IWAKI PUMPS EJ-B Instruction Manual Download Page 41 | Manualshive

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Wear part replacement

Valve set replacement

■ Discharge valve set disassembly/assembly

Necessary tools

•

Adjustable wrench or spanner

•

21mm box wrench

•

A pair of tweezers

*Unfix the pump base before disassembly.

Loosen the fitting nut to remove a dis-
charge tube and an air bleed tube.

NOTE

Wash out residual liquid or substances.

Turn the lock nut anticlockwise by
an adjustable wrench and remove
the air vent body A.

1

2

Fitting nut

Air bleed tube

Discharge tube

Lock nut

Air vent body A

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Summary of Contents for EJ-B

Page 1: ...LTD TEL 44 1743 231363 FAX 44 1743 366507 China Guangzhou GFTZ IWAKI Engineering Trading Co Ltd TEL 86 20 84350603 FAX 86 20 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 044...

Page 2: ...oblem or inconsistency is found immediately contact your distribu tor a Check if the delivery is correct Check the nameplate to see if the information such as model codes dis charge capacity and disch...

Page 3: ...oduction 12 Pump structure Operating principle 12 Features 13 Operational functions 13 Manual mode 13 Part names 14 Pump 14 Operational panel 15 Basic displays Pump states 16 Identification codes 17 I...

Page 4: ...th or more 32 Operation programming 33 Programming flow 33 Manual operation 34 Keypad lock 35 Keypad lock activation 35 Keypad lock release 35 Maintenance 36 Troubleshooting 37 Inspection 38 Daily ins...

Page 5: ...w 47 Pump head Drive unit 47 Pump head 48 Specifications Outer dimensions 49 Specifications 49 Pump unit 49 Control unit 50 Power cable 50 Pump colour 50 Outer dimensions 51 EJ B09 B11 B16 B21 VC VH 5...

Page 6: ...ing the use of Caution Pro hibited actions or specific Requirements Indicates mishandling could lead to personal injury or property damage CAUTION Caution marks Prohibited mark Requirement mark Electr...

Page 7: ...of risk It is not the manufacturer s responsibility for any failure or injury resulting from alterations to the pump Wear protective clothing Always wear protective clothing such as an eye protection...

Page 8: ...or degassing Otherwise the pump head fixing screws may loosen and liquid may leak Optimise your system If the pump runs dry for a long period for more than 30 minutes the pump head and the valve cases...

Page 9: ...parts Do not disassemble the pump beyond the extent of the instructions Do not use a damaged pump Use of a damaged pump could lead to an electric shock or death Disposal of a used pump Dispose of any...

Page 10: ...esn t vibrate If the pump is not installed level output may be affected When two or more pumps are installed together vibration may be significant resulting in poor performance or failure Select a sol...

Page 11: ...ay leak or piping may break Install a relief valve to ensure safety and prevent damaged plumbing Solution in the discharge line may be under pressure Release the pressure from the discharge line befor...

Page 12: ...is directly driven by elec tromagnetic force Principle of operation The pulse signal via the PCB generates the electromagnetic force to make reciprocating motion with the assistance of the spring for...

Page 13: ...65 equivalent This pump is not waterproof Protect the pump with a cover when installing it out of doors Operational functions Manual mode Run stop the pump by the start stop key A stroke rate MAN spe...

Page 14: ...ure to return the tube end to a supply tank or a container A circumferential direction of the port can be changed up to 90 degrees counterclockwise from the original position Adjusting screw Used for...

Page 15: ...value rises faster The EJ doesn t have the DOWN key so if you want a lower spm first get to the max 360 spm and then push this key once The spm will return to 1 Display Stroke rate and operational sta...

Page 16: ...MAN mode A current spm flashes not in sync with a pump shot Keypads are locked and any key operation is cancelled The pump is in maintenance mode When extending the dia phragm the display flashes Part...

