GORMAN-RUPP PUMPS PA Series Installation, Operation, And Maintenance Manual With Parts List
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- Page 1 OM-07428-02 May 4, 2022 Rev. A - 8/18/23 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMP MODEL PA6C60-4045T FT4-ESP GORMAN‐RUPP PUMPS www.grpumps.com 2022 Gorman‐Rupp Pumps Printed in U.S.A.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com Valid serial number and e‐mail address required. The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below.
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐... - Page 4 TABLE OF CONTENTS (continued) PARTS LIST: Pump Model ............PAGE E - 3 Power Unit Kit .
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Page 5: Introduction
This pump is a PA Series, priming‐assisted centrif ugal model. The unit is designed for handling non‐ volatile, non‐flammable liquids containing speci fied entrained solids. The basic material of con... -
Page 6: Safety - Section A
PA SERIES OM-07428 SAFETY ‐ SECTION A This information applies to Prime Aire damage the pump or endanger person Series pumps. Refer to the manual ac nel as a result of pump failure. companying the engine or power source before attempting to begin oper... - Page 7 OM-07428 PA SERIES against a closed discharge valve, pump components will deteriorate, and the liquid could come to a boil, build pres sure, and cause the pump casing to rup Make sure the pump is level. Lower jack ture or explode. Momentary closure of a...
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Page 8: Installation - Section B
PA SERIES OM-07428 INSTALLATION - SECTION B Review all SAFETY information in Section A. configuration, and priming must be tailored to the specific application. Since the pressure supplied Since pump installations are seldom identical, this to the pump is critical to performance and safety,... -
Page 9: Battery Installation
OM-07428 PA SERIES c. Carefully read all tags, decals, and markings POSITIONING PUMP on the pump assembly, and perform all duties indicated. Note that the pump shaft rotates in the required direction. Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures Only operate this pump in the direction in... -
Page 10: Suction And Discharge Piping
PA SERIES OM-07428 to secure them when filled with liquid and under pressure. Gauges If the pump has been mounted on a mov able base, do not attempt to operate the The pump is drilled and tapped for installing dis... -
Page 11: Sealing
OM-07428 PA SERIES Sealing air to escape from the liquid before it is drawn into the suction inlet. Since even a slight leak will affect priming, head, If two suction lines are installed in a single sump, and capacity, especially when operating with a... -
Page 12: Discharge Lines
PA SERIES OM-07428 Figure 2. Recommended Minimum Suction Line Submergence vs. Velocity DISCHARGE LINES Siphoning If the application involves a high discharge head, gradually close the discharge Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si... -
Page 13: Float Switch Installation
OM-07428 PA SERIES Float Switch Installation pipe is available, attach the float switch cable to the standpipe in the sump at the approxi mate desired liquid level. The Float Switch autostart system employs either a single or double float switch, where a bulb raises or lowers (floats) with the liquid level, thus activating b. - Page 14 PA SERIES OM-07428 that the liquid in the priming chamber never fully Next, install a drain line between the pump drain freezes. and the wet well or sump. This line must remain submerged in the liquid below the pump down lev...
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Page 15: Operation - Section C
OM-07428 PA SERIES OPERATION - SECTION C Review all SAFETY information in Section A. cated (see LUBRICATION in MAINTENANCE AND REPAIR). Follow the instructions on all tags, labels and The pump will begin to prime upon startup. The air decals attached to the pump. -
Page 16: Operation
OM-07428 PA SERIES AL'. After the engine starts and the unit is fully Liquid Temperature And Overheating primed, adjust the engine RPM until the desired The maximum liquid temperature for this pump is flow rate is achieved. 160_ F (71_C). Do not apply it at a higher operating temperature. -
Page 17: Stopping
OM-07428 PA SERIES vacuum suction gauge readings regularly to detect against the housing. Record this temperature for strainer blockage. future reference. Never introduce air or steam pressure into the A sudden increase in bearing temperatures is a pump casing or piping to remove a blockage. This... -
Page 18: Troubleshooting - Section D
OM-07428 PA SERIES TROUBLESHOOTING - SECTION D Review all SAFETY information in Section A. 5. Close the suction and discharge valves. 6. Vent the pump slowly and cau tiously. 7. Drain the pump. Before attempting to open or service the pump: 1. - Page 19 OM-07428 PA SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Check strainer and clean if neces Strainer clogged. PUMP STOPS OR FAILS TO DELIVER sary. RATED FLOW OR Check and clean check valve. Discharge check valve clogged. PRESSURE (cont.) Suction intake not submerged at Check installation and correct proper level or sump too small.
