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GORMAN-RUPP PUMPS PAH Series Installation, Operation, And Maintenance Manual With Parts List

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OM-06674-03
February 10, 2020
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PAH SERIESr PUMP
MODEL
PAH10A60C-B
GORMAN‐RUPP PUMPS
www.grpumps.com
e
2016 Gorman‐Rupp Pumps
Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP PUMPS PAH Series

  • Page 1 OM-06674-03 February 10, 2020 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PAH SERIESr PUMP MODEL PAH10A60C-B GORMAN‐RUPP PUMPS www.grpumps.com 2016 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. RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below. Your Gorman‐Rupp distributor needs this information when you require parts or service. Pump Model: Serial Number:...

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐...
  • Page 4 TABLE OF CONTENTS (continued) PREVENTIVE MAINTENANCE ..........PAGE D - 3 PUMP MAINTENANCE AND REPAIR ‐...

  • Page 5: Introduction

    PAH SERIES OM-06674 INTRODUCTION Thank You for purchasing a Gorman‐Rupp pump. HAZARD AND INSTRUCTION Read this manual carefully to learn how to safely DEFINITIONS install and operate your pump. Failure to do so could result in personal injury or damage to the The following are used to alert maintenance per­...

  • Page 6: Safety - Section A

    PAH SERIES OM-06674 SAFETY ‐ SECTION A This information applies to Prime Aire the positive battery cable before per­ Series pumps. Refer to the manual ac­ forming any maintenance. Failure to do companying the engine or power so may result in serious personal injury.
  • Page 7 OM-06674 PAH SERIES certain that the pump and all piping or fingers or tools, causing severe injury to hose connections are tight, properly personnel. supported and secure before operation. Make sure the pump is level. Lower jack stands and chock the wheels, if so Do not operate the pump against a equipped.

  • Page 8: Installation - Section B

    PAH SERIES OM-06674 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: Positioning Pump

    OM-06674 PAH SERIES c. Carefully read all warnings and cautions con­ the pump or component only as high as tained in this manual or affixed to the pump, necessary and keep personnel away and perform all duties indicated. Note the di­...

  • Page 10: Suction And Discharge Piping

    PAH SERIES OM-06674 suction and discharge ports and install the lines. SUCTION AND DISCHARGE PIPING Installation closer to the pump may result in erratic readings. Pump performance is adversely effected by in­ SUCTION LINES creased suction lift, discharge elevation, and fric­...

  • Page 11: Suction Lines In Sumps

    OM-06674 PAH SERIES Suction Lines In Sumps of one or both pumps. To avoid this, position the suction inlets so that they are separated by a dis­ tance equal to at least 3 times the diameter of the If a single suction line is installed in a sump, it suction pipe.

  • Page 12: Valves

    PAH SERIES OM-06674 Valves ment will occur in transit and handling. Pumps must be checked and realigned before operation. Before checking alignment, tighten the foundation This pump is designed with a check valve in the bolts. The pump casing feet and/or pedestal feet, discharge line.

  • Page 13: Cold Weather Installation

    OM-06674 PAH SERIES One method is through the use of an optional heat­ ed priming chamber, which is available as a facto­ ry‐installed option or as a retrofit kit for most mod­ els (consult the factory). This method pumps heat­...

  • Page 14: Operation - Section C

    OM-06674 PAH SERIES OPERATION - SECTION C Review all SAFETY information in Section A. STARTING Consult the operations manual furnished with the Follow the instructions on all tags, labels and power source. decals attached to the pump. Rotation The correct direction of pump rotation is counter­...

  • Page 15: Liquid Temperature And Overheating

    OM-06674 PAH SERIES Liquid Temperature And Overheating should also be checked if pump flow rate begins to drop. Monitor and record the vacuum suction gauge readings regularly to detect strainer block­ The maximum liquid temperature for this pump is age.

  • Page 16: Periodic Checks

    OM-06674 PAH SERIES Air Compressor PERIODIC CHECKS The air compressor was lubricated for test at the Seal Cavity And Bearing Lubrication factory. However, always check the lubrication lev­ el before startup. Both the seal and bearing cavities were fully lubri­...