Page 17: ...t Diaphragm VC PVC Alumina ceramic FKM FKM PTFE PTFE EPDM dry end VH HC276 EPDM EPDM TC PVDF Alumina ceramic FKM FKM Material code PVC Transparent polyvinyl chloride HC276 HASTELLOY C276 FKM Fluorine...

Page 18: ...ble material near the pump Do not use a damaged pump Use of a damaged pump could lead to an electric shock or death Pump mounting Select an installation location and mount the pump Necessary tools Fou...

Page 19: ...pter in the fit ting Then hand tighten the fitting nut c Retighten the fitting nut by turning it further 180 degrees with an adjust able wrench or spanner crush tube mount Do not use excessive force t...

Page 20: ...vent port direction The air vent port can rotate 90 de grees a Turn the lock nut anticlockwise b Adjust the direction of the air vent port c Hand tighten the lock nut holding the air vent body A d Tu...

Page 21: ...uction side liquid level is higher than a discharge side or an injection point at atmospheric pressure A discharge side liquid level is higher than a suction side but the distance is 5m or below A suc...

Page 22: ...ite In the nature of the pump the lower discharge pressure the higher discharge capacity and vice versa If you want to observe the max discharge capacity at any low level of system discharge pressure...

Page 23: ...not perform wiring work while electric power is ON Otherwise an electrical shock or a short circuit may result Be sure to turn off the power before wiring work Be careful for the power not to be turne...

Page 24: ...y power sharply Do not apply gradually Surge voltage The electronic circuit in this pump may fail due to surge voltage Do not place the pump close to a high power device of 200V or more which may gene...

Page 25: ...ity should be 5A or more Contact point may fail if it is less than 5A If a mechanical relay with the contact capacity of 5A is used the maxi mum allowable ON OFF operation is about 150 000 times The c...

Page 26: ...connected and is free from leakage and clogging Discharge suction valves are opened A power voltage is in the allowable range Electrical wiring is correct and is free from the risk of short circuit an...

Page 27: ...ained with gas in the pump Conduct degassing in the following cases When the pump starts to run for the first time When a flow rate is too low After liquid is replaced in a supply tank After a long pe...

Page 28: ...e or condition Use the UP key to set a stroke rate to 360spm This programming is not necessary when the display already shows 360 Move to the next step If the key is pressed and held the spm will quic...

Page 29: ...p key and stop the pump Rotate the adjusting screw clockwise to close the air vent port Check liquid is discharged Degassing is required again if the pump does not discharge liquid Check connections f...

Page 30: ...m 1 to 360spm The relation between a flow rate and a stroke rate is shown as below Turn on power and call up manual mode Enter manual mode to indicate a stroke rate on the screen Determine a stroke ra...

Page 31: ...key for three seconds for quick increment Quick increment stops at 360spm 360spm skips to 1spm when the key is released and pushed once Measure a flow rate If a flow rate is lower than a specified le...

Page 32: ...mp by key operation and wait for three seconds before unplugging the pump Otherwise the last key operation may not be put in memory In this case the pump unintentionally starts to run as powered on di...

Page 33: ...timal operation Programming flow The maintenance mode is used for the replacement of a diaphragm Power ON while the UP key is pressed The maintenance mode will come up after 3 seconds Display flashes...

Page 34: ...de or condition Use the UP key to set a stroke rate spm increases as pushing the UP key Press and hold the key for three seconds for quick increment Quick increment stops at 360spm 360spm skips to 1sp...

Page 35: ...t acceptable when the keypads are locked In an emergency unplug the pump to stop operation Plugging in the pump keypads are locked again Keypad lock activation Press and hold the start stop key for th...

Page 36: ...a face shield during disassembly assembly or maintenance work The specific solution will dictate the degree of protec tion Refer to MSDS precautions from the solution supplier Risk of electrical shock...

Page 37: ...alves Dismantle inspect and clean the valves Replace as necessary A ball valve is stuck on a valve seat Dismantle inspect and clean the valve Replace as necessary A flow rate fluctuates Air stays in t...

Page 38: ...mal Check specifica tions If liquid has deteriorated crystallized or precipitated Visual or audio inspection 2 Noise and vibration If abnormal noise or vibration occurs They are signs of abnormal oper...

Page 39: ...ischarge line before disconnecting plumbing or disassem bly of the pump to avoid solution spray Rinse wet ends thoroughly with tap water Each time the pump head is dismantled replace the diaphragm O r...

Page 40: ...r vent port NOTE Do not rotate it three revolutions or more Otherwise the adjusting screw may come off with solution spray Check the discharge line and the pump head are depressurized Liquid pressure...

Page 41: ...mm box wrench A pair of tweezers Unfix the pump base before disassembly Loosen the fitting nut to remove a dis charge tube and an air bleed tube NOTE Wash out residual liquid or substances Turn the lo...

Page 42: ...r vent body B through the lock nut Be careful not to misarrange the valve set or place upside down Otherwise leakage or flow rate reduc tion may result Do not forget to fit O rings and gaskets Keep th...

Page 43: ...of tweezers Place a new valve set into the fitting Hand tighten the fitting into the pump head as far as it will go Retighten it by a further 1 4 turn with an adjustable wrench or a spanner Be careful...

Page 44: ...location Note that the number of diaphragm spacers varies with pump model Do not access the pump in or right after operation Wait until the drive unit of the pump cools down Loosen the fitting nuts a...

Page 45: ...t extended for 10 minutes or more Push the UP key again to retract the shaft once the time has passed Rotate and remove the diaphragm from the plunger pump shaft Slide a retainer and diaphragm spacer...

Page 46: ...e pump shaft to the minimum Push the start stop key to enter the WAIT mode Mount the pump head Tighten the pump head fixing bolts evenly to 2 16N m in diagonal order A hexagon wrench can be used for a...

Page 47: ...ploded view Pump head Drive unit The pump in the diagram below is completely dismantled Do not dismantle the pump beyond the extent shown in this instruction manual Valve set Pump body Retainer Diaphr...

Page 48: ...t 4 11 Valve 4 12 Valve gasket 2 13 O ring 2 14 Diaphragm spacer 15 Hex socket head bolt PW SW 4 16 Adjusting screw 1 18 O ring P4 1 19 O ring P10A 1 20 O ring P10 1 24 Hose stopper 3 25 Hose adaptor...

Page 49: ...8 1 5 EJ B11 1 8 30 1 0 EJ B16 3 0 50 0 6 EJ B21 4 8 80 0 3 The above information is based on pumping clean water at rated voltage and ambient temperature Flow rates were collected at the maximum dis...

Page 50: ...of 90 264VAC Otherwise failure may result Asian power cable Conduction section area 0 75 mm2 triplex cable Length 2000 mm Standard H03VV F Terminal treatment Power line Spade terminal V1 25 YS4A or eq...

Page 51: ...51 Specification Specifications Outer dimensions Outer dimensions EJ B09 B11 B16 B21 VC VH LOCK IN AIR OUT 96 195 219 18 160 47 24 76 5 36 5 194 6 2 88 9 16 5 10 32 5 100...

Page 52: ...52 EJ B11 B16 B21 TC LOCK IN AIR OUT 96 194 2 220 19 159 48 24 76 5 36 5 195 6 2 88 9 16 5 10 32 5 100 Specifications Outer dimensions...

Page 53: ...53 Specification Specifications Outer dimensions...

Page 54: ...54...

Page 55: ...55...

Page 56: ...LTD TEL 44 1743 231363 FAX 44 1743 366507 China Guangzhou GFTZ IWAKI Engineering Trading Co Ltd TEL 86 20 84350603 FAX 86 20 84359181 Italy IWAKI Europe GmbH Italy Branch TEL 39 0444 371115 FAX 39 044...

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