background image

GS Pumps.

 

17

 

 

 

4. 

Starting the pump.

 

 

 

 
Once the pump is primed, start the pump by turning on the power to the 
motor as instructed in the motor manual and follow this recommendation: 
 

• 

Check for pressure leaks, make an immediate visual inspection of 
the pump and suction piping.  

• 

Upon the pump reaching full operating speed, begin to open the 
discharge gate valve slowly until complete system flow is achieved. 

• 

The discharge pipe should also be checked for pressure leaks. 

• 

If there are pressure gauges on the pump, record pressure readings 
to use as a reference in the future 

• 

Also make sure the pump is falling within the parameters of the 
performance curve. 

• 

Check and record Voltage, amperage per phase, and 
kilowatts. 

 

Voltage regulation.

 

 

While the motor will operate satisfactorily under these voltage and 
frequency variations, such operation may not be  in  accordance with 
the standards established for operation in underrated conditions:

 

 

 

Variation in the voltage may not exceed ± 10% the rating 
specified on the motor data plate.

 

 

Frequency variation may not exceed ± 5% the rating 
specified on the motor data plate.

 

 

The sum of the voltage and frequency variation may not 
exceed ± 10% the motor rating while the frequency variation 
does not exceed ± 5%. 

 
 
 

WARNING.

 

If a pump is operated without an approved coupling guard in     
place, it may result in injury to personnel operating the 
pump.  Coupling guard should be installed on flexible 
coupled units. 

Summary of Contents for GE Series

Page 1: ...Operation Manual GE GU Pumps...

Page 2: ...here are no missing or damaged pieces from shipping If upon delivery parts are damaged or missing make a claim to the shipping company as soon as possible The design of this product as well as the mat...

Page 3: ...ts will vary depending on usage and location Improper grounding will void the warranty To reduce the risk of electrical shock always disconnect the pump from the power source before handling or servic...

Page 4: ...during operation Never apply heat in disassembling a pump as doing so could cause an explosion Do not exceed manufacturer s recommendation for maximum performance as doing so could cause the motor to...

Page 5: ...ectrical characteristics should fall within the range specified on the engine data plate Protect the pump from exposure to extremely low temperatures to prevent fluid inside the pump from freezing The...

Page 6: ...place stress on either flange Once the pump is aligned putting on bolt nuts and tightening them will be sufficient to anchor the pump to the steel or concrete foundation Once any grout is completely...

Page 7: ...ipe to match the diameter of the pump suction as it reaches pump suction opening When required to reduce the pipe diameter use an eccentric reducer with the eccentric side down The pipe should never b...

Page 8: ...hat avoid air pockets Globe valves should not be used Valves along the suction line should always be fully open when the pump is in operation Pressure gauges may be installed in gauge taps on pump noz...

Page 9: ...GS Pumps 9 Negative suction installation Diagram Piping Support Foot Valve Strainer Eccentric Reducer Concentric Reducer Shut off Valve Check Valve Elbow Expansion Joint...

Page 10: ...rge opening for short piping for longer piping size should be 1 or 2 sizes larger according to piping length For best results horizontal piping should have an even gradient 1 Y fitting 2 Tank 3 Shut o...

Page 11: ...ntenance and pump removal Electrical connections Power and Cables Control The cable assembly mounted to the pump should not be modified in any way except for shortening to a specific application Any s...

Page 12: ...ve Dry operation will cause seal failure within minutes Clean and flush the suction piping before installing and operating pump Abrasives including pipe scale welding slag and others can rapidly cause...

Page 13: ...GS Pumps 13 Use the following diagrams as guidance for correct alignment Angular Alignment Parallel Alignment Correct Incorrect...

Page 14: ...r there to be an ease of installation and convenient control control panel or motor starter s should be placed in close proximity to the pump Incoming power sources should be checked to ensure that th...

Page 15: ...priming may be accomplished by the use of foot valves or ejectors or by manual filling of the pump casing and suction line Pre start checklist Before starting the pump the following inspections shoul...

Page 16: ...ded and saved for future reference Motor rotation Before checking motor rotation make sure all components in the system are wired and properly connected If so then check the motor rotation as follows...

Page 17: ...parameters of the performance curve Check and record Voltage amperage per phase and kilowatts Voltage regulation While the motor will operate satisfactorily under these voltage and frequency variation...

Page 18: ...y remain filled with liquid Pumps should be primed again fully before restarting Extended period shutdown If the shutdown is for a longer period of time or for pump maintenance close the suction gate...

Page 19: ...y regular or light loading clean air below 100 F 38 C ambient temperature Severe conditions 24 hours operation shock loading or vibration reduced ventilation ambient temperature between 100 F to 150 F...

Page 20: ...co Polystar RB Remove grease drain plug if present and the filler plug in order to lubricate greased bearings and then add clean lubricant until it appears at the drain hole or along the shaft For uni...

Page 21: ...ace the plugs The second oil change occur at 2000 hours of operation The third oil change should occur at 8000 hours of operation From then on oil changes should occur at every 8000 hours of operation...

Page 22: ...housing on flat surface and press out seal seat 14A To replace the shaft sleeve heat evenly to about 350 F in order to loosen the Loctite and then twist the sleeve off Remove Slinger Remove grease sea...

Page 23: ...me Replace lip seals if worn or damaged Replace bearings if loose rough or noisy when rotated Check shaft for runout at the sleeve area Below is a chart with the specifications necessary for the ident...

Page 24: ...aring 10B Front Bearing 11A Back Lip Seal 11B Front Lip Seal 12A Back Snap Ring 12B Front Snap Ring 12C Back Ext Snap Ring 13A Backplate Hex Bolt 13B Casing Hex Bolt 13C Impeller Hex Bolt 14A Backplat...

Page 25: ...25 GS Pumps GE Parts List...

Page 26: ...leeve 8A Backplate Gasket 8B Casing Gasket 9A Slinger 12C Ext Snap Ring 13A Backplate Hex Bolt 13B Casing Hex Bolt 13C Impeller Hex Bolt 13D Motor Bracket Hex Bolt 14A Backplate Lock Washer 14B Impell...

Page 27: ...e and unit will not prime 1 Casing not filled with water 1 Fill pump casing Using a foot valve will extend pump life and facilitate immediate priming 2 Total head too high 2 Shorten suction head 3 Suc...

Page 28: ...valve strainer or pump 5 Unclog clear or replace as necessary Pump overloads driver 1 Total head lower than pump rating unit delivering too much water 1 Increase back pressure on pump by turning gate...

Page 29: ...ns carefully 10 Warranty WDM guarantees its GS Pumps for a period of 12 months from the date of delivery against defects in material and workmanship according the indicated in its general conditions o...

Page 30: ...30 Operation Manual...

Page 31: ...31 GS Pumps...

Page 32: ...4034 Mint Way Dallas Texas 75237 Tel 800 783 6756 214 337 8780 support wdmpumps com...

Reviews: