GORMAN-RUPP PUMPS 60 Series Installation, Operation, And Maintenance Manual With Parts List
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- Page 1 OM-01919-03 July 22, 2019 INSTALLATION, OPERATION, AND MAINTENANCE MANUAL WITH PARTS LIST 60 SERIES PUMP MODEL 612L20B-B GORMAN‐RUPP PUMPS www.grpumps.com 2019 Gorman‐Rupp Pumps Printed in U.S.A.
- Page 2 Register your new Gorman‐Rupp pump online at www.grpumps.com/register. 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 ‐... - Page 4 TABLE OF CONTENTS (continued) PUMP MAINTENANCE AND REPAIR ‐ SECTION E ....PAGE E - 1 STANDARD PERFORMANCE CURVE ........PAGE E - 1 PARTS LIST: Pump Model...
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Page 5: Introduction
This pump is a 60 Series, enclosed impeller, centrif ugal model with straight‐in suction, without a suc tion check valve. The pump is designed for handl... -
Page 6: Safety - Section A
60 SERIES OM-01919 SAFETY ‐ SECTION A This information applies to 60 Series ba liquids which may damage the pump or sic pumps. Gorman‐Rupp has no con endanger personnel as a result of pump trol over or particular knowledge of the failure. - Page 7 OM-01919 60 SERIES heated pump. Vapor pressure within the other rotating parts. Exposed rotating pump can cause parts being disen parts can catch clothing, fingers, or gaged to be ejected with great force. Al tools, causing severe injury to person...
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Page 8: Installation - Section B
60 SERIES OM-01919 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 the... -
Page 9: Positioning Pump
OM-01919 60 SERIES ing, check for loose hardware at mating sur tioned so that loads will be balanced faces. and the pump or components will not be damaged when lifting. Suction and dis c. Carefully read all tags, decals, and markings charge hoses and piping must be re... -
Page 10: Connections To Pump
60 SERIES OM-01919 Connections to Pump Strainers If a strainer is furnished with the pump, be certain Before tightening a connecting flange, align it ex to use it; any spherical solids which pass through a actly with the pump port. Never pull a pipe line into strainer furnished with the pump will also pass place by tightening the flange bolts and/or cou... -
Page 11: Suction Line Positioning
OM-01919 60 SERIES tance equal to at least 3 times the diameter of the NOTE suction pipe. The pipe submergence required may be reduced by installing a standard pipe increaser fitting at the end of the suction line. The larger opening size will Suction Line Positioning reduce the inlet velocity. -
Page 12: Alignment
60 SERIES OM-01919 Align spider insert type couplings by using calipers ALIGNMENT to measure the dimensions on the circumference of the outer ends of the coupling hub every 90_. The alignment of the pump and its power source is The coupling is in alignment when the hub ends critical for trouble‐free mechanical operation. -
Page 13: V-Belt Jack Shaft Drives
OM-01919 60 SERIES are properly aligned (see Figure B-5). In drive sys they will slip; if the belts are too tight, there will be tems using two or more belts, make certain that the excessive power loss and possible bearing failure. -
Page 14: Operation - Section C
OM-01919 60 SERIES OPERATION - SECTION C Review all SAFETY information in Section A. 2. The pump has not been used for a consider able length of time. Follow the instructions on all tags, labels and 3. The liquid in the pump casing has evapo... -
Page 15: Starting
OM-01919 60 SERIES Liquid Temperature And Overheating STARTING Consult the operations manual furnished with the The maximum liquid temperature for this pump is power source. 160_ F (71_C). Do not apply it at a higher operating temperature. Starting procedures will vary slightly depending on... -
Page 16: Pump Vacuum Check
OM-01919 60 SERIES Pump Vacuum Check Cold Weather Preservation In below freezing conditions, drain the pump to Since this pump does not have a suction check prevent damage from freezing. Also, clean out any valve, the discharge line must be fitted with a check solids by flushing with a hose. -
Page 17: Troubleshooting - Section D
60 SERIES OM-01919 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 18 OM-01919 60 SERIES TROUBLE POSSIBLE CAUSE PROBABLE REMEDY Impeller or other wearing parts worn Replace worn or damaged parts. PUMP STOPS OR FAILS TO DELIVER or damaged. Check that impeller is properly RATED FLOW OR centered and rotates freely. PRESSURE (cont.) Strainer clogged.
