Manuale d’uso / di manutenzione del prodotto 3900 del fabbricante Hitachi
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Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441 Copyright 2005, Graco Inc. is r egistered to I. S. EN ISO 9001 310893L Repair GMAX ™ II 3900/5900/5900HD/7900 T e xSpra y ™ 7900HD Airless Spra y er s K orean patent: 10- 0647761 - For P ortable Airless Spra ying of Ar ch itectural Coatings and P aints - 3300 psi (22.
Manual Conventions 2 310893L Contents W ARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 T roubleshooting . . . . . . . . . . . . . . . . . . . . . .
Warning 310893L 3 Wa r n i n g The f ollowing are ge neral warnings related to the se tup , us e, maint enance and repair of this equipment. Additional, more specific , warnings may be f ound throughout the te xt of this manual, where app licable .
Warning 4 310893L EQUIPMENT MISUSE HAZARD Misuse can ca use death or serious injur y . • Do not exceed the maximum w ork in g pressure or temperature rating of the low est rated system component. See T echnical Data in all equipment man uals. • Use fluids and solv ents that are compatible with equipment wetted parts.
Maintenance 310893L 5 Maintenance Pressure Relief Pr ocedure 1. Lock gun trigger saf ety . 2. T urn engine ON/OFF s witch to OFF . 3. Mov e pump s witch to OFF and tur n pressure control knob fully counterclockwise. 4. Unlock trigger safety . Hold metal part of gun fi rm ly to side of grounded metal pail, and tr igger gun to reliev e pressure.
Troubleshooti ng 6 310893L T r oubleshooting Problem Cause Solution E=XX is displa yed F ault condition exists Deter mine fault correction from tab le, page 15 Engine will not star t Engine switch is OFF T urn engine switch ON Engine is out of gasoline Refill gas tank.
Troubleshooting 310893L 7 Pr oblem Cause Solution Pump output is low Strainer (82) is clogged Clean strainer . Piston ball is not seating Ser vice piston ball. Manual 310894. Piston packings are worn or damaged Replace packings. Manual 310894. O-ring in pump is worn or damaged Replace o-r ing.
Bearing Housing and Co nnecting Rod 8 310893L Bearing Housing and Connecting Rod NO TE: The item numbers ref erenced are f or the 5900 Hi-Bo y models . The 3900, 7900 and all Lo-Bo y models ma y hav e diff erent item numbers . Use the 5900 Hi-Bo y item numbe r and par t to find the correspo nding alter- nate par t and item n umber .
Drive Housing 310893L 9 Drive Housing Remo val 1. Reliev e pressure; page 5. 2. Remov e beari ng housing. Refer to Bearing Housing an d Connecting Rod, Remov al , page 8. 3. Premium spra yers: Remov e two screws (108) and gallon counter sensor (39). 4.
Pinion Assembly/Clutch Armature/Clamp 10 310893L Pinion Assembl y/Clutch Armature/Clamp Pinion Assembl y/Clutch Armature Remo val Pinion Assembl y If pinion assembly (29) is not remov ed from clutch h ousing (19), do 1. through 3. Otherwise, start at 4.
Pinion Assembly/Clutch Armature /Clamp 310893L 11 Installation Clutch Armature 1. F IG . 8. La y two stac ks of two dimes on smooth bench surf ace. 2. Lay armature (25) on two stacks of dimes. 3. Press center of hub (26) down to bench surface. F IG . 8 4.
Clutch Housing 12 310893L Clutch Housing Remo val 1. F IG . 11. Remov e f our screws (20) and lock w ashers (21) which hold clutch housing (19) to engin e. 2. Remov e screw (35) from under mounting plate (D). 3. Pull off clutch housin g (19). Installation 1.
Pressure Control 310893L 13 Pressure Contr ol Pump ON/OFF Switch Re m ova l 1. F IG . 14. Remov e two screws (71) and swing down cov er (130a). 2. Disconnect pump ON/OFF switch (130f) connector from control board. 3. Press in on two retaining tabs on each side of pump ON/OFF s witch (130f) and remov e switch from co ver .
Pressure Control 14 310893L Contr ol Board Re m ova l 1. F IG . 14. Remov e two screws (71) and swing down cov er (130a) 2. Remov e strain relief bushings (130r and 123).
Pressure Control 310893L 15 Digital Displa y Messages * Error codes also appear on control board as a blinking red LED . LED is an alter nate to digital messages. 1. Remov e two scre ws (71) and swing down co ver (130). 2. Start engine. Blink c ount is the same as error code(E=0X).
