POMPE CUCCHI series WPL Operating And Maintenance Manual Download | Manualshive

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Summary of Contents for series WPL

Page 1: ...erie WPP WPL GEAR PUMP OPERATING AND MAINTENANCE MANUAL POMPE CUCCHI s r l POMPE CUCCHI s r l 20090 Opera MI ITALY Via dei Pioppi 39 Tel 39 02 57606287 R A Fax 39 02 57602257 e mail cucchi pompecucchi it ...

Page 2: ...4 1 SPECIAL ASSEMBLY TOOLS 29 4 2 INSTALLATION SITE INFORMATION 29 4 2 1 Space requirements for operation and installation 29 4 2 2 Inspection before starting installation 29 4 2 3 Foundation details 29 4 2 4 Alignment requirements 29 4 2 5 Suction lift 29 4 3 INITIAL INSTALLATION 31 4 3 1 Complete Pump Unit 31 4 3 2 Free shaft pump 31 4 4 DRIVE UNIT AND ACCESSORY ASSEMBLY 32 4 4 1 Motor 32 4 4 2 ...

Page 3: ...tial commissioning 34 5 4 2 Startup after shutdowns 34 5 4 3 Pump system requirements 35 5 4 4 Startup shutdown frequency 35 5 4 5 Operation and startup with closed valve 35 5 5 SHUTDOWN 35 5 5 1 Decommissioning 35 5 5 2 Emptying 35 6 MAINTENANCE AND INSPECTION 35 6 1 USE PRECAUTIONS 35 6 2 WEARABLE MATERIALS 36 6 3 SURVEILLANCE DURING OPERATION 36 6 4 PREVENTIVE MAINTENANCE 36 6 5 PUMP DISASSEMBL...

Page 4: ... it 1 3 USER MANUAL CONTENT This user manual provides all the necessary information to ensure a safe and correct use of the machine It was written when applicable according to point 5 5 of Standard EN 292 part 2 1992 Machinery Safety according to point 7 of Standard UNI EN 809 2000 Pumps and Pump Units for Liquids Common Safety Requirements and according to point 1 7 4 of Directive 98 37 EC 1998 e...

Page 5: ...ording to the type of application operating conditions and liquid characteristics provided in contract specifications Each variation which alters the in tended use of the pump is forbidden and the User is fully responsible for it e g the use of a liquid which is corrosive to pump materials rather than the recommended fluid etc For variations in use within the application limits e g fluid viscosity...

Page 6: ...suitable seal part as defined in the order Pumps series WPL are connected to the motor shape B34 according to CE standards by means of a flexible or magnetic coupling and a bell housing which also acts as safety coupling guard The pump unit series WPL can be equipped with a mechanic reduction gear or a hydraulic variator to adjust the rotation speed according to CE standards 3 2 WARNINGS Standard ...

Page 7: ...installation of a properly sized filter on the suction line if solids may be present When pumps are installed in parallel the suction lines should be adequately separated to prevent unnecessary turbulence 3 3 PROTECTION DEVICE The bell housing installed by the Manufacturer is made of an aluminium die casting fas tened to the motor by screws duly shaped to prevent fingers from coming into contact w...

Page 8: ...igh humidity corrosive atmosphere explosion and or fire hazard areas dust sandstorms earthquakes and other similar external conditions high level of vibrations high altitude flood hazard areas 4 2 3 Foundation details When the pump unit is installed it shall be firmly fixed in place by fastening bolts or by using other securing methods Ground fastening bolts or other securing methods shall be of s...

Page 9: ...essure losses in the discharge line do not adversely affect the correct operation of the pump if they do not exceed the delivery limits stamped on rating plate Furthermore it is necessary to check that siphons are not created in the suction pipe since the formation of air pockets generates vibrations and stresses which are not compatible with the correct operation of the pump and may obstruct the ...

Page 10: ...he pump The motor must be selected by the Customer depending on the type of operation for which it is specifically requested continuous operation discontinuous operation repeated startups indoor or outdoor installation explosive atmosphere critical environmental conditions alti tude etc with power compatible with that required by the pump Motor and pump shafts are coupled by flexible or magnetic c...

Page 11: ...resonance phenomena pipe and or valve break 4 5 ELECTRICAL CONNECTIONS CONNECTION CABLES The machine shall be connected to the external ground protection system by the appropriate terminal which must be identified by the PE letter Connection cables shall be properly sized and insulated Before energizing the machine always verify that the mains voltage and fre quency are compatible with those of th...

Page 12: ...cording to all the necessary cautions In particular the pump body shall be emptied according to proper operating maneuvers 5 2 2 Electrical connections It is necessary to choose wires which satisfy the operating conditions required by the Cus tomer e g voltage current electric shock protection bundle of cables and can support ex ternal influences e g ambient temperature presence of water or corros...

Page 13: ...n in the liquid with consequent premature deterioration of bearing bushes and moving parts Verify the proper operation of the relief valve to do so it is necessary to gradually increase pressure by acting on the valve located on the discharge pipe up to reach the expected calibration value Now after a further rotation of the valve the discharge pressure shall remain lower than the calibration valu...

