Manuale d’uso / di manutenzione del prodotto TI3840a del fabbricante Graco
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309856U Instructions-Parts Plural Component, Impingement Mix Mechanical Purge Spray Gun For use with non-flammable foam and polyurea. Not for use in explosive atmospheres. For professional use only. 3500 psi (24.2 MPa, 242 bar) Maximum Fluid Working Pressure 80-130 psi (0.
2 309856U Contents M a n u a lC o n v e n t i o n s ........................ 3 List of Models/Selection Guide ............... 4 Standard Round Pattern Guns .............. 4 Standard Flat Pattern Guns ................ 5 Direct Impingement Round Pattern Guns .
Manual Conventions 309856U 3 Manual Conventions Warning Caution Note WARNING A warning alerts you to possible serious injury or death if you do not follow instructions. Symbols, such as fluid injection (shown), alert you to a specific hazard and direct you to read the indicated hazard warnings on pages 9-10.
List of Models/Selection Guide 4 309856U List of Models/Selection Guide Standard Round Pattern Guns Use only these mix module/tip combinations. Gun Part No., Series Slip-Fit ™ Polycarballoy ™ Mix Module Part No., see page 48 for numbering code Round CeramTip ™ Part No.
List of Models/Selection Guide 309856U 5 Standard Flat Pattern Guns Use only these mix module/tip combinations. Gun Part No., Series Slip-Fit ™ Polycarballoy ™ Mix Module Part No.
List of Models/Selection Guide 6 309856U Direct Impingement Round Pattern Guns Use only these mix module/tip combinations. Gun Part No., Series Slip-Fit ™ Polycarballoy ™ Mix Module Part No., see page 48 for numbering code Round CeramTip ™ Part No.
List of Models/Selection Guide 309856U 7 Direct Impingement Flat Pattern Guns Use only these mix module/tip combinations. Gun Part No., Series Slip-Fit ™ Polycarballoy ™ Mix Module Part No., see page 48 for numbering code Flat CeramTip ™ Part No.
List of Models/Selection Guide 8 309856U Direct Impingement Flat Pattern Guns Four-Hose Gun Wide Round Pattern Gun with Four-Hose Recirculating Gun Manifold FLOW RATE in gpm (lpm)* PRESSURE in psi (MPa, bar) 2.0 (7.6) 1.6 (6.0) 1.2 (4.5) 0.4 (1.5) 0.8 (3.
Warning 309856U 9 WARNING PERSONAL PROTECTIVE EQUIPMENT You must wear proper protective equipment when operating, servicing, or when in the operating area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic fumes, burns, and hearing loss.
Warning 10 309856U FIRE AND EXPLOSION HAZARD Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent fire and explosion: • Use equipment only in well ventilated area.
Overall View 309856U 11 Overall View Key: A A Side Fluid Valve (ISO) B B Side Fluid Valve (RESIN) C Air Cap D Air Line Quick Coupler E Muffler F Fluid Housing G Gun Fluid Manifold H Handle J Optional .
Isocyanate Hazard 12 309856U Isocyanate Hazard Keep A and B Components Separate Grounding 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.
Setup 309856U 13 Setup 1. Close fluid valves A and B. 2. Connect A (ISO) and B (RESIN) fluid hoses to fluid manifold. 3. Engage piston safety lock, page 12. TI2411A A (ISO) B (RESIN) TI2417A TI3850a 4. Connect gun air whip hose (T) and air valve (U) to main air hose.
Setup 14 309856U 8. Open B (RESIN) fluid valve (about three half turns). Then open A (ISO) fluid valve. 9. Disengage piston safety lock, page 12. 10. Test spray onto cardboard.
Adjust Purge Rod 309856U 15 Adjust Purge Rod 1. Engage piston safety lock, page 12. 2. Close fluid valves A and B. TI3850a TI3837a U A B 3. Connect air supply and open air valve (U). 4. Adjust purge rod with nut driver clockwise until it just touches CeramTip, then back off 1/8-1/4 turn.
Adjust Flat CeramTip 16 309856U Adjust Flat CeramTip WARNING Read warnings, page 9. 1. Engage piston safety lock, page 12. 2. Close fluid valves A and B. TI3850a TI3837a U A B 3. Remove air cap (9). 4. Using nut driver, position CeramTip as desired. 5.
Shutdown 309856U 17 Shutdown Daily Shutdown Follow Pressure Relief Procedure , page 18. Shutdown for More than a Day 1. Flush Gun , page 22. 2. Follow Pressure Relief Procedure , page 18.
Pressure Relief Procedure 18 309856U Pressure Relief Procedure WARNING Read warnings, page 9. Relieve pressure before cleaning or repairing gun. 1. Engage piston safety lock, page 12. Air supply is required for gun actuation. Do not disconnect gun air supply until fluid pressure is relieved.
Optional Configurations 309856U 19 Optional Configurations Optional Fluid Manifold Position Fluid manifold is mounted to bottom of gun, with A side on left, viewed from operator’s position at back of gun. If desired, manifold may be moved to top of gun.
