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GORMAN-RUPP PA Series Installation, Operation And Maintenance Manual

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U
OM-05731−OE01
November 11, 2004
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIES PUMP
MODEL
PA14A60−B−6081H
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
D
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
Printed in U.S.A
www.gormanrupp.com.
E
Copyright by the Gorman-Rupp Company

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  • Page 1 OM-05731−OE01 November 11, 2004 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIES PUMP MODEL PA14A60−B−6081H THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A www.gormanrupp.com. Copyright by the Gorman-Rupp Company...
  • Page 2 The engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I −...
  • Page 4 TABLE OF CONTENTS (continued) PARTS LISTS: Pump Model ............PAGE E −...

  • Page 5: Introduction

    Gor- man-Rupp pump. This pump is a PA Series, priming-assisted centrif- ugal model. The unit is designed for handling non- Immediate hazards which WILL result in volatile, non-flammable liquids containing speci- fied entrained solids.

  • Page 6: Safety - Section A

    PA SERIES OM−05731 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- ation.
  • Page 7 OM−05731 PA SERIES heated pump. Vapor pressure within the pump can cause parts being disen- gaged to be ejected with great force. Al- low the pump to cool completely before Do not operate an internal combustion servicing. engine in an explosive atmosphere.

  • Page 8: Installation − Section Bpage B

    For further assistance, contact your Gorman-Rupp Most of the information pertains to a standard distributor or the Gorman-Rupp Company. static lift application where the pump is positioned above the free level of liquid to be pumped.

  • Page 9: Battery Installation

    If the maximum shelf life has been exceeded, or if units. anything appears to be abnormal, contact your Gorman-Rupp distributor or the factory to deter- mine the repair or updating policy. Do not put the pump into service until appropriate action has been taken.

  • Page 10: Suction And Discharge Piping

    PA SERIES OM−05731 the brake and blocking the wheels before attempt- lines are used, they should have adequate support ing to operate the pump. to secure them when filled with liquid and under pressure. Gauges The pump is drilled and tapped for installing dis- If the pump has been mounted on a mov- charge pressure and vacuum suction gauges.

  • Page 11: Sealing

    OM−05731 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

    Valves aligned with and parallel to each other. This pump is designed with a check valve in the When mounted at the Gorman-Rupp factory, driver discharge line. and pump are aligned before shipment. Misalign- ment can occur in transit and handling. Pumps...

  • Page 13: Auto-Start

    OM−05731 PA SERIES stop as the liquid level in the wet well or sump rises the engine to ensure that the pump will and falls. remain inoperative. Refer to the information which follows for installa- The axis of the drive unit must be aligned to the axis...
  • Page 14 PA SERIES OM−05731 ENGINE (0.9) CONTROL (.76) (Emptying) (0.6) (Filling) (.46) OPERATING (0.3) RANGE CABLE (See Table Below) TETHER (.15) POINT (Emptying) (0.3) (0.6) (0.9) (1.2) APPROXIMATE FREE CORD LENGTH IN FT. (M) 1.25" Pipe (Filling) (Not Furnished) Figure 3. Float Switch Data INSTALLATION PAGE B −...

  • Page 15: Operation − Section C

    OM−05731 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: Automatic Starting

    OM−05731 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: Bearing Temperature Check

    OM−05731 PA SERIES shock waves can be transmitted to the pump and A sudden increase in bearing temperatures is a piping system. Close all connecting valves slowly. warning that the bearings are at the point of failing to operate properly. Make certain that the bearing...

  • Page 18: Troubleshooting − Section D

    OM−05731 PA SERIES TROUBLESHOOTING − SECTION D Review all SAFETY information in Section A. Before attempting to open or service the pump: 1. Familiarize yourself with this manual. 2. Shut down the engine and discon- nect the positive battery cable to en- sure that the pump will remain inop- erative.
  • Page 19 OM−05731 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.

  • Page 20: Preventive Maintenance

    Gorman-Rupp pump. For specific questions con- For new applications, a first inspection of wearing cerning your application, contact your Gorman- parts at 250 hours will give insight into the wear rate Rupp distributor or the Gorman-Rupp Company.
  • Page 21 OM−05731 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)

