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Related Manuals for IWAKI PUMPS MDG-M4 series
Summary of Contents for IWAKI PUMPS MDG-M4 series
- Page 1 IWAKI Magnet Gear Pump MDG-M4 (built-in type) Instruction Manual Read this manual before use of product...
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Page 2: Table Of Contents
This instruction manual includes descriptions of the correct handling of the pump, maintenance and inspection procedures and troubleshooting. You are requested to read the manual carefully so that the pump can safely be used to the full extent of its capacity for a long period of time. Contents ■... -
Page 3: Safety Instruction
Safety Instruction Electrical Shock Cautio Warning Caution ● ● Turn off the power supply. Qualified operators only! Working without disconnecting the power supply may The pump operator and pump operation supervisor must cause an electrical shock. Before engaging upon any not allow any operators who have little or no knowledge Electrical Shock Caution... -
Page 4: ① Inspection After Unpacking
① Inspection after Unpacking Upon unpacking, check the following points to confirm that the product is what you have ordered. If you find anything wrong, please contact the dealer you placed your order with. Do the model of pump, discharge, discharge pressure, voltage, and other items shown on the nameplate correspond with those of the pump ordered by you? Is the product not damaged or are the nuts and bolts not loosened during delivery? Please examine by sight or touch. -
Page 5: ③ Pump Identification Codes
③ Pump Identification Codes MDG - M4 S 6 B 115 H ① ② ③ ④ ⑤ ① Represents the temperature range and viscosity limit of the liquid to be handled. S : Temperature .... between 0 and 50ºC Viscosity ....below 30mPa·s T : Temperature .... -
Page 6: ④ Names Of Parts And Structure
④ Names of Parts and Structure Name Number Name Number Motor Pump body Driving magnet ass̓ y 1 set Shaft spring Rear casing Screw M3 × 10 Magnet capsule Screw M4 × 35 Mounting plate Screw M3 × 25 Driving gear shaft Gasket Gear case unit 1 set O ring —... -
Page 7: ⑤ Precautionary Measures
⑤ Precautionary measures Do not operate the pump dry. The pump should not be operated dry or while the suction side is closed. This will wear out the gears and bearings. Range of liquid temperatures The pump can be used with liquids in the following temperature range. - Page 8 Do not use the pump for transferring Slurry liquid slurry liquid or liquid which begins to crystallize when stationary. Do not splash water on the motor. This may cause an electric leak or burning. Do not cover the motor unit tightly with a cover, etc.
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Page 9: ⑥ Installation, Piping And Wiring
⑥ Installation, Piping and Wiring Installation ■ Choose a place which has an ambient temperature below 40°C and a relative humidity less than 85%, and is convenient for maintenance and checking. The pump must not be installed outdoors without suitable protection. Flooded suction To prevent dry running, install the pump in a position lower than the surface of the liquid in the tank on the suction side (Flooded suction). - Page 10 For fixing the pump, use M6 small screw. In the event floor on which the pump is installed is resonant and causes a loud noise, fix the pump with rubber mountings. Piping ■ In order to reduce the friction resistance of liquid, the piping should be as short and with as few bends as possible.
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Page 11: ⑦ Operation
⑦ Operation Notes on Operation ■ Dry running is strictly prohibited. This will damage the inside of the pump. The pump should not be operated with closed valves. If this happens, the bearing will abnormally worn away. In case liquid which solidifies or causes precipitation is handled, the pump should be flushed clean when it is out of operation. - Page 12 Notes on During Operation ■ The following points must be checked while the pump is in operation. If something abnormal occurs, stop the operation immediately and take proper measures by referring to the section ‘‘Causes of Trouble and Troubleshooting’’ (Page 16). In case the pump still cannot be restored to normal condition, please contact your supplier.
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Page 13: ⑧ Maintenance And Inspection
⑧ Maintenance and Inspection Daily Inspection ■ Pay attention to the operating condition, referring to ‘‘Notes on Operation During Operation’’. When any of the consumable parts reaches its replacement time or the performance is noticeably lowered, substitute the gear case unit and the driving gear shaft with new ones. -
Page 14: ⑨ Disassembling And Reassembling
⑨ Disassembling and Reassembling Motor Pump unit Screw Disassembling Procedure ■ Unscrew 4 screws (29) to detach the pump unit from the motor unit. Unscrew the screws (28) and remove the mounting plate (7), rear casing (5) and magnet capsule (6) in this order. Unscrew the screws (30) and remove the gear unit (47), gasket (10), drive gear shaft (9) and shaft spring (20) in this order. - Page 15 Reassembling Procedure ■ Follow the disassembling steps in reverse, while attending to the following points. Position the gasket (19) corresponding to the gear case unit (47) as illustrated. In attaching the gear unit (47), tighten the small screws (30) uniformly. (Clamping torque : 1N·m) If the O ring is flawed, replace it with a new one.
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Page 16: ⑩ Causes Of Trouble And Troubleshooting
⑩ Causes of Trouble and Troubleshooting — —... -
Page 17: ⑪ Performance And Sizes
⑪ Performance and Sizes Performance ■ Motor Specifications Maximum Attainable Maximum Discharge Degree of Weight Rated Rated Rated Model of Pump Diameter Flow rate ( ℓ /min) Pressure Vacuum (kg) Voltage Current Output Type (MPa) kPa (abs.) 1 φ MDG-M4S6B115L 1.5/1.7 4/4.8 5.33 1 φ... - Page 18 Outer Sizes ■ ● Models MDG-M4 □ 2-Rc1/4 ● Models MDG-M4 □ H 2-Rc1/4 — —...
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Page 19: ⑫ Repair Service
⑫ Repair Service Repair ■ In case something unusual comes to your notice while you are using the pump, stop operation immediately and check whether anything is out of order. (Refer to the chapter on ‘‘Causes of Trouble and Troubleshooting’’.) For repair work, please contact us or the dealer with whom you placed your order. Before requesting repair, peruse this instruction manual again and recheck the product. - Page 20 IWAKI Norge AS TEL : (47)23 38 49 00 FAX : 23 38 49 01 China IWAKI Pumps (Guangdong) Co., Ltd. TEL : (86)750 3866228 FAX : 750 3866278 Singapore IWAKI Singapore Pte. Ltd. TEL : (65)6316 2028 FAX : 6316 3221 China GFTZ IWAKI Engineering &...
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