Gebruiksaanwijzing /service van het product 311320H van de fabrikant Graco
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311320H Oper ation, P ar ts , Se r vice and Re pair Model D Spra y Gun For use with non-flammable pol yurethane f oams. For pr ofessional use only . Not f or use in explosive atmospheres.
Model s 2 311320H Contents Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Overall View . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warnings 311320H 3 W arni ngs The f o llow ing gene ral wa r nings a re f or the setup , use, g roun ding, ma inten ance , and re pair o f this equi pmen t. Add itio nal, m ore spe cific war nings ma y be found thr ough out th e bo dy of thi s manua l where ap plicable.
Warnings 4 311320H FIRE AND EXPLOSION HAZARD Flammabl e fumes, such as solv ent and paint fumes, in w ork area can i gni te or expl ode. T o help pre v ent fire and e xpl osion: • U se equipment only in we ll vent ilated area.
Overall View 311320H 5 Overall Vie w Major Co mpon ents F IG . 1: Major Components Spring Retainer Case V alving Rod Cl osure Spring V a lving Rod P ositioner V a lving Rod Adjustment Screw V alving R.
Overal l View 6 311320H Centerline Componen ts F IG . 2: Centerline Components Coupling Bloc k Gaskets Air Cap Mixing Chamber Case Snap Ri ng Scree n Seal A-Iso Check V alve Scree n Screw Gun Bloc k M.
Operat ion Basics 311320H 7 Operation Basics Isocy anate H azard K eep A and B Components Separate Gr oundi ng Chec k y our l ocal ele ctrical code an d prop or- tione r manual for detailed grou nding in str uc- tions. Ground the spr a y guy thro ugh conne ction to a Graco- appro v ed gr ounded flui d supply hose .
Operati on Basics 8 311320H Manual V alve s 1. Open man ual v alv es using 5/16 in. n ut dr iver ; tur n manual valv es co unter clock- wise appro ximately three full turns. Do not open un til it bo ttoms o ut. 2. Close ma nual v alv es by turn ing fully clock- wise.
Operat ion Basics 311320H 9 Air Hose Connection T o CONNECT air hoses , pull back slee v e of f emale fi tting, inser t male fitting and slide slee v e f orwar d to secure connectio n. T o DISCO NNECT ai r hoses, pull ba ck sleev e of f ema le fitting an d remov e male fitting.
Operati on Basics 10 311320H Air Cap Adjustment V alve Use to control amount of air tha t passes throug h air cap and o v er m ixing chamber ti p . Airflo w he lps k eep tip fr ee of spr a ye d chemica l. T oo m uch air ma y disto r t spra y patter n and create ov e rspread.
Initial Se t Up 311320H 11 Initial Set Up 1. Remo v e coup ling b loc k fro m gun. 2. Ch eck v alvi ng rod cl earanc e in c losed posi- tion. Rod shou ld extend ap proximate ly 1/ 32 in. (1 mm) bey ond tip o f mixing chamb er . If it does not, see V alving Ro d Adjustment proced ure , page 2 1.
Daily Start-Up 12 311320H Dail y Star t-Up 1. Co nnect air s upply to gun, pa ge 9. 2. Adjust air cap val ve , pag e 10. 3. Satu rate f elt in f e lt wiper with gun cleane r usin g flush can. 4. T r igge r gun multiple times to ens ure valving rod mo v es the fu ll tr av el quic kly and fre ely .
Pressure R elief Proced ure 311320H 13 Pressure Relief Pr ocedure 1. Clo se both manual valves. 2. T r igger gun once on to w aste ar ea to rel ie v e fluid p ressure in front e nd of gun . 3. Dis conn ect gu n air su pply , pa ge 9. 4. If gun i s remo v ed fr om coupli ng b loc k, f ol - low Clean Spray Gun Proced ure, page 18.
Spray Patt ern Adjustm ent 14 311320H Spra y P attern Adjustment 1. Ch eck v alvi ng rod c lea rance in closed pos i- tion. Rod shou ld extend ap proximate ly 1/ 32 in. (1 mm) bey ond tip o f mixing chamb er . If it does not, see V alving Ro d Adjustment proced ure , page 2 1.
Spray Pattern Adj ustment 311320H 15 tern opens as a djustment is made (F IG . 12). F IG . 12: Opening Spr ay P attern 5. Fine tune spra y pattern: a. After y ou b ack out ad justment scre w , mak e fine adjustments (1/8 turns or less in eith er direct ion a s requir ed) to obta in patte r n sh own in F IG .
Spray Patt ern Adjustm ent 16 311320H e. I f buildup re curs s hor tly aft er cl eani ng tip , remo v e air cap an d ensure inside is clean. Rein stall air cap and ensur e airflo w is prop erly set.
