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- Page 1 OM-05665-01 June 17, 2004 Rev. G 05‐19‐2022 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST SUPER U SERIES PUMP MODEL U4A60S-B INCLUDING: /F, /FM 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-05665 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-05665 SAFETY - SECTION A This information applies to the Super U Series basic pumps. Gorman‐Rupp has no control over or particular knowledge of the power source which will be used. Before attempting to open or service the Refer to the manual accompanying the pump: power source before attempting to be... - Page 7 OM-05665 SUPER U SERIES can occur if proper lifting procedures are not observed. Make certain that hoists, chains, slings or cables are in good working condition and of suffi Do not operate the pump without the cient capacity and that they are posi guards in place over the rotating parts.
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Page 8: Installation - Section B
SUPER U SERIES OM-05665 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-05665 SUPER U SERIES PREINSTALLATION INSPECTION POSITIONING PUMP Lifting The pump assembly was inspected and tested be fore shipment from the factory. Before installation, inspect the pump for damage which may have oc curred during shipment. Check as follows: a. Inspect the pump for cracks, dents, damaged Death or serious personal injury and threads, and other obvious damage. -
Page 10: Suction And Discharge Piping
SUPER U SERIES OM-05665 (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-05665 SUPER U SERIES pipe dope. The pipe dope should be compatible If two suction lines are installed in a single sump, with the liquid being pumped. the flow paths may interact, reducing the efficiency of one or both pumps. To avoid this, position the suction inlets so that they are separated by a dis... -
Page 12: Discharge Lines
SUPER U SERIES OM-05665 minimize the chance of plugging. DISCHARGE LINES 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-05665 SUPER U SERIES AUTOMATIC AIR RELEASE VALVE When properly installed, a Gorman‐Rupp Auto matic Air Release Valve will permit air to escape If a manual shut‐off valve is installed in through the bypass line and then close automati a bypass line, it must not be left closed cally when the pump is fully primed and pumping during operation. -
Page 14: Alignment
SUPER U SERIES OM-05665 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-05665 SUPER U SERIES Adjusting the alignment in one direction may alter the alignment in another direc tion. check each procedure after altering alignment. Coupled Drives Figure 5. Aligning Non‐Spider Type Couplings Check parallel adjustment by laying a straightedge across both coupling rims at the top, bottom, and When using couplings, the axis of the power side. - Page 16 SUPER U SERIES OM-05665 Select pulleys that will match the proper speed ra tio; overspeeding the pump may damage both pump and power source. Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch cloth ing, fingers, or tools, causing severe in...
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Page 17: Operation - Section C
OM-05665 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-05665 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-05665 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-05665 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-05665 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-05665 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-05665 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-05665 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 OM-05665 SUPER U 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 U4A60S‐B Including /F, /FM Based on 70_F (21_ C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 26 OM-05665 SUPER U SERIES PARTS PAGE ILLUSTRATION Figure 1. Pump Model U4A60S-B, Including /F, /FM PAGE E - 2 MAINTENANCE & REPAIR...
- Page 27 OM-05665 SUPER U SERIES PARTS LIST Pump Model U4A60S-B Including /F, /FM (From S/N 1289519 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-05665 SUPER U SERIES ILLUSTRATION SEAL AREA DETAIL Figure 2. Rotating Assembly PAGE E - 4 MAINTENANCE & REPAIR...
- Page 29 OM-05665 SUPER U SERIES PARTS LIST Rotating Assembly ITEM PART PART NAME NUMBER BEARING HOUSING 38251-520 10000 IMPELLER SHAFT 38514-817 16040 SEAL ASSY 46513-151 OIL SEAL S1352 BALL BEARING S1088 BALL BEARING S375 GASKET 10959G 20000 SEAL PLATE 38272-233 10010 LOCK WASHER J08 15991 HEX HEAD CAP SCREW...
- Page 30 OM-05665 SUPER U SERIES PUMP AND SEAL DISASSEMBLY pump integrity are compromised by such practices. AND REASSEMBLY Review all SAFETY information in Section A. Follow the instructions on all tags, label and decals Before attempting to open or service the attached to the pump.
- Page 31 SUPER U SERIES OM-05665 drain the pump. Clean and reinstall the drain plug. Install the shaft key (19). Install a lathe dog on the Disconnect the extension pipe assembly (32) at drive end of the shaft (2) with the “V” notch posi the coupling (33).
- Page 32 OM-05665 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 (8) and gasket (7) from the bearing housing (1).
- Page 33 SUPER U SERIES OM-05665 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-05665 SUPER U SERIES the integral retaining ring on the bearing O.D. to ward the drive end of the shaft. When installing the shaft and bearings into The bearings may be heated to ease installation. the bearing bore, push against the outer An induction heater, hot oil bath, electric oven, or race.
- Page 35 SUPER U SERIES OM-05665 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 When installing a new cartridge seal assembly, remove the seal from the container, and remove the mylar storage tabs from between the seal faces.
- Page 36 OM-05665 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-05665 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 spring, bellows and retainer, and rotating element) (12 and 13).
- Page 38 OM-05665 SUPER U SERIES and the impeller is .003 to .010 inch (0,07 to 0,25 Pull the collars off the adjusting screws, index them mm). two detents counterclockwise, and reinstall the collars on the adjusting screws. Use the collars to turn the adjusting screws clockwise until the holes Replace the suction back cover and wear plate O‐...
- Page 39 SUPER U SERIES OM-05665 Periodically, the valve should be removed for in LUBRICATION spection and cleaning. When reinstalling the relief valve, apply `Loctite Pipe Sealant With Teflon No. Seal Assembly 592', or equivalent compound, on the relief valve threads. Position the valve as shown in Figure 1 (Figure 2) with the discharge port pointing down.
- Page 40 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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