Table of Contents Table of Contents Introduction and Safety......................3 Introduction................... 3 Safety terminology and symbols............... 3 User safety.................... 4 Special hazards..................5 Protecting the environment..............6 Spare parts....................6 Warranty....................6 Transportation and Storage....................7 Inspect the delivery................7 Inspect the package................7 Inspect the unit...................
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Table of Contents Remove the impeller, alternative 3............37 Remove the impeller, alternative 4............39 Install the impeller, alternative 1............41 Install the impeller, alternative 2............42 Install the impeller, alternative 3............45 Install the impeller, alternative 4............51 Adjust the impeller................53 Replace the diffuser................
This includes any modification to the equipment or use of parts not provided by Grindex. If there is a question regarding the intended use of the equipment, please contact a Grindex representative before proceeding.
Introduction and Safety Hazard level Indication Notices are used when there is a risk of NOTICE: equipment damage or decreased performance, but not personal injury. Special symbols Some hazard categories have specific symbols, as shown in the following table. Electrical hazard Magnetic fields hazard Electrical Hazard: CAUTION:...
Introduction and Safety Subject area Requirements Service and repair • Inspections, service, and repairs are only allowed when the portable cable is disconnected from the power supply. • Work must be performed by trained personnel (preferably the manufacturer or agent) to ensure that the pump is restored to its original state of safety in regards to all flame-arresting paths.
• Sorting, recycling and disposal of solid or liquid waste • Clean-up of spills Exceptional sites CAUTION: Radiation Hazard Do NOT send the product to Grindex if it has been exposed to nuclear radiation, unless Grindex has been informed and appropriate actions have been agreed upon. Spare parts CAUTION: Only use the manufacturer’s original spare parts to replace any worn or faulty...
Transportation and Storage Transportation and Storage Inspect the delivery Inspect the package 1. Inspect the package for damaged or missing items upon delivery. 2. Note any damaged or missing items on the receipt and freight bill. 3. File a claim with the shipping company if anything is out of order. If the product has been picked up at a distributor, make a claim directly to the distributor.
Transportation and Storage temperatures below the freezing point. The recommended method to warm the unit up is to submerge it in the liquid which will be pumped or mixed. NOTICE: Never use a naked flame to thaw the unit. Unit in as-delivered condition If the unit is still in the condition in which it left the factory - all packing materials are undisturbed - then the acceptable temperature range during transportation, handling and storage is: –50°C (–58ºF) to +60°C (+140ºF).
Always follow the limits given in Application limits on page 62. If there is a question regarding the intended use of the equipment, please contact a Grindex representative before proceeding. DANGER: Explosion/Fire Hazard Special rules apply to installations in explosive or flammable atmospheres. Do not install the product or any auxiliary equipment in an explosive zone unless it is rated explosion-proof or intrinsically-safe.
Product Description Impeller type Wear resistant Poly-Life ® Version code 011/030/300: The pump is available with polyurethane wear parts for extra resistance. Monitoring equipment The following applies to the monitoring equipment of the pump: • The stator incorporates thermal contacts connected in series that activate the alarm at overtemperature.
Product Description Approvals Product approvals for hazardous locations Pump model Approvals Maxi 8107.590 MSHA: Mine Safety and Health Administration, USA. 30CFR Part 7, Approval number 07- JA090015-0 The MSHA approval plate 8107.011/.030/.300/.590 Maxi Installation, Operation, and Maintenance Manual...
Installation Installation Install the pump Before starting work, make sure that the safety instructions in the chapter Introduction and Safety on page 3 have been read and understood. DANGER: Electrical Hazard Before starting work on the unit, make sure that the unit and the control panel are isolated from the power supply and cannot be energized.
Installation Figure 1: Settling pump-sump Discharge line requirements The discharge line can be run vertically or horizontally, but must be without sharp bends. Proper horizontal and vertical installation Improper installation with a sharp bend Fasteners • Only use fasteners of the proper size and material. •...
Installation 4. Place the pump on the base and make sure it cannot fall over or sink. The base should consist of a plank, a bed of coarse gravel, or a cut-down and perforated oil drum. Alternatively, the pump can be suspended with a lifting chain just above the sump bottom.
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If the outer sheath of the cable is damaged, then replace the cable. Contact a Grindex service shop. • The voltage drop in long cables must be taken into account. The drive unit’s rated voltage is the voltage measured at the cable connection point in the pump.
Installation Ground (earth) conductor length The ground (earth) conductor must be 100 mm (4.0 in) longer than the phase conductors in the junction box of the unit. Product-specific precautions Short-circuit protection The short-circuit protection should be in accordance with the rated data shown on the data plate.
