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Summary of Contents for Grindex MASTER N
- Page 1 No: 89 73 92 Revision 03 2009.01 Installation, care and maintenance www.grindex.com MASTER...
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Page 2: Table Of Contents
— that the fault is due to defects in design, ma normal wear and tear. terials or workmanship; — that the fault is reported to Grindex or Grin Grindex assumes no liability for either bodily dex’s rep resentative during the guarantee injuries, material damages or economic losses period;... -
Page 3: Safety Precautions
If there are no laws or For all other warnings. regulations, or the product is not accepted by an aut- horized recycling company, the product or it’s parts can be returned to the nearest Grindex sales company or service workshop. -
Page 4: Product Description
Product description Applications Motor data Motor type: Squirrel-cage 3-phase induction Master N & H are intended to be used for: motor for 50 Hz and 60 Hz markets. 3~ 50 Hz, 2855 r/min — pumping of water which may contain abrasive particles. -
Page 5: Dimensions And Weights
Installation, care and maintenance MASTER Dimensions and weights Master N Master H... -
Page 6: Performance Curves
Installation, care and maintenance MASTER Performance curves Each pump is tested in accordance with ISO 9906. Master N, 50 Hz Master H, 50 Hz [hp] / [kW] [hp] / [kW] Head [ft] / [m] Head [ft] / [m] 1000 1200... - Page 7 Installation, care and maintenance MASTER Master N, 60 Hz Master H, 60 Hz [hp] / [kW] [hp] / [kW] Head [ft] / [m] Head [ft] / [m] 1000 1200 Capacity [l/s] / [usgpm] Capacity [l/s] / [usgpm]...
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Page 8: Transportation And Storage
Installation, care and maintenance MASTER Transportation and storage The pump may be transported and stored in a The pump is frostproof as long as it is operating vertical or horizontal position. Make sure that it or is immersed in the liquid. If the pump is taken cannot roll or fall over. -
Page 9: Electrical Connections
Installation, care and maintenance MASTER Electrical connections WARNING! WARNING! All electrical equipment must If persons are likely to come into physical contact be earthed (grounded). This applies to both pump equip- media (liquid), e.g on con- with the pump or pumped ment and any monitoring equipment. - Page 10 Installation, care and maintenance MASTER SUBCAB ® 4GX/SUBCAB ® AWG, 6-leads, Y or D ® ® SUBCAB 4GX/SUBCAB AWG, 9-leads, Y// or Yser...
- Page 11 Installation, care and maintenance MASTER Connection of motor protector NOTE! The thermal contacts in the winding are CSA approved only for 250 V and below. For other voltages when CSA approval is required a transformer is used to reduce the voltage over the thermal contacts. As a consequence the transformer has to be disconnected when the connection is changed from 440-460 V Yser to 220-240 V Y// .
- Page 12 Installation, care and maintenance MASTER SUBCAB ® 4GX/SUBCAB ® AWG, 6-leads, Y/D...
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Page 13: Operation
Installation, care and maintenance MASTER Operation Cleaning Before starting ter, let it run for a while in clean water, or lush If the pump has been running in very dirty wa Check the oil level in the oil casing. Remove the fuses or open the circuit breaker it through the discharge connection. -
Page 14: Care And Maintenance
Installation, care and maintenance MASTER Care and maintenance Safety precautions Inspection Regular inspection and preventive maintenance WARNING! ensure more reliable operation. Before starting to work on the The pump should be inspected at least twice a pump or moving the pump, year, more frequently under severe operating make sure that the pump is conditions. -
Page 15: Recommended Inspections
— that an Oring is damaged. — that the cable entry is leaking. If there is oil in the inspections chamber, the cause may be: — that the inner mechanical seal is damaged. Contact a Grindex serv ice shop. - Page 16 If faulty, contact an electrician. Starter equipment Repair faults and notify supervisor of any faults or defects. Pipes, valves and other peripheral equipment Contact a Grindex service shop. Insulation resistance in the stator...
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Page 17: Changing The Oil
Installation, care and maintenance MASTER Explanation of symbols = Oil screw = Inspection plug Changing the oil Lift the pump horizontally with an overhead crane and place on relief table. Turn the pump so that one of the oil screws faces downwards. -
Page 18: Removing The Impeller
Installation, care and maintenance MASTER Removing the impeller Remove the strainer, the suction cover and Oring. (L= min. 200 mm/7.9 inch), see ig. to prevent Lock the impeller with a screw driver or similar rotation of the impeller. Loosen and remove the impeller screw and washer. -
Page 19: Installning The Impeller And Setting Clearance
Installation, care and maintenance MASTER Installing the impeller and setting clearance free from burrs. Polish off any laws with ine Make sure that the end of the shaft is clean and emery cloth. Grease end of shaft, conical sleeve and the threads of the adjustment screw. The proper lubrication is grease for bearings e.g. - Page 20 Installation, care and maintenance MASTER Turn the adjustment screw clockwise until the Tighten it further 1/8 turn, 45 impeller makes contact with the suction cover. . This will ensure the correct clearance between the impeller and the suction cover in the next step. (L= min.
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Page 21: Tools
Installation, care and maintenance MASTER Tools Tools Most of the tools needed for servicing the pump are tools normally included in every serviceman’s Part No. Denomination Remarks tool kit. However, there are some special tools 51 087 00 Mounting sleeve Mechanical seal unit the servicing of the pump will be dificult and the exclusively for this pump type without which... - Page 22 Installation, care and maintenance MASTER Service log Pump No. Hours of operation Remarks Sign. Most recent service date...
- Page 23 Installation, care and maintenance MASTER Service log Pump No. Hours of operation Remarks Sign. Most recent service date...
- Page 24 Grindex AB • Box 7025 • 174 07 Sundbyberg • Sweden • Tel +468 606 66 00 • Fax +468 745 53 28 • marketing@grindex.com...
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