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- Page 1 OM-05662-01 June 9, 2004 Rev. E 04‐28‐15 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER U SERIESr PUMPS MODELS U3A60S‐B INCLUDING: /F GORMAN‐RUPP PUMPS www.grpumps.com 2004 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:...
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Page 3: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ..........PAGE I - 1 SAFETY - SECTION A . - Page 4 TABLE OF CONTENTS (continued) TROUBLESHOOTING - SECTION D ......PAGE D - 1 PREVENTIVE MAINTENANCE .
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Page 5: Introduction
SUPER U SERIES OM-05662 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
SUPER U SERIES OM-05662 SAFETY - SECTION A This information applies to the Super U 6. Vent the pump slowly and cau Seriesr basic pumps. Gorman‐Rupp tiously. has no control over or particular knowl 7. Drain the pump. edge of the power source which will be used. - Page 7 OM-05662 SUPER U SERIES charge valve, pump components will hoists, chains, slings or cables are in deteriorate, and the liquid could come good working condition and of suffi to a boil, build pressure, and cause the cient capacity and that they are posi pump casing to rupture or explode.
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Page 8: Installation - Section B
SUPER U SERIES OM-05662 INSTALLATION - SECTION B Review all SAFETY information in Section A. specific application. Since the pressure supplied to the pump is critical to performance and safety, Since pump installations are seldom identical, this be sure to limit the incoming pressure to 50% of section offers only general recommendations and the maximum permissible operating pressure as practices required to inspect, position, and ar... -
Page 9: Preinstallation Inspection
OM-05662 SUPER U SERIES PREINSTALLATION INSPECTION POSITIONING PUMP The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc Death or serious personal injury and curred during shipment. Check as follows: damage to the pump or components can occur if proper lifting procedures a. -
Page 10: Suction And Discharge Piping
SUPER U SERIES OM-05662 (254 mm) must be maintained to permit removal of these gauges are desired for pumps that are not the cover. tapped, drill and tap the suction and discharge lines not less than 18 inches (457,2 mm) from the suction and discharge ports and install the lines. -
Page 11: Suction Lines In Sumps
OM-05662 SUPER U SERIES tight seal. Follow the sealant manufacturer's rec If two suction lines are installed in a single sump, ommendations when selecting and applying the the flow paths may interact, reducing the efficiency pipe dope. The pipe dope should be compatible of one or both pumps. -
Page 12: Discharge Lines
SUPER U SERIES OM-05662 pass line should be at least 1 inch in diameter to DISCHARGE LINES minimize the chance of plugging. Siphoning In low discharge head applications (less than 30 feet or 9 meters), it is recommended that the by Do not terminate the discharge line at a level lower pass line be run back to the wet well, and located 6 than that of the liquid being pumped unless a si... -
Page 13: Automatic Air Release Valve
OM-05662 SUPER U SERIES AUTOMATIC AIR RELEASE VALVE When properly installed, a Gorman‐Rupp Auto matic Air Release Valve will permit air to escape through the bypass line and then close automati If a manual shut‐off valve is installed in cally when the pump is fully primed and pumping a bypass line, it must not be left closed at full capacity. -
Page 14: Alignment
SUPER U SERIES OM-05662 DISCHARGE PIPE CLEAN‐OUT COVER INSTALL AIR RELEASE VALVE IN HORIZONTAL POSITION DISCHARGE CHECK VALVE 90_ LONG RADIUS ELBOW SUPPORT PUMP DISCHARGE BRACKET SELF‐PRIMING CENTRIFUGAL PUMP BLEED LINE 1” (25,4 MM) DIA. MIN. (CUSTOMER FUR NISHED) DO NOT EX SUCTION TEND BELOW PUMP LINE... -
Page 15: Coupled Drives
OM-05662 SUPER U SERIES hubs are the same distance apart at all points (see Figure 5). Check parallel adjustment by laying a straightedge across both coupling rims at the top, bottom, and Adjusting the alignment in one direction side. When the straightedge rests evenly on both may alter the alignment in another direc... - Page 16 SUPER U SERIES OM-05662 quired monthly or at 500 hour intervals, whichever DRIVE BELT TENSIONING comes first. Ideal drive belt tension is the lowest tension at General Rules of Tensioning which the belt will not slip under peak load condi tions.
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Page 17: Operation - Section C
OM-05662 SUPER 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 18: Operation
OM-05662 SUPER U SERIES If rotation is incorrect on a three‐phase motor, have the liquid could come to a boil, build a qualified electrician interchange any two of the pressure, and cause the pump casing to three phase wires to change direction. If rotation is rupture or explode. -
Page 19: Strainer Check
OM-05662 SUPER U SERIES heats and activates the valve. Never replace this valve with a substitute which has not been speci fied or provided by the Gorman‐Rupp Company. If the application involves a high discharge Strainer Check head, gradually close the discharge throttling valve before stopping the pump. - Page 20 OM-05662 SUPER U SERIES against the housing. Record this temperature for AND REPAIR). Bearing overheating can also be future reference. caused by shaft misalignment and/or excessive vi bration. A sudden increase in bearing temperature is a warning that the bearings are at the point of failing When pumps are first started, the bearings may to operate properly.
