Graco 965478 manuale d’uso

INSTRUCTIONS 684025 Revision E Instructions This manual c ontains im portant warnings and infor mation. READ AND RETAIN FOR REFE RENCE Air-Powered King and Premier Hy dra-Cat ® H.P. Variable Ratio Proportioning Pump 100 PSI (7 bar) Max im um W ork ing Air Press ure 5000 PSI (333 bar) Max imum W orking F luid Pressur e Mo del: See Chart WA RNING MO[...]

2 684025 Table of Contents Sy mbols .............................................................................3 Definition of T erm s ............................................................3 W arnings ........................................................................... 3 Specific ation of Hydra-Cat H.P. Pumps ........................[...]

684025 3 Sy mbols Warning Sy mbol Caution Sy mbol WA RNING CA UTION This symbol alerts you to the possibility of serious inj ury or death if you do not follow the instructions This sy mbol aler ts you to the possibility of dam a g e to or destruction of equipm ent if you do not follow the instru ctio ns. Definition of Terms WA RNING: Alerts the use[...]

4 684025 WARNING FIRE AND EXPLOSION HAZA R D Impr oper g roundin g , poor ventilation, open flam es, or spark s can c ause a hazardous condition and res ult in fire or ex plosion and serious injury. • Ground the equipm ent and the obj ect being spr ay ed. See Electrical Grounding on page 8. • Extinguis h all the open flam es or pilot lights in [...]

684025 5 WARNING INJECTION HA ZA RD Spray from the s pray g un, hose leak s or ruptur ed com ponents can inj ect fluid into your body and caus e extrem ely serious injury, includin g the need for am putation. Splas hin g fluid in the eyes or on the sk in c an also cause s erious injur y. • Fluid injec ted into the sk in m ight look lik e jus t a [...]

6 684025 Specifications of Hy dra – Cat H.P. Pumps The f ollowin g chart g ives specif ications for the Hydra-Cat H.P. pumps , usin g No. 10 wei g ht oil. The volum etric ratio is express ed as the proportion of the volum e of fluid of the prim ary pump c om pared to the volum e of f luid of the secondary pump. For exam ple, Model 965477 has a mi[...]

684025 7 KEY A Bleeder Ty pe Main Air Valve B Air Regulator C Pressure Relief Valve D Mix Manifold E Air Supply Line F Air Line Filter G Air Shutoff Valve H Air Line Lubricator J Base Supply Pump K Catalyst Supply Pressure Pot L Solvent Supply Pump M Mix Manifold Flush Inlet N Static M ixer P Primary Pump Inlet R Secondary Pump Inlet S Ratio Adjust[...]

8 684025 Electr ical Grounding WA RNING 4. Spray gun or dispens ing valv e: Obtain grounding throu g h connection to a properly g rounded fluid hose and pump. FIRE AND EXPLOSION HAZA R D Static electric ity is created by the hi g h velocity flow of f luid throu g h the pump and hos e. If your system is not properly g rounded, spark in g may occur a[...]

684025 9 Ratio Adjustment Understanding the term s used with the Hydra – Cat (H.P .) System , how it functions, and how to find and set the correct ratios for y our application is the key to easier, m ore versatile operation of your proportional system. Be sure to read and under stand the followin g inform ation before operating the equipm ent. T[...]

10 684025 Determin e the R atio Set the ratio based on your situation. If : • The fluid s are supplied at a ready – to – spray viscosity , sim ply set the ratio as ex plained under A djusting th e Ratio . • The fluid s are NOT su pplied at read y – to – spray viscosity , the ratio m ust be deter m ined after the reducer is added to the [...]

684025 11 Operation WA RNING System Flushing INJE CT ION HA ZA RD The system pr essure m us t be m anually relieved to prevent the system from starting or spray in g accidentally. Fluid under hi g h pressur e can be injec ted through the sk in and cause ser ious injury. To reduc e the r isk of an injury from injection. T o reduce the ris k of parts[...]

12 684025 Checking the Rati o Note: The mix ratio m ust be c heck ed at the norm al operatin g fluid press ure of the pum p. Most mix er manif olds pr ovide a m eans for chec kin g mi x r a ti o that includes needle valves for adj ustin g the fluid pressur e during the test. The following proc edure is an exam ple of how to properly check the m ix [...]

684025 13 A ir Lubrication Make sure to use an Indus trial Grade 1, Heavy Duty , Extrem e Pres sure, Lithium Soap Gr ease, G raco Part Number 110293 or equivalent. Replace the covers (17) and the bolts ( 16) af ter g reasin g , and before startin g the mac hine. The c overs (17) are safety guards and m ust be in place when the proportioner is in op[...]

14 684025 Troubleshooting Troubleshooting Techniques Because the pum ps ar e m echanically linked, the action of one pump c an aff ect the readin g s of the s econd pum p. Theref ore, the k ey to successf ul troubleshooting is to be sure to isolat e the probl em. For exam ple, if the secondary pump pr essure, as read on the g au g e, is low and slu[...]

684025 15 Troubleshooting Chart PROBLEM CA USE SOLUTION Sy stem will not run or stops while running. Air press ure or air volume is too low. Increase air pressur e. Check air com pres sor and air s upply f ilters re g ulator, lubricator valves and other com ponents for block a g es and restric tions. If this is a new system, be sur e that air suppl[...]

16 684025 Service Required Tools • Set of large adjus table wrenches • Set of m etric soc kets or wrenches • Large pipe wrenc h • Torque wrench • Rubber mallet • Flat end punc h 4. W ith the bleeder ty pe main air valve turned of f ( 1), rem ove the thumb sc rews (14) and the two g uards (15) fr om the sides of the proportioner. 5. Disc[...]

684025 17 Reconnecting the Di splacement Pump CA UTION 1. Mak e sure the c ouplin g nut (10,11) and the couplin g collars (12) are in place on the displac em ent rod. See Fig. 6. Be sure to use an overhead hoist when lifting, m oving or disconnectin g the ai r motor. This ai r motor wei g hs 145 lbs. and is too heavy for one pers on to handle. A li[...]

18 684025 Replacing the Beari ngs 1. Relieve the Press ure. Refer to Figure 6 and Figure 7. WA RNING To reduce the risk of serious inj ury w henever you are instruc ted to relieve pres sure, always follow the Pressure Relief Proce dure on page 11. 2. W ith the bleeder ty pe main air valve ( 1) turned of f, rem ove the tw enty hex bolts (16) with a [...]

684025 19 Dimensions (A) Height.......................................... 66.0 inch 1676 m m ) (B) Length .......................................... 31.5 inch (800 m m ) (C) W idth ........................................... 33.0 inc h (838 m m ) (D) Air Inlet.......................................................... 3/4 npt(f ) (E) Fluid Inlets...[...]

20 684025 NOTES[...]

684025 21 Technical Data Air m otor eff ective diam eter ....................................................................................Prem ier 12.64 ” (321 m m ) ............................................................................................................................ Kin g 10.00 ” (254 mm ) Air m otor strok e .........[...]

22 684025 Graco Standard Warranty WA RRA NTY Graco warrants all equipment manufact ured by it and bearing its name to be f ree f rom defect s in material and workm anship on the date of sale by an authorized Graco dist ributor t o the original purchaser f or use. As purchaser ’ s sole remedy for breach of t his warranty, Graco will, f or a period[...]