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Summary of Contents for Grindex MINOR
- Page 1 No: 89 73 87 Revision 02 2008.04 Installation, care and maintenance www.grindex.com MINOR & MAJOR...
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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
Installation, care and maintenance Minor , Major Product description Applications WARNING! Minor and Major are intended to be used for: The pump may not be used — pumping of water which may contain abrasive in an explosive or flammable particles. -
Page 5: Motor Data
Installation, care and maintenance Minor , Major Motor data Minor Major Motor type: Squirrel-cage 3-phase induc- Motor type: Squirrel-cage 3-phase induc- tion motor for 50 Hz and 60 Hz markets. tion motor for 50 Hz and 60 Hz markets. 3~ 50 Hz, 2895 r/min 3~ 50 Hz, 2855 r/min Rated output: 5.6 kW (7.5 hp). -
Page 6: Dimensions And Weights
Installation, care and maintenance Minor , Major Dimensions and weights Minor N Minor H Major N Major H... -
Page 7: Performance Curves
Installation, care and maintenance Minor , Major Performance curves Each pump is tested in accordance with ISO 9906. Minor N, 50 Hz Minor H, 50 Hz [hp] / [kW] [hp] / [kW] Head [ft] / [m] Head [ft] / [m]... - Page 8 Installation, care and maintenance Minor , Major Minor N, 60 Hz Minor H, 60 Hz [hp] / [kW] [hp] / [kW] 10,0 15,0 20,0 25,0 30,0 35,0 40,0 10,0 12,0 14,0 16,0 18,0 20,0 Head [ft] / [m] Head [ft] / [m]...
- Page 9 Installation, care and maintenance Minor , Major Major N, 50 Hz Major H, 50 Hz [hp] / [kW] [hp] / [kW] Head [ft] / [m] Head [ft] / [m] Capacity [l/s] / [usgpm] Capacity [l/s] / [usgpm]...
- Page 10 Installation, care and maintenance Minor , Major Major N, 60 Hz Major H, 60 Hz [hp] / [kW] [hp] / [kW] Head [ft] / [m] Head [ft] / [m] 300 350 Capacity [l/s] / [usgpm] Capacity [l/s] / [usgpm]...
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Page 11: Transportation And Storage
Installation, care and maintenance Minor , Major 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 12: Electrical Connections
Installation, care and maintenance Minor , Major Electrical connections All electrical work shall be carried out under the WARNING! supervision of an authorized electrician. All electrical equipment must Local codes and regulations shall be complied be earthed (grounded). This with. - Page 13 Installation, care and maintenance Minor , Major SUBCAB 4GX/SUBCAB AWG, ® ® 6-leads, Y or D SUBCAB 4GX/SUBCAB AWG, ® ® 9-leads, Y// or Yser...
- Page 14 Installation, care and maintenance Minor , Major 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.
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Page 15: Operation
Installation, care and maintenance Minor , Major Operation Before starting Cleaning Check the oil level in the oil casing. If the pump has been running in very dirty wa Remove the fuses or open the circuit breaker ter, let it run for a while in clean water, or fl ush and check that the impeller can be rotated by it through the discharge connection. -
Page 16: Care And Maintenance
Installation, care and maintenance Minor , Major Care and maintenance Safety precautions Inspection Regular inspection and preventive maintenance WARNING! ensure more reliable operation. The pump should be inspected at least twice a Before starting to work on the year, more frequently under severe operating pump or moving the pump, conditions. -
Page 17: 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 18 Installation, care and maintenance Minor , Major Recommended inspections: Inspection of Action Cable entry Make sure that the cable clamps are tight. If the cable entry leaks: — check that the entry is firmly tightened into its bottom-most position. — cut a piece of the cable off so that the seal sleeve closes around a new position on the cable.
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Page 19: Changing The Oil
Installation, care and maintenance Minor , Major 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 20: Removing The Impeller
Installation, care and maintenance Minor , Major Removing the impeller Remove the strainer, the suction cover and Oring. Lock the impeller with a screw driver or similar (L= min. 200 mm/7.9 inch), see fig. to prevent rotation of the impeller. -
Page 21: Installning The Impeller And Setting Clearance
Installation, care and maintenance Minor , Major Installing the impeller and setting clearance Make sure that the end of the shaft is clean and free from burrs. Polish off any flaws with fine emery cloth. Grease end of shaft, conical sleeve and the threads of the adjustment screw. - Page 22 Installation, care and maintenance Minor , Major Turn the adjustment screw clockwise until the impeller makes contact with the suction cover. Tighten it further 1/8 turn, 45 . This will ensure the correct clearance between the impeller and the suction cover in the next step.
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Page 23: Tools
Installation, care and maintenance Minor , Major 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 51 085 00... - Page 24 Grindex AB • Hantverkarvägen 24, Box 538, 136 25 Haninge, Sweden • Tel: +46 8 606 66 00 • Fax: +46 8 745 53 28 • marketing@grindex.com • www.grindex.com...
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