Page 14: ... hazardous fluid or with a liquid at a temperature higher than 55 C shall be equipped with a device such as a connection pipe to be provided by the User to collect and dispose the liquid drained or coming from any possible leakage from the shaft seal or discharged by a pressure relief valve 6 MAINTENANCE AND INSPECTION The maintenance and disassembly operations of the pump must be performed only b...

Page 15: ...the presence of an Operator during the work cycle It is up to the User to provide or not a periodic surveillance depending on the importance and serious ness of the operation The relevant checks shall be aimed to detect abnormal noise vibra tion temperature levels and or some dripping from the mechanical seals variations of pres sure and or flow rate etc 6 4 PREVENTIVE MAINTENANCE It is always adv...

Page 16: ...d interposed with soft bearing to press the seal up to make the spring B rest on the seeger provided on the shaft 2 Magnet coupling see Figure 2 a Access to the inner magnet Place a container of suitable capacity under the inner magnet bell unscrew the Allen screws and disassemble the ring the bell a and the O ring Y Unscrew the fastening pin 46 and the screw b and disassemble the inner magnet On ...

Page 17: ...e position of dowel pins and internal drain lines holes and do not pinch the O rings 7 Tighten the cover cross fastening screws B by rotating simultaneously the motor shaft to avoid differentiated pressures on gears which might increase frictions With regard to tight ening torques see paragraph 4 6 3 Then carry out operations indicated in items c a f Safety valve replacement Unscrew the cap O and ...

Page 18: ...Pompa ad Ingranaggi Serie WPP WPL Gear Pump WPP WPL Series 39 BLANK PAGE ...

Page 19: ...emove siphons Tighten fittings and flanges Increase the valve operating pres sure Replace with free ball foot valve CAUSE The motor is not powered Incorrect supply voltage Excessive power consumption Mechanical lock of motor and or pump shafts Direction of rotation reversed Valves on suction and or discharge pipes closed Suction filter clogged Presence of air in the suction pipe High pressure loss...

Page 20: ...ing pre load Cool the fluid Grind rear cover Decrease the fluid temperature CAUSE Presence of air in pipes Cavitation Ball bearing and or bush failure Pump saturation Excessive speed of rotation in relation to the fluid viscosity By pass valve opening Cavitation By pass valve opening Friction increase by thermal effect Gear shim adjustment to a given clear ance gear Decrease in viscosity due to th...

Page 21: ...anty Warranty does not apply to normal wear parts and damages due to negligence and poor maintenance For the application of the warranty it is necessary that the Customers immediately notifies Pompe Cucchi s r l the trouble he imputes to the pump the pump was not tampered with the pump is returned to Pompe Cucchi s r l clean after removing any trace of the process fluid and in a proper packaging a...

Page 22: ...LEGATI ANNEXES Le operazioni di manutenzione e lo smontaggio della pompa vanno effettuate unica mente da personale autorizzato e specificamente addestrato Maintenance operations and pump disassembly must be performed only by author ized and specifically trained people ...

Page 23: ...Figura 1 Figure 1 ...

Page 24: ...eriore Albero condotto Boccola Molletta Ingranaggio conduttore O Ring Linguetta ingranaggi Corpo centrale Coperchio anteriore Anello elastico per alberi Anello rotante ten mecc O Ring Premitenuta Anello elastico per fori Cuscinetto a sfere Molla valvola Vite T C E I Spina di riferimento Otturatore valvola Fascetta Grano Linguetta Giunto lato pompa O Ring Lanterna Albero conduttore Rondella Dado Gh...

Page 25: ...Figura 2 Figure 2 ...

Page 26: ...nner magnet cover Socket screw Bell housing Outer magnet Grub screw DESCRIZIONE Coperchio anteriore O Ring Flangia Albero conduttore Magnete interno Grano Anello Vite T C E I Vite T E Campana magnete interno Vite T C E I Lanterna Magnete esterno Grano Q TY 1 2 1 1 1 1 1 4 4 1 1 1 1 1 Parts list ITEM X Y Z _ a b c d e ...

Page 27: ...uppi di pompaggio serie B F FM FT MG MX N WPP WPL CP CPP CMP CM DMP AM5 sono conformi a quanto prescritto dalle seguenti Direttive 98 37 CE 93 68 CE 73 23 CE 89 336 CE DECLARATION OF CONFORMITY POMPE CUCCHI s r l declares under its own responsability that pumping sets series B F FM FT MG MX N WPP WPL CP CPP CMP CM DMP AM5 are in accordance with the following Direc tives 98 37 EC 93 68 EC 73 23 EC ...

Page 28: ...ere messe in servizio prima che i gruppi di pompaggio siano stati correttamente assemblati e dichiarati conformi alle seguenti Direttive 98 37 CE 93 68 CE 73 23 CE 89 336 CE DECLARATION OF INCORPORATION FOR SUPPLY OF BARE SHAFT PUMPS POMPE CUCCHI s r l declares under its own responsability that pumps series B F FM FT MG MX N WPP WPL CP CPP CMP CM DMP AM5 have been designed in accordance with the 9...

Page 29: ...Edizione 09 2007 Edition 09 2007 POMPE CUCCHI s r l ...

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