- Page 21 SUPER U SERIES OM-05662 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 22 OM-05662 SUPER U SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP STOPS OR Strainer clogged. Check strainer and clean if neces FAILS TO DELIVER sary. RATED FLOW OR PRESSURE Suction intake not submerged at Check installation and correct sub proper level or sump too small. mergence as needed.
- Page 23 SUPER U SERIES OM-05662 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 24 OM-05662 SUPER 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 25 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 U3A60S-B Including /F Based on 70 F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 26 OM-05662 SUPER U SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model U3A60S-B, Including /F PAGE E - 2 MAINTENANCE & REPAIR...
- Page 27 OM-05662 SUPER U SERIES PARTS LIST Pump Model U3A60S-B, Including /F (From S/N 1289513 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.
- Page 28 OM-05662 SUPER U SERIES ILLUSTRATION Figure 2. Repair Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
- Page 29 OM-05662 SUPER U SERIES PARTS LIST Repair Rotating Assembly ITEM PART PART NAME NUMBER BEARING HOUSING 38251-520 10000 OIL SEAL S1352 OIL SEAL S1352 CART SEAL ASSY 46513-151 IMPELLER SHAFT 38514-571 16040 SEAL PLATE 38272-235 10010 IMPELLER 38619-015 11000 IMPELLER WASHER 10278 15030 SOCKET HEAD CAP SCREW DM1004S 15991...
- Page 30 OM-05662 SUPER U SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Before attempting to open or service the pump: Review all SAFETY information in Section A. 1. Familiarize yourself with this man ual. Follow the instructions on all tags, label and decals 2.
- Page 31 SUPER U SERIES OM-05662 Remove the back cover nuts (14) and pry the back With the impeller rotation still blocked, see Figure 3 cover and assembled wear plate from the pump and use a long piece of heavy bar stock to pry casing (1).
- Page 32 OM-05662 SUPER U SERIES iron) and a standard tee (see Figure 4). All threads Use a pair of stiff wires with hooked ends to remove are 1/2‐inch NPT. Do not pre‐assemble the tool. the stationary element and seat. An alternate method of removing the stationary seal components is to remove the hardware (9 and 10) and separate the seal plate (5) and gasket (11) from the bearing housing (1).
- Page 33 SUPER U SERIES OM-05662 If bearing replacement is required, remove the out board bearing snap ring (15) and use a bearing puller to remove the bearings from the shaft. To prevent damage during removal from Shaft and Bearing Reassembly and Installation the shaft, it is recommended that bearings (Figure 2) be cleaned and inspected in place.
- Page 34 OM-05662 SUPER U SERIES shaft. Position the outboard bearing (14) on the shaft with the integral retaining ring on the bearing O.D. toward the drive end of the shaft. When installing the shaft and bearings into the bearing bore, push against the outer The bearings may be heated to ease installation.
- Page 35 SUPER U SERIES OM-05662 RETAINER SEAL PLATE SPRING O‐RINGS IMPELLER SLEEVE O‐RING IMPELLER SHIMS IMPELLER SHAFT INTEGRAL SHAFT ROTATING STATIONARY SLEEVE BELLOWS ELEMENT ELEMENT SHEAR SPRING RING (SHEARED) CENTERING WASHER STATIONARY DRIVE BAND SEAT Figure 5. Cartridge Seal Assembly clean as required before proceeding with seal installation.
- Page 36 OM-05662 SUPER U SERIES proper clearance as described in Impeller Instal O‐RING ENGAGED WITH SEAL PLATE lation and Adjustment. 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 37 SUPER U SERIES OM-05662 Slide the rotating portion of the seal (consisting of Proceed with Rotating Assembly Installation be the integral shaft sleeve, spring centering washer, fore installing the impeller capscrew and washer (7 spring, bellows and retainer, and rotating element) and 8).
- Page 38 OM-05662 SUPER U SERIES amount of No. 2 grease. Clean any scale or debris holes in the suction back cover plate. Secure the from the contacting surfaces in the pump casing locking collars to the suction back cover plate with that might interfere or prevent a good seal with the the hardware (3 and 13).
- Page 39 SUPER U SERIES OM-05662 threads. Position the valve as shown in Figure 1 LUBRICATION with the discharge port pointing down. Seal Assembly Final Pump Assembly (Figure 2) (Figure 1) Before starting the pump, remove the vented plug (25) and fill the seal cavity with approximately 40 If the discharge flange (25) or blind flange assem...
- Page 40 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 GORMAN‐RUPP PUMPS...
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