Manuel d'utilisation / d'entretien du produit 233776 du fabricant Graco
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1:1 RA TIO TRIT ON R 308 Diaphragm Pump Used to pump waterborne and solvent–based paints and catalysts. For professional use only . 1 15 psi (0.8 MPa, 8 bar) Maximum Fluid Working Pressure 1 15 psi (0.8 MPa, 8 bar) Maximum Air Input Pressure Part No.
2 309303 T able of Contents Safety W arnings 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 1 1 . . . . . . . . . . . . . . . . . . . .
309303 3 W ARNING INSTRUCTIONS EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture, malfunction, or start unexpectedly and result in a serious injury . This equipment is for professional use only . Read all instruction manuals, tags, and labels before operating the equipment.
4 309303 W ARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor air ventilation, open flames, or sparks can cause a hazardous condition and result in fire or explosion and serious injury .
309303 5 W ARNING PRESSURIZED FLUID HAZARD Spray from the gun, hose leaks, or ruptured components can splash fluid in the eyes or on the skin and cause serious injury . Do not stop or deflect fluid leaks with your hand, glove, or rag. Follow the Pressure Relief Procedure on page 1 1 before cleaning, checking, or servicing the equipment.
6 309303 Installation General Information Fig. 2 shows a wall mounted HVLP spray applica- tion. It is only a guide for selecting and installing system components. Contact your Graco distributor for assistance in planning a system to suit your needs.
309303 7 Installation Grounding W ARNING FIRE AND EXPLOSION HAZARD This pump must be grounded. Before operating the pump, ground the system as explained below . Also read the sec- tion FIRE AND EXPLOSION HAZARD on page 4. T o reduce the risk of static sparking, ground the pump and all other equipment used or located in the pumping area.
8 309303 Installation Air Line W ARNING A bleed-type master air valve (B) is required in your system to relieve air trapped between this valve and the pump.
309303 9 Installation KEY A TRI T O N 308 Pump B Bleed-type master air valve (required for pump) C Air supply line D Air line filter E Air line shutof f valve F Pump air regulator G Gun air regulator .
10 309303 Installation Fluid Suction Line Screw the suction line (L) into the pump inlet (M) snugly . Use a compatible liquid thread sealant on connections to prevent air from getting into the fluid line. Do not pressure feed this pump. See the T echnical Data on page 24 for maximum suction lift.
309303 1 1 Operation Pressure Relief Procedure W ARNING The system remains pressurized until pressure is manually relieved. T o reduce the risk of serious injury from pressurized fluid, accidental spr.
12 309303 Maintenance Tightening Threaded Connections Before each use, check all hoses for wear or damage. Replace as necessary . Check that all threaded con- nections are tight and leak-free. NOTE: Periodically , re–torque fluid cover screws (38) to 10 ft–lb (13.
309303 13 T roubleshooting PROBLEM CAUSE SOLUTION Pump runs sluggishly . Worn or damaged carriage o-rings. Service air valve. See page 18. Pump runs erratically . Clogged suction line or inlet strainer . Clear . Sticking or leaking ball check valves. Disassemble and clean ball checks.
14 309303 Service Remove the Fluid and Side Covers T ools Required T orque wrench 2.5 mm allen wrench 6 mm allen wrench Adjustable wrench Disassembly W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 1 1.
309303 15 Service Remove the Fluid and Side Covers (continued) Reassembly 1. Clean all parts and inspect for wear or damage. Replace parts as needed. 2. If necessary , reinstall the felt dampener (29) and side cover (31). T orque the screws (39) to 28 in-lb (3.
16 309303 Service Ball Check Repair T ools Required O-ring pick Disassembly NOTE: Ball Check Repair Kit 245067 is available. Parts included in the kit are marked with a double dagger , for example (21 ). Use all the parts in the kit for the best results.
309303 17 Service Diaphragm Repair T ools Required M8 bolt M8 hexnut Adjustable wrench, or vise NOTE: Diaphragm Repair Kit 245065 is available. Parts included in the kit are marked with an asterisk, for example (6*). Always replace both diaphragms for the best results.
18 309303 Service Air V alve Repair T ools Required 3 mm allen wrench Needlenose pliers Retaining ring removal tool O-ring pick Disassembly NOTE: Air V alve Repair Kit 245066 is available. Parts included in the kit are marked with a dagger , for exam- ple (8 ).
309303 19 Service Air V alve Repair (continued) Reassembly 1. Lubricate the o-rings (8 ) and install them on the carriage (7). Slide the carriage into the center housing (1) so the notch faces out, as shown in Fig. 7. 2. Lubricate each o-ring (10 ) and install them on the plugs (9).
20 309303 Service Shaft Repair T ools Required Needlenose pliers O-ring pick Retaining ring removal tool Vise with soft jaws Disassembly NOTE: Shaft Repair Kit 24A155 is available. Parts included in the kit are marked with a star , for example (5 ).
309303 21 Service Shaft Repair (continued) ti1035E Fig. 8 38 1 3 2 10 ft-lb (13.6 N m). Lubricate. Align. 4 1 3 4 1 2 2 2 2 3 3 28 in-lb (3.1 N m). 4 8 10 12 13 14 15 16 24 24 24 24 32 38 11 9 1 32 17 29 31 39 7 2 8 36 3 4 5 6 6 2 5 Align.
22 309303 Parts Part No. 233500 Aluminum Pump, Series D, npt threads Part No. 233501 Stainless Steel Pump, Series C, npt threads (Shown) Part No. 233776 Aluminum Pump, Series C, BSPP threads Part No.
309303 23 Parts NOTE: Purchase items 36–39 locally . Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 1 15J732 HOUSING, center; for Part No. 233500; aluminum 1 198894 HOUSING, center; for Part No. 233501; stainless steel 1 198892 HOUSING, center; for Part No.
24 309303 T echnical Data Category Data Maximum fluid working pressure 1 15 psi (0.8 MPa, 8.0 bar) Air pressure operating range 12 to 1 15 psi (.08 to 0.8 MPa, 0.8 to 8.0 bar) Ratio 1:1 Maximum free flow delivery 8.5 gal./min (32 l/min) Operating fluid temperature range 50 to 176 C (10 to 80 C) Maximum suction lift 16 ft (4.
309303 25 Dimensions BOTTOM VIEW SIDE VIEW Aluminum T wo 0.35 in. (9 mm) diameter holes, for mounting pump 4.1 in. (104 mm) 4.53 in. (1 15 mm) 3/8 npt or 3/8 BSPP Fluid Outlet 3/4 npt or M26 x 1.5 Fluid Inlet 1/4 npt or 1/4 BSPP Air Inlet 4.88 in. (124 mm) 8.
26 309303 Graco Standard W arranty Graco w arrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Graco 233776 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Graco 233776 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Graco 233776, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Graco 233776 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Graco 233776, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Graco 233776.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Graco 233776. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Graco 233776 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