  • Page 22: Pump Maintenance And Repair - Section E

    OPERATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL PA14A60−B−6081H Based on 70_F (21_C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers. with minimum suction lift. Since pump installations are seldom identical, your performance may be dif- ferent due to such factors as viscosity, specific gravity, elevation, temperature, and impeller trim.
  • Page 23 OM−05731 PA SERIES PARTS PAGE SECTION DRAWING Figure 1. Pump Model PA14A60−B−6081H PAGE E − 2 MAINTENANCE & REPAIR...
  • Page 24 PARTS LIST Pump Model PA14A60−B−6081H (From S/N 1296982 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 PART MAT’L PART NAME...
  • Page 25 OM−05731 PA SERIES SECTION DRAWING Figure 2. PA14A60−B Pump Assembly PARTS LIST ITEM PART MAT’L PART NAME NUMBER CODE PUMP ASSEMBLY 26837−007 −−− PRIMING CHAMBER KIT 48275−005 −−− ADAPTOR PLATE 33541−056 15080 ADAPTOR PLATE GASKET 26835−771 −−− HEX HD CAPSCREW...
  • Page 26 OM−05731 PA SERIES SECTION DRAWING Figure 3. X496−80 Power Unit Kit MAINTENANCE & REPAIR PAGE E − 5...
  • Page 27 OM−05731 PA SERIES PARTS LIST X496−80 Power Unit Kit ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE J.D. 6081H ENGINE 29224−209 −−− PRESSURE RELIEF VALVE 26662−028 −−− BASE ASSEMBLY X496−77 24150 CONNECTOR 26351−065 −−−...
  • Page 28 OM−05731 PA SERIES SECTION DRAWING Figure 4. 26837−007 Pump Assembly MAINTENANCE & REPAIR PAGE E − 7...
  • Page 29 OM−05731 PA SERIES PARTS LIST 26837−007 Pump Model Assembly ITEM PART NAME PART MAT’L ITEM PART NAME PART MAT’L NUMBER CODE NUMBER CODE VOLUTE 26835−258 −−− 3/8" I.D. X 24" LG HOSE 18513−302 −−−− IMPELLER 26835−206 −−− REDUCER BUSHING AP1608...
  • Page 30 OM−05731 PA SERIES SECTION DRAWING Figure 5. 48275−005 Priming Chamber Kit ITEM PART MAT’L PART NAME NUMBER CODE PRIMING CHAMBER ASSY 46112−709 −−− PIPE BUSHING AP1608 11999 STREET ELBOW RS08 11999 BALL VALVE 26631−052 −−− STUD C0809 15991 HEX NUT...
  • Page 31 OM−05731 PA SERIES SECTION DRAWING Figure 6. 46112−709 Priming Chamber Assembly PARTS LIST ITEM PART MAT’L PART NAME NUMBER CODE PRIMING VALVE 26664−007 −−− −ORIFICE BUTTON 26688−021 −−− HEX HD CAPSCREW B0806 15991 LOCKWASHER 15991 STRAINER ASSY 46641−222 17000 PRIMING CHAMBER 38343−020...
  • Page 32 PA SERIES OM−05731 PUMP AND SEAL DISASSEMBLY 4. Check the temperature before opening any covers, plates, or AND REASSEMBLY plugs. 5. Close the suction and discharge Review all SAFETY information in Section A. valves. Follow the instructions on all tags, label and de- 6.
  • Page 33 OM−05731 PA SERIES chamber assembly using a sling and a suitable lift- Suction Cover And Wear Ring Removal ing device. Remove the hardware (5 and 6) and (Figure 4) separate the priming chamber assembly, gasket (7) and baffle (8) from the adaptor plate (3, Figure...
  • Page 34 PA SERIES OM−05731 an impact wrench. Make sure the socket is in ex- Seal Removal cellent condition to avoid stripping or damage to (Figures 4 And 7) the screw. Remove the impeller shims (70) and seal spring. Slide the rotating portion of the seal (consisting of...
  • Page 35 OM−05731 PA SERIES assembly. Disassemble the shaft and bearings only when there is evidence of wear or damage. When removing the bearings (18 and 20) from the shaft, never press or hit against the outer race, balls, or ball cage. Press only on the inner race.
  • Page 36 PA SERIES OM−05731 tation is rough, or the balls are discolored, replace away from the shaft shoulder in shrinking. If move- the bearings. ment has occurred, use a suitably sized sleeve and a press to reposition the bearings against the shaft shoulder.
  • Page 37 OM−05731 PA SERIES Lubricate the shaft in the area of the oil seal (43) Seal Reassembly and Installation and use a suitably sized sleeve to press the oil seal (Figures 4 and 7) into the bracket with the lip positioned as shown in Figure 4.
  • Page 38 PA SERIES OM−05731 O-RING BACK PLATE SPRING STATIONARY IMPELLER SEAT RETAINER GLAND SHAFT SHAFT SLEEVE IMPELLER SHAFT SHAFT SLEEVE O-RING V-RING SEAL IMPELLER ROTATING SHIMS ELEMENT BELLOWS Figure 7. Seal Assembly Carefully position the back plate and stationary seat over the shaft and secure it to the bracket (6) with the previously removed hardware (47).
  • Page 39 5/8−11 UNC capscrew to press the im- proper lock screw material and specifications, use peller onto the shaft until fully seated (do not use only genuine Gorman-Rupp replacement parts. the impeller lock screw). Make sure the spring holder seats squarely inside the seal spring.
  • Page 40 PA SERIES OM−05731 Discharge Check Valve Assembly And LUBRICATION Installation Seal Assembly (Figure 2) (Figure 4) The flapper and gasket are the only serviceable parts of the check valve (7). If the flapper requires Check the oil level regularly at the sight gauge on...
  • Page 41 For U.S. and International Warranty Information, Please Visit www.grpumps.com/warranty or call: U.S.: 419−755−1280 International: +1−419−755−1352 For Canadian Warranty Information, Please Visit www.grcanada.com/warranty or call: 519−631−2870 THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA...

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Pa14a60-b-6081h

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