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Page 20: Preventive Maintenance
OM-07428 PA SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY BEARINGS RUN Bearing temperature is high, but Check bearing temperature regu TOO HOT within limits. larly to monitor any increase. Low or incorrect lubricant. Check for proper type and level of lubricant. -
Page 21: Preventive Maintenance Schedule
OM-07428 PA SERIES Preventive Maintenance Schedule Service Interval* Item Daily Weekly Monthly Semi‐ Annually Annually General Condition (Temperature, Unusual Noises or Vibrations, Cracks, Leaks, Loose Hardware, Etc.) Pump Performance (Gauges, Speed, Flow) Bearing Lubrication Seal Lubrication (And Packing Adjustment, If So Equipped) V‐Belts (If So Equipped) -
Page 22: Pump Maintenance And Repair - Section E
OM-07428 PA SERIES PUMP MAINTENANCE AND REPAIR - SECTION E MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL PA6C60-4045T FT4-ESP Based on 70_F (21_C) clear water at sea level with minimum suction lift. - Page 23 OM-07428 PA SERIES PARTS PAGE ILLUSTRATION 13 12 11 12 13 15 15 16 17 Figure 1. Pump Model PA6C60-4045T FT4-ESP PAGE E - 2 MAINTENANCE & REPAIR...
- Page 24 OM-07428 PA SERIES Pump Model PA6C60-4045T FT4-ESP PARTS LIST (From S/N 1788514 Up) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP END ASSY 46183-230 HEX HEAD CAP SCREW B1209 15991 JD POWER UNIT 46143-261 WASHER SAE 3/4...
- Page 25 OM-07428 PA SERIES ILLUSTRATION Figure 2. Pump Model PA6C60-4045T FT4-ESP (cont'd) PAGE E - 4 MAINTENANCE & REPAIR...
- Page 26 OM-07428 PA SERIES Pump Model PA6C60-4045T FT4-ESP PARTS LIST ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP END ASSY 46183-230 HEX HEAD CAP SCREW B1209 15991 JD POWER UNIT 46143-261 WASHER SAE 3/4 21161-446 ENCLOSURE ASSY 42164-062...
- Page 27 OM-07428 PA SERIES ILLUSTRATION 4 5 6 11 12 14 15 16 17 Figure 3. Power Unit Kit PAGE E - 6 MAINTENANCE & REPAIR...
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Page 28: Parts List
OM-07428 PA SERIES PARTS LIST Power Unit Kit ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER BASE/FUEL TANK ASSY 41553-076 24150 HOSE .50 ID X 48" LG 18513-113 JD 4045T FT4 ENGINE 29224-485 CONNECTOR 26351-065 LIFTING BAIL KIT... - Page 29 OM-07428 PA SERIES ILLUSTRATION Figure 4. Pump Assembly PAGE E - 8 MAINTENANCE & REPAIR...
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Page 30: Pump Assembly
OM-07428 PA SERIES Pump Assembly PARTS LIST ITEM PART PART NAME NUMBER PUMP END ASSEMBLY 46183-511 PRIMING CHAMBER KIT 48275-005 CHECK VALVE KIT 6" 48274-015 -CHECK VALVE 26642-146 --FLAPPER 26688-001 --COVER O‐RING 25152-377 PUMP SUPPORT BRACKET 34265-051 15080 HEX HEAD CAP SCREW... - Page 31 OM-07428 PA SERIES ILLUSTRATION Figure 5. Pump Sub-assembly PAGE E - 10 MAINTENANCE & REPAIR...
- Page 32 OM-07428 PA SERIES PARTS LIST Pump Subassembly ITEM PART PART NAME NUMBER PUMP CASING SEE NOTE BELOW PIPE PLUG P08 15079 STREET ELBOW 1/2" 25412-004 STUD C1213 15991 WEAR PLATE 38691-864 11010 O‐RING 25152-453 LOCK WASHER J06 17090 HEX HEAD CAP SCREW...
- Page 33 OM-07428 PA SERIES ILLUSTRATION Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ì Ì Ì Ì Ì Ï Ï Ï Ï Ì Ì Ì Ì Ì Ì Ì Ì Ì Ì Î Î Î Î Ï...
