OM-06667-01
December 2, 2013
Rev. A 04‐15‐15
GORMAN‐RUPP PUMPS
www.grpumps.com
2013 Gorman‐Rupp Pumps
Printed in U.S.A.
INSTALLATION, OPERATION,
AND MAINTENANCE MANUAL
WITH PARTS LIST
SUPER T SERIES
PUMPS
MODELS
T3A75S‐B
INCLUDING: /F, /FM, /WW
Страница 1: ...ber 2 2013 Rev A 04 15 15 GORMAN RUPP PUMPS www grpumps com 2013 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST SUPER T SERIES PUMPS MODELS T3A75S B I...
Страница 2: ...rial 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 in...
Страница 3: ...tion Line Positioning PAGE B 4 DISCHARGE LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 Bypass Lines PAGE B 5 AUTOMATIC AIR RELEASE VALVE PAGE B 6 Air Release Valve Installation PAGE B 6 ALIGNMENT...
Страница 4: ...al PAGE E 7 Rotating Assembly Removal PAGE E 7 Impeller Removal PAGE E 8 Seal Removal PAGE E 8 Shaft and Bearing Removal and Disassembly PAGE E 8 Shaft and Bearing Reassembly and Installation PAGE E 9...
Страница 5: ...y P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Road St Thomas Ontario N5P 3R7 Phone 519 631 2870 For information or technical assistance on the...
Страница 6: ...arge valves 6 Vent the pump slowly and cau tiously 7 Drain the pump This pump is designed to handle liquids containing large entrained solids or slurries Do not attempt to pump vola tile corrosive or...
Страница 7: ...nent only as high as necessary and keep personnel away from suspended objects Do not attempt to disengage any part of an overheated pump unit Vapor pres sure within the pump casing can eject these par...
Страница 8: ...liquid is supplied to the pump under pressure some of the information such as mounting line configuration and priming must be tailored to the specific application Since the pressure supplied to the pu...
Страница 9: ...contact your Gorman Rupp distributor or the factory to deter mine the repair or updating policy Do not put the pump into service until appropriate action has been taken POSITIONING PUMP Lifting Death...
Страница 10: ...s are desired for pumps that are not 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 Installation close...
Страница 11: ...a distance 1 1 2 times the diameter of the suction pipe The baffle will allow entrained air to escape from the liquid before it is drawn into the suction inlet If two suction lines are installed in a...
Страница 12: ...is recommended that the by pass line be run back to the wet well and located 6 inches below the water level or cut off point of the low level pump In some installations this bypass line may be termina...
Страница 13: ...ng the plug to prevent injury to per sonnel from hot liquid AUTOMATIC AIR RELEASE VALVE When properly installed a Gorman Rupp Auto matic Air Release Valve will permit air to escape through the bypass...
Страница 14: ...ys tem do not direct bleeder lines to a common mani fold pipe Contact your Gorman Rupp distributor or the Gorman Rupp Company for information about installation of an Automatic Air Release Valve for y...
Страница 15: ...the same distance apart at all points see Figure 5 Figure 5 Aligning Non Spider Type Couplings Check parallel adjustment by laying a straightedge across both coupling rims at the top bottom and side W...
Страница 16: ...drive belts check the tension after 5 20 and 50 hours of operation and re tension as re quired see the following procedure for measuring belt tension Thereafter check and re tension if re quired month...
Страница 17: ...the seal assembly Add liquid to the pump casing when 1 The pump is being put into service for the first time 2 The pump has not been used for a consider able length of time 3 The liquid in the pump ca...
Страница 18: ...pressure gauge or by a quieter operation The pump may not prime imme diately because the suction line must first fill with liquid If the pump fails to prime within five minutes stop it and check the s...
Страница 19: ...g pressure shown on the pump performance curve Pump Vacuum Check With the pump inoperative install a vacuum gauge in the system using pipe dope on the threads Block the suction line and start the pump...