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Installation The prepared SUBCAB cable The prepared screened SUBCAB cable ® ® 1. T1+T2 twisted pairs in control element 1. T1+T2 and T3+T4 twisted pairs in control element 2. Drain wire in control element (bare copper wire) 2. Drain wire in control element (bare copper wire) 3.
Installation d) Twist all power core screens together to create a ground (earth) core and fit a cable terminal to the end. e) Check that the ground (earth) core is at least 10% longer than the phase cores in the cabinet. 5.
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Installation Part Description Screws Entrance flange Figure 4: Cable entry for version code 011 N and 030 L 1. Check the data plate to see which connections are required for the power supply: – Y – D – Y serial –...
Installation Connect the motor cable to the pump: Version code 590 Position number Description Position Description Hexagon head screw number Cable entry Minimum clearance 3.2 mm (0.13 in) Gland flange Cable strain relief Seal sleeve Figure 6: Cable strain relief Figure 5: Cable entry 1.
Installation Cable charts Connection locations T1 T2 T3 T4 L1 L2 L3 Starter equipment and main Coil leads (L1, L2, L3) Ground (earth) Transformer Functional ground Capacitor Control leads (T1, T2, T3, T4) Softstarter Phase shifter Level regulator Diode Contactor, start relay or thermal relay Motor cable Thermal detector in stator...
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Installation Code Description Green GNYE Green-Yellow Grey Blue Yellow 8107.011/.030/.300/.590 Maxi Installation, Operation, and Maintenance Manual...
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Installation View of terminal board and sensor connections 8124 Connection plate MAIN TERMINAL BOARD SENSOR TERMINALS SENSORS CONNECTION AT 4 LEADER PILOT CABLE THERMAL MAX 250v 8107 DETECTORS MAX 6A, cos =0,6 IN STATOR MAX 10A, cos =1 8108 THERMAL MAX 2,5V DETECTOR IN 8124...
Installation CAUTION: Crush Hazard The starting jerk can be powerful. Make sure nobody is close to the unit when it is started. Check the direction of rotation each time the cable has been re-connected and after phase or total supply failure. 1.
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Installation Figure 8: Start reaction 1. Connect the pump to power as follows: Condition Action The pump has a CEE plug with Connect the plug. internal phase shifter. The pump has a phase shifter with an Turn the knob on the phase shifter in on/off switch.
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Installation Condition Action The pump has a CEE plug with 1. Pull out the plug. internal phase shifter. 2. Shift two phases. 3. Wait until the motor has stopped. 4. Connect the plug. The pump has a phase shifter with an 1.
Operation Operation Precautions Before taking the unit into operation, check the following: • All recommended safety devices are installed. • The cable and cable entry have not been damaged. • All debris and waste material has been removed. NOTICE: Never operate the pump with the discharge line blocked, or the discharge valve closed.
Operation 3. Remove the fuses or open the circuit breaker, and check that the impeller can be rotated freely. WARNING: Crush Hazard Never put your hand into the pump housing. 4. Check that the monitoring equipment (if any) works. 5. Check that the impeller rotation is correct. 6.
Maintenance Maintenance Precautions Before starting work, make sure that the safety instructions in the chapter Introduction and Safety on page 3 have been read and understood. DANGER: Crush Hazard Moving parts can entangle or crush. Always disconnect and lock out power before servicing to prevent unexpected startup.
Maintenance Torque values All screws and nuts must be lubricated to achieve correct tightening torque. Screws that are screwed into stainless steel must have the threads coated with suitable lubricants to prevent seizing. If there is a question regarding the tightening torques, please contact the local sales and service representative.
Maintenance NOTICE: Shorter intervals may be required when the operating conditions are extreme, for example with very abrasive or corrosive applications or when the liquid temperatures exceed 40°C (104°F). Inspection Regular inspection and service of the pump ensures more reliable operation. Service item Action Visible parts on...
Maintenance Service item Action Cable 1. If the outer jacket is damaged, replace the cable. 2. Check that the cables do not have any sharp bends and are not pinched. Cooling system If the flow through the system has been partly restricted, then rinse and clean.
Maintenance 4. Fit the oil drainage tube (optional). The tube is included with the pump at delivery. 5. Turn the pump so that the oil hole faces downwards and let the oil run out into a container. Fill with oil 1.
Maintenance 1. Lay the pump on its side or turn it upside down. 2. Remove the strainer: a) Remove the nuts. b) Remove the strainer. 3. Remove the suction cover: a) Remove the nuts. b) Remove the washers. c) Remove the suction cover. d) Remove the O-ring.
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Maintenance 2. Remove the suction cover. 3. Remove the O-ring. 4. Loosen the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. b) Remove the impeller screw and the washer. 5. Remove the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar.