Displacement Pump 16 310893L Displacement Pump Remo val 1. Flush pump. 2. Stop pump with piston rod in its lowest position. 3. Do Pressure Relief, page 5. 4. Separate drain hose from spra yer F IG . 15 5. Disconnect material hose from pump. F IG . 16 6.
Displacement Pump 310893L 17 e. T wist latch u-bolt back from pump door outer edge f . Place u-bolt on pump door protr usion F IG . 20 8. Ratchet pump door f orward. F IG . 21 9. Open pump door . F IG . 22 10. F IG . 23. Pull out pump pin and place in pin ho lder F IG .
Displacement Pump 18 310893L 4. F IG . 26. Close pump door and rotate latch into position. Do not tighten latch. 5. F IG . 26. Rotate pump to align with materia l hose. Connect material hose and hand tighten to 70 in-lb F IG . 26 6. F IG . 27 . Tighten latch and rotate latch loc k into lock ed position.
Displacement Pump 310893L 19.
Parts 20 310893L Pa r t s GMAX ll 3900 P ar ts Drawing 2EF 2EF $%4 !),! A 3EEMANUALF ORPAR TS ,ABEL 3EEPAGE.
Parts 310893L 21 GMAX ll 3900 P ar ts List Ref Part Description Qty 1 287411 FRAME, car t (3900) 1 2 156306 W ASHER, flat 2 3 119420 WHEEL, pneumatic (390 0) 2 4 15E891 CLIP , retaining 2 5 192027 SLE.
Parts 22 310893L GMAX ll 5900/5900HD P ar ts Drawing 2EF 2EF $%4 !),! 3EEMANUALFORPARTS ,ABEL 3EEPAGE.
Parts 310893L 23 GMAX ll 5900/5900HD P ar ts List Ref Part Description Qty 1 287370 FRAME, car t (59 00/7900) 1 2 156306 W ASHER, flat 2 3 119509 WHEEL, pneumatic (590 0/7900) 2 4 15E891 CLIP , retain.
Parts 24 310893L GMAX ll 7900/T exSpra y 7900 HD P ar ts Drawing 2EF 2EF $%4 !),! 3EEMANUALFORPARTS ,ABEL 3EEPAGE.
Parts 310893L 25 GMAX ll 7900/T exSpra y 7900HD P ar ts List Ref P ar t Description Qty 1 287 370 FRAME, car t (5900/7900) 1 2 156 306 W ASHER, flat 2 3 119 509 WHEEL, pneumatic (5900/7900) 2 4 15E8 9.
Parts Drawing and List - Pinion Housing, Drive Housi ng 26 310893L P ar ts Drawing and List - Pinion Housing, Drive Housing Ref 29: Pinion Housing GMAX ll 3900: 28 7463 GMAX ll 5900: 28 7465 GMAX ll 7.
LoBoy Suction Set Kits (Kits i nclude suction set a nd drain hose) 310893L 27 LoBo y Suction Set Kits (Kits include suction set and drain hose) GMAX ll 3900/5 900/7900 5 Gallon Kit: 287631 GMAX ll 390.
Pressure Control and Filter Parts Drawing 28 310893L Pressure Control and Fi lter P ar ts Drawing All Models .
Pressure Control and Filter Parts List 310893L 29 Pressure Control and Filter P ar ts List REF P ART DESCRIPTION QTY Filter Replacement Kit 287510 3900/59 00 287517 7900 53 ★ † 15C765 CAP , filter.
Parts - Sprayers, RAC ™ X Tip, Gu n & Hose 30 310893L P arts - Sprayer s, RA C ™ X Tip, Gun & Hose Premium Models and T exSpray 7900HD include items 202 to 204 or 205. Item 206 for T exSpra y 7900HD only . Ref 40: Bearing Housing Ref P art Description Qty 202 240794 HOSE, grounded, nylon; 1/4 in.
Technical Data 310893L 31 Te c h n i c a l D a t a Dimensions Honda GX120 Engine ANSI P ower Rating @ 3600 r pm 4.0 Horsepower (3.0 kW) Honda GX160 Engine ANSI P ower Rating @ 3600 r pm 5.5 Horsepower (4.1 kW) Honda GX 200 Engine ANSI P ower Rating @ 3600 r pm 6.
Graco Standard Warranty 32 310893L Graco Standar d W arranty Graco warrants all equipment ref erenced in th is document which is manuf actured by Graco and bearing its name to be free from de fe ct s i n material and workmanship on the date of sale to the origin al purch aser for use.
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 Hitachi 3900 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 Hitachi 3900 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hitachi 3900 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hitachi 3900 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hitachi 3900, 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 Hitachi 3900.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hitachi 3900. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hitachi 3900 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.
