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GORMAN-RUPP PUMPS U6B65-B Installation, Operation And Maintenance Manual

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CDO
OM-02910-OB01
July 11, 1986
Rev. F 04/23/02
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
U SERIES PUMP
MODEL
U6B65-B
INCLUDING: /F
THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO
GORMAN-RUPP OF CANADA LIMITED
ST. THOMAS, ONTARIO, CANADA
D
Printed in U.S.A.
E
Copyright by the Gorman-Rupp Company

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Summary of Contents for GORMAN-RUPP PUMPS U6B65-B

  • Page 1 Rev. F 04/23/02 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST U SERIES PUMP MODEL U6B65-B INCLUDING: /F THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO GORMAN-RUPP OF CANADA LIMITED ST. THOMAS, ONTARIO, CANADA Printed in U.S.A. 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 -- 02910 INTRODUCTION This Installation, Operation, and Maintenance for handling highly corrosive and abrasive industri- manual is designed to help you achieve the best al waste materials and residues containing speci- performance and longest life from your Gorman- fied entrained solids.
  • Page 5 U SERIES OM -- 02910 SAFETY --- SECTION A This information applies to U Series ba- pump or endanger personnel as a result sic pumps. Gorman-Rupp has no con- of pump failure. trol over or particular knowledge of the power source which will be used. Refer to the manual accompanying the power source before attempting to begin operation.
  • Page 6 OM -- 02910 U SERIES This pump is designed to pump materi- Use lifting and moving equipment in als which could cause serious illness or good repair and with adequate capacity injury through direct exposure or to prevent injuries to personnel or dam- emitted fumes.
  • 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 U6B65-B INSTALLATION PAGE B -- 1...

  • Page 8: Pre-Installation Inspection

    OM -- 02910 U SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be- fore shipment from the factory. Before installation, Use lifting equipment with a capacity of at least inspect the pump for damage which may have oc- 5,075 pounds (2302,0 kg).

  • Page 9: Suction Lines

    U SERIES OM -- 02910 tion losses. See the performance curve and oper- Installation closer to the pump may result in erratic ating range shown on Page E-1 to be sure your readings. overall application allows pump to operate within the safe operation range.
  • Page 10 OM -- 02910 U SERIES ommendations when selecting and applying the If two suction lines are installed in a single sump, pipe dope. The pipe dope should be compatible the flow paths may interact, reducing the efficiency with the liquid being pumped. of one or both pumps.

  • Page 11: Discharge Lines

    U SERIES OM -- 02910 DISCHARGE LINES NOTE The bypass line should be sized so that it does not affect pump discharge capacity; however, the by- pass line should be at least 1 inch in diameter to Siphoning minimize the chance of plugging. Do not terminate the discharge line at a level lower In low discharge head applications (less than 30 than that of the liquid being pumped unless a si-...

  • Page 12: Automatic Air Release Valve

    OM -- 02910 U SERIES If a manual shut-off valve is installed in a bypass line, it must not be left closed during operation. A closed manual shut- off valve may cause a pump which has lost prime to continue to operate with- Figure 3.
  • Page 13 U SERIES OM -- 02910 reach its designed capacity or head. Valve closing Air Release Valve Installation pressure is dependent upon the discharge head of the pump at full capacity. The range of the valve The Automatic Air Release Valve must be inde- closing pressure is established by the tension rate pendently mounted in a horizontal position and of the spring as ordered from the factory.
  • Page 14 OM -- 02910 U SERIES cific application. Most couplings require a specific gap or clearance between the driving and the driven shafts. Refer to the coupling manufacturer’s service literature. ALIGNMENT Align spider insert type couplings by using calipers to measure the dimensions on the circumference The alignment of the pump and its power source is of the outer ends of the coupling hub every 90 de- critical for trouble-free mechanical operation.
  • Page 15 U SERIES OM -- 02910 V-Belt Drives When using V-belt drives, the power source and the pump must be parallel. Use a straightedge along the sides of the pulleys to ensure that the pul- Do not operate the pump without the leys are properly aligned (see Figure 6C).
  • Page 16 OM -- 02910 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: Operation

    OM -- 02910 U SERIES be damaged and performance adversely affected sure which could damage pipe ends, gaskets, by incorrect rotation. If pump performance is not sprinkler heads, and any other fixtures connected within the specified limits (see the curve on page to the line.
  • Page 18 OM -- 02910 U SERIES move plates, covers, gauges, or fittings Block the suction line and start the pump. At oper- ating speed the pump should pull a vacuum of 20 from an over-heated pump. Liquid with- inches (508,0 mm) or more of mercury. If it does in the pump can reach boiling tempera- not, check for air leaks in the seal, gasket, or dis- tures, and vapor pressure within the...

