...

Warnings 312666R 7 Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equip-ment. The exclamation point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-sp...

Overall View 312666R 9 Overall View Key: A A Side Fluid Valve (ISO) B B Side Fluid Valve (RESIN) (not shown) C Front Cover Retainer D Air Line Quick Coupler E Breather Plug F Fluid Housing (under cover) G Grease Fitting (under cover)H Handle L Piston Safety Lock/Flow Selector Knob M Gun Fluid Manifo...

ClearShot Liquid 10 312666R ClearShot Liquid Isocyanate Hazard Moisture Sensitivity of Isocyanates Isocyanates (ISO) are catalysts used in two component foam and polyurea coatings. ISO will react with moisture (such as humidity) to form small, hard, abrasive crystals, which become suspended in the f...

Keep Components A and B Separate 312666R 11 Keep Components A and B Separate Foam Resins with 245 fa Blowing Agents New foam blowing agents will froth at tempera-tures above 90°F (33°C) when not under pres-sure, especially if agitated. To reduce frothing, minimize preheating in a circulation system....

Grounding 12 312666R Grounding Check your local electrical code and propor-tioner manual for detailed grounding instruc-tions. Ground the spray gun through connection to a Graco-approved grounded fluid supply hose. Piston Safety Lock Engage piston safety lock whenever you stop spraying to avoid acci...

Remove Front Cover 312666R 13 Remove Front Cover 1. Follow Pressure Relief Procedure , page 17. 2. Ensure fluid valves A and B are closed before turning front cover retainer (C). Loss of Air Pressure In event of loss of air pressure, gun will con-tinue to spray. To shut off gun, do one of the follow...

Setup 14 312666R Setup 1. Close fluid valves A and B. 2. Connect A (ISO) and B (RESIN) fluid hoses to fluid manifold. 3. Purge air from fluid lines using feed pump pressure only (less than 500 psi (3.5 MPa, 35 bar)). a. Ensure fluid valves are closed. Open fluid manifold check valves 2 to 2-1/2 turn...

Shutdown 16 312666R Shutdown Overnight Shutdown 1. Follow Pressure Relief Procedure , page 17. 2. Leave air turned on and gun detriggered. 3. Unscrew and remove front cover retainer (C). Remove front cover (U). 4. Using grease gun, dispense a half shot of grease into fitting (G). Do not over-grease;...

Optional Hose Position 18 312666R Optional Hose Position Fluid inlet swivel fittings point to rear. If desired, these positions can be changed so hoses point downward. 1. Follow Pressure Relief Procedure , page 17. Also relieve system pressure, see pro-portioner manual. 2. Disconnect air (D) and rem...

Flat Spray Tips 312666R 19 Flat Spray Tips 1. Follow Pressure Relief Procedure , page 17. 2. Unscrew and remove front cover retainer (C). 3. Remove front cover (U) and o-ring (2b). Inspect o-ring. 4. Remove tip retainer (46) and tip (21). Inspect o-ring (47). 5. Remove fluid housing (F). Loosen A an...

Variable Flow 20 312666R Variable Flow Operation Reduced Flow To spray a reduced flow pattern, push in and turn flow selector knob to variable flow posi-tion. See F IG . 27. Full Flow To return to a full flow pattern, push in and turn flow selector knob to full flow position. See F IG . 27. Change V...

ClearShot Liquid Cartridge Installation/Removal 312666R 23 ClearShot Liquid Cartridge Installation/Removal Installation 1. Follow Pressure Relief Procedure , page 17. 2. Remove plastic cap from new ClearShot Liquid cartridge. 3. Insert cartridge into gun handle. Ensure cartridge tabs are aligned cor...

ClearShot Liquid Cartridge Installation/Removal 24 312666R Removal 1. Follow Pressure Relief Procedure , page 17. 2. Turn air valve (W) OFF. 3. Push in and turn cartridge 1/4 turn counter- clockwise (viewed from bottom). 4. Pull cartridge out of gun handle. Troubleshooting For ClearShot Liquid cartr...

Maintenance 312666R 25 Maintenance Supplied Tool Kit • Hex Nut Driver; 5/16 • Screwdriver; 1/8 blade • Nozzle Drill Bit; various sizes depending on nozzle size. See Table 1. • Impingement Port Drill Bit; various sizes depending on port size. See Table 3. • 117661 Pin Vise; dual reversible chucks • 1...

Maintenance 26 312666R Flush Gun 1. Follow Pressure Relief Procedure , page 17. 2. Flush with compatible solvent into a grounded metal pail, holding a metal part of fluid manifold firmly to side of pail. Use low-est possible fluid pressure when flushing. 3. Follow Pressure Relief Procedure , page 17...

Maintenance 312666R 27 Clean Fluid Manifold Clean fluid manifold fluid ports with compatible solvent and brush whenever removed from gun. Do not damage the internal sealing sur-faces. Fill fluid ports with grease if left exposed, to seal out moisture. Clean or Replace Fluid Screens 1. Follow Pressur...

Maintenance 28 312666R Clean Mix Chamber Nozzle 1. Engage piston safety lock, page 12. 2. Refer to Table 1. Also see identification chart under Drill Bit Kits , page 53. Use appropriate size drill bit to clean mix cham-ber nozzle (N). Table 1: Nozzle Drill Bit Sizes F IG . 39 TI11326a F IG . 40 Roun...

