Graco 233501 manual

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. 233500 Aluminum Pump, Series D, npt threads Part No. 233501 Stainless Steel Pump, Series C, npt t[...]

2 309303 T able of Contents Safety W arnings 3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 1 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance 12 . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

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.  Use the equipment only for its intend[...]

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 .  Ground the equipment. Refer to Grounding on page 7.  If there is any static sparking or you feel an electric shock while using this equipment, stop p[...]

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.  Always use Genuine Graco Parts and Accessories, available from your Graco distributor . If y[...]

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. Check your [...]

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. See Fig. 2. T rapped air can cause the pump to cycle unexpectedly , which could result in serious injury , including splashing in the eyes or on the skin, injury from moving parts, or contamina[...]

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 (used in spray system only) H Fluid pressure regulator (used in spray system only) J Drain/circulation valve K Drain tube L Suction tube M Pump fluid [...]

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.  Use an agitator (U) to prevent fluid[...]

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 spray from the gun, or splashing of any fluid, follow this proce- dure whenever you  Stop spraying  Are instructed to relieve pressure  Check or[...]

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 (13.6 N  m). Cleaning Clean the outside of the equipment daily , using a soft cloth[...]

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. Replace worn parts. See page 16. Pump runs too fast. Exhausted f[...]

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. 1. Relieve the pressure. 2. Dis[...]

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 (3.1 N  m). 3. Install new ball check seals (24). 4. Place the fluid covers (32) on the h[...]

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. 1. Remove the fluid covers. See page 14. 2. Remove the inlet and outlet ball checks. No[...]

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. 1. Remove the fluid covers. See page 14. W ARNING Wear gloves when r[...]

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  ). Use all the parts in the kit for the best results. 1. Remove the sid[...]

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). Insert a plug in each side to secure the carriage (7). Ins[...]

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  ). Use all the parts in the kit for the best results. NOTE: Shaft and Bearing Repai[...]

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. See Fig. 6. 5 43  46 45  44 ?[...]

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. 233777 Stainless Steel Pump, Series C, BSPP threads 1 3 4  5  *6 6* 7  8 9  10 11 12  13  14  15  16  17 18 [...]

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. 233776; aluminum 1 197679 HOUSING, center; for Part No. 233777; s[...]

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 (4.8 m) dry; 22 ft [...]

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) 8.2 in. (208 mm) ti1037a TI3265A SIDE VIEW SST 9.1 in. (231.5 mm)[...]

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. With the exception of any special, extended, or limited warranty published by Graco, Graco w ill, for a period of twelve months from th[...]