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GORMAN-RUPP PUMPS U3B60-B Installation, Operation, And Maintenance Manual With Parts List

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C
OM-02846-OB01
April 14, 1986
Rev.G 01/30/03
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
U SERIES PUMP
MODEL
U3B60---B
INCLUDING: /F, /FM
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
D
Printed in U.S.A.
www.gormanrupp.com
Copyright by the Gorman-Rupp Company
E

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  • Page 1 OM-02846-OB01 April 14, 1986 Rev.G 01/30/03 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST U SERIES PUMP MODEL U3B60---B INCLUDING: /F, /FM 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 TABLE OF CONTENTS INTRODUCTION ..........PAGE I --- 1 SAFETY --- SECTION A .

  • Page 3: Table Of Contents

    TABLE OF CONTENTS (continued) TROUBLESHOOTING --- SECTION D ......PAGE D --- 1 PREVENTIVE MAINTENANCE .
  • Page 4 U SERIES OM -- 02846 INTRODUCTION Thank You for purchasing a Gorman-Rupp pump. This pump is a U Series, semi-open impeller, self- Read this manual carefully to learn how to safely priming centrifugal model with a suction check install and operate your pump. Failure to do so valve.
  • Page 5 U SERIES OM -- 02846 SAFETY --- SECTION A This information applies to U Series ba- sic pumps. Gorman-Rupp has no con- trol over or particular knowledge of the power source which will be used. Refer After the pump has been positioned, to the manual accompanying the power make certain that the pump and all pip- source before attempting to begin...
  • Page 6 OM -- 02846 U SERIES Never run this pump backwards. Be cer- Use lifting and moving equipment in tain that rotation is correct before fully good repair and with adequate capacity engaging the pump. to prevent injuries to personnel or dam- age to equipment.
  • Page 7 See Figure 1 for the approximate physical dimen- configuration, and priming must be tailored to the sions of this pump. OUTLINE DRAWING Figure 1. Pump Model U3B60-B INSTALLATION PAGE B -- 1...
  • Page 8 OM -- 02846 U SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be- Lifting fore shipment from the factory. Before installation, inspect the pump for damage which may have oc- Use lifting equipment with a capacity of at least curred during shipment.
  • Page 9 U SERIES OM -- 02846 Materials the source of the liquid being pumped; if the line slopes down to the pump at any point along the suction run, air pockets will be created. Either pipe or hose maybe used for suction and discharge lines;...
  • Page 10 OM -- 02846 U SERIES If there is a liquid flow from an open pipe into the tance equal to at least 3 times the diameter of the sump, the flow should be kept away from the suc- suction pipe. tion inlet because the inflow will carry air down into the sump, and air entering the suction line will re- Suction Line Positioning...
  • Page 11 U SERIES OM -- 02846 If a throttling valve is desired in the discharge line, use a valve as large as the largest pipe to minimize friction losses. Never install a throttling valve in a suction line. A bypass line that is returned to a wet well must be secured against being drawn into With high discharge heads, it is recommended that the pump suction inlet.
  • Page 12 OM -- 02846 U SERIES Allow an over-heated pump to com- pletely cool before servicing Do not re- move plates, covers, gauges, or fittings from an over-heated pump. Liquid with- in the pump can reach boiling tempera- tures, and vapor pressure within the pump can cause parts being disen- gaged to be ejected with great force.
  • Page 13 U SERIES OM -- 02846 Air Release Valve Installation NOTE If the Air Release Valve is to be installed on a staged The Automatic Air Release Valve must be inde- pump application, contact the factory for specific pendently mounted in a horizontal position and installation instructions.
  • Page 14 OM -- 02846 U SERIES When mounted at the Gorman-Rupp factory, driver and pump are aligned before shipment. Misalign- ment will occur in transit and handling. Pumps must be checked and realigned before operation. Before checking alignment, tighten the foundation bolts.
  • Page 15 U SERIES OM -- 02846 leys are properly aligned (see Figure 6C). In drive systems using two or more belts, make certain that the belts are a matched set; unmatched sets will cause accelerated belt wear. Do not operate the pump without the guards in place over the rotating parts.
  • Page 16 OM -- 02846 U SERIES OPERATION --- SECTION C Review all SAFETY information in Section A. Add liquid to the pump casing when: 1. The pump is being put into service for the Follow the instructions on all tags, labels and de- first time.
  • Page 17 OM -- 02846 U SERIES by incorrect rotation. If pump performance is not filled, adjust the throttling valve to the required flow within the specified limits (see the curve on page rate. E-1), check the direction of power source rotation before further troubleshooting.
  • Page 18 OM -- 02846 U SERIES STOPPING As a safeguard against rupture or explosion due to heat, this pump is equipped with a pressure relief valve which will open if vapor pressure within the Never halt the flow of liquid suddenly. If the liquid pump casing reaches a critical point.
  • Page 19 OM -- 02846 U SERIES A sudden increase in bearing temperature is a caused by shaft misalignment and/or excessive vi- bration. warning that the bearings are at the point of failing to operate properly. Make certain that the bearing When pumps are first started, the bearings may lubricant is of the proper viscosity and at the cor- seem to run at temperatures above normal.

  • Page 20: Troubleshooting

    U SERIES OM -- 02846 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 21 OM -- 02846 U SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Air leak in suction line. Correct leak. PUMP STOPS OR FAILS TO DELIVER Lining of suction hose collapsed. Replace suction hose. RATED FLOW OR PRESSURE Leaking or worn seal or pump gasket. Check pump vacuum.

