GORMAN-RUPP PUMPS Super T T3A75S-B Installation, Operation And Maintenance Manual Download Page 28

ITEM 
NO.

PART NAME

PART 
NUMBER

QTY

ITEM 
NO.

PART NAME

PART 
NUMBER

QTY

OM-06667

SUPER T SERIES

MAINTENANCE & REPAIR

PAGE E - 5

PARTS LIST

Repair Rotating Assemblies

Note:

 Order complete Repair Rotating Assembly for /WW model from the Pump Model Assembly Parts List

on page E-3. Repair Rotating Assembly for /WW models include all of the standard parts listed below.

1

IMPELLER

11406

1

2

CART SEAL ASSY

46513-151

1

3

IMP ADJ SHIM SET

37J 17090

REF

4

SEAL PLATE

11837D

1

5

GASKET

10959G 20000

1

6

OIL SEAL

S1352

1

6A

OIL SEAL

S1352

1

6B

OIL SEAL

S1352

1

7

LOCK WASHER

J08 15991

4

8

HEX HEAD CAP SCREW

B0805 15991

4

9

BEARING HOUSING

38251-410 10010

1

10

VENTED PIPE PLUG

4823A 15079

1

11

AIR VENT

S1530

1

12

REDUCER PIPE BUSHING AP0802 15079

1

13

PIPE PLUG

P12 15079

1

14

SEAL CVTY SIGHT GAUGE S1471

1

14A

BRG CVTY SIGHT GAUGE S1471

1

15

BRG CAVITY DRAIN PLUG P04 15079

2

15A

SEAL CAVITY DRAIN PLUG P04 15079

2

16

SOC HD PIPE PLUG

PC20 10009

1

17

HEX HEAD CAP SCREW

B0605 15991

4

18

LOCK WASHER

J06 15991

4

19

BEARING CAP

38322-219 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

F1004S

1

27

IMPELLER WASHER

31167-029 16000

1

28

O‐RING

25154-022

1

29

O‐RING

S1748

1

30

ROT ASSY ADJ SHIM

13130-3 17040

8

31

SHIPPING PLUG

11495B 15079

2

NOT SHOWN:
 S/N 

PLATE

2613GG 

13990

1

DRIVE SCREW

BM#04-03 17000

2

ROTATION DECAL

2613M

1

INSTRUCTION TAG

6588U

1

OPTIONAL:

IMP CLEAN‐OUT KIT

48783-001

1

STAINLESS STEEL PARTS:

 

 -IMP SHAFT

 

 (LESS SLEEVE)

11398A

1

 -IMPELLER WASHER

10278 17090

1

 -IMP CAPSCREW

DM1004S 17090

1

 -SEAL ASSEMBLY

12364D

1

 -SEAL PLATE

38272-240

1

 -SPACER WASHER

 

 -(FOR SST SHAFT)

38329-040 17130

1

 -SHAFT SLEEVE

11876A

1

STD MECHANICAL
 SEAL ASSEMBLY

12364A

1

 

MECHANICAL SEAL
 SHAFT SLEEVE

11876A 16000

1

 

AFLAS SEAL (USE W/SST SLEEVE

 

 OR SOLID SST SHAFT)

46512-194

1

METAL BELLOWS MECH SEAL ASSY

(VITON OR EQUAL)

46512-147

1

METAL BELLOWS MECH SEAL ASSY

 

(KALREZ)

46512-142

1

INDICATES PARTS RECOMMENDED FOR STOCK

OPTIONAL MECHANICAL SEAL(S) MUST BE USED WITH MECHANICAL SEAL SHAFT SLEEVE OR SOLID SST SHAFT.

KALREZ

 AND VITON

 

 ARE REGISTERED TRADEMARKS OF THE DUPONT CORP.

AFLAS

 IS A REGISTERED TRADEMARK OF THE 3M CORP.

Summary of Contents for Super T T3A75S-B

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 25: ...OM 06667 SUPER T SERIES MAINTENANCE REPAIR PAGE E 2 ILLUSTRATION PARTSPAGE Figure 1 Pump Model T3A75S B Including F FM and WW...

Page 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...

Page 27: ...OM 06667 SUPER T SERIES MAINTENANCE REPAIR PAGE E 4 ILLUSTRATION Figure 2 Repair Rotating Assemblies...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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