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Graco Inc. 295533 manuel d'utilisation

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Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Graco Inc. 295533, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

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Table des matières du manuel d’utilisation

  • Page 1

    311320G Operation, P ar ts , Ser vice and Repair Model D Spra y Gun For use with non-flammab le poly urethane fo ams. For pr ofessional use onl y . Not f or use in explosive atmospheres. See page 2 f or model inf or mation. 1000 psi (7 MP a, 70 bar) Maximum Working Pressure Important Safety Instructions Read all w ar nings and instructions in this [...]

  • Page 2

    Models 2 311320G Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Overall View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Major Comp onents . . . . . . . . . . . . . . . . . . . . . . . 5 Center line Compo nents [...]

  • Page 3

    Warnings 311320G 3 W arnings The f ollo wing general warnings are f or the setup , use, grounding, maintena nce, and repair of this equipment. Additional, mo re specific warnings may be f ound throughout the body of this manual where applicable . Symbols appearing in the body of the manual ref er to these general w ar nings. When these symbols appe[...]

  • Page 4

    Warnings 4 311320G FIRE AND EXPLOSION HAZARD Flammab le fumes, such as solv ent and paint fumes, in w ork area can ignite or e xplode. T o help pre vent fire and e xplosion: • Use equ ipment only in well v entilated area. • Eliminate all ignition sources; such as pilot lights , cigarettes , por table electric lamps, and plastic drop cloths (pot[...]

  • Page 5

    Overall View 311320G 5 Overall Vie w Major Components F IG . 1: Major Components Spring Retainer Case V alving Rod Closure Spring V alving Rod P ositioner V alving Rod Adjustment Screw V alving Rod Stop Bar V alving Rod Piston Rod Tr i g g e r Air Cap Ad justment V alve Gun Bloc k Coupling Block Coupling Bloc k Mounting Scre w[...]

  • Page 6

    Overall Vi ew 6 311320G Centerline Components F IG . 2: Centerline Components Coupling Block Gask ets Air Cap Mixing Chamber Case Snap Ring Screen Seal A-Iso Check V alve Screen Scre w Gun Block Mounting Scre w O-Ring Closure Screw V alving Rod Assembl y Felt Wiper Reta iner Gun Bloc k R-Resin Check V alve Screen Mounting Screw[...]

  • Page 7

    Operation Basics 311320G 7 Operation Basics Isocy anate Hazar d K eep A and B Components Separate Gr ounding Check y our local electr ical code and propor- tioner manual f or detailed grounding instruc- tions. Ground the spra y guy th rough connection to a Graco-appro v ed grounded fluid supply hose . Coupling Bloc k Install Coupling Bloc k 1. Insp[...]

  • Page 8

    Operation Basics 8 311320G Manual V alves 1. Open manual v alves using 5/16 in. nut driver; tur n manual v alv es counterclock- wise approximately three full turns. Do not open until it bottoms out. 2. Close manual v alves by turning fully clock- wise. F IG . 4: Manual V alves Remo ve Coupling Block 1. Disconnect air hose. 2. Close both manual v al[...]

  • Page 9

    Operation Basics 311320G 9 Air Hose Connection T o CONNECT air hoses, pull back slee ve of f emale fitting, inser t male fitting and slide slee v e f orward to secure connection. T o DISCONNECT air hose s, pull bac k slee ve of f emale fitting and re mov e male fitting. F IG . 5: Air Hose Connection V alving Rod Adjustment Screw Use to regulate amo[...]

  • Page 10

    Operation Basics 10 311320G Air Cap Adjustment V alve Use to control amount of air that passes through air cap and ov er mixing chamber tip. Airflow helps k eep tip fr ee of spray ed chemical. T oo much air ma y distor t spra y patter n and create ov erspread. T oo little air will not prop- erly clean end of valving rod. T o OPEN valv e, tur n knob[...]

  • Page 11

    Initial Se t Up 311320G 11 Initial Set Up 1. Remov e coupling bloc k from gun. 2. Check v alving rod clearance in closed posi- tion. Rod should e xt end appro ximately 1/32 in. (1 mm) be yond tip of mixing chamber . If it does not, see V alving Rod Adjustment procedure, page 21. F IG . 9: V alving Rod (Closed P osition) 3. Adjust v alving rod tra v[...]

