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OPERATING MANUAL FOR CENTRIFUGAL SELF-PRIMING
ELECTRICAL PUMP WITH INTEGRATED GRINDER.
Edition
Date
01
23/01/15
Revision
Date
SELF-PRIMING ELECTRO PUMP
BMA-M SERIES
Edited
Emitted
A. Dini
G. Ferrari
Updated
Emitted
1
Gianneschi Pumps and Blowers S.r.l.
www.gianneschi.net
Date
Type of update
Approved
C. Gianneschi
Approved
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Table of Contents
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Summary of Contents for Gianneschi BMA-M Series
- Page 1 SELF-PRIMING ELECTRO PUMP BMA-M SERIES OPERATING MANUAL FOR CENTRIFUGAL SELF-PRIMING ELECTRICAL PUMP WITH INTEGRATED GRINDER. Edition Date Edited Emitted Approved 23/01/15 A. Dini G. Ferrari C. Gianneschi Date Revision Date Updated Emitted Type of update Approved Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net...
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Page 2: Table Of Contents
Noise Level..........................18 3.2.2 Piping Installation ........................19 3.2.3 Suction Pipes ......................... 19 3.2.4 Delivery Pipes ........................19 Electrical Connections ........................20 Pre Start-Up Check ......................... 21 Start- Up ............................21 Stopping Pump ..........................21 Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... - Page 3 Figure 11 Impeller face vanes must be within 0.2 – 0.3mm diffuser plane for most efficient operation. .. 27 Figure 12 Clearance between rotary and stationary cutter................. 28 Figure 13 Fixed cutter ring and rotary cutter....................29 Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net...
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Page 4: Introduction
The data published here comply with the most recent information at the time of going to press. However they may be subject to later modifications. Gianneschi Pumps and Blowers reserves the right to change construction and design of the products at any time without being obliged to change earlier deliveries accordingly. -
Page 5: Guarantee
(invoices). The guarantee shall naturally cover any defect in construction of material manufactured by Gianneschi Pumps and Blowers. Gianneschi Pumps and Blowers shall not be bound to any guarantee other than the guarantee accepted by Gianneschi Pumps and Blowers. The guarantee will be immediately invalidated if: ... - Page 6 The lifting eye is designed to bear the weight of electrical motor only! It is not permitted to lift a complete pump unit by using only lifting eye bolt fitted on electrical motor! During transportation, shocks, falls and humidity should be avoided. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net...
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Page 7: Storage
Before contact Gianneschi Pumps and Blowers company, it is strongly suggested to collect all information listed on name plate, see Errore. L'origine riferimento non è stata trovata. and refer to Errore. -
Page 8: Figure 2 Example Of Pump Name Plate
Type of motor (single phase, three phases, direct current) Rated Voltage Rated current Installed power Revolution per minute Rated frequency I.C.L Insulation class Serv. Service Index protection Weight Pump weight Table 1 Description of name plate fields Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 9: Spare Parts
Exact reference who orders spare parts (company name or name/surname of person, address, phone number, e-mail contact); To facilitate selection of spare parts Gianneschi Pumps and Blowers can supplies two kinds of a pre- defined spare parts kit, standard or extended spare parts kit. These kits include most usually recommended spare parts for el/pump. -
Page 10: Figure 3 Bma-M Exploded View
Figure 3 BMA-M exploded view Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... - Page 11 Capacitor (Only in 1Ph version) Extended Spare Part kit Mechanical Seal 15-31 O-Ring Dowel Pin Capacitor (Only in 1Ph version) Impeller 30-35 Diffuser with macerator body Macerator Blade Sheems Table 3 Standard and extended spare parts kits. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net...
