IWAKI PUMPS MX-F250 Instruction Manual Download Page 28 | Manualshive

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Maintenance

1. Troubleshooting .................................. 27

2. Maintenance & Inspection................... 28

3. Spare & Wear parts ............................ 31

4. Dismantlement & Assembly ................ 32

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Summary of Contents for MX-F250

Page 1: ... 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 0444 335350 U S A IWAKI America Inc TEL 1 508 429 1440 FAX 1 508 429 1386 China IWAKI Pumps Shanghai Co Ltd TEL 86 21 6272 7502 FAX 86 21 6272 6929 Spain IWAKI Europe GmbH Spain Branch TEL 34 93 37 70 198 FAX 34 93 47 40 991 Argentina IWAKI America Inc Argentina Branch TEL 54 11 4745 4116 Korea IWAKI Korea Co Ltd TEL 82 2 263...

Page 2: ...ons 2 Outline 1 Unpacking Inspection 6 2 Product outline 6 3 Model code 7 4 Specification 8 5 Dimension 8 6 Part names 9 7 Overview 12 Installation 1 Before installation 14 2 Installation Pipework Wiring 16 Operation 1 Operational precautions 23 2 Before operation 24 3 Operation 24 Maintenance 1 Troubleshooting 27 2 Maintenance Inspection 28 3 Spare Wear parts 30 4 Dismantlement Assembly 32 This i...

Page 3: ...njury or property damage Observe the instructions accompanied with WARNING or CAUTION in this manual These instructions are very important for protecting users from dangerous situations The symbols on this instruction manual have the following meanings WARNING Nonobservance or misapplication of Warning sec tions could lead to a serious accident which may result in death CAUTION Types of Symbols In...

Page 4: ...lifting ropes chains break Check lifting ropes chains are strong enough before use Observe the maximum weight Use eye bolts Chain the pump via eye bolts to lift it up Otherwise the pump may acciden tally fall down resulting in serious injury Do not lift the pump by gripping any plastic parts pump unit flange or base The pump can drop unintentionally as a plastic part breaks resulting in seri ous i...

Page 5: ...directly soak into the ground Observe applicable codes or regulations for waste chemical disposal Do not run pump dry Do not run pump dry Operation without liquid Friction heart builds up dur ing dry running operation and damages internal parts If the pump is operated with a suction side valve closed or without priming the pump runs dry Do not bring the pump close to a flammable substance Keep the...

Page 6: ...sive atmosphere such as chlorine gas Starting The pump doesn t have an ON OFF switch The pump starts as a power cable is plugged in Foreign matter When foreign matters enter the pump turn off power at once and remove them Using the pump with foreign matters may result in failure Pump disposal Any used or damaged pump must be disposed of in accordance with local laws and regulations as an incombust...

Page 7: ... 5 Outline 1 Unpacking Inspection 6 2 Product outline 6 3 Model code 7 4 Specification 8 5 Dimension 8 6 Part names 9 7 Overview 12 ...

Page 8: ... per order 2 Check for transit damage deformation and loose bolts Inlet Outlet 2 Product outline The MX F is a magnetic drive centrifugal pump with fluoroplastic and fine ceramic wet ends and is capable of handling a strong acid and alkali Principle of operation The magnetic force between drive and driven magnets rotates the impeller in the pump chamber where a liquid is transferred from the inlet...

Page 9: ...ing materials V FKM E EPDM A Aflas d Impellers T Specific gravity limit 1 2 V Specific gravity limit 1 5 50 Hz W Specific gravity limit 1 8 2 0 X Specific gravity limit 1 2 Y Specific gravity limit 1 5 60 Hz Z Specific gravity limit 1 8 2 0 e Motors No code Totally enclosed fan cooled motor for indoor use C Totally enclosed fan cooled motor for outdoor use A Increased safety motor f Motor power vo...