  • Page 12

    Daily Start-Up 12 311320G Dail y Star t-Up 1. Connect air supply to gun, page 9. 2. Adjust air cap v alv e, page 10. 3. Saturate f elt in felt wiper with gun cleaner using flush can. 4. T r igger gun multiple times to ensure v alving rod mov es the full tra v el quickly and freely . 5. Open both manual v alves, page 8. 6. T est spra y on disposab l[...]

  • Page 13

    Pressure Relief Procedure 311320G 13 Pressure Relief Pr ocedure 1. Close both manual v alves. 2. T r igger gun once onto waste area to relie ve fluid pressure in front end of gun. 3. Disconnect gun air supply , page 9. 4. If gun is remov ed from coupling bloc k, f ol- low Clean Spr a y Gun Procedure, page 18. Relie v e pressure bef ore cleaning or [...]

  • Page 14

    Spray Pattern Adjustment 14 311320G Spra y P attern Adjustment 1. Check v alving rod clearance in closed posi- tion. Rod should e x tend appro ximately 1/32 in. (1 mm) be yond tip of mixing chamber . If it does not, see V a lving Rod Adjustment procedure, page 21. F IG . 10: V alving Rod (Closed P osition) 2. Adjust v alving rod tra v el to initial[...]

  • Page 15

    Spray Pattern Adjustment 311320G 15 ter n opens as adjustment is made (F IG . 12). F IG . 12: Opening Spray P attern 5. Fine tune spra y patter n: a. After you bac k out adjustment screw , make fine adjustments (1/8 turns or less in either direction as required) to obtain patter n shown in F IG . 13. Moving the screw out be yond this point ma y cau[...]

  • Page 16

    Spray Pattern Adjustment 16 311320G e. If b uildup recurs shor tly after cleaning tip , remov e air cap and ensure inside is clean. Reinstall air cap and ensur e airflow is properly set. If no b uildup occurred on air cap , check the f ol- lowing items in this orde r and readjust if neces- sar y: • Chec k V alving Rod Adjustment Screw/Slee ve set[...]

  • Page 17

    Maintenance 311320G 17 Maintenance Gun Service Kits Use either the 1-Q uar t Gun Ser vice Kit (296980) or 3-Gallon G un Ser vice Kit (296981) to perf orm daily flushi ng of spra y gun without disassembly . F IG . 15: 1-Quart Gun Service Kit F or more inf or mation about the 1-Quar t Gun Ser vice Kit, s ee manual 311340. F IG . 16: 3-Gallon Gun Serv[...]

  • Page 18

    Maintenance 18 311320G Clean Spra y Gun Pr ocedure Thoroughly flush gun bloc k with gun cleaner bef ore removing v alving rod or mixing compo- nents from gun bl ock. Also allo w chemicals in spra y gun to cool before cleaning. This procedure makes use of the 1-Quart or 3-Gallon Gun Service Kit. 1. Close both manual v alves. 2. Remov e gun from coup[...]

  • Page 19

    Repair 311320G 19 Repair Filter Screen Remo v al and Service 1. P erf orm Pressure Relief Procedure (page 13) and Clean Spra y Gun Procedure, page 18. 2. Unthread screen mounting screw . Remov e screen mounting screw and filter screen assembly from gun b lock. F IG . 17: Filter Screen Assembl y 3. Remov e screen screw retainer (snap ring at end of [...]

  • Page 20

    Repair 20 311320G Clean Injection Slots 1. P erf orm Pressure Relief Procedure (page 13) and Clean Spra y Gun Procedure, page 18. 2. Remov e check v alv es . F IG . 18: Check V alves 3. Inspect check v alves to ensure slee ve is secured, and place chec k v alv es in sepa- rate containers of gun cleaner . 4. Flush cleanout por ts with gun cleaner . [...]

  • Page 21

    Repair 311320G 21 V alving Rod Adjustment In closed position, v a lving rod should e xtend appro ximately 1/32 in. (1 mm) bey ond tip of mixing chamber . If it does not, f ollow this pro- cedure: F IG . 19: V alving Rod (Closed P osition) 1. P erf orm Pressure Relief Procedure (page 13) and Clean Spra y Gun Procedure, page 18. 2. Disconnect air sup[...]

  • Page 22

    Repair 22 311320G Centerline Component Remo v al 1. P erf orm Pressure Relief Procedure (page 13) and Clean Spra y Gun Procedure, page 18. 2. Remov e air cap by han d, tur ning it counter- clockwise . 3. Remov e screen screw assemb ly . Flush and place in gun cleaner . 4. Remov e check v alv es. Flush and place in gun cleaner . 5. Flush screen scre[...]

