GORMAN-RUPP PUMPS S Series Manual

All materials and voltages

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Installation, operation, and maintenance manual with parts list (47 pages)

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PUBLICATION NUMBER MR-- 04301

July 10, 1995

S SERIES PUMPS

S2A's

All Materials And Voltages

THE GORMAN-RUPP COMPANY D MANSFIELD, OHIO

GORMAN-RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Printed in U.S.A.

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Summary of Contents for GORMAN-RUPP PUMPS S Series

Page 1 PUBLICATION NUMBER MR-- 04301 July 10, 1995 S SERIES PUMPS S2A’s All Materials And Voltages 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 MR-- 04301 S SERIES PUMPS INTRODUCTION Thank You for purchasing a Gorman-Rupp S quire special attention, to those which could dam- Series Pump. Read this manual carefully to learn age equipment, and to those which could be dan- gerous to personnel. However, this manual cannot how to safely maintain and service your pump.
Page 3 S SERIES PUMPS MR-- 04301 RECORDING MODEL AND who operate and maintain their equipment as de- scribed in this and the other accompanying litera- SERIAL NUMBERS ture. The integral electric motor must be operated Please record the pump model, serial number, volt-...
Page 4 4. Close the discharge valve (if throughout this manual to Gorman- used). Rupp S Series submersible motor driv- en pumps. This manual will alert personnel to known procedures which require spe- This pump is not designed to pump vol- cial attention, to those which could atile, explosive, or flammable materials.
Page 5 MR-- 04301 S SERIES PUMPS coming power matches the voltage and tion of electrical parts not supplied or phase of the pump and control before approved by the manufacturer, can re- connecting the power source. Do not sult in severe injury or death and void run the pump if the voltage is not within warranty.
Page 6 MR-- 04301 S SERIES PUMPS TROUBLESHOOTING --- SECTION B 5. Close the discharge valve (if Review all SAFETY information in Section A. used). The following precautions should be taken before attempting to service the pump; otherwise, injury or death could The electrical power used to operate result.
Page 7 S SERIES PUMPS MR-- 04301 Table 1. Trouble Shooting Chart (cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY (AUTOMATIC MODE) Float type sensing device(s) tangled Check installation for free move- (CONT’D.) or obstructed. ment of float. Defective liquid level sensing de- Repair or replace defective unit(s).
Page 8 MR-- 04301 S SERIES PUMPS Table 1. Trouble Shooting Chart (cont.) TROUBLE POSSIBLE CAUSE PROBABLE REMEDY PUMP RUNS WITH Pumping entrained air. Check liquid level in sump; check EXCESSIVE NOISE OR position of pump and liquid level VIBRATION sensing device(s).
Page 9 S SERIES PUMPS MR-- 04301 be the same at each condition, as accurate- place the tubing or potting and allow adequate dry- ly as the meter will read. Nominal amperage ing time before putting the pump back into service. (See Power Cable Reassembly, Section E).
Page 10 MR-- 04301 S SERIES PUMPS tup. The start capacitor is controlled by the start c. Test the run capacitor as in b. In addition, relay at motor startup. When the motor reaches test the metal run capacitor for shorts to...
Page 11 MR-- 04301 S SERIES PUMPS PUMP MAINTENANCE AND REPAIR --- SECTION C GENERAL INFORMATION formed by a Gorman-Rupp authorized Submersible repair facility or the factory. Any repairs to the motor assembly per- Review all SAFETY information in Section A. formed by the customer or an unautho- rized repair facility negates the warranty.
Page 12 S SERIES PUMPS MR-- 04301 SECTION DRAWING Seal Area Detail 50, 49, 48 47, 46 Figure C---1. Typical S2A Series Pump Assembly PAGE C -- 2 MAINTENANCE AND REPAIR...
Page 13 MR-- 04301 S SERIES PUMPS Typical S2A Series Pump Assembly Parts Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM ITEM PART NAME PART NAME DIFFUSER HOISTING BAIL IMPELLER TERMINAL HOUSING AND CABLE...
Page 14 S SERIES PUMPS MR-- 04301 SECTION DRAWING Figure C---2. Terminal Housing And Cable Assembly PAGE C -- 4 MAINTENANCE AND REPAIR...
Page 15 MR-- 04301 S SERIES PUMPS Terminal Housing And Cable Assembly Parts Identification List Refer to the separate Parts List Manual for serviceable parts, part numbers and quantities. ITEM PART NAME TERMINAL ALLEN HEAD SETSCREW LOWER TERMINAL PLATE GASKET TERMINAL PLATE...
Page 16 S SERIES PUMPS MR-- 04301 PUMP END DISASSEMBLY lift it, make certain that they are posi- tioned so as not to damage the pump, References are to Figure C---1 and Figure C---2. and so that the load will be balanced.
