Graco 308793L - Manuals

308793 5 Pump Models NOTE: These pumps are not suitable for metering. Contact your Graco distributor for more information. CARBON STEEL MODELS Maximum Air(or Hydraulic*)Working Pressure Maximum FluidWorking Pressure CompletePump Part No. Ratio and Type(parts list page) Displacement Pump(parts list p...

6 308793 Pump Models NOTE: These pumps are not suitable for metering. Contact your Graco distributor for more information. SEVERE-DUTY ELECTROPOLISHED STAINLESS STEEL MODELS Maximum Air(or Hydraulic*)Working Pressure Maximum FluidWorking Pressure CompletePump Part No. Ratio and Type(parts list page)...

308793 7 Installation (All Pumps) Application The High-Flo pump is designed for low pressure,medium volume circulation of finishing materials suchas paints and stains. Do not use this pump for flushing or purging lines with caustics, acids, abrasive line strippers, and othersimilar fluids. Typical I...

308793 9 Installation (All Pumps) Non-Circulating Systems In non-circulating systems with a fluid outlet that canbe closed off (causing the pump to stall), install a fluidpressure relief valve (AA) and a return line (BB) lead-ing back to the fluid supply line (C). See Fig. 3. WARNING COMPONENT RUPTU...

10 308793 Installation (Air-Powered Pumps) Air Line to Motor WARNING A bleed-type master air valve (M) is required inyour system, to help reduce the risk of seriousinjury including splashing fluid in the eyes or on theskin, and injury from moving parts if you are adjust-ing or repairing the pump. Th...

12 308793 Installation (Hydraulic-Powered Pumps) Hydraulic Power Supply CAUTION The Hydraulic Power Supply must be kept clean atall times to avoid damage to the motor and hydraulicpower supply. 1. Blow out hydraulic lines with air and flush thor-oughly before connection to the motor. 2. Plug hydraul...

16 308793 Operation (Air-Powered Pumps) Starting and Adjusting the Pump 1. Charge the surge tank, if you are using one. Seethe separate instruction manual, 307707. 2. Open all fluid shutoff valves (D). 3. Open the dispensing valve/spray gun at the lastgun station and keep it open while starting thep...

18 308793 Maintenance Preventive Maintenance Schedule The operating conditions of your particular systemdetermine how often maintenance is required. Estab-lish a preventive maintenance schedule by recordingwhen and what kind of maintenance is needed, andthen determine a regular schedule for checking...

308793 19 Maintenance Air Line Lubricator Keep properly filled for automatic air motor lubrication. Air Line Filter Drain and clean as necessary. Hydraulic Power Supply Check Carefully follow the hydraulic power supply manufac-turer ’s recommendations on reservoir and filter clean-ing, and periodic ...

308793 21 Troubleshooting WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 15. 1. Relieve the pressure. 2. Check all possible problems and solutions beforedisassembling pump. PROBLEM CAUSE SOLUTION Pump o...

22 308793 Service Disconnecting the Displacement Pump NOTE: To change only the throat packings without removing the displacement pump from the motor, referto page 25. If you are doing a complete service of the displace-ment pump, disconnect it from the motor as describedin the applicable procedure o...

308793 23 Service D For President (Fig. 8) and Viscount (Fig. 9)pumps: NOTE: If the coupling rod (G) and tie rods (C) have been disassembled from a President orViscount motor, refer to Reassembling the Coupling Rod and Tie Rods. If they have not been removed, proceed as follows: Orient the displacem...

24 308793 Service Reassembling the Coupling Rod and TieRods (President and Viscount only) NOTE: Use this procedure only if the coupling rod (G) and tie rods (C) have been disassembled from aPresident or Viscount motor, to ensure proper align-ment of the motor shaft to the piston rod. 1. Loosen, but ...

26 308793 Service Torque to 135 N S m (100 ft-lb). 7522B 1 1 21 OUTLET Lips of v-packings must face down. Torque to 34–40 N S m (25–30 ft-lb). Apply sealant to threads. 5 7 17 1 7 12 Lubricate. Models 239859, 239860, 240612, and240613 use 8 v-packings (20), instead of 5 UHMWPE (20) and 3 leather(25)...

308793 27 Service Repair Kits Pump seal kits are available for each pump size.Throat packing kits are also available. Refer to page45 to order. Parts supplied in the pump seal kit are marked withone asterisk in the text and drawings, for example (2*).Parts supplied in the throat packing kit are mark...

28 308793 Service 01930C Fig. 13 1 3 2 Severe-Duty Electropolished Stainless Steel Pump Shown 16 15 16 12 14 13 9 8 10 7 5 11 17 2 3 2 18 1 19 20 26 21 22 9 8 23 24 7 25 INLET OUTLET 20 20 25 18 4 17 (Ref) 5 34 7 6 Relief valve intake seat. Intake seat without a relief valve. 2 3 Models 239859, 2398...

308793 29 Service Reassembling the Displacement Pump NOTE: When thread sealant is specified, use low strength (blue) Loctite r . 1. Place the halves of the piston (16) around thepacking (15*) and snap them together. See Fig.15. 2. Apply thread sealant to the piston rod (17) threads.Screw the rod thr...

32 308793 Parts (President Pumps) CARBON STEEL PUMPS Model 220560, Series B, 2:1 Ratio Model 220561, Series B, 3:1 Ratio Model 237223, Series B, 3:1 Ratio Model 239855, Series A, 3:1 Ratio, stubby Ref Part No. No. Description Qty 101 205038 MOTOR, President; see 306982 1 102 183033 ROD, tie; 13.625”...

308793 37 Displacement Pump Parts CARBON STEEL DISPLACEMENT PUMPS Model 239833, Series A ; for Pump Models 220561, 236601, and 239855 Model 239834, Series A ; for Pump Models 220560, 220565, and 236605 Model 239835, Series A ; for Pump Models 220567, 220577, and 236712 Model 239860, Series A ; for P...

308793 45 Seal and Throat Packing Kits NOTE: To find the part number of a repair or conversion kit, read down the chart to find the desired kit description, then read left to right to find the kit number for your pump. Pump and Displacement Pump Part Numbers Description 220561 (cst)220564 (sst)23660...

308793 47 Accessories Packing Nut Wrench 110335 For tightening the packing nut. Graco-Approved Hydraulic Fluid 169236 20 liter (5 gal.) 207428 3.8 liter (1 gal.) 180090 0.9 m (3 ft) long Pump Mounting Adapter Kits Provides adapter plate and tie rods for retrofittingexisting motor to a High-Flo displ...

48 308793 Pump Mounting Hole Diagram Gasket161806 247.7 mm (9.75 in.) Four 11.1 mm (0.44 in.) diameter holes on 10.5 in. Bolt Circle Bolt Pattern for 218742 Surge Tank Stand 01943 160.2 mm(6.41 in.) 277.5 mm(11.1 in.) 30 _ 60 _ 185.0 mm (7.4 in.) Radius Three 17 mm(0.68 in.) Holes 30 _ 160.2 mm(6.41...

50 308793 Technical Data 1.5:1 Ratio President Pump Model 220562 Category Data Maximum Working Pressure 1.9 MPa, 19 bar (270 psi) Air Operating Range 0.1–1.2 MPa, 1.4–12 bar (20–180 psi) Air Consumption See Performance Chart Fluid Flow at 60 cycles per minute 68.9 liter/min (18.2 gpm) Pump Cycles Pe...

56 308793 Technical Data 4:1 Ratio Quiet Bulldog Pumps, Models 220577, 220578, 240625, and 240626 Category Data Maximum Working Pressure 2.8 MPa, 28 bar (400 psi) Air Operating Range 0.28–0.7 MPa, 2.8–7 bar (40–100 psi) Air Consumption See Performance Chart Fluid Flow at 60 cycles per minute 90.8 li...

60 308793 Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on thedate of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limit...