  • Page 23

    Repair 311320G 23 a. Remov e ball and spr ing assembly . Hold ball and unscre w assembly . If dir t or material build-up pre v ents complete remov al of the spr ing, screw it bac k in. Soak assembly in gun cleaner and try to remov e it again. If ball and spr ing assembly cannot be remo ved undam- aged, replace it. b . Use check v alve cleanout dril[...]

  • Page 24

    Repair 24 311320G Centerline Component Installation 1. Remov e fe lt wiper assembly from rear of mixing chamber . 2. Ensure inter nal mixing chamber par ts are in place. 3. Inser t chamber into gun bloc k. Align k ey- wa y in chamber with pin protruding from top of hole in b lock. F IG . 25: Mixing Chamber Insertion 4. Press chamber into bloc k so [...]

  • Page 25

    Repair 311320G 25 10. Replace valving rod spring and spr ing retainer case. Gr asp knob , push in, and tur n clockwise to loc k in place. 11. Replace air cap. 12. Replace check v alv es and screen scre w assemb ly . 13. Replace closure screw in top of gun b loc k. 14. Mount gun onto coupling block. 15. Connect air supply to gun. 16. Adjust felt wip[...]

  • Page 26

    Parts 26 311320G Pa r t s Model D Spra y Gun Assembl y M L K AF Z B X U V E W AC AK AB AA G AP AL AS Y J F B AD H A S AG AJ D AM D R AE N AN AR AQ T D C AT[...]

  • Page 27

    Parts 311320G 27 Model D Spra y Gun Assembl y ❄ Purchase Air V alve Rep air Kit 296125 (purchase se p- arately). In cludes Needle V alve P acking. ★ Not shown. d T able 1: Model D Gun Assembl y , P arts by Model Number Ref. No. P ar t No. D escription Qty . A 295591 He x nipple, 1/8 in. MPT , steel 1 B 295185 Mounting screw , 1/2 in. LG 2 C 296[...]

  • Page 28

    Parts 28 311320G T able 2: Model D Gun Assembl y , Parts b y Mixing Chamber Size Mixing Chamber Size Reference Size 46 55 62 70 78 K (valving rod) 296578 296579 296580 296581 296582 AC ( c h a m b e r ) 296594 (N-800) 296595 (N-810) 296584 (L-800) 296590 (L-800-LM) 296585 (L-810) 296591 (L-810-LM) 296597 (N) 296586 (L) 296592 (L-LM) 296598 (N) 2965[...]

  • Page 29

    Parts 311320G 29 Standar d Mixing Chamber s Six standard mixing chambe rs are av ailable. The f ollowing tabl e provides a gener al description about use and operational perf or mance of each chamber . Ac tual patter n sizes and outputs achie v ed ma y v ar y depending on mate r ial viscosity , hose length, c ondition of equipment, en viron- ment, [...]

  • Page 30

    Parts 30 311320G Air Cylinder Assembl y P art Number 296632 ❄ P ar ts included in Air Cylinder S eal Kit 296725 (pur chase separately) ▲ Replacement Danger and W ar ning labels, t ags , and cards are av ai lable at no cost. Ref. No. P art No. Description Qty . A ❄ 107083 O-ring, fluoroelastomer 1 B 295494 P an head machine screw , 8-32 x 3/16[...]

  • Page 31

    Parts 311320G 31 Coupling Bloc k Assembl y Model 295887 (Standard) Model 295884 (Recirc) Model 295887 Model 295884 A G G E D C B A F E D E A D A G F B C Ref. No. P art No. Description Qty . A 295662 Flush seal pipe plug, 1/8 in. 2 B 295888 R-swiv el fitting 1 C 295889 A-s wiv el fitting 1 D 296626 Manual v alve assemb ly (pack of 2) - E 295619 Moun[...]

  • Page 32

    Notes 32 311320G Notes[...]

  • Page 33

    Technical Data 311320G 33 T echnical Data * Theoretical: actual re sults will vary with operating conditions Category Data Maximum Fluid W or king Pressu re 1000 psi (7 MP a, 70 bar) Maximum Air Inlet Pressure 100 psi (0.75 MP a, 7.5 bar) Minimum Air Inlet Pressure 90 psi (0.6 MP a , 6 bar) Maximum Output (flow r ate) 16 lbs/min (7.3 kg/min) * Mini[...]

  • Page 34

    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. Original instructions. This manual contains English. MM 311320 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea[...]