Maintenance c) Pull off the impeller. Remove the impeller, alternative 3 CAUTION: Cutting Hazard Worn parts can have sharp edges. Wear protective clothing. Table 7: Applicability Product code Pressure class Open or closed impeller 8107.011 Closed 1. Remove the strainer. 2.
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Maintenance Use pliers, a screwdriver, or similar. b) Remove the impeller screw and the washer. 5. Remove the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. b) Turn the adjustment screw counterclockwise until the impeller breaks free from the shaft.
Maintenance 7. Remove the inner diffuser. 8. Remove the upper diffuser. 9. Remove the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. b) Turn the adjustment screw counterclockwise until the impeller breaks free from the shaft. Use a 12 mm hexagon bit adapter (Allen socket) with a 100 mm (4 in) extension.
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Maintenance 2. Loosen the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. b) Remove the impeller screw and the washer. 3. Remove the impeller: a) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. b) Turn the adjustment screw counterclockwise until the impeller breaks free from the shaft.
Maintenance Install the impeller, alternative 1 Table 9: Applicability Product code Pressure class Open or closed impeller 8107.030 Open 8107.590 N, H Open 1. Prepare the shaft: a) Polish off any flaws with a fine emery cloth. The end of the shaft must be clean and free from burrs. b) Clean and grease all sealing surfaces and O-rings.
Maintenance 4. Fit the washer and the nut. For 8107.030, the fastener is a screw. 5. Tighten the impeller nut. For 8107.030, the fastener is a screw. Product code Tightening torque, Nm (ft-lb) 8107.030 76 (57) Tighten a further 1/8 turn, 45° after tightening to the correct torque.
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Maintenance 2. Align the edge of the adjustment screw with the edge of the conical sleeve so that they are flush. WS001759A 3. Grease the threads of the impeller screw and the washer. The proper lubrication of the screw and washer is lubricating grease for assembly of bolts etc., for example, Kluber ALTEMP Q NB 50 or equivalent.
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Maintenance 7. Mount the suction cover with its O-ring and tighten. Tightening torque: 76 Nm (57 ft-lb) 8. Turn the adjustment screw clockwise until the impeller makes contact with the suction cover. Tighten a further 1/8 turn, 45°. This will ensure the correct clearance between the impeller and the suction cover in the next step.
Maintenance The screw will be loaded to its yield point and the load capacity of the joint will be higher. e) Check that the impeller can rotate freely. 10.Mount the strainer and the nuts. Tightening torque: 76 Nm (57 ft-lb) Install the impeller, alternative 3 Table 11: Applicability Product code...
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Maintenance 1. Prepare the shaft: a) Polish off any flaws with a fine emery cloth. The end of the shaft must be clean and free from burrs. b) Coat the inner conic, the outer cylindrical surfaces, and the thread of the conical sleeve with a thin layer of grease.
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Maintenance 5. Assemble the upper conical sleeve and the upper impeller onto the shaft. 6. Mount the diffuser parts and tighten. 7. Mount the suction cover with its O-ring and tighten. Tightening torque: 76 Nm (57 ft-lb) 8. Turn the adjustment screw clockwise until the impeller makes contact with the suction cover.
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Maintenance 9. Remove the suction cover. 10.Remove the O-ring. 11.Align the edge of the lower adjustment screw with the edge of the lower conical sleeve so that they are flush. WS001759A 12.Assemble the lower conical sleeve and the lower impeller onto the shaft end of the upper impeller.
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Maintenance 13.Mount the suction cover with its O-ring and tighten. Tightening torque: 76 Nm (57 ft-lb) 14.Turn the lower adjustment screw clockwise until the lower impeller makes contact with the suction cover. Tighten a further 1/6 turn, 60°. This will ensure the correct clearance between the lower impeller and the suction cover in the next step.
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Maintenance 15.Fasten the impeller: a) Place the washer on the impeller screw. b) Lock the impeller to prevent rotation. Use pliers, a screwdriver, or similar. c) Tighten the impeller screw. Tightening torque: 76 Nm (57 ft-lb) d) Tighten a further 1/8 turn, 45°. The screw will be loaded to its yield point and the load capacity of the joint will be higher.
Maintenance Install the impeller, alternative 4 Table 12: Applicability Product code Pressure class Open or closed impeller 8107.011 N, H Open 8107.300 Open 1. Prepare the shaft: a) Polish off any flaws with a fine emery cloth. The end of the shaft must be clean and free from burrs. b) Coat the inner conic, the outer cylindrical surfaces, and the thread of the conical sleeve with a thin layer of grease.