Maintenance 312666R 29 Clean Passages If necessary, clean out passages in fluid hous-ing and handle with drill bits. All drill bits are available in an accessory kit. Order kit 256526 for ClearShot Handle Drill Kit; see Accesso- ries , page 55. Clean Impingement Ports 1. Follow Pressure Relief Proce...

Theory of Operation 34 312666R Theory of Operation Gun Triggered (Fluid Spraying) Mix chamber (14) moves back, shutting off purge air flow. Impingement ports (IP) align with fluid ports of side seals (42, 43), allowing fluid to flow through mix chamber nozzle (N). Gun Detriggered (Air Purging) Mix c...

Theory of Operation 312666R 35 Cutaway View TI12091a 20 19 42 14 3 45 44 6 5 15 17 15 16 13 9 23 1 (Hose Manifold Assy.; see page 48) 4 (Piston Assy.; see page 44) 2 (Fluid Housing Assy.; see page 44)

Repair 36 312666R Repair Tools Required Tools required to complete gun repair proce-dures: • adjustable wrench • flat head screwdriver (included) • 5/16 hex nut driver (included) Lubrication See page 55 to order lubricant. Liberally lubri-cate all o-rings, seals, and threads. Remove Front End 1. Fol...

Repair 312666R 37 Attach Front End 1. Engage piston safety lock, page 12. 2. Liberally lubricate o-rings (2c, 2d) and reas- semble on fluid housing. Insert keyed end of mix chamber (14) in socket of piston assembly (4). 3. Push fluid housing (F) flush to handle. 4. Turn fluid housing 1/4 turn clockw...

Repair 312666R 41 Check Valves 1. Follow Pressure Relief Procedure , page 17. 2. Remove fluid manifold (M). Leave air con- nected. Clean Fluid Manifold , page 27. 3. Flush gun to remove residual A and B com- ponents. See Flush Gun , page 26. Follow Pressure Relief Procedure , page 17. 4. Disconnect ...

Repair 42 312666R 8. Liberally lubricate o-rings (44e, 44f) and carefully reinstall in fluid housing (F). Use hex nut driver to tighten. 9. Attach fluid manifold (M). Connect air (D). Return gun to service. Piston 1. Follow Pressure Relief Procedure , page 17 2. Disconnect air (D) and remove fluid m...

Repair 312666R 43 11. Reinstall piston. Shaft is keyed for proper assembly. Push firmly to seat piston. 12. Install variable flow adjustment knob (X). 13. Attach Front End , page 37. 14. Attach fluid manifold (M). 15. Install ClearShot Liquid cartridge. See ClearShot Liquid Cartridge Installa-tion/R...

Parts 44 312666R Parts Apply light coating of Fusion grease (31). Apply sealant to threads. Torque to 20-30 in-lb (2.3-3.4 N•m). Torque to 35-40 in-lb (4.0-4.5 N•m). 1 2 3 4 Seal Assembly (42) Detail Check Valve (44) Detail TI12104a TI12105a TI12098b 42d 42c 42b 42e 42a 44e 44d 44c 44b 44a 44f 3 5 6...

Parts 48 312666R Flat Pattern Detail Flush Manifold Detail Supplied Tools Detail Views Apply lubricant to seals. Apply sealant to threads. 1 3 2-Hose Fluid Manifold (1) Detail TI12106a TI3870a TI12107a TI12108a 36 37 1a 1b 1d 1g 1j 1k 1e 1h 1f 40 14 47 21 46 25-27 1d 49 50 Fluid Inlet Cover Detail 1...

Parts 312666R 49 Mix Chamber Kits Round Pattern Mix Chamber Kits Wide Pattern Mix Chamber Kits Kits include mix chamber and cleanout drills. To spray larger diameter patterns than standard mix chambers. Mix Chamber Kit (includes drill bits) Pattern Diameter at 24 in. (609.6 mm) to target in (mm) Noz...

Parts 50 312666R Flat Pattern Mix Chamber Kits † Available only in flat mix chamber kits or in 246360 multi-pack kit. Mix Chamber Part Reference Guide Sample part RD0101: Flat Tip Kits Flat Tip Part Reference Guide Sample part FT0848: Mix Chamber Kit (includes drill bits and o-ring) Ref. 47 † , O-ri...

Parts 54 312666R ClearShot Handle Cleanout Drill Kit 256526 Kit includes all 7 drill bits of extra length needed to clean out all air passages in the Fusion CS gun handle and fluid housing. See Clean Passages , page 29. 246629 6 #58 0.042 1.07 246808 6 #60 0.040 1.02 248640 6 #61 0.039 0.99 248618 6...

Accessories 56 312666R Solvent Flush Canister Kit 256510, 1 qt (0.95 liter) Solvent Cup Includes flushing manifold to flush gun with solvent. Portable for remote flushing. See manual 309963. Solvent Flush Pail Kit 248229 5.0 gal. (19 liter) Pail Includes flush manifold with individual A and B shutof...

Technical Data 312666R 57 Technical Data All other brand names or marks are used for identification purposes and are trademarks of their respective owners. Air Flow Data Category Data Maximum Fluid Working Pressure 3500 psi (24.5 MPa, 245 bar) Minimum Air Inlet Pressure 80 psi (0.56 MPa, 5.6 bar) Ma...

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 Eng...