IWAKI PUMPS APN-450 Instruction Manual Download Page 27

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1. Troubleshooting

Turn off power to stop operation upon sensing abnormalities. And then look for a root cause or

contact us as necessary.

States

Possible causes

Solutions

Pump does not run.

The pump is not powered.

Check wiring.

Motor failure

Replace with a new motor. Contact us.

Plumbing damage or poor connection

Repair plumbing as necessary, or secure

connection.

Wear of an eccentric shaft

Replace the con rod unit. Contact us.

Wear of the con rod unit bearing

Replace the con rod unit. Contact us.

Wear of motor bearings

Replace a motor with new one. Contact us.

Voltage reduction

Keep the rated voltage.

Suction line pressure is higher than atmos-

pheric pressure.

Keep the pressure at or below atmospheric

pressure.

Unintentional operation stop.

Motor failure

Replace with a new motor. Contact us.

Wear of the con rod unit bearing

Replace the con rod unit. Contact us.

Wear of motor bearings

Replace a motor with new one. Contact us.

Voltage reduction

Keep the rated voltage.

Suction line pressure is higher than atmos-

pheric pressure.

Keep the pressure at or below atmospheric

pressure.

Discharge line pressure is higher than the

specified one.

For the series head type, keep the pressure

equal to atmospheric pressure.

Reduction of air flow/dis-

charge pressure

Plumbing damage or poor connection

Repair plumbing as necessary, or secure

connection.

Pump head fixing screws are loose.

Tighten them at specified torque.

Diaphragm fixing screws are loose.

Tighten them at specified torque.

Diaphragm damage

Replace with a new one.

Clogging

Remove clogging.

Worn valves

Replace with new ones.

Bracket/Diaphragm fixing screws are loose. Secure them.

Abnormal noise

Pump head fixing screws are loose.

Tighten them at specified torque.

Diaphragm fixing screws are loose.

Tighten them at specified torque.

Diaphragm damage

Replace with a new one.

Bracket/Diaphragm fixing screws are loose. Secure them.
Wear of an eccentric shaft

Replace the con rod unit. Contact us.

Wear of the con rod unit bearing

Replace the con rod unit. Contact us.

Wear of motor bearings

Replace a motor with new one. Contact us.

Maintenance

Summary of Contents for APN-450

Page 1: ...u TEL 86 2084350603 FAX 2084359181 Spain IWAKI Europe GmbH Spain Branch TEL 34 933770198 FAX 934740991 China GFTZIWAKIEngineering Trading Beijing TEL 86 1064427713 FAX 1064427712 Sweden IWAKI Sverige AB TEL 46 851172900 FAX 851172922 Denmark IWAKI Nordic A S TEL 45 48242345 FAX 48242346 Switzerland IP Service SA TEL 41 266749300 FAX 266749302 Finland IWAKI Suomi Oy TEL 358 92745810 FAX 92742715 Ta...

Page 2: ...utline 1 Unpacking Inspection 5 2 Product outline 5 3 Specification 6 4 Dimensions 7 5 Performance curves 9 6 Overview 10 7 Exploded view 11 Installation 1 Before installation 16 2 Installation Tubing Electrical wiring 19 Operation 1 Before operation 23 2 Pump operation 23 Maintenance 1 Troubleshooting 25 2 Maintenance Inspection 26 3 Wear part replacement 27 This instruction manual should be kept...

Page 3: ...hich may result in death CAUTION Types of Symbols Indicates that Warning or Caution must be exercised Inside this triangle a con crete and practical image provided as a warning or caution message is depicted Indicates a prohibited action or procedure Inside or near this circle a concrete and practical image of the activity to be avoided is depicted Indicates an important action or procedure which ...

Page 4: ...tive clothing Always wear protective clothing such as safety goggles and protective gloves during pipework or dismantlement Do not touch the pump or pipe with bare hands The surface temperature of the pump or pipe rises high along with gas tem perature in or right after operation CAUTION Restriction on operators The pump should be handled by a qualified person with a full understanding Ventilation...

Page 5: ...with a heavy thing Do not place the pump close to water The pump is not dust water proof construction The use of the pump in a humid place or a place where the pump can get wet may result in electrical shock or short circuit Install an earth leakage breaker Risk of electrical shock Do not use the pump without an earth leakage breaker Purchase separately Damaged power cable Do not use any damaged p...

Page 6: ... 4 Outline 1 Unpacking Inspection 5 2 Product outline 5 3 Specification 6 4 Dimensions 7 5 Performance curves 9 6 Overview 10 7 Exploded view 11 ...

Page 7: ...outline The APN 450 is a diaphragm type air pump Principle of operation The rotary motion of the motor is converted through a connecting rod to the reciprocation of the diaphragm in the pump chamber where gas is transferred from the inlet to outlet Outline 1 Unpacking Inspection Flow direction Diaphragm reciprocation Flow direction Out In Discharge Suction Out In Con rod Diaphragm Model Air flow D...

Page 8: ...able gas temperature range is 0 40 C 3 Allowable ambient temperature range is 0 40 C 4 The air flow maximum discharge pressure and maximum vacuum are obtained when ambient tem perature is 20 C and change depending on gas characteristics and temperature fluctuation Wet end material Parts Type NAT NST Pump head ADC12 SUS304 Valve SUS631 CSP Diaphragm PTFE PTFE EPDM Retainer plate ADC12 SUS304 Filter...

Page 9: ... 7 4 Dimensions Aluminium pump head type APN 450 Single head type APN P450 Twin parallel heads type APN S450 Twin series heads type Outline 169 4 M5 Depth 10 4 M5 Depth 10 169 227 4 M5 Depth 10 227 169 ...

Page 10: ... 8 Outline Corrosive resistant stainless steel pump head APN 450 Single head type APN P450 Twin parallel heads type APN S450 Twin series heads type 4 M5 Depth 10 4 M5 Depth 10 4 M5 Depth 10 ...

Page 11: ... 88 0kPa abs 660 Torr Vacuum 101