Page 10: ...X F402 MX F403 MX F 14 5kg 19 5kg 31 5kg 34kg MX F IE3 22kg 38kg 43kg 5 Dimension Model W H L a b c d e f g i MX F250 160 255 411 130 65 130 115 140 90 163 12 MX F251 160 255 444 130 65 130 115 140 90 163 12 MX F251 IE3 160 255 446 130 65 130 115 140 90 163 12 MX F400 140 225 411 110 54 98 95 130 87 150 12 MX F401 160 255 457 130 72 130 115 140 103 184 12 MX F401 IE3 160 255 459 130 72 130 115 140...

Page 11: ...Stainless steel M8 40 with PW SW 12 Hex soch head bolt 2 Stainless steel M8 50 with PW SW Stainless steel M8 50 with PW SW Stainless steel M8 50 with PW SW 13 Flange 2 CFRETFE CFRETFE CFRETFE 15 Motor 1 0 4kW 2P 3 phase 0 75kW 2P 3 phase 0 75kW 2P 3 phase 16 Base 1 GFRPP GFRPP GFRPP MX F250 F251 MX F401 No Names Q ty Materials Remarks Remarks CFV RFV KKV 18 Liner ring 1 Alumina ceramics 99 5 SiC 1...

Page 12: ... 21 Bearing 1 High density carbon Filled fluoroplastics 8 Magnet cap sule 1 Ferrite magnet CFRETFE 9 Hex socket set screw 2 Steel M8 10 22 Mouth ring 1 Filled fluoroplastics 11 Hex soch head bolt 4 Stainless steel M8 30 withPW SW 23 O ring 1 FKM JIS B 2401 G135 12 Hex soch head bolt 2 Stainless steel M8 40 withPW SW 24 O ring 2 AS568 129 13 Flange 2 CFRETFE 27 Hex soch head bolt 4 Steel M8 20 with...

Page 13: ...on Filled fluoroplastics 9 Hex socket set screw 2 Steel M8 10 10 Hex head bolt 4 Stainless steel M10 30 withSW 22 Mouth ring 1 Filled fluoroplastics 11 Hex soch head bolt 7 Stainless steel M10 55 withPW SW 12 Hex soch head bolt 1 Stainless steel M10 60 withPW SW 23 O ring 1 FKM JIS B 2401 G195 13 Flange 1 CFRETFE 24 O ring 1 AS568 136 14 Flange 1 CFRETFE 25 O ring 1 AS568 129 15 Motor 1 1 5 2 2kW ...

Page 14: ...runs in a correct direction Refer to page 24 2 Before opera tion Do not run pump dry label Operating the pump without liquid damages internal parts Base Be sure to fix the base Motor Drive unit The motor power is transmitted to the pump Pump nameplate Operate the pump in accordance with specifications CAUTION Wet a cloth with tap water and wring it out for cleaning the pump Use a neutral deter gen...

Page 15: ... 13 Installation 1 Before installation 14 2 Installation Pipework Wiring 16 ...

Page 16: ...ent temperature exceeds 40 ºC or falls below 0 ºC Ambient humidity exceeds 85 RH or falls below 35 RH Under a corrosive explosive atmosphere Except explosion proof type The pump is exposed to rain or liquid Except outdoor use type The pump is subject to vibration or dust CAUTION Do not run pump dry Do not run pump dry operation without priming water or with a suction valve closed Otherwise interna...

Page 17: ...ct us Temperature change Viscosity vapour pressure and corrosive nature vary with liquid temperature Always take account of temperature change Allowable liquid temperatrue 0 80 C clean water Allowable ambient temperature 0 40 C Allowable ambient humidity 35 85 RH NOTE Contact us for an allowable liquid temperature range at each liquid type Intermittent operation Frequent ON OFF operation damages t...

Page 18: ...part breaks resulting in seri ous injury Electrical wiring Electrical wiring and any work on power source must be performed by quali fied persons only We are not responsible for any injury and damage due to noncompliance with this notice Turning off power Caution 2 Installation Pipework Wiring Upon becoming aware of danger or abnormality during operation terminate work immediately and inspect solv...

Page 19: ... pump is installed above a liquid level suction lift application lay on a priming line and mount a foot valve to the bottom of a suction line NOTE The maximum suction lift varies with liquid characteristics specific gravity liquid tempera ture and suction line length Contact us for detail Outdoor use motors Indoor use motors can not be installed out of doors Outdoor use motors can also be used in ...

Page 20: ...between the pump and pipework Connect the pump to pipework via inlet and outlet flanges according to the tightening torque below The table is based on use of metal pipe flanges with rubber gaskets Tighten bolts diagonally at even torque Model Bolt size Tightening torque MX F250 F251 F400 F401 F402 F403 M16 20N m Piping load and momentum Try not to apply a heavy load to the inlet and outlet flanges...

Page 21: ...he pump between a pump inlet and the bent pipe Also have the curvature radius of the bent pipe larg est 5 Do not allow any arched line where air may be trapped A suction line should be laid on a rising gradient of 1 100 toward the pump 6 If the inlet I D of the pump is different from that of a suction pipe use an eccentric reducer pipe Upper side should always be level Air may be trapped if it is ...

Page 22: ...be equal to or larger than a pump inlet I D Suction lift application 10 One end of a suction line should always be at least 500 mm lower than a liquid level in a supply tank for the pre vention of air ingress 11 Provide a screen in a supply tank for the prevention of foreign matter interfusion Clean the screen periodically The distance between the end of a suction line and the bottom of a suction ...

Page 23: ...Several pumps are running in parallel 5 Install a gate valve on a discharge line to adjust a flow rate and to protect a motor from overload If you are to install a check valve as necessary it should be mounted in between the pump and the gate valve 6 Install a pressure gauge on a discharge line 7 Install an air vent line when a discharge line is laid long in a horizontal direction 8 Drain Install ...

Page 24: ... 22 Operation 1 Operational precautions 23 2 Before operation 24 3 Operation 24 ...

Page 25: ...a discharge valve fully closed in order to avoid water hammer Closed discharge operation should be within one minute If the pump runs with a discharge valve closed for a long time the liquid temperature inside the pump rises and damages the pump If power is interrupted while the pump is running switch off the pump immediately and close a discharge valve Take extra care for a discharge pressure not...

Page 26: ...mmediately within one sec ond switch off the power Supply power to run the pump only for checking a rotational direction The correct direction is indicated with an arrow on the motor Check if the motor fan smoothly stops after the power is turned off CAUTION The pump can be damaged when running in reverse rota tion for a long time If the motor fan does not stop smoothly internal parts may contact ...

Page 27: ...stance CAUTION In case of trouble turn off power immediately and solve problems See 1 Troubleshooting Stopping process Operation Procedure Remarks 1 Close a discharge valve gradually Do not close a discharge valve sharply whether manually or automatically Otherwise the pump may be damaged by water hammer action which tends to occur with a long a discharge line When using a solenoid valve set it to...

Page 28: ... 26 Maintenance 1 Troubleshooting 27 2 Maintenance Inspection 28 3 Spare Wear parts 31 4 Dismantlement Assembly 32 ...

Page 29: ...pocket in suction line Check and correct suction line Foreign matters are clogged at impeller inlet Remove foreign matters The readings of pres sure gauge vacu um gauge fluctuate Air ingress from a suction line or a sealing surface Check suction line con nections and retighten as necessary Discharge line clogs with foreign matters Remove foreign matters or scale from pump piping Vacuum is high but...

Page 30: ...e to time to keep it ready for operation at any time when needed 6 Check discharge pressure discharge capacity and motor power supply voltage to see if they do not fluctuate during pump operation See page 27 1 Troubleshooting as necessary Access limitation The magnet drive pump has a pair of strong magnets The strong magnet field could adversely affect the persons who are assisted by electronic de...

Page 31: ...tracks on an inner surface Cracks Wear of the rear thrust Contamination in rear casing Wear tracks on the rear end or side face of the magnet capsule Cracks on the rear end or side face of the magnet capsule Wear of the bearing Loose fit of the impeller unit Wear of the mouth ring Cracks Contamination in the impeller Impeller deformation Contamination Cracks Wear cracks and wear tracks on a liner ...

