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GORMAN-RUPP PA12A60-B-QSB4.5P Installation, Operation And Maintenance Manual

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OM-06557-01
December 4, 2015
Rev. A - 03/04/19
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
PA SERIESr PUMP
MODEL
PA12A60-B-QSB4.5P
GORMAN‐RUPP PUMPS
www.grpumps.com
e
2015 Gorman‐Rupp Pumps
Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP PA12A60-B-QSB4.5P

  • Page 1 OM-06557-01 December 4, 2015 Rev. A - 03/04/19 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST PA SERIESr PUMP MODEL PA12A60-B-QSB4.5P GORMAN‐RUPP PUMPS www.grpumps.com 2015 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.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY ‐...
  • Page 4 TABLE OF CONTENTS (continued) PARTS LISTS: Pump Model ............PAGE E - 3 Pump Assembly .

  • Page 5: Introduction

    PA SERIES OM-06557 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

    PA SERIES OM-06557 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-06557 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 stands and chock the wheels, if so when required for startup or shutdown equipped.

  • Page 8: Installation - Section B

    See Figure 1 for the approximate physical dimen­ some of the information such as mounting, line sions of this pump. OUTLINE DRAWING Figure 1. Pump Model PA12A60-B-QSB4.5P PREINSTALLATION INSPECTION a. Inspect the pump for cracks, dents, damaged threads, and other obvious damage.

  • Page 9: Positioning Pump

    OM-06557 PA SERIES c. Carefully read all tags, decals, and markings moved from the pump before lifting. Lift on the pump assembly, and perform all duties the pump or component only as high as indicated. Note that the pump shaft rotates in necessary and keep personnel away the required direction.

  • Page 10: Materials

    PA SERIES OM-06557 Materials the source of the liquid being pumped; if the line slopes down to the pump at any point along the Either pipe or hose maybe used for suction and suction run, air pockets will be created. discharge lines;...

  • Page 11: Suction Line Positioning

    OM-06557 PA SERIES the sump, and air entering the suction line will re­ Suction Line Positioning duce pump efficiency. The depth of submergence of the suction line is critical to efficient pump operation. Figure 2 shows recommended minimum submergence vs. If it is necessary to position inflow close to the suc­...

  • Page 12: Discharge Lines

    PA SERIES OM-06557 Refer to the information which follows for installa­ DISCHARGE LINES tion details for the liquid level sensing system pro­ vided with your pump. Siphoning Float Switch Installation Do not terminate the discharge line at a level lower than that of the liquid being pumped unless a si­...
  • Page 13 OM-06557 PA SERIES 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 PAGE B - 6 INSTALLATION...

  • Page 14: Operation - Section C

    OM-06557 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. equipped.

  • Page 15: Operation

    OM-06557 PA SERIES Liquid Temperature And Overheating The maximum liquid temperature for this pump is Never tamper with the governor to gain F (71 C). Do not apply it at a higher operating temperature. more power. The governor establishes safe operating limits that should not be exceeded.

  • Page 16: Stopping

    OM-06557 PA SERIES STOPPING shutdown before putting the unit back into service. Consult the factory for ad­ ditional information. Manual Stopping PERIODIC CHECKS In the manual mode, reduce the throttle speed slowly, and allow the engine to idle briefly before Seal Cavity and Bearing Lubrication turning the keyswitch to `OFF'.

  • Page 17: Cold Weather Preservation

    OM-06557 PA SERIES Consult the manual accompanying the engine, for approximately one minute; this will remove any and change the oil filter periodically as indicated. If remaining liquid that could freeze the pump rotat­ operated under extremely dusty conditions, ing parts. If the pump will be idle for more than a change the filter more frequently.

  • Page 18: Troubleshooting - Section D

    OM-06557 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-06557 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

    OM-06557 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. Suction and discharge lines not prop­...
  • Page 21 OM-06557 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) Air Release Valve Plunger Rod (If So Equipped) Front Impeller Clearance (Wear Plate)