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Page 34: Repair Rotating Assembly
OM-07428 PA SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER IMPELLER - HIGH HEAD 38615-092 11010 SEAL ASSEMBLY 46512-149 SEAL PLATE 38272-256 10000 OIL SEAL 25227-771 SIGHT GAUGE S1471 BEARING HOUSING 38251-513 10000 PIPE PLUG P08 15079... - Page 35 OM-07428 PA SERIES ILLUSTRATION Figure 7. Priming Chamber Kit PARTS LIST ITEM PART PART NAME NUMBER PRIMING CHAMBER ASSY 46112-709 PIPE BUSHING AP1608 15070 STREET ELBOW RS08 11999 BALL VALVE 26631-052 STUD C0809 15991 HEX NUT D08 15991 LOCK WASHER...
- Page 36 OM-07428 PA SERIES ILLUSTRATION Figure 8. Priming Chamber Assembly PARTS LIST ITEM PART PART NAME NUMBER PRIMING VALVE 26664-007 -ORIFICE BUTTON 26688-021 HEX HEAD CAP SCREW B0806 15991 LOCK WASHER J08 15991 PRIMING VALVE GASKET 38683-657 19060 PRIMING CHAMBER 38343-020 10000...
- Page 37 OM-07428 PA SERIES ILLUSTRATION Ç Ç Ç Ç Î Î Î Î Ç Ç Ç Ç Î Î Î Î Î Î Î Î Î Î Î Î Ç Ç Ç Ç Î Î Î Î Î Î Î Î...
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Page 38: Pump And Seal Disassembly And Reassembly
OM-07428 PA SERIES PUMP AND SEAL DISASSEMBLY could be dangerous to personnel. How ever, this manual cannot possibly antici AND REASSEMBLY pate and provide detailed instructions and precautions for every situation that Review all SAFETY information in Section A. might occur during maintenance of the unit. - Page 39 OM-07428 PA SERIES ot pin. This will allow the linkage to be raised high enough to access the orifice button. Remove the hex nut and lock washer securing the Use Only Genuine Gorman-Rupp re orifice button to the linkage bar and unscrew the placement parts.
- Page 40 OM-07428 PA SERIES Separating Pump And Drive Assembly From Loosening Impeller Engine (Figure 6) (Figure 9) With the pump end separated from the engine, wedge a block of wood between the vanes of the Further disassembly of the pump requires separat...
- Page 41 OM-07428 PA SERIES (6, Figure 6). Tighten the jacking screws in an alter If no further disassembly is required, refer to Seal nating pattern until the pump casing is pushed off Installation. of the bearing housing. Remove the jacking screws and shims (31).
- Page 42 OM-07428 PA SERIES To prevent damage during removal from Most cleaning solvents are toxic and the shaft, it is recommended that bearings flammable. Use them only in a well ven be cleaned and inspected in place. It is tilated area free from excessive heat, strongly recommended that the bearings sparks, and flame.
- Page 43 OM-07428 PA SERIES shaft, never press or hit against the outer NOTE race, balls, or ball cage. Press only on the The flexible portion of the coupling must be proper inner race. ly positioned on the shaft. The heads of the caps...
- Page 44 OM-07428 PA SERIES tion of the coupling with a non‐petroleum based The seal is not normally reused because wear pat lubricant such as vegetable oil or glycerin, or a sili terns on the finished faces cannot be realigned con‐based lubricant such as “WD40” or equivalent.
- Page 45 OM-07428 PA SERIES RETAINER SEAL PLATE SPRING O‐RINGS IMPELLER SLEEVE O‐RING IMPELLER SHIMS IMPELLER SHAFT INTEGRAL SHAFT ROTATING SLEEVE ELEMENT BELLOWS SPRING CENTERING WASHER STATIONARY SEAT DRIVE BAND Figure 11. Seal Assembly the O‐ring down the shaft until it seats against the shaft shoulder.
- Page 46 OM-07428 PA SERIES Lubricate the O‐rings (6 and 15) with light grease and install them in the grooves in the wear plate and back cover. The shaft and impeller threads must be Clearance between the impeller and wear plate is adjusted using the four back cover nuts (13) and completely clean before reinstalling the im...
- Page 47 OM-07428 PA SERIES adjusting screws so the holes in the collars for the Install the cover O‐ring and secure the cover with locking screws align approximately with the holes the previously removed hardware. in the cover plate. Apply a small amount of light grease to the gasket...
- Page 48 OM-07428 PA SERIES LUBRICATION NOTE The white reflector in the sight gauge must be posi (Figure 5) tioned horizontally to provide proper drainage. Seal Assembly Under normal conditions, drain the bearing hous Fill the seal cavity through the hole for the vented ing once each year and refill with clean oil.
- Page 49 For Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419-755-1280 Canada: 519-631-2870 International: +1-419-755-1352 GORMAN‐RUPP PUMPS...
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