Mainten ance 311320H 17 Maintenance Gun Service Kits Use either th e 1-Quar t Gun Ser vice Kit (29698 0) or 3-Ga llon G un Se r vic e Kit ( 2969 81) to per f orm daily flu shing of spra y gun witho ut disassemb ly . F IG . 15: 1-Quar t Gun Service Kit F or more inf or mation a bout the 1-Quar t Gun Service Kit, see man ual 311 340.
Maint ena nce 18 311320H Clean Spra y Gun Pr ocedure Thorou ghly flush gun b loc k with gun cleane r bef o re remo ving v alvin g rod o r mixing compo- nents from gu n block. Also a llow chemic als in spra y gun to cool b ef ore cleani ng. This pr ocedure mak e s use of the 1-Quar t or 3-Ga llon Gu n Ser vice Kit .
Repair 311320H 19 Repair Filter Screen Remo v a l and Service 1. P erf orm Pressure Relief Pr ocedure (page 13) and Cle an Spra y Gun Proced ure, page 18. 2. Unthrea d screen mo unting screw . Remov e screen mo unting scre w and f ilter screen assembly fr om gun block.
Repair 20 311320H Clean Injection Slots 1. P erf orm Pressure Relief Pr ocedure (page 13) and Cle an Spra y Gun Proced ure, page 18. 2. Remov e chec k v alv es . F IG . 18: Check V alves 3. Inspect chec k v alv es t o ensure slee v e is secured, a nd place chec k v alv es in sepa- rat e containers o f gun clean er .
Repair 311320H 21 V alving Rod Adjustment In clo sed po sition , valving rod sh ould e xtend appro ximately 1 /32 in. (1 mm) bey o nd tip of mixing chamber . If it does not, f o llow this p ro- cedure: F IG . 19: V alving Rod (Closed P osition ) 1. P erf orm Pressure Relief Pr ocedure (page 13) and Cle an Spra y Gun Proced ure, page 18.
Repair 22 311320H Centerline Componen t Remo val 1. P erf orm Pressure Relief Pr ocedure (page 13) and Cle an Spra y Gun Proced ure, page 18. 2. Re mov e air cap by hand, tur nin g it count er- cloc kwise. 3. Remov e screen screw assembly . Flush and place i n gun cl eane r .
Repair 311320H 23 a. Re mov e ball and spr ing assem bly . Hold ball an d unscre w assem b ly . If dir t or mater ia l build-up prev ents comple te remov a l of the sp r ing, scre w it bac k in. Soak assem bly in gun cleaner and try to remo v e it aga in.
Repair 24 311320H Centerline Componen t Installati on 1. Re mov e f elt wiper assembly from rear of mixing chamber . 2. Ensure internal mixing chambe r par ts are in place . 3. Inser t chamb er into gu n b loc k. Align ke y- w a y in chamb er with pin protrudin g from top of hole in bloc k.
Repair 311320H 25 10. Replace v alvin g rod spring an d spring retain er ca se. Grasp kn ob , pus h in, an d tur n clockwise to lock in place. 11. Replace air cap . 12. Replace chec k v alv es an d screen scre w assemb ly . 13. Replace cl osure scre w in top of gun b loc k.
Parts 26 311320H 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.
Parts 311320H 27 Model D Spray Gun Assembly ❄ Purcha se Air V alve Repai r Kit 29 6125 ( purchase s ep- arately). Includ es Needle V alv e P acking. ★ Not shown. d T able 1: Model D Gun Assembl y , Parts by Model Number Ref. No. Part No. Desc ription Qty .
Parts 28 311320H T able 2: Model D Gun Assembl y , Parts by Mixing Chamber Size Mixing Chamber Size Reference Size 46 55 62 70 78 K (v alving r od) 296578 296579 296580 296581 296582 A C (chamber ) 29.
Parts 311320H 29 Standar d Mixing Chambers Six stan dard m ixing chambe rs are av ailable . The f ollo wing tab le pro vides a gener al desc ription about use an d ope ration al per f or ma nce of each c ham ber .
Parts 30 311320H Air Cylinder Assembl y P art Number 29 6632 ❄ P a r ts included in Air C ylinder Seal Kit 296725 (purcha se separ ately) ▲ Repl acement D anger and W arning la bels , tags , and car ds are a v aila bl e at no cost. Ref. No. P art No.
Parts 311320H 31 Coupling Bloc k Assembl y Model 295887 (Stand ard) Mode l 29 5884 (Reci rc) Model 29 5887 Model 29588 4 A G G E D C B A F E D E A D A G F B C Ref.
Notes 32 311320H Notes.
Tech nical Data 311320H 33 T echnical Data * Theoretical: actual results will var y with operating conditions Category Data Maximum Flu id W or king P ressure 1000 psi (7 MPa, 70 bar) Maximum Air Inle t Pressure 100 psi (0 .75 MP a, 7.5 b ar) Minimum Air Inl et Pressure 90 psi (0.
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco rese rves the right t o make changes at any t ime without notice. For patent information, see ww w.graco.com/patents.
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In een situatie waarin je al een beziter van Graco 311320H bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Graco 311320H kunnen verkorten.
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