  • Page 22: Pump Maintenance And Repair - Section E

    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 PA12A60-B-QSB4.5P Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per­...
  • Page 23 OM-06557 PA SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model PA12A60-B-QSB4.5P PAGE E - 2 MAINTENANCE & REPAIR...
  • Page 24 OM-06557 PA SERIES PARTS LIST Pump Model PA12A60-B-QSB4.5P (From S/N 1601500 Up) ITEM PART PART NAME NUMBER PUMP SUB‐ASSEMBLY 46183-021 HEX NUT D10 15991 LOCK WASHER J10 15991 FLAT WASHER K10 15991 HEX HEAD CAP SCREW B1008 15991 LIFTING BAIL ASSEMBLY...
  • Page 25 OM-06557 PA SERIES ILLUSTRATION VENTURI HOSE DETAIL Î Î Ì Ì Î Î Ç Ì Ì Ì Ì Ì Ì Ç Ç Ì Ì Î Î Î Ï 28 60 27 61 27 61 27 Figure 2. 46183-021 Pump Subassembly PAGE E - 4 MAINTENANCE &...
  • Page 26 OM-06557 PA SERIES PARTS LIST 46183-021 Pump Subassembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP MODEL ASSY 46133-726 CLOSE PIPE NIPPLE T08 15079 HEX HEAD CAP SCREW B0806 15991 VENTURI 26817-002 LOCK WASHER J08 15991 PIPE CPLG 1/2 AE08 15079 HEX NUT D08 15991...
  • Page 27 OM-06557 PA SERIES ILLUSTRATION SECTION C−C 69 39 40 Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç Ç SECTION B−B 44 68 VENTURI VIEW LESS GUARD Figure 3. 46183-021 Pump Subassembly (Cont'd) PAGE E - 6 MAINTENANCE & REPAIR...
  • Page 28 OM-06557 PA SERIES PARTS LIST 46183-021 Pump Subassembly (Cont'd) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP MODEL ASSY 46133-726 CLOSE PIPE NIPPLE T08 15079 HEX HEAD CAP SCREW B0806 15991 VENTURI 26817-002 LOCK WASHER J08 15991 PIPE CPLG 1/2 AE08 15079 HEX NUT...
  • Page 29 OM-06557 PA SERIES ILLUSTRATION Figure 4. Engine Modification PAGE E - 8 MAINTENANCE & REPAIR...
  • Page 30 OM-06557 PA SERIES PARTS LIST Engine Modification ITEM PART PART NAME NUMBER CUMMINS 4.5 ENGINE 29216-352 PEDESTAL ASSY 44167-508 HEX HEAD CAP SCREW B1007 15991 FLAT WASHER K10 15991 LOCK WASHER J10 15991 HEX NUT D10 15991 HEX HEAD CAP SCREW 22645-164 LOCK WASHER 21171-511...
  • Page 31 OM-06557 PA SERIES ILLUSTRATION Figure 5. Pump Model Assembly PAGE E - 10 MAINTENANCE & REPAIR...
  • Page 32 OM-06557 PA SERIES PARTS LIST Pump Model Assembly ITEM PART PART NAME NUMBER PUMP ASSY 46133-640 HEX HD CAPSCREW B1416 15991 LOCKWASHER J14 15991 HEX NUT D14 15991 12” CHECK VALVE 26642-128 -FLAPPER 26688-003 -COVER GASKET 26688-004 FLANGE GASKET 4991G 18000 PIPE PLUG P04 15079 12”...
  • Page 33 OM-06557 PA SERIES ILLUSTRATION SEE FIG. 7 Figure 6. 612M60-B Pump Model Assembly PAGE E - 12 MAINTENANCE & REPAIR...
  • Page 34 OM-06557 PA SERIES PARTS LIST 612M60-B Pump Model Assembly ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW IMPELLER KEY N0809 15990 IMP/WEAR RING ASSY 46151-022 24110 ROLLER BEARING 23528-005 -IMPELLER NOT AVAILABLE BEARING CAP 38322-425 10010 AIR VENT S1730...
  • Page 35 OM-06557 PA SERIES ILLUSTRATION SEE FIG. 6 Figure 7. 612M60-B Pump Model Assembly (Cont'd) PAGE E - 14 MAINTENANCE & REPAIR...
  • Page 36 OM-06557 PA SERIES PARTS LIST 612M60-B Pump Model Assembly (Cont'd) ITEM PART NAME PART ITEM PART NAME PART NUMBER NUMBER PUMP CASING SEE NOTE BELOW IMPELLER KEY N0809 15990 IMP/WEAR RING ASSY 46151-022 24110 ROLLER BEARING 23528-005 -IMPELLER NOT AVAILABLE BEARING CAP 38322-425 10010 AIR VENT...
  • Page 37 OM-06557 PA SERIES ILLUSTRATION Figure 8. 48275-006 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 38687-053 19060 INDICATES PARTS RECOMMENDED FOR STOCK...
  • Page 38 OM-06557 PA SERIES ILLUSTRATION Figure 9. 46112-709 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 46641-222 17000 INDICATES PARTS RECOMMENDED FOR STOCK...
  • Page 39 OM-06557 PA SERIES ILLUSTRATION Figure 10. 44162-185 Engine Drive Assembly ITEM PART PART NAME NUMBER RETAINING RING 24121-075 RETAINING RING S215 BALL BEARING 23282-012 OUTPUT SHAFT 38512-051 N0612 15990 BEARING HOUSING 38251-001 11010 SOCKET HEAD CAPSCREW BD0606-1/2 15991 LOCK WASHER J06 15991 ALLEN HEAD SETSCREW GA0703-1/2 15990...
  • Page 40 OM-06557 PA SERIES ILLUSTRATION IMPELLER WEAR RING NOTE: UNLESS OTHERWISE SPECIFIED, MACHINED SURFACES TO BE 125 RMS. Figure 11. Impeller Assembly Machining Tolerances MAINTENANCE & REPAIR PAGE E - 19...
