GORMAN-RUPP PUMPS PA Series Installation, Operation, And Maintenance Manual With Parts List
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- Page 1 OM-07483-01 January 26, 2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMP MODEL PA12A60D-B-4045H FT4 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 Assembly ..........PAGE E - 3 Power Unit Kit .
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Page 5: Introduction
Gor man‐Rupp pump. This pump is a PA Series, priming‐assisted envi ronmental silent pump. The centrifugal pump unit is designed for handling non‐volatile, non‐flam... -
Page 6: Safety - Section A
PA SERIES OM-07483 SAFETY ‐ SECTION A This information applies to Prime Aire the positive battery cable before per forming any maintenance. Failure to do Series pumps. Refer to the manual ac so may result in serious personal injury. companying the engine or power source before attempting to begin oper... - Page 7 OM-07483 PA SERIES components will deteriorate, and the liquid could come to a boil, build pres sure, and cause the pump casing to rup ture or explode. Momentary closure of a Make sure the pump is level. Lower jack discharge valve is acceptable only...
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Page 8: Installation - Section B
PA SERIES OM-07483 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-07483 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-07483 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-07483 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-07483 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-07483 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-07483 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-07483 PA SERIES OPERATION - SECTION C OPERATION Review all SAFETY information in Section A. Make sure the pump is level. Lower jack Follow the instructions on all tags, labels and stands and chock the wheels, if so decals attached to the pump. -
Page 16: Routine Operation
OM-07483 PA SERIES down the pump and consult Maintenance and OPERATIONAL CHECKS Repair, Section E for further details. ROUTINE OPERATION The engine powering this unit may be equipped with an EPA‐compliant Exhaust After‐Treatment (EAT) system, which is de signed to reduce the amount of polutants Do not operate an internal combustion expelled into the atmosphere during oper... -
Page 17: Strainer Check
OM-07483 PA SERIES restart automatically when the liquid rises and acti pletely cool before servicing. Do not re vates the “On” liquid level device(s). move plates, covers, gauges, or fittings from an overheated pump. Liquid within the pump can reach boiling tempera... -
Page 18: Cold Weather Preservation
OM-07483 PA SERIES normal for bearings, and they can operate safely to Consult the manual accompanying the engine, at least 180 F (82 and change the oil filter periodically as indicated. If operated under extremely dusty conditions, Checking bearing temperatures by hand is inaccu... -
Page 19: Troubleshooting - Section D
OM-07483 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 20 OM-07483 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 21: Preventive Maintenance
OM-07483 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 22 OM-07483 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)
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Page 23: Pump Maintenance And Repair - Section E
OM-07483 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 PA12A60D-B-4045H FT4 Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per... - Page 24 OM-07483 PA SERIES PARTS PAGE ILLUSTRATION PUMP DRIVE VIEW PUMP DRAIN VIEW A−A Figure 1. Pump Model PA12A60D-B-4045H FT4 PAGE E - 2 MAINTENANCE & REPAIR...
- Page 25 OM-07483 PA SERIES PARTS LIST Pump Model PA12A60D-B-4045H FT4 (From S/N 1852736 Up) If your pump serial number is followed by an “N”, your pump is NOT a standard production model. Contact the Gorman‐Rupp Company to verify part numbers. ITEM...
- Page 26 OM-07483 PA SERIES ILLUSTRATION Figure 2. Power Unit Kit PAGE E - 4 MAINTENANCE & REPAIR...
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Page 27: Parts List
OM-07483 PA SERIES PARTS LIST Power Unit Kit ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER BASE/FUEL TANK ASSY 41553-070 24150 FUEL PICKUP 29332-145 LIFTING BAIL KIT 48274-827 HOSE .37 ID X 32.5" LG 18513-302 JD 4045H FT4 ENGINE... - Page 28 OM-07483 PA SERIES ILLUSTRATION DETAIL A DETAIL B Ï Ï Ï Î Î Î Î Î Ì Ì Ì Ï Ï Ï Î Î Î Ï Ï Ï Ï Ì Figure 3. Power Unit Kit (cont'd) PAGE E - 6...
- Page 29 OM-07483 PA SERIES PARTS LIST Power Unit Kit ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER BASE/FUEL TANK ASSY 41553-070 24150 FUEL PICKUP 29332-145 LIFTING BAIL KIT 48274-827 HOSE .37 ID X 32.5" LG 18513-302 JD 4045H FT4 ENGINE...
- Page 30 OM-07483 PA SERIES ILLUSTRATION 13 14 15 Figure 4. Pump Assembly PAGE E - 8 MAINTENANCE & REPAIR...
- Page 31 OM-07483 PA SERIES PARTS LIST Pump Model Assembly ITEM PART PART NAME NUMBER PUMP SUB ASSEMBLY 46183-347 HOSE FITTING 26523-394 T-BOLT CLAMP 1.5 IN 26518-181 HOSE 1" ID X 31.2" LG 18513-321 STREET ELBOW AGS16 11999 REDUCER PIPE BUSHING AP3216 11999...
- Page 32 OM-07483 PA SERIES ILLUSTRATION SEE FIG. 6 Î Î Î Î Î Î Î Ì Ì Ì Ç Ç Ç Ç Ï Ï Ï Ï Ç Ç Ì Ì Ç Ç Ç Ç Ì Î Î Î Ï Ï Ï Ï...