  • Page 22: Preventive Maintenance

    U SERIES OM -- 02846 TROUBLE POSSIBLE CAUSE PROBABLE REMEDY EXCESSIVE NOISE Cavitation in pump. Reduce suction lift and/or friction losses in suction line. Record vac- uum and pressure gauge readings and consult local representative or factory. Pumping entrained air. Locate and eliminate source of air bubble.
  • Page 23 OM -- 02846 U 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)

  • Page 24: Pump Maintenance And Repair

    MAINTENANCE AND REPAIR OF THE WEARING PARTS OF THE PUMP WILL MAINTAIN PEAK OPER- ATING PERFORMANCE. STANDARD PERFORMANCE FOR PUMP MODEL U3B60-B Based on 70_ F (21_ C) clear water at sea level Contact the Gorman-Rupp Company to verify per- formance or part numbers.
  • Page 25 OM -- 02846 U SERIES SECTION DRAWING Figure 1. Pump Model U3B60---B PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 26: Parts Lists

    OM -- 02846 U SERIES PARTS LIST Pump Model U3B60---B (From S/N 853301 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 NAME PART...
  • Page 27 OM -- 02846 U SERIES SECTION DRAWING Figure 2. 44163---101 Repair Rotating Assembly PAGE E -- 4 MAINTENANCE & REPAIR...
  • Page 28 OM -- 02846 U SERIES PARTS LIST 44163---101 Repair Rotating Assembly ITEM PART MAT’L PART NAME NUMBER CODE IMPELLER 38619---015 11000 SEAL ASSEMBLY 46513---151 --- --- --- SEAL PLATE GASKET 10959G 20000 INBOARD OIL SEAL S1352 --- --- --- BEARING HOUSING 38251---508 10010 INBOARD BALL BEARING...

  • Page 29: Pump And Seal Disassembly And Reassembly

    OM -- 02846 U SERIES PUMP AND SEAL DISASSEMBLY 1. Familiarize yourself with this man- ual. AND REASSEMBLY 2. Disconnect or lock out the power source to ensure that the pump will Review all SAFETY information in Section A. remain inoperative. 3.

  • Page 30: Rotating Assembly Removal

    U SERIES OM -- 02846 quired since it must be replaced as a complete unit. Turn Individual parts are not sold separately. Counterclockwise Lathe Dog Arm Rotating Assembly Removal (Figure 2) “V” Notch Heavy Shaft Key Bar Stock The rotating assembly may be serviced without Impeller Shaft disconnecting the suction or discharge piping;...

  • Page 31: Impeller Removal

    OM -- 02846 U SERIES Install the tee, and screw the handles into the tee. Shaft and Bearing Removal and Disassembly Use caution when lifting the rotating assembly to (Figure 2) avoid injury to personnel or damage to the assem- bly.

  • Page 32: Shaft And Bearing Reassembly And Installation

    U SERIES OM -- 02846 tilated area free from excessive heat, sparks, and flame. Read and follow all sparks, and flame. Read and follow all precautions printed on solvent contain- precautions printed on solvent contain- ers. ers. Inspect the shaft for distortion, nicks or scratches, or for thread damage on the impeller end.

  • Page 33: Seal Installation

    OM -- 02846 U SERIES Lubricate the bearing housing as indicated in LU- After the bearings have been installed and allowed to cool, check to ensure that they have not moved BRICATION. away from the shaft shoulders in shrinking. If movement has occurred, use a suitable sized Seal Installation sleeve and a press to reposition the bearings...
  • Page 34 U SERIES OM -- 02846 RETAINER SEAL PLATE SPRING O-RINGS IMPELLER SLEEVE O-RING IMPELLER SHIMS IMPELLER SHAFT INTEGRAL SHAFT ROTATING STATIONARY SLEEVE BELLOWS ELEMENT ELEMENT SHEAR RING SPRING CENTERING (SHEARED) WASHER STATIONARY DRIVE BAND SEAT Figure 5. 46513-- 151 Cartridge Seal Assembly the mylar storage tabs from between the seal faces.
  • Page 35 OM -- 02846 U SERIES proper clearance as described in Impeller Instal- O-RING ENGAGED lation and Adjustment. WITH SEAL PLATE BORE If necessary to reuse an old seal in an emer- gency, carefully separate the rotating and station- ary seal faces from the bellows retainer and sta- tionary seat.

  • Page 36: Impeller Installation

    U SERIES OM -- 02846 gauge. Slide the rotating portion of the seal (consisting of the integral shaft sleeve, spring centering washer, spring, bellows and retainer, and rotating element) NOTE onto the shaft until the seal faces contact. Proceed with Rotating Assembly Installation be- Proceed with Impeller Installation and Adjust- fore installing the impeller capscrew and washer ment.

  • Page 37: Suction Check Valve Installation

    OM -- 02846 U SERIES mately .003 inch (0,08 mm) of shims to each shim center the wear plate on the back cover and secure set. it with the hardware (27 and 28). The wear plate must be concentric to prevent binding when the NOTE back cover is installed.

  • Page 38: Final Pump Assembly

    U SERIES OM -- 02846 Final Pump Assembly Bearings (Figure 2) (Figure 1) The bearing housing was fully lubricated when Install the shaft key (13, Figure 2) and reconnect shipped from the factory. Check the oil level regu- the power source. Be sure to install any guards larly through the sight gauge (17) and maintain it at used over the rotating members.
  • Page 39 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...

This manual is also suitable for:

U series

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