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ENGINEERING OPERATION & MAINTENANCE MANUAL PR460/PR470 Bolted Metal Pump Where Innovation Flows WIL-11730-E-03...
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PR460/PR470 Bolted Metal SECTION 1 SAFETY AND PRECAUTIONS WARNING: Always wear safety glasses when operating CAUTION: All Wilden pumps are capable of passing a pump to avoid eye injury. If diaphragm rupture occurs, solids. Use a strainer on the pump intake to ensure that material being pumped may be forced out of the air the pump's rated solids capacity is not exceeded.
PR460/PR470 Bolted Metal SECTION 2 WILDEN PUMP DESIGNATION SYSTEM PR460/PR470 LEGEND XPR 460 / / X X X / X X / X X / X X X X METAL 38.1 mm (1.5") Pump O-RINGS MODEL VALVE SEATS SPECIALTY Maximum Flow Rate: VALVE BALLS CODE (if applicable)
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PR460/PR470 Bolted Metal SECTION 3 HOW IT WORKS – AIR-OPERATED DOUBLE-DIAPHRAGM PUMP The Wilden diaphragm pump is an air-operated, positive displacement, self-priming pump. These drawings show flow pattern through the pump upon its initial stroke. It is assumed the pump has no fluid in it prior to its initial stroke. FIGURE 1 The air valve directs pressurized air to FIGURE 2 When the pressurized diaphragm, FIGURE 3 At completion of the stroke, the air...
PR460/PR470 Bolted Metal SUCTION LIFT CAPABILITY PR460/PR470 METAL SUCTION LIFT CAPABILITY Suction-lift curves are calibrated for pumps operating at 305 m (1,000') above sea level. This chart is meant to be a guide only. There are many variables that can affect your pump's operating characteristics.
PR460/PR470 Bolted Metal SECTION 6 SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Wilden pumps are designed to meet the performance requirements of be eliminated. In addition, pump efficiency can be adversely even the most demanding pumping applications. They have been affected if proper attention is not given to site location. designed and manufactured to the highest standards and are •...
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PR460/PR470 Bolted Metal SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING to control the pump from a remote location. When the pump discharge pressure equals or exceeds the air supply pressure, the NOTE: In the event of a power failure, close the shut- pump will stop.
PR460/PR470 Bolted Metal SUGGESTED INSTALLATION, OPERATION, MAINTENANCE AND TROUBLESHOOTING Troubleshooting Pump air valve freezes. Pump will not run or runs slowly. Check for excessive moisture in the compressed air. Remove plug from pilot spool exhaust. Either install a dryer or a hot air generator for compressed air.
PR460/PR470 Bolted Metal SECTION 7 DISASSEMBLY / ASSEMBLY PUMP DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed • air line to the pump and allow all air pressure to bleed from the pump. Disconnect all 9/16’’...
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PR460/PR470 Bolted Metal DISASSEMBLY / ASSEMBLY Step 7 Step 8 Step 9 Remove the inlet valve balls and valve seats Remove the hardware attached to liquid The liquid chamber should be removed from the inlet manifold and liquid chambers chamber. to expose the diaphragm and outer and inspect for nicks, gouges, chemical piston.
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PR460/PR470 Bolted Metal DISASSEMBLY / ASSEMBLY AIR VALVE / CENTER SECTION DISASSEMBLY Tools Required: CAUTION: Before attempting any maintenance or repair, disconnect the compressed • air line to the pump and allow all air pressure to bleed from the pump. Disconnect all 5 mm (3/16") Hex-Head Wrench intake, discharge, and air lines.
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PR460/PR470 Bolted Metal DISASSEMBLY / ASSEMBLY Step 4 Step 5 Step 6 Remove air valve end cap to expose air Remove air valve spool from air valve Remove pilot spool sleeve retaining snap valve spool by simply lifting up on end body by threading one air valve bolt into ring on both sides of center section with cap once air valve bolts are removed.
PR460/PR470 Bolted Metal DISASSEMBLY / ASSEMBLY Step 9 Check center section shaft seals for signs of wear. If necessary, remove the shaft seals with O-ring pick and replace. REASSEMBLY HINTS AND TIPS Upon performing applicable maintenance to the air distribution Maximum Torque Specifications system, the pump can now be reassembled.
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PR460/PR470 Bolted Metal DISASSEMBLY / ASSEMBLY SHAFT SEAL INSTALLATION Pre-Installation Tools After all the old seals have been removed, the inside of the bushing The following tools can be used to aid in the installation of should be cleaned to ensure no debris is left that may cause premature the new seals: damage to the new seals.
PR460/PR470 Bolted Metal SECTION 8 EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST PR460/PR470 TJPR460/TJPR470-03 Rev. A ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS WIL-11730-E-03...
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PR460/PR470 Bolted Metal EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST Description Qty. PR460/AAAAA/…/ P/N PR460/SSAAA/…/ P/N PR470/SSAAA/…/ P/N AIR DISTRIBUTION COMPONENTS Pro-Flo V™ Assembly, Air Valve 1 04-2030-01 04-2030-01 04-2030-01 O-Ring (-225), End Cap (Ø1.859 x Ø.139) 04-2390-52-700 04-2390-52-700 04-2390-52-700...
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5688 HP Oirschot The Netherlands info@hollandairpumps.nl Where Innovation Flows ® ® Copyright 2023 PSG , a Dover Company ® reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. WIL-11730-E-02...
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Copyright 2023 PSG , a Dover Company ® ® reserves the right to modify the information and illustrations contained in this document without prior notice. This is a non-contractual document. ®...
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