  • Page 41 OM-06557 PA SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Before attempting to open or service the Review all SAFETY information in Section A. pump: 1. Familiarize yourself with this man­ Follow the instructions on all tags, label and de­ ual. cals attached to the pump.
  • Page 42 PA SERIES OM-06557 orifice button, remove one of the “e‐clips” from the the pump or component only as high as pivot pin closest to the orifice button and remove necessary and keep personnel away the pivot pin. This will allow the linkage to be raised from suspended objects.
  • Page 43 OM-06557 PA SERIES the suction head bore. Remove the wear ring sec­ of wedges 180 apart between the impeller and the tions from the suction head. Pull the spiral pins seal plate (40, Figure 7). Tap the wedges alternate­ from the suction head. ly to force the impeller off the shaft.
  • Page 44 PA SERIES OM-06557 If no further disassembly is required, refer to Seal Before disassembling the pedestal, remove the Installation. pedestal drain plug (21) and drain the oil from the pedestal. Clean and reinstall the pipe plug. Pedestal Assembly Removal Disengage the capscrews (22) and and remove the outboard bearing cap (24), O‐ring (25) and oil (Figure 3) seal (23).
  • Page 45 OM-06557 PA SERIES the coupling (11) will separate from the drive ring remove the inboard (3) and outboard (12) bearings secured to the engine flywheel with the hardware from the shaft. (7 and 8). Disengage the hardware to remove the It is not necessary to remove the inboard bearing drive ring from the flywheel.
  • Page 46 PA SERIES OM-06557 bearing seating surfaces. Dress small nicks and Slide the shaft and assembled bearings into the burrs with a fine file or emery cloth. Replace the bearing housing until the outboard bearing is fully shaft if defective. seated against the bearing housing shoulder. If removed, install the inboard bearing retaining rings (2) on the output shaft (4).
  • Page 47 OM-06557 PA SERIES in the taperlock bushing (15) with the shaft key and strongly recommended that the bearings slide the bushing onto the shaft. Align the holes in be replaced any time the shaft and bear­ the bushing with those in the sprocket, and install ings are removed.
  • Page 48 PA SERIES OM-06557 Lubricate the pedestal as indicated in LUBRICA­ TION. Install the sprocket and bushing (50 and 51, Figure 3) onto the impeller shaft as follows. When installing the bearings onto the shaft, never press or hit against the outer (Figures 7 and 12) race, balls, or ball cage.
  • Page 49 OM-06557 PA SERIES Reconnect and align the coupling halves as de­ Seal Reassembly and Installation scribed in Installation And Operation. Install the (Figures 6, 7 and 14) compressor and pump drive belts after assem­ bling the remaining pump components. See Fig­ Clean the bore of the seal plate (40), the seal plate ure 13 and use the compressor tensioners to tight­...
  • Page 50 PA SERIES OM-06557 faces to ensure that they are free of any foreign lows and stationary seat O‐rings with water or a matter. very small amount of oil, and apply a drop of light lubricating oil on the finished faces. Assemble the To ease installation of the seal, lubricate the bel­...
  • Page 51 OM-06557 PA SERIES Impeller Installation A clearance of approximately .025 to .040 inch (0,63 to 1,04 mm) between the impeller and the (Figure 6) seal plate is recommended for maximum pump ef­ ficiency. Measure this clearance, and add or re­ move impeller adjusting shims as required.
  • Page 52 PA SERIES OM-06557 Install the suction head gasket (52). Position the Install the strainer (6) and priming chamber gasket suction head over the studs (53) and secure it with (4). the hardware (14 and 15). Lower the float into the priming chamber (5) and secure the priming chamber with the previously re­...
  • Page 53 OM-06557 PA SERIES Engine ture condensation. This is especially im­ portant in areas where variable hot and Consult the literature supplied with the engine, or cold temperatures are common. contact your local engine representative. For cold weather operation, consult the factory or a lubricant supplier for the recommended grade of oil.
  • Page 54 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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