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Page 12: General
In any case the water content has to be the larger part of the handled fluid. If there is a question regarding the intended use of the equipment, please contact Gianneschi Pumps and Blowers before proceeding. -
Page 13: Condition Of Use
1 - 1.5 m/s When waste water is handled the duty points (Qdp)in continuous operation lie within 0.7 to 1.2 x Qm /h 4.2 <Qdp <7.2 Example = Qm: 6m Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 14: Construction Feature
Gasoline. Do not use the pump for purpose different from those for which it was delivered before contacting the manufacturer Gianneschi Pumps and Blowers. WARNING Using a pump in a system or under system conditions (i.e. liquids, working pressure, temperature, etc..) for which it has not been designed, may be hazardous for the user. -
Page 15: Diffuser
The correct gap between impeller and diffuser can be checked by means of feeler gauge. Figure 7 Check of correct gap between Impeller and diffuser CAUTION Improperly setting the clearance between impeller and diffuser can result in sparks, unexpected heat generation and equipment damage. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 16: Mechanical Seal
Due to the diversity of operating conditions it is not possible to give a data about life time mechanical seal. To assure maximum reliability an safely operation with el/pump, Gianneschi Pumps and Blowers evaluates seal choices when pump is selected in accordance with technical requirements provided by customer. -
Page 17: Self-Priming Action
The rotary cutter is freely rotating within the fixed cutter and, when the pump is running, liquid including any particles passes by the cutters, whereby the particles are ground by the cutters to fine pieces avoiding clogging and eventually stoppage of the pump. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 18: Materials
Make sure that you understand the noise level requirements in the environment where the pump is installed. Failure to do so may result in hearing loss or violation of local laws. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 19: Piping Installation
A vacuum gauge is recommended where pump performance needs to be closely monitored as well a non- returned valve and sluice valve. 3.2.4 ELIVERY IPES Delivery pipe should be air-tight. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 20: Electrical Connections
Incorrect rotation of single phase electrical motor: Wire the motor according to electrical scheme attached in the terminal box cover. In the unlikely event that the rotation is still incorrect, contact Gianneschi Pumps and Blowers; Gianneschi Pumps and Blowers S.r.l. -
Page 21: Pre Start-Up Check
If after 5 minutes the pump does not prime, immediately stop it and consult troubleshooting section. STOPPING PUMP To stop electrical pump: Switch-off circuit breaker in order to shutoff power supply to electrical motor; Shut-off supply and suction and discharge lines Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 22: Maintenance
WARNING For warranty service, electrical pump must be delivered to Gianneschi Pumps and Blowers company or to an authorized centre. If electrical pump is opening by unauthorized centre the warranty will be invalidated. -
Page 23: Cleaning The Macerator
If the pump is used only occasionally it should be cleaned after each operation by flushing with clean water to eliminate deposits and caking. If the impeller does not easily rotate after the normal cleaning the impeller could be blocked. To remove any blocking from the impeller proceed as follow: Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 24: Repleacing Impeller And Mechanical Seal
13. Ensure the impeller freely rotates. Note: the electrical motor will offer some resistance; 14. Check the clearance between impeller (#27) and diffuser (#30) according to § 4.2.3; 15. Check the clearance between rotating cutter (#29) fixed cutter (#35) according to § 4.2.4. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 25: Replacing The Mechanical Seal
24. Check the clearance between impeller (#27) and diffuser (#30) according to § 4.2.3; 25. Check the clearance between rotating cutter (#29) fixed cutter (#35) according to § 4.2.4; 26. Reassemble the pump body. CAUTION The precision lapped faces on the mechanical seal are easily damaged. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 26: Adjusting Impeller Clearance
Normally, new pump clearances can be restored by simply shimming behind the impeller. This clearance should be checked at least once per year and more often if water-containing abrasives are being pumped. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 27: Figure 11 Impeller Face Vanes Must Be Within 0.2 - 0.3Mm Diffuser Plane For Most Efficient Operation
Figure 11 Impeller face vanes must be within 0.3mm diffuser plane for most efficient operation. WARNING Components with sharp edges risk of cutting or shearing injuries! Always use appropriate caution for installation and dismantling work. Wear work gloves. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 28: Adjusting Cutting Clearance
If the cutting gap has become larger than 0,4 mm due to wear, it cannot be corrected and it must be replaced. If necessary to replace grinder parts because of wear or to inspect for clogging: Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 29: Figure 13 Fixed Cutter Ring And Rotary Cutter
Be sure that both three screws are tightened or loosened of the same amount. By a feeler gauge or metal sheet of calibrated thickness check that rotating cutter is centred in fixed cutter. Figure 13 Fixed cutter ring and rotary cutter. Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 30: Troubleshooting
Adjust impeller clearance, refer to Excessive impeller clearance rated flow or head §2.3.2. Inadequate suction head Review/revise design Worn or damaged impeller Inspect/replace as necessary Check wiring and repair or replace Motor overload Faulty electrical connections as necessary Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... - Page 31 Pump clogs frequently Liquid solution being pumped is Dilute if possible too thick.. Open discharge valves to fully open; Discharge velocity too slow. increase pump speed Cutter jammed Replace both fixed and rotary cutter Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net...
- Page 32 OF CONFORMITY Under Annex II of the Machinery Directive 2006/42/CE as amended. The undersigned manufacturer: Gianneschi Pumps and Blowers S.r.l. Declare on own and exclusive risk, that the pumps and electro pumps: BMA-M and their derivate. Is not suitable to work in areas with risk of explosion.
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Page 33: Brushes Replacing (Only Dc Version)
NOTE: BRUSHES REPLACING (ONLY DC VERSION) See DC Motor instruction manual Gianneschi Pumps and Blowers S.r.l. www.gianneschi.net... -
Page 34: Gianneschi Pumps And Blowers S.r.l
DIESE BETRIEBSANLEITUNG AUFBEWAHREN CONSERVER CES INSTRUCTIONS CONSERVAR ESTAS INSTRUCCIONES SPARA DENNA INSTRUKTIONEN ___________________ASSISTENZA - SERVICE__________________ Gianneschi Pumps and Blowers s.r.l. via G. Pastore, n.° 19/21 55040 Capezzano Pianore (LU) – Italia Tel.: +39 0584 365101 Fax.: +39 0584 969411 web site: www.gianneschi.net...
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