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ACDE

OM‐00652‐09
April 17, 1981
Rev. F  1‐21‐14

THE GORMAN‐RUPP COMPANY 

D

 MANSFIELD, OHIO

www.grpumps.com

GORMAN‐RUPP OF CANADA LIMITED

 

D

 ST. THOMAS, ONTARIO, CANADA

 

    

Printed in U.S.A.

e

1981 The Gorman‐Rupp Company

INSTALLATION, OPERATION,

AND MAINTENANCE MANUAL

WITH PARTS LIST

10 SERIES PUMP

 

MODEL

14A2‐B

Summary of Contents for 14A2-B

Page 1: ...GORMAN RUPP COMPANY D MANSFIELD OHIO www grpumps com GORMAN RUPP OF CANADA LIMITED D ST THOMAS ONTARIO CANADA Printed in U S A e1981 The Gorman Rupp Company INSTALLATION OPERATION AND MAINTENANCE MAN...

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: ...tioning PAGE B 4 DISCHARGE LINES PAGE B 5 Siphoning PAGE B 5 Valves PAGE B 5 Bypass Lines PAGE B 6 AUTOMATIC AIR RELEASE VALVE PAGE B 6 Air Release Valve Installation PAGE B 6 ALIGNMENT PAGE B 7 Coupl...

Page 4: ...Removal and Disassembly PAGE E 4 Back Cover Removal PAGE E 4 Pump Casing Removal PAGE E 5 Impeller Removal PAGE E 5 Seal Removal PAGE E 5 Shaft and Bearing Removal and Disassembly PAGE E 6 Shaft and B...

Page 5: ...nical assistance on the pow er source contact the power source manufactur er s local dealer or representative If there are any questions regarding the pump or its application which are not covered in...

Page 6: ...nect or lock out the power source to ensure that the pump will remain inoperative 3 Allow the pump to completely cool if overheated 4 Check the temperature before opening any covers plates or plugs 5...

Page 7: ...burns and injuries If overheating of the pump occurs 1 Stop the pump immediately 2 Ventilate the area 3 Allow the pump to completely cool 4 Check the temperature before opening any covers plates gauge...

Page 8: ...of liquid to be pumped If installed in a flooded suction application where the liquid is supplied to the pump under pressure some of the information such as mounting line configuration and priming mu...

Page 9: ...the repair or updating policy Do not put the pump into service until appropriate action has been taken POSITIONING PUMP Death or serious personal injury and damage to the pump or components can occur...

Page 10: ...e suction and discharge ports and install the lines Installation closer to the pump may result in erratic readings SUCTION LINES To avoid air pockets which could affect pump prim ing the suction line...

Page 11: ...air to escape from the liquid before it is drawn into the suction inlet If two suction lines are installed in a single sump the flow paths may interact reducing the efficiency of one or both pumps To...

Page 12: ...ld the dis charge check valve closed NOTE The bypass line should be sized so that it does not affect pump discharge capacity however the by pass line should be at least 1 inch 25 4 mm in di ameter to...

Page 13: ...use parts being disen gaged to be ejected with great force Af ter the pump completely cools drain the liquid from the pump by removing the casing drain plug Use caution when re moving the plug to prev...

Page 14: ...multiple Air Release Valves are installed in a sys 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 inst...

Page 15: ...oupling halves every 90_ The coupling is in alignment when the hubs are the same distance apart at all points see Figure 4B Figure 4B Alignment of V Belt Driven Pumps Check parallel adjustment by layi...

Page 16: ...surement The ratio of deflection to belt span is 1 64 for both ASA and metric units Therefore a belt with a span of 64 inches would require a deflection of 1 inch at the force shown on the Tables for...

Page 17: ...500 1740 1741 3000 15 5 14 6 23 4 21 8 17 1 16 8 25 5 25 0 8V 12 5 17 0 200 850 851 1500 33 0 26 8 49 3 39 9 200 850 851 1500 39 6 35 3 59 2 52 7 18 0 22 4 Table 2 Sheave Diameter Millimeters Deflect...

Page 18: ...roy 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 pum...

Page 19: ...lve in order to fill the line slowly and guard against excessive shock pres sure which could damage pipe ends gaskets sprinkler heads and any other fixtures connected to the line When the discharge li...

Page 20: ...atures 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 inaccu rate Bearing temperatures can be measured...

Page 21: ...ction check valve contaminated or damaged Clean or replace check valve Suction intake not submerged at proper level or sump too small Check installation and correct submergence as needed Impeller or o...

Page 22: ...Suction lift or discharge head too high Check piping installation and install bypass line if needed See INSTAL LATION Impeller clogged or damaged Clean out debris replace damaged parts Leaking or wor...

Page 23: ...ly 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 insight...

Page 24: ...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 impeller trim If...

Page 25: ...10 SERIES OM 00652 MAINTENANCE REPAIR PAGE E 2 PARTSPAGE SECTION DRAWING VOLUTE TOP VIEW Figure E 1 Pump Model 14A2 B...

Page 26: ...HER 10278 15030 1 42 IMPELLER CAPSCREW DM1004S 15991 1 43 WEAR PLATE 2605 15990 1 44 HEX NUT D06 15991 2 45 LOCKWASHER J06 15991 2 46 PIPE PLUG P08 15079 1 47 BACK COVER GASKET 2527G 19090 1 48 CLAMP...

Page 27: ...e Before attempting to open or service the pump 1 Familiarize yourself with this man ual 2 Disconnect or lock out the power source to ensure that the pump will remain inoperative 3 Allow the pump to c...

Page 28: ...the V notch positioned over the shaft keyway see Figure E 2 With the impeller rotation still blocked strike the lathe dog sharply in a counterclockwise direction when facing the drive end of the shaft...

Page 29: ...assembled bearing cap 17 and oil seal 34 Press the oil seal from the pedestal bore Place a block of wood against the drive end of the shaft and tap the shaft and assembled bearings 18 and 20 from the...

Page 30: ...oulders in shrinking If movement has occurred use a suitable sized sleeve and a press to reposition the bearings against the shaft shoulders If heating the bearings is not practical use a suit ably si...

Page 31: ...cratches or nicks may be removed with a fine file or emery cloth If excessive wear exists the shaft will have to be replaced The seal is not normally reused because wear pat terns on the finished face...

Page 32: ...inst the shoulder Subassemble the inboard stationary seat packing ring and spring washer and press the subassem bly into the lubricated seal liner A push tube cut from a length of plastic pipe would a...

Page 33: ...ust be concentric to prevent binding when the back cover is installed Clean any scales or debris from the contacting sur faces on the pump casing that might prevent a good seal with the back cover Rep...

Page 34: ...itor the condition of the bearing lubri cant regularly for evidence of rust or mois ture condensation This is especially im portant in areas where variable hot and cold temperatures are common For col...

Page 35: ...rpumps 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 MANSFI...

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