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Maintenance WS001759A 3. Grease the threads of the impeller screw and the washer. The proper lubrication of the screw and washer is lubricating grease for assembly of bolts etc., for example, Kluber ALTEMP Q NB 50 or equivalent. 4. Check that the impeller screw is clean and easy to screw into the shaft end. This is to prevent the shaft from rotating with the impeller screw.
Maintenance Adjust the impeller Table 13: Applicability Product code Pressure class Open or closed impeller 8107.011 N, H Open 8107.030 Open 8107.300 Open 8107.590 N, H Open In order for the pump to perform at maximum capacity, the impeller must be adjusted regularly.
Maintenance 3. Fit the O-ring. Fit the washers also. 4. Press the suction cover against the impeller. 5. Tighten the adjusting nuts so that they lie flush against the suction cover. WS001825A 6. Back off all adjusting nuts another half turn (counter-clockwise). 7.
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Maintenance 2. Install the diffuser: a) Mount the diffuser. b) Fasten the diffuser with the screws and washers. Tightening torque: 160–200 Nm (120–150 ft-lb) 8107.011/.030/.300/.590 Maxi Installation, Operation, and Maintenance Manual...
• The sensor indicators do not indicate an alarm. • The overload protection is not tripped. If the problem still persists: Contact the local Grindex service shop. The pump does not start Check that: automatically, but can be • The start level regulator is functioning. Clean or started manually.
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• The sump in order to prevent the impeller from clogging again. If the problem persists, contact the local Grindex service shop. Always state the product number and the serial number of your pump when you contact Grindex, Product Description on page 9.
– If no glove or phase shifter is used, then shift two phase conductors in the cabinet. If the problem persists, contact the local Grindex service shop. Always state the product number and the serial number of your pump when you contact Grindex, Product Description on page 9.
The stop level is set too Raise the stop level. low. If the problem persists, contact the local Grindex service shop. Always state the product number and the serial number of your pump when you contact Grindex, Product Description on page 9.
• Or, disconnect and reconnect the power. WARNING: Crush Hazard Risk of automatic restart. If the problem persists, contact the local Grindex service shop. Always state the product number and the serial number of your pump when you contact Grindex, Product Description on page 9.
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• Depending on the installation type, add a means for priming the pump, such as a foot valve. If the problem persists, contact the local Grindex service shop. Always state the product number and the serial number of your pump when you contact Grindex, Product Description on page 9.
For specific weight, current, voltage, power rating, and speed of the pump, see the data plate on the pump. For starting current, see Motor data on page 62. For other applications, contact the nearest Grindex representative for information. Motor data Feature Description...
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Technical Reference 8107.011, 3-phase, 50 Hz, N, H Motor type: • 2,940 rpm • 37 kW (50 hp) Voltage, V Connection Rated current, A Starting current, 1000 8107.300, 3–phase, 50 Hz, H Motor type: • 2,910 rpm • 25 kW (34 hp) Voltage, V Connection Rated current, A Starting current,...
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Technical Reference 8107.030, 3-phase, 50 Hz, L Motor type: • 1,465 rpm • 30 kW (40 hp) Voltage, V Connection Rated current, A Starting current, 8107.011, 3-phase, 60 Hz, N, H Motor type: • 3,540 rpm • 43 kW (58 hp) Voltage, V Connection Rated current, A Starting current, A...
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Technical Reference Voltage, V Connection Rated current, A Starting current, A 8107.300, 3–phase, 60 Hz, H Motor type: • 3,510 rpm • 29 kW (39 hp) Voltage, V Connection Rated current, A Starting current, DSER DSER 8107.030, 3-phase, 60 Hz, L Motor type: •...
Technical Reference Specific motor data: Version code .590 3-phase, 60 Hz Motor type: • 3,540 rpm • 43 kW (58 hp) Voltage (V) Rated current (A) Starting current (A) 440 D 460 D 575 D Dimensions and weights 8107.011 SH 100 mm (3.9 in) 119 mm (4.7 in) ISO-G4A...
Technical Reference 8107.011 H and 8107.300 H 436 mm (17 in) WS009086A Figure 12: 8107.011 H, 8107.300 H Pump Weight without motor cable, kg (lbs) 8107.011 H 240 (530) 8107.300 H 285 (628) 8107.011 N and 8107.030 L 506 mm (20 in) WS009087A Figure 13: 8107.011 N, 8107.030 L...
Technical Reference Dimension A Dimension B 8 in (203 mm) (hose) 1302 mm (51.3 in) ISO-G6, NPT 6 1227 mm (48.3 in) ISO-G8, NPT 8 1217 mm (47.9 in) Pump Weight without motor cable, kg (lbs) 8107.011 N 280 (618) 8107.030 L 285 (628) 8107.590 H...
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