Graco 308351K- User Manual

6 308351 Installation Grounding WARNING FIRE AND EXPLOSION HAZARD Before operating the pump, ground thesystem as explained below. Also readthe section FIRE AND EXPLOSION HAZARD on page 5. 1. King Pumps: use a ground wire and clamp. See Fig. 1. Remove the ground screw (Z) and insertthrough eye of rin...

308351 7 Installation All Systems NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and partsdrawings. The Typical Installations shown in Figs. 3 and 4 areonly guides for selecting and installing system compo-nents and accessories. Contact your Graco...

12 308351 Operation Pressure Relief Procedure WARNING SKIN INJECTION HAZARD The system pressure must be manuallyrelieved to prevent the system fromstarting or spraying accidentally. Fluid under high pressure can be injected through theskin and cause serious injury. To reduce the risk ofan injury fro...

308351 13 Operation Flush the Pump Before First Use The pump is tested with lightweight oil, which is left into protect the pump parts. If the fluid you are usingmay be contaminated by the oil, flush it out with acompatible solvent. See Flushing on page 16. Starting and Adjusting the Pump WARNING MO...

16 308351 Maintenance Shutdown and Care of the Pump WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 12. For overnight shutdown, stop the pump at the bottomof the stroke to prevent fluid from drying on th...

308351 17 Troubleshooting WARNING To reduce the risk of serious injury whenever youare instructed to relieve pressure, always follow the Pressure Relief Procedure on page 12. 1. Relieve the pressure. 2. Check all possible problems and causes beforedisassembling the pump. PROBLEM CAUSE SOLUTION Pump ...

18 308351 Troubleshooting PROBLEM CAUSE SOLUTION Erratic or acceleratedpump speed. Exhausted fluid supply. Refill and prime. Fluid is too heavy for pump priming. Use the bleeder valve (see page 13 or 14); use aram. Held open or worn piston valve or seals. Clear the valve; replace the seals. Held ope...

308351 19 Service Reconnecting the Displacement Pump 1. Make sure the coupling nut (104) and the couplingcollars (105) are in place on the displacement rod(1). See Fig. 6. 2. Use at least two people to hold the displacementpump while another reconnects it to the motor (seethe CAUTION on page 18). Or...

20 308351 Displacement Pump Service Disassembly When disassembling the pump, lay out all the removedparts in sequence, to ease reassembly. Clean all partswith a compatible solvent and inspect them for wear ordamage. Refer to Fig. 9 for a cutaway view of thepump. NOTE: Packing Repair Kits are availab...

308351 23 Displacement Pump Service Reassembly Fig. 16 shows a cutaway of the entire pump. 1. Lubricate the intake packings and install them inthe valve body (16), with the lips of the v-pack- ings facing up. Install the v-packings in the order shown in Fig. 13. 2. With the beveled side facing up, p...

308351 27 Displacement Pump Service For Pumps 246938, 246940, 246941 and 246942 only Servicing the Throat Packings NOTE: The throat packings are available as a preas- sembled, pre–lubricated kit. For series B pumps, orderPart No. 241782. For series A pumps order Part No.237905. Parts included in the...

28 308351 Parts Part No. 236471 Pump, Series B, 65:1 Ratio, with King Air Motor Part No. 246942 Pump, Series A, 65:1 Ratio, with King Air Motor Part No. 237261 Pump, Series A, 31:1 Ratio, with Bulldog Air Motor Part No. 246940 Pump, Series A, 31:1 Ratio, with Bulldog Air Motor Part No. 237264 Pump, ...

30 308351 Parts Part No. 198466 Pump, Series A, with Viscount II Hydraulic Motor Part No. 246938 Pump, Series A, with Viscount II Hydraulic Motor ti1446a 101 106 103 105 102 104 109 111 112 110 113 Ref.No. Part No. Description Qty. 101 198468 MOTOR, Viscount IISee 307158 for parts 1 102 198471 ROD, ...

32 308351 Displacement Pump Parts Part No. 246939, Series A, Ref Part No. No. Description Qty Ref Part No. No. Description Qty 1 189317 ROD, displacement; stainless steel 1 2 237799 PACKING NUT/WET-CUP; carbon steel 1 3* 190585 HOUSING, throat seal; carbon steel 1 5* 113021 SEAL, u–cup, throat; PTFE...

36 308351 Displacement Pump Parts Part No. 236611 and 198469, Series A,Standard UHMWPE/PTFE Packed Displacement Pump Ref Part No. No. Description Qty 4* 109306 V-PACKING, throat; PTFE 2 5* 184201 GLAND, throat, female; carbon steel 1 6* 109256 V-PACKING, throat; UHMWPE 3 7* 184251 GLAND, throat, mal...

308351 39 Technical Data (Model 236471 and 246942 King Pumps) To find Fluid Outlet Pressure (psi/MPa/bar) at a specific fluid flow (lpm/gpm) and operating air pressure (psi/MPa/bar): 1. Locate desired flow along bottom of chart. 2. Follow vertical line up to intersection with selected fluid outletpr...

40 308351 Technical Data (Models 240945, 253376, and 198475 Quiet King Pump and Model 237265 Reduced Icing Quiet King Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with theWetted Parts listed below. Always read the manufacturer ’s literature beforeusing fluid or s...

44 308351 Technical Data (Model 237274 Reduced Icing Quiet Bulldog Pump) WARNING Be sure that all fluids and solvents used are chemically compatible with theWetted Parts listed below. Always read the manufacturer ’s literature beforeusing fluid or solvent in this pump. Category Data Ratio 31:1 Maxim...

308351 49 Dimensions and Mounting Hole Layout 04995 A B D C E 88 mm(3.464”) 94.28 mm(3.712”) 11.1 mm(0.437”)DIA (4) 94.28 mm(3.712”) 101.6 mm(4.0”) 50.8 mm(2.0”) 0653 Three M16 x 2.0 Holes F G Model 236471 Shown 04508 11.1 mm(0.437 in.)DIA (4) 188.4 mm(7.42 in.) 287.2 mm(11.31 in.) All Models, excep...

50 308351 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 to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco,Grac...