- Page 33 OM-07483 PA SERIES PARTS LIST Pump Sub-Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW LOCK WASHER J04 15991 BOTTLE OILER 26713-004 IMPELLER 38621-809 11010 RD HD MACH SCREW X0405 15991 SEAL ASSEMBLY...
- Page 34 OM-07483 PA SERIES ILLUSTRATION SEE FIG. 5 Î Î Î Î Î Î Î Î Î Î Î Î Ç Ç Ç Ç Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Ì Ì...
- Page 35 OM-07483 PA SERIES PARTS LIST Pump Sub-Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW LOCK WASHER J04 15991 BOTTLE OILER 26713-004 IMPELLER 38621-809 11010 RD HD MACH SCREW X0405 15991 SEAL ASSEMBLY...
- Page 36 OM-07483 PA SERIES ILLUSTRATION Figure 7. Priming Chamber Kit ITEM PART PART NAME NUMBER BALL VALVE 26631-054 STREET ELBOW RS16 11999 PRIMING CHAMBER ASSEMBLY 46112-709 HEX NUT D08 15991 LOCK WASHER J08 15991 STUD C0809 15991 BAFFLE 31113-011 17000 GASKET...
- Page 37 OM-07483 PA SERIES ILLUSTRATION Figure 8. Priming Chamber Assembly 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 STRAINER ASSEMBLY...
- Page 38 OM-07483 PA SERIES ILLUSTRATION Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Ï Î Î Î Î Î Î Î Ï Ï Ï Ï Ï Î Î Ì Ì Î Î Î Î Î...
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Page 39: Pump And Seal Disassembly And Reassembly
PA SERIES OM-07483 PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Before attempting to open or service the pump: Follow the instructions on all tags, label and de 1. Familiarize yourself with this man cals attached to the pump. - Page 40 OM-07483 PA SERIES orifice button, remove one of the “e‐clips” from the necessary and keep personnel away pivot pin closest to the orifice button and remove from suspended objects. the pivot pin. This will allow the linkage to be raised high enough to access the orifice button.
- Page 41 PA SERIES OM-07483 The bushings (9 and 11, Figure 4) and sprockets (8 Pump Casing Removal and 12, Figure 4) can be removed from the di (Figure 5) aphragm primer crankshaft by disengaging the set screws on the front of the bushing. With the set...
- Page 42 OM-07483 PA SERIES move the bottle oiler and bracket assembly and Pedestal Assembly Removal drain the seal cavity. This will prevent the oil in the (Figure 2) oiler from escaping when the impeller is removed. Disassembly of the pedestal requires separation of With the impeller screw and washer removed as the pump and driver.
- Page 43 PA SERIES OM-07483 an alternating sequence to press against the hub pull the bushing and sprocket off the output shaft shoulder and “jack” the sprocket off the hub. (4). Retain the key (13). Further disassembly requires separating the re With the sprocket removed, the hub can be pulled maining drive components from the engine.
- Page 44 OM-07483 PA SERIES The bearing tolerances provide a tight press fit the balls or rollers are discolored, replace the bear onto the shaft and a snug slip fit into the bearing ings. housing. Replace the bearings, shaft, or bearing housing if the proper bearing fit is not achieved.
- Page 45 PA SERIES OM-07483 in shrinking. If movement has occurred, use a suit With the flexible portion of the coupling and the ably sized sleeve and a press to reposition the bushing properly positioned on the shaft, tighten bearings. the two setscrews in an alternating sequence until the bushing and coupling are fully secured.
- Page 46 OM-07483 PA SERIES each bearing positioned away from each other as shown in Figure 6. If heating the bearings is not practical, use a suit To prevent damage during removal from ably sized sleeve and an arbor (or hydraulic) press to install the bearings on the shaft.
- Page 47 PA SERIES OM-07483 Install the sprocket and hub onto the impeller shaft Install the pump drive belt (17, Figure 1) after as as follows. sembling the remaining pump components. (Figures 6 and 10) To adjust the drive belt tension, find the center of the belt span between the pump and engine Install the key (39) in the shaft keyway.
- Page 48 OM-07483 PA SERIES Since the mechanical seal is the primary seal in the Inspect the seal components for wear, scoring, pump, special consideration should be given to grooves, and other damage that might cause leak ensure proper installation. age. Clean and polish the shaft sleeve, or replace it if there are nicks or cuts on either end.
- Page 49 PA SERIES OM-07483 of the stationary seat, O‐rings and stationary ele A clearance of approximately .015 inch (0,38 mm) ment) into the front of the seal plate until it seats between the impeller and the seal plate is recom squarely against the bore shoulder.
- Page 50 OM-07483 PA SERIES the wear ring and into the suction head. Tap the spiral pins into the holes until fully seated. Install the suction head gasket (8). Position the suction head over the studs (10) and secure it with the hardware (4 and 5).
- Page 51 PA SERIES OM-07483 ber Removal and Disassembly for orifice button Bearings removal). (Figure 6) If the orifice button was removed, screw the new The pedestal was fully lubricated when shipped orifice button into the linkage bar until fully seated. from the factory. Check the oil level regularly...
- Page 52 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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