Optional Configurations 20 309856U Optional Hose Position Fluid inlet swivels and air quick disconnect fitting point to rear. If desired, these positions can be changed so hoses travel downward. Fluid Hoses Air Hose CAUTION To prevent cross-contamination of gun’s wetted parts, do not interchange A component (ISO) and B compo- nent (RESIN) parts.
Maintenance 309856U 21 Maintenance Supplied Tool Kit • Hex Nut Driver; 5/16 • Screwdriver; 1/8 blade • CeramTip Drill Bit; various sizes depending on CeramTip size. See T ABLE 2, page 26. • Mix Module Drill Bit; various sizes depending on port size.
Maintenance 22 309856U Flush Gun If it is necessary to flush gun, use following procedure. Clean Outside of Gun Wipe off outside of gun with compatible solvent. Clean Air Cap Soak air cap in compatible solvent. If necessary, clean gently with stiff brush.
Maintenance 309856U 23 Clean Slip-Fit Polycarballoy Mix Module 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Remove mix module, page 38. CAUTION To avoid damaging mix module, do not force drill bits when cleaning impingement ports.
Maintenance 24 309856U Table 1: Impingement Port Cleanout Drill Sizes Standard Round Slip-Fit Polycarballoy Mix Modules Mix Module Part No. No. of Impingement Ports Impingement Port Drill Counterbore Drill A B Drill Size (nominal) Drill Diameter in. (mm) Drill Size (nominal) Drill Diameter in.
Maintenance 309856U 25 Direct Impingement Flat Slip-Fit Polycarballoy Mix Modules Mix Module Part No. No. of Impingement Ports Impingement Port Drill Counterbore Drill A B Drill Size (nominal) Drill Diameter in. (mm) Drill Size (nominal) Drill Diameter in.
Maintenance 26 309856U Clean CeramTip Round CeramTip Flat CeramTip External Quick Cleaning Method 1. Follow Pressure Relief Procedure , page 18. 2. Remove CeramTip, page 34. 3. Clean CeramTip hole with appropriate size drill (supplied). See T ABLE 2. Also see identification chart under Drill Bit Kits , page 51.
Maintenance 309856U 27 Stuck Purge Rod If purge rod (31) is stuck and cannot actuate, use this procedure to free it. Clean Purge Rod Clean purge rod (31) weekly or monthly. 3. Clean CeramTip hole (E) with appropriate size drill (supplied). See T ABLE 2.
Maintenance 28 309856U Adjust Front Rod Seal If fluid misting occurs from tip when gun is not triggered, use following procedure to temporarily stop leakage until parts are replaced. 3. Disconnect air (D) and remove fluid manifold (G). 4. Disassemble Front End , page 35.
Maintenance 309856U 29 Adjust Rear Rod Seal 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Remove fluid manifold (G). Leave air connected. 4. Disassemble Front End , page 35. 5. Assemble fluid housing (7) backwards onto lubri- cated purge rod (31).
Troubleshooting 30 309856U Troubleshooting 1. Follow Pressure Relief Procedure , page 18, before checking or repairing gun. 2. Check all possible problems and causes before disassembling gun. CAUTION To prevent cross-contamination of the gun’s wetted parts, do not interchange A component (isocyanate) and B component (resin) parts.
Troubleshooting 309856U 31 Loss of round pattern. Dirty CeramTip (40). Clean, page 26. Too little cleanoff air. Readjust, page 13. Loss of flat pattern. Plugged CeramTip (40). Clean in compatible solvent. Worn CeramTip (40). Replace, page 34. Pressure imbalance.
Troubleshooting 32 309856U Theory of Operation Gun Triggered (Fluid Spraying) Purge rod (31) moves back, opening impingement ports (IP). Components A and B combine in mix module (39). Fluid sprays from CeramTip (40). Cleanoff air flows whether gun is triggered or detrig- gered.
Troubleshooting 309856U 33 Cutaway View 44 19 31 16 24 9 21 3 36 12b 22 28 25 40 48 39 18 14 20.
Repair 34 309856U Repair Tools Required Tools needed for complete gun repair: • adjustable wrench • flat head screwdriver (included) • channel-lock pliers (2 pair) • 5/16 hex nut driver (inclu.
Repair 309856U 35 Disassemble Front End WARNING Read warnings, page 9. Proper attachment of front end is critical. Do not operate gun if front end is loose or lock ring is not snug against handle. 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22.
Repair 36 309856U Reassemble Front End 1. Check that o-rings (20, 21) are in position. Liberally lubricate o-rings, threads of lock ring (11) and han- dle (1), and outside of lock ring. 2. Orient front end as required for desired fluid mani- fold mounting (bottom mounting shown).
Repair 309856U 37 CAUTION Do not overtighten mix module nut (25). Overtighten- ing can deform impingement holes and cause slow gun actuation. 5. Lubricate all threads and reassemble mix module nut (25) fingertight . Tighten additional 1/12 turn with air cap (9) or wrench.