Page 32: ...in an initial operation phase but this is not abnormal Wear limit of mouth ring Check wear degree of the mouth ring NOTE The mouth ring is 2 mm 3m for F250 and F251 types forward from the impeller when shipped Before the step has reduced to 0 mm replace the impeller unit 3 Spare Wear parts Appropriate spare parts are necessary for a long period of continuous operation We recommend that wear parts ...

Page 33: ...34 MX0434 MX0441 MX0451 MX0460 K MX0423 MX0839 MX0435 MX0442 MX0452 MX0461 29 Impeller unit Y 60Hz R MX0689 MX0833 MX0700 MX0712 MX0724 MX0736 K MX0693 MX0838 MX0704 MX0716 MX0728 MX0740 29 Impeller unit Z 60Hz R MX0690 MX0835 MX0701 MX0713 MX0725 MX0737 K MX0694 MX0840 MX0705 MX0717 MX0729 MX0741 8 Magnet capsule unit CF High density carbon MX0424 MX0443 MX0424 MX0443 MX0453 MX0462 8 Magnet capsu...

Page 34: ...ump and its magnetic force may affect magnetic disks cards or wrist watches Do not bring them close to the pump Access limitation The magnet drive pump has a pair of strong magnets The strong magnet field could adversely affect the persons who are assisted by electronic devices such as the pacemaker Turn off power during maintenance work Risk of electrical shock Make sure a power source is turned ...

Page 35: ...e careful not to catch the finger in the impeller unit and the bracket 3 Detach the impeller unit from the magnet capsule unit as necessary Be careful not to damage the units a MX F250 F251 F400 F401 Slightly tap the back of the impeller unit by a plas tic hammer while holding the magnet capsule unit If it is hard to remove warm them in hot water about 90 C for five minutes Be careful not to get s...

Page 36: ...by using a bar After the lock pins are removed detach the impel ler unit from the magnet capsule unit by slightly tapping the back of the impeller unit with a plastic hammer If the impeller unit is hardly removed warm it in hot water approx 90 C for five minutes and tap the back slightly Be careful not to scald in hot water The impeller unit can not be separated from the magnet capsule unit unless...

Page 37: ...Be careful not to get scalded with hot water b MX F402 F403 The mating surface on the magnet capsule unit has two hole sizes Large holes stepped holes with 6mm at outer dia 12mm at inner dia are for the lock pins and the small holes 3mm dia are for cooling Slide down the impeller unit into the mag net capsule as far as it will go locating the U shape holes under the smaller holes 3 mm dia If it is...

Page 38: ...ex wrench In this case turn the wrench anticlockwise Note these plastic pins may be broken if it is turned in reverse 2 Insert the combination of the impeller unit and the magnet capsule unit into the rear casing slowly Do not allow foreign matters such as iron pieces to adhere to the magnet capsule unit 3 Mount the rear casing with the combined units in it to the bracket CAUTION Magnet force is v...

Page 39: ...ove Mount the front casing to the rear casing along with a pair of mating parts except the F400 Note that the F402 and F403 have two pairs of them 5 Fasten the front casing to the motor bracket Tighten the hex socket bolts evenly Tightening torque is shown below Model Tightening torque MX F250 F251 F400 F401 11 8N m MX F402 F403 14 7N m Front casing Mating parts Rear casing ...

Page 40: ... 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 0444 335350 U S A IWAKI America Inc TEL 1 508 429 1440 FAX 1 508 429 1386 China IWAKI Pumps Shanghai Co Ltd TEL 86 21 6272 7502 FAX 86 21 6272 6929 Spain IWAKI Europe GmbH Spain Branch TEL 34 93 37 70 198 FAX 34 93 47 40 991 Argentina IWAKI America Inc Argentina Branch TEL 54 11 4745 4116 Korea IWAKI Korea Co Ltd TEL 82 2 263...

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