  • Page 19: Bearing Temperature Check

    OM -- 02910 U SERIES large solids from clogging the drain port and pre- curately by placing a contact-type thermometer venting the pump from completely draining, insert against the housing. Record this temperature for a rod or stiff wire in the drain port, and agitate the future reference.

  • Page 20: Troubleshooting

    U SERIES OM -- 02910 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 -- 02910 U SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP FAILS TO Plug in threaded passage through in- Tighten or install plug. PRIME (cont.) terior wall of casing loose or missing. Air leak in suction line. Correct leak. PUMP STOPS OR FAILS TO DELIVER Lining of suction hose collapsed.

  • Page 22: Preventive Maintenance

    U SERIES OM -- 02910 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 -- 02910 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 U6B65-B AND U6B65-- B /F 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: Section Drawing

    OM -- 02910 U SERIES SECTION DRAWING Figure 1. Pump Model U6B65---B And U6B65---B /F PAGE E -- 2 MAINTENANCE & REPAIR...

  • Page 26: Parts Lists

    OM -- 02910 U SERIES PARTS LIST Pump Model U6B65---B And U6B65---B /F (From S/N 870000 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 -- 02910 U SERIES SECTION DRAWING Figure 2. 44163---112 Repair Rotating Assembly PAGE E -- 4 MAINTENANCE & REPAIR...
  • Page 28 OM -- 02910 U SERIES PARTS LIST 44163---112 Repair Rotating Assembly ITEM PART MAT’L PART NAME NUMBER CODE IMPELLER 38618---016 1718H SEAL ASSY 46512---192 --- --- --- SEAL PLATE 38272---408 1718H OIL SEAL S1917 --- --- --- SEAL PLATE GASKET 12350G 19410 HEX HD CAPSCREW...

  • Page 29: Pump And Seal Disassembly And Reassembly

    OM -- 02910 U SERIES PUMP AND SEAL DISASSEMBLY 3. Allow the pump to completely cool if overheated. AND REASSEMBLY 4. Check the temperature before opening any covers, plates, or Review all SAFETY information in Section A. plugs. 5. Close the suction and discharge Follow the instructions on all tags, label and de- valves.

  • Page 30: Rotating Assembly Removal

    U SERIES OM -- 02910 Individual parts are not sold separately. (Figure 1) Remove the inner hardware (21 and 22) from the casing ring (26). Install three of the inner caps- Rotating Assembly Removal crews in the jacking holes in the casing ring, and use them to press the rotating assembly into the (Figure 2) pump casing until the bearing housing is free.

  • Page 31: Impeller Removal

    OM -- 02910 U SERIES Impeller Removal Remove the bearing housing drain plug (21) and drain the lubricant. Clean and reinstall the drain (Figure 2) plug. Remove the rotating assembly O-ring (31). Unscrew the impeller from the shaft in a counter- Disengage the hardware (14 and 15) and remove clockwise direction (when facing the impeller).

  • Page 32: Shaft And Bearing Reassembly And Installation

    U SERIES OM -- 02910 bearings. This may scratch the balls or small nicks and burrs with a fine file or emery cloth. Replace the shaft if defective. races and cause premature bearing fail- ure. Position the inboard oil seal (4) in the bearing hous- Rotate the bearings by hand to check for rough- ing bore with the lip positioned as shown in Figure ness or binding and inspect the bearing balls.
  • Page 33 OM -- 02910 U SERIES Lubricate the bearing housing as indicated in LU- BRICATION. Use caution when handling hot bear- Seal Reassembly and Installation ings to prevent burns. (Figures 2 and 5) After the bearings have been installed and allowed Clean the seal cavity and shaft with a cloth soaked to cool, check to ensure that they have not moved in fresh cleaning solvent.

  • Page 34: Impeller Installation

    U SERIES OM -- 02910 RETAINER SEAL ROTATING SPRING PLATE ELEMENT O-RINGS IMPELLER IMPELLER SHAFT IMPELLER SHIMS STATIONARY SEAT BELLOWS STATIONARY DRIVE BAND ELEMENT Figure 5. 46512---192 Seal Assembly Lubricate the shaft (18) with a small amount of light oil and slide the rotating subassembly (consisting of rotating element, bellows and retainer), onto the shaft until the seal faces contact.

  • Page 35: Rotating Assembly Installation

    OM -- 02910 U SERIES A clearance of 0.015 to .030 inch (0,38 to 0,76 mm) amount of shims from each rotating assembly between the impeller and the seal plate is recom- shim set until the impeller binds against the wear mended for maximum pump efficiency.

  • Page 36: Pressure Relief Valve Maintenance

    U SERIES OM -- 02910 amount of No. 2 grease. Clean any scale or debris ounces (2,7 liters) of SAE No. 30 non-detergent oil from the contacting surfaces in the pump casing (so it is above the level of the internal casting). that might interfere or prevent a good seal with the Clean and reinstall the vented plug.
  • Page 37 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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