Страница 20: ...res because of heat generated by friction Temperatures up to 160 F 71 C are considered normal for bearings and they can operate safely to at least 180 F 82 C Checking bearing temperatures by hand is i...
Страница 21: ...eal or pump gasket Check pump vacuum Replace leaking or worn seal or gasket Not enough liquid in casing Add liquid to casing See PRIMING Suction check valve contaminated or damaged Clean or replace ch...
Страница 22: ...eck valve or foot valve clogged or binding Clean valve Suction lift or discharge head too high Check piping installation and install bypass line if needed See INSTAL LATION Impeller clogged or damaged...
Страница 23: ...tely the same duty cycle the part can be checked and replaced before failure occurs reducing unscheduled down time For new applications a first inspection of wearing parts at 250 hours will give insig...
Страница 24: ...at sea level with minimum suction lift Since pump installations are seldom identical your performance may be dif ferent due to such factors as viscosity specific gravity elevation temperature and imp...
Страница 25: ...OM 06667 SUPER T SERIES MAINTENANCE REPAIR PAGE E 2 ILLUSTRATION PARTSPAGE Figure 1 Pump Model T3A75S B Including F FM and WW...
Страница 26: ...10010 1 T3A75S B F 10845 10010 1 T3A75S B FM 38642 209 10000 1 28 CLAMP BAR SCREW 31912 009 15000 1 29 CLAMP BAR 38111 004 11010 1 30 FILL COVER ASSY 42111 344 1 WARNING PLATE 38816 097 13990 1 DRIVE...
Страница 27: ...OM 06667 SUPER T SERIES MAINTENANCE REPAIR PAGE E 4 ILLUSTRATION Figure 2 Repair Rotating Assemblies...
Страница 28: ...219 10010 1 20 BEARING CAP GASKET 38683 268 18000 1 21 SNAP RING S244 1 22 BALL BEARING S1749 1 23 KEY N0608 15990 1 24 IMPELLER SHAFT 38514 563 16040 1 25 BALL BEARING 23252 013 1 26 IMPELLER SCREW F...
Страница 29: ...wing instructions assume complete disassem bly is required Before attempting to service the pump disconnect or lock out the power source and take precautions to ensure that it will remain inoperative...
Страница 30: ...embly Removal Figure 2 The rotating assembly may be serviced without disconnecting the suction or discharge piping however the power source must be removed to provide clearance The impeller 1 should b...
Страница 31: ...l Removal Figure 2 Slide the integral shaft sleeve and rotating portion of the seal off the shaft as a unit Use a pair of stiff wires with hooked ends to remove the stationary element and seat An alte...
Страница 32: ...and a snug slip fit into the bearing housing Replace the bearings shaft or bearing housing if the proper bearing fit is not achieved If bearing replacement is required remove the out board bearing sna...
Страница 33: ...lled in the bearing housing The O D of the sleeve should be just smaller than the bearing housing bore while the I D of the sleeve should be just larger than the O D of the lip seal area of the shaft...
Страница 34: ...all the seal plate gasket 5 Position the seal plate over the shaft and secure it to the bearing housing with the hardware 7 and 8 To prevent damaging the shaft sleeve O ring not shown on the shaft thr...
Страница 35: ...seal is removed from the pump Wear patterns on the finished faces cannot be realigned during reassembly Reusing an old seal could result in prema ture failure Handle the seal parts with extreme care...
Страница 36: ...Proceed with Rotating Assembly Installation be fore installing the impeller capscrew and washer 26 and 27 The rotating assembly must be in stalled in the pump casing in order to torque the im peller...
Страница 37: ...back cover nuts 15 on diagonally opposing studs to press the back cover into the pump casing until the wear plate just touches the impeller when the shaft is turned by hand Tighten the back cover nut...
Страница 38: ...power source have been properly lubricated see LUBRICATION Remove the fill cover assembly 30 and fill the pump casing with clean liquid Reinstall the fill cover and tighten it Refer to OPERATION Sect...
Страница 39: ...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 6...
