Operation Manual
Medium Pressure Pumps
Страница 1: ...Operation Manual Medium Pressure Pumps...
Страница 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...
Страница 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...
Страница 4: ...ecommendation for maximum performance as doing so could cause the motor to overheat If the discharge valve is closed do not continue operating the pump Doing so will decrease the life expectancy of th...
Страница 5: ...e end pump Anchor bolts should be in their designated positions along the pipe sleeves and be long enough to go through grout flange nuts and washers As the foundation needs time to set the pump shoul...
Страница 6: ...e as direct as possible and ideally the length should be at least ten times the pipe diameter Short suction piping can be the same diameter as the suction opening Depending on the length of a longer p...
Страница 7: ...mp is on the same suction line multiple values should be placed in the line in order to shut down each pump individually Gate valves should always be installed in positions that avoid air pockets Glob...
Страница 8: ...Operation Manual 8 Negative suction installation Diagram Piping Support Foot Valve Strainer Eccentric Reducer Concentric Reducer Shut off Valve Check Valve Elbow Expansion Joint...
Страница 9: ...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 off V...
Страница 10: ...maintenance 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 A...
Страница 11: ...the controller and motor from their power sources should be installed Such devices are typically circuit breakers or fusible disconnect switches The motor starter should be seen from the disconnecting...
Страница 12: ...erheating occurred so that pump operation can be stopped In case of overload the cause should be reviewed and corrected Priming As WDM ME pumps are not self priming they must be fully primed before st...
Страница 13: ...ke sure they are tightened securely Write down the serial number of the pump for future reference Perform an insulation or megger test on the motor before putting the pump into service Resistance valu...
Страница 14: ...n 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 discha...
Страница 15: ...ill apply in most normal shut downs for the WDM pumps types ME If pump will be inoperative for an extended length of time follow storage procedures Close the discharge gate valve slowly to prevent hyd...
Страница 16: ...g Table 1 Recommended Lubrication Periods Motor rpm Motor hp Operation conditions Standard Severe Extreme 0 1750 1 3 7 1 2 3 years 1 year 6 months 10 40 1 3 years 6 months 1 year 3 months 50 150 1 yea...
Страница 17: ...ded Lubricants Manufacturer Lubricant Shell Dolium R Exxon Polyrex Chevron SRI Grease NLGI 2 Black Pearl NLGI 2 Texaco Polystar RB Remove grease drain plug if present and the filler plug in order to l...
Страница 18: ...t To remove the impeller from the shaft use the appropriate size gear puller aligned behind the impeller vanes Remove impeller key Remove the backplate bolts and backplate To replace the shaft sleeve...
Страница 19: ...19 ME Pumps Below is a chart with the specifications necessary for the identification of each of the pump parts listed above ME Parts List...
Страница 20: ...Reassembly of pumps Before reassembly all parts should be thoroughly cleaned To identify required replacement items refer to the parts list When ordering the parts have the pump serial or catalog numb...
Страница 21: ...amaged 7 Disassemble pump and replace impeller 8 Foot valve or suction line not submerged deep enough in water pulling air 8 Submerge lower in water 9 Insufficient inlet pressure or suction head 9 Inc...
Страница 22: ...dation not rigid enough 1 Reinforce 2 Foreign material in pump causing unbalance 2 Disassemble pump and remove foreign material 3 Impeller bent 3 Replace impeller 4 Cavitation present 4 Check suction...
Страница 23: ...dicated in its general conditions of sale Failure to follow the suggestions and recommendations in this manual as well as improper product use or handling will completely invalidate the warranty The w...
Страница 24: ...4034 Mint Way Dallas Texas 75237 Tel 800 783 6756 214 337 8780 support wdmpumps com...