Page 17 MR-- 04301 S SERIES PUMPS Draining Oil From Seal Cavity If inverting the pump is not practical, lay the pump on its side and secure it to prevent rolling. (Figure C-- 1) Impeller Removal If any further disassembly is to be performed on the (Figure C-- 1) pump, the seal oil cavity must be drained.
Page 18 S SERIES PUMPS MR-- 04301 NOTE Do not disassemble the motor unless it is neces- sary and a clean, well-equipped shop is available. If the motor housing components are to be serviced, Most cleaning solvents are toxic and see MOTOR DISASSEMBLY in this section. Do not flammable.
Page 19 MR-- 04301 S SERIES PUMPS ROTOR STATIONARY SHAFT SEAT O-RING ROTATING ELEMENT BELLOWS SPRING INTERMEDIATE BELLOWS ROTATING ELEMENT STATIONARY RETAINING ELEMENT RING SEAL RING O-RING BASE DIFFUSER IMPELLER SHIMS Figure C---3. 10214 Seal Assembly Carefully remove the material stuffed into the seat bore (or unwrap the shaft).
Page 20 S SERIES PUMPS MR-- 04301 Lightly oil the O.D. of the seal installation tool fur- The lower seal base ring and stationary element is nished with the pump, and install it over the secured to the diffuser with a retaining ring. Place a...
Page 21 MR-- 04301 S SERIES PUMPS NOTE MOTOR DISASSEMBLY After the impeller has been properly positioned, Disassembly of the motor is rarely required except check for free rotation. Correct any scraping or to replace the motor rotor, stator or bearings. Do binding before further reassembly.
Page 22 S SERIES PUMPS MR-- 04301 Secure the pump in an upright position. Remove Terminal Housing And Power Cable Reassemb- ly). the hardware (21 and 22) securing the terminal housing assembly to the motor housing (17). (Figure C-- 2) To disconnect the power cable, remove the round...
Page 23 MR-- 04301 S SERIES PUMPS the motor housing bore. Pull the rotor and as- Stator Removal sembled bearings from the motor housing. (Figure C-- 1) Reach into the motor housing and remove the Do not remove the stator (30) unless it is defective bearing spring washer (19) from the bearing bore.
Page 24 S SERIES PUMPS MR-- 04301 mersible Repair Centers or The Gorman- Stator Installation Rupp factory, if defective. (Figure C-- 1) NOTE Relief Valve Stator installation involves heating the motor hous- (Figure C-- 1) ing. This process must be done quickly. Therefore it...
Page 25 MR-- 04301 S SERIES PUMPS stator (opposite the lead wire end), and expand it rotor area for separated laminations. If the shaft is tightly and squarely on the I.D. Attach a lifting de- bent or damaged, or if the laminations are sepa-...
Page 26 S SERIES PUMPS MR-- 04301 Terminal Housing And Power Cable Reassembly And Installation (Figure C-- 2) When installing the bearings onto the shaft, never press or hit against the outer race, balls, or ball cage. Press only on the inner race.
Page 27 MR-- 04301 S SERIES PUMPS Sealing Terminal Housing Connections Assemble the terminal posts (1), dyna seal wash- With Silicone Adhesive ers (20), and lower terminal nuts (19) to the termi- nal plate as shown in Figure C---2. (Figure C-- 2)
Page 28 S SERIES PUMPS MR-- 04301 the terminal housing could cause a short circuit, resulting in pump damage and possible serious injury or death to personnel. All air pockets, voids or gaps in the sili- cone sealant must be removed to en-...
Page 29 MR-- 04301 S SERIES PUMPS avoid ingestion or prolonged contact Attach the appropriate motor lead (T1, T2, T3) to with the skin. Read and follow all warn- each terminal post (1) using the allen head set- screws (2) ings and recommendations accompa- nying the potting kit.
Page 30 S SERIES PUMPS MR-- 04301 VACUUM/PRESSURE TESTING pump is not available, a compressor/venturi sys- tem may be used. If the compressor/venturi cannot draw the vacuum level shown in Table C---1, draw To ensure the water-tight integrity of the pump, it is...
Page 31 MR-- 04301 S SERIES PUMPS when the pump is hot, pressure in the plug (38) and add the recommended grade of sub- mersible pump oil. Refer to the Installation and seal cavity can cause hot oil to be Operations Manual for positioning of the pump ejected as the plug is removed.
Page 32 S SERIES PUMPS MR-- 04301 Never attempt to fill the motor cavity through the drain plug (37) opening. A vol- ume of air must be trapped above the mo- tor to permit thermal expansion of the mo- tor oil. PAGE C -- 22...
Page 33 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...

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S2a