Repair 38 309856U Slip-Fit Polycarballoy Mix Module See page 48 for available Slip-Fit Polycarballoy Mix Module sizes. 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Remove fluid manifold (G). Leave air connected. 4. Remove air cap (9), retainer (28), and CeramTip (40).
Repair 309856U 39 CAUTION Do not overtighten mix module nut (25). Overtighten- ing can deform impingement holes and cause slow gun actuation. 8. Lubricate all threads and reassemble mix module nut (25) fingertight . Tighten additional 1/12 turn with air cap (9) or wrench.
Repair 40 309856U Rear Rod Seal 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Remove fluid manifold (G). Leave air connected. 4. Disassemble Front End , page 35. 5. Remove rear rod seal nut (23) with nut driver (53). 6. Push out rear seal (46) with screwdriver (54).
Repair 309856U 41 Check Valves Before disassembling, press on ball (36c) to test check valve for proper movement and spring action. 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Disconnect air (D) and remove fluid manifold (G).
Repair 42 309856U Piston and Purge Rod 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Disconnect air (D) and remove fluid manifold (G). 4. Disassemble Front End , page 35. 5. Unscrew purge rod stop (15) to remove piston safety lock assembly.
Repair 309856U 43 9. Install piston safety lock assembly until bottomed out. 10. Reassemble Front End , page 36. 11. Adjust Purge Rod , page 15. 12. Attach fluid manifold.
Repair 44 309856U Piston Safety Lock Air Valve 1. Follow Pressure Relief Procedure , page 18. 2. Flush Gun , page 22. 3. Disconnect air (D) and remove fluid manifold (G). 4. Unscrew cap (10) from stop (15), using two pair of channel-lock pliers. Inspect spring (17), safety actuator (3), bushing (4), and o-rings (14, 18).
Notes 309856U 45 Notes.
Parts 46 309856U Parts TI3851c TI2647a 92 8 46* †‡ 25 39 19 32 16* 8 31 14* ★ 15 ★ 10 ★ 17 ★ 59 ★ 3 ★ 18 ★ 18 1 35 ‡ ◆ 11 ‡ ◆ 23 ‡ 46* †‡ 21* ‡ ◆ 20 ‡ 44 ‡ *24 .
Parts 309856U 47 * These parts are only available in repair kits. To select a kit, refer to Gun Repair Kits on page 52. † These parts are not available singly. ‡ These parts are included in Front End Replacement Kit 246875 (includes 1 of items 24 and 46).
Parts 48 309856U Slip-Fit Polycarballoy Mix Module Kits Slip-Fit Polycarballoy Mix Module Part Numbering Code *** Some modules have multiple impingement ports (see below).
Parts 309856U 49 Direct Impingement Round Pattern Guns Direct Impingement Flat Pattern Guns **For further information, see identification chart under Drill Bit Kits , page 51.
Parts 50 309856U CeramTip Kits Round CeramTip Part Numbering Code Round CeramTips (include drill bit) **For further information, see identification chart under Drill Bit Kits , page 51. Flat CeramTip Part Numbering Code Flat CeramTips Example Part No.
Parts 309856U 51 Drill Bit Kits For cleaning gun ports and orifices. Illustrations are for diameter comparison. Actual length may vary. Not all sizes are used with your gun. Kit Part No. Qty in Kit Drill Bit Size Illustration nominal in. mm 246623 3 #32 0.
Parts 52 309856U Gun Repair Kits Read the chart left to right and top to bottom to find the quantity of each part in the kits. Check Valve Filter Screen Kits (10 per kit) 80 mesh filter screen is standard with gun. 246357 40 mesh (.015 in., 375 micron) 246358 60 mesh (.
Accessories 309856U 53 Accessories Gun Cover 244915 Keeps gun clean while spraying. Pack of 10. Fusion Gun Lubricant Kit 248279 Pack of 10 Tubes, 4 oz (113 gram) High adhesion, water resistant, lithium-based lubricant for rebuilding Fusion Gun. MSDS sheet MSD025 avail- able at www.
Accessories 54 309856U Solvent Flush Pail Kit 248229 5.0 gal. (19 liter) Pail Includes flush manifold with individual A and B shutoff valves, and air regulator. See manual 309963. Hose Adapter Kits 246944 To connect non-Graco gun to Graco heated hose.
Technical Data 309856U 55 Technical Data $OORWKHUEUDQGQDPHVRUPDUNVDUHXVHGIRULGHQWLILFDWLRQSXUSRVHVDQGDUHWUDGHPDUNVRIWKHLUUHVSHFWLYHRZQHUV Category Data Maximum Fluid Working Pressure 3500 psi (24.2 MPa, 242 bar) Minimum Air Inlet Pressure 80 psi (0.
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. )RUSDWHQWLQIRUPDWLRQ VHH ZZZJUDFRFRPSDWHQWV Original instructions.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Graco TI3840a è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Graco TI3840a - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Graco TI3840a imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Graco TI3840a ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Graco TI3840a, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Graco TI3840a.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Graco TI3840a. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Graco TI3840a insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