  • Page 18: Troubleshooting - Section D

    OM-06674 PAH 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. Lock out or disconnect the power source to ensure that the pump will remain inoperative.
  • Page 19 OM-06674 PAH 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 OM-06674 PAH 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 OM-06674 PAH 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 OM-06674 PAH 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 PAH10A60C-B Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 23 OM-06674 PAH SERIES PARTS PAGE ILLUSTRATION 23 24 Figure 1. Pump Model PAH10A60C-B PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 24 OM-06674 PAH SERIES PARTS LIST Pump Model PAH10A60C-B (From S/N 1715036 Up) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW .37 ID X 16.25" LG HOSE 18513-302 PIPE PLUG P04 15079 .50 ID X 12" LG HOSE...
  • Page 25 OM-06674 PAH SERIES ILLUSTRATION Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ì Ì Ì Ì Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Î Î Ç Ì Ì Ì Ì Ì Ì Ì Ì...
  • Page 26 OM-06674 PAH SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER IMPELLER 38621-783 11010 3.25" MECH SEAL 25285-823 SHAFT SLEEVE 31163-023 17000 O‐RING 25154-038 A HD SET SCREW GA0601-1/2 17090 WEAR RING 38691-638 11010 SEAL PLATE 38272-615 11010...
  • Page 27 OM-06674 PAH SERIES ILLUSTRATION VENTURI DETAIL Figure 3. Air Compressor Assembly PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 28 OM-06674 PAH SERIES PARTS LIST Air Compressor Assembly ITEM PART PART NAME NUMBER MACH SCREW X#10-02 15991 HEX NUT D#10 15991 LOCK WASHER J#10 15991 FLAT WASHER K#10 15991 AIR COMPRESSOR COVER 38354-043 15120 AIR COMPRESSOR 26813-111 PIPE CAP V06 15079...
  • Page 29 OM-06674 PAH SERIES ILLUSTRATION Figure 4. Priming Chamber Kit PARTS LIST 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...
  • Page 30 OM-06674 PAH SERIES ILLUSTRATION Figure 5. Priming Chamber Assembly PARTS LIST ITEM PART PART NAME NUMBER PRIMING VALVE 26664-007 -ORIFICE BUTTON 26688-021 HEX HD CAPSCREW B0806 15991 LOCKWASHER J08 15991 PRIMING VALVE GASKET 38683-657 19060 PRIMING CHAMBER 38343-020 10000 STRAINER ASSY...
  • Page 32 OM-06674 PAH SERIES PUMP AND SEAL DISASSEMBLY tenance procedures are used, and that any procedures not addressed in this AND REASSEMBLY manual are performed only after estab­ lishing that neither personal safety nor Review all SAFETY information in Section A.
  • Page 33 OM-06674 PAH SERIES the pivot 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 34 OM-06674 PAH SERIES Impeller and Wear Ring Removal pedestal (18). Position the seal plate on a flat sur­ face with the impeller side down. Use a wooden (Figure 2) dowel or other suitable tool to press on the back side of the stationary seat until the seat and O‐ring Before attempting to remove the impeller (1) posi­...
  • Page 35 OM-06674 PAH SERIES Remove any leveling shims used under the be cleaned and inspected in place. It is pedestal mounting feet. Tie and tag the shims for strongly recommended that the bearings ease of reassembly. be replaced any time the shaft and bear­...
  • Page 36 OM-06674 PAH SERIES Shaft and Bearing Reassembly and Installation (Figure 2) When installing the bearings onto the Clean and inspect the bearings as indicated in shaft, never press or hit against the outer Shaft and Bearing Removal and Disassembly. race, balls, or ball cage. Press only on the inner race.
  • Page 37 OM-06674 PAH SERIES Securing Rotating Assembly to Power Source (Figure 1) When installing the shaft and bearings into the bearing bore, push against the outer race. Never hit the balls, rollers or cages. Apply a light coating of oil to the lip of the outboard oil seal (12) and press it into the pedestal with the lip positioned as shown in Figure 2.
  • Page 38 OM-06674 PAH SERIES Wipe lightly in a concentric pattern to avoid precautions printed on solvent contain­ scratching the faces. ers. Inspect the seal components for wear, scoring, grooves, and other damage that might cause leak­ age. Clean and polish the shaft sleeve, or replace it if there are nicks or cuts on either end.
  • Page 39 OM-06674 PAH SERIES Inspect the seal plate (7), shaft sleeve (3) and the Impeller Installation impeller shaft for burrs or sharp corners, and re­ (Figure 2) move any that exist. Inspect the impeller and replace it if cracked or badly worn. If removed, install the roll pin (8) in the If the wear ring (6) was removed, press the replace­...
  • Page 40 OM-06674 PAH SERIES Discharge Check Valve Reassembly and ing chamber assembly on the pump suction spool Installation (47, Figure 1). Secure the priming chamber as­ sembly with the hardware (4 and 5). (Figure 1) Reconnect both the suction piping and the air dis­...
  • Page 41 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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Pah10a60c-b

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