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Page 19: Preventive Maintenance
60 SERIES OM-01919 equipped) between regularly scheduled inspec PREVENTIVE MAINTENANCE tions can indicate problems that can be corrected Since pump applications are seldom identical, and before system damage or catastrophic failure oc pump wear is directly affected by such things as curs. - Page 20 60 SERIES OM-01919 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 612L20B-B Based on 70 F (21 C) clear water at sea level Contact the Gorman‐Rupp Company to verify per...
- Page 21 OM-01919 60 SERIES PARTS PAGE ILLUSTRATION Ç Ç Ç Ç Ç Ì Ç Ç Ç Ç Ç Î Î Ï Ç Ç Î Î Î Ì Î Î Ï Ï Ç Ç Ç Î Ì Ç Ç Ç Ç Ç...
- Page 22 60 SERIES OM-01919 PARTS LIST Pump Model 612L20B-B (From S/N 1707096 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...
- Page 23 OM-01919 60 SERIES PUMP AND SEAL DISASSEMBLY AND REASSEMBLY Review all SAFETY information in Section A. Before attempting to open or service the Follow the instructions on all tags, label and de pump: cals attached to the pump. 1. Familiarize yourself with this man...
- Page 24 60 SERIES OM-01919 Remove the hardware (17) securing the pump cas ing to the pedestal. Pull the casing straight away from the pedestal to prevent binding on the impel ler. Remove the pump casing gasket (3) and clean Use Only Genuine Gorman-Rupp re...
- Page 25 OM-01919 60 SERIES Remove the machine screws (19) and slide the seal plate, seals and split packing gland off the shaft as a unit. The rotating portion of the mechani cal seal (21) will become a free part. Be careful not The impeller is very heavy and could be to drop or damage the seal components when re...
- Page 26 60 SERIES OM-01919 Remove the hardware (14 and 15) and slide the in bearings. This may scratch the balls or board bearing cap and oil seal (9 and 10) off the races and cause premature bearing fail shaft as a unit. Remove the bearing cap gasket (8).
- Page 27 OM-01919 60 SERIES onto the shaft, one at a time, until they are fully seated. This should be done quickly, in one con tinuous motion, to prevent the bearings from cool ing and sticking on the shaft. Use caution when handling hot bear...
- Page 28 60 SERIES OM-01919 sure to reinstall any leveling shims used under the pedestal mounting feet. Lubricate the bearings and pedestal as indicated in LUBRICATION at the end of this section. Seal Reassembly and Installation Clean the bore of the seal plate, split packing gland...
- Page 29 OM-01919 60 SERIES packing ring ends to allow for expansion. it on until the seal plate seats against the pedestal. Consult the packing manufacturer's instal Align the holes in the seal plate and pedestal, and lation instructions and follow his recom...
- Page 30 60 SERIES OM-01919 SEAL PLATE RETAINER O‐RINGS SPRING SEAL IMPELLER SHAFT STATIONARY SEAT IMPELLER BELLOWS STATIONARY ROTATING ELEMENT ELEMENT Figure E-4. 12590B Seal Assembly Impeller Installation Inspect the impeller for excessive wear, damage or cracks and replace as required. This seal is not designed for operation at temperatures above 160_F (71_C).
- Page 31 OM-01919 60 SERIES Suction Plate and Wear Ring Installation and Refer to OPERATION, Section C, before putting Adjustment the pump back into service. Replace the wear ring O‐ring (29) and lubricate it LUBRICATION with light oil or grease. Slide the wear ring (26) into...
- Page 32 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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