GORMAN-RUPP PUMPS Roto-Prime RD Series Installation And Operation Manual Download Page 21

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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

MANSFIELD, OHIO

GORMAN‐RUPP OF CANADA LIMITED

ST. THOMAS, ONTARIO, CANADA

Summary of Contents for Roto-Prime RD Series

Page 1: ...OM 03989 January 21 1994 Rev D 05 10 12 THE GORMAN RUPP COMPANY MANSFIELD OHIO GORMAN RUPP OF CANADA LIMITED ST THOMAS ONTARIO CANADA Printed in U S A www grpumps com 1994 The Gorman Rupp Company RS A...

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: ...con tact your Gorman Rupp distributor or the Gorman Rupp Company The basic pump is not furnished with a mounting base and power source however these items are available from the factory as optional eq...

Page 4: ...actory specifications the war ranty will become void and any claim will be de nied The following are used to alert personnel to procedures which require special attention to those which could damage e...

Page 5: ...ual 2 Shut off the incoming power to the motor and lock it out or take other action to ensure that the pump will remain inoperative 3 Allow the pump to completely cool if overheated 4 Check the tempe...

Page 6: ...in this manual before restarting the pump Do not install and operate a non explo sion proof motor in an explosive atmo sphere Install connect and operate the motor in accordance with The Na tional El...

Page 7: ...imit the incoming pres sure to 50 of the maximum permissible operating pressure shown on the pump performance curve For further assistance contact your Gorman Rupp distributor or the Gorman Rupp Compa...

Page 8: ...s occurs after the pump and piping are properly secured contact the factory to obtain optional springs for the priming pump group grind If the vibration is not corrected the tubing could fatigue and r...

Page 9: ...ration decreased bearing life and increased shaft and seal wear If hose type lines are used they should have adequate support to secure them when filled with liquid and under pressure Gauges Most pump...

Page 10: ...to protect the pump from acciden tal damage a commercially available 80 mesh screen should be installed in the suction line Make certain that the total open area of the screen is at least three or fou...

Page 11: ...trained 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 p...

Page 12: ...required on the pump to facilitate installation and proper function of the Air Release Valve it is recommended that this be ordered as a factory installed option only The Air Release Valve works in co...

Page 13: ...ipment Misalign ment will occur in transit and handling Pumps must be checked and realigned before operation Before checking alignment tighten the foundation bolts The pump casing feet and or pedestal...

Page 14: ...llel alignment If the coupling is misaligned use a feeler gauge between the coupling and the straightedge to measure the amount of misalign ment Figure 5 Aligning Non Spider Type Couplings Do not oper...

Page 15: ...Make sure that the piping connec tions are tight and that the pump is securely mounted Check that the pump is properly lubri cated see LUBRICATION in MAINTENANCE AND REPAIR Never operate this pump unl...

Page 16: ...all amount of liquid See Figure 2 for the theory of priming pump operation FULL PRIMING SPRING FULLY EXTENDED SLIDE AT BOTTOM MAXI MUM VAPOR EVACUATION PARTIAL PRIMING SPRING SLIGHTLY COMPRESSED SLIDE...

Page 17: ...e Valve Connected To Roto Prime Pump The Air Release Valve is designed with an air valve in the head of the assembly and a sump valve in the base of the assembly These valves are controlled by a commo...

Page 18: ...before attempting to start the power source If an electric motor is used to drive the pump re move V belts couplings or otherwise disconnect the pump from the motor before checking motor rotation Oper...

Page 19: ...STOPPING Never halt the flow of liquid suddenly If the liquid being pumped is stopped abruptly damaging shock waves can be transmitted to the pump and piping system Close all connecting valves slowly...

Page 20: ...in bearing temperatures is a warning that the bearings are at the point of failing to operate properly Make certain that the bearing lubricant is of the proper viscosity and at the cor rect level see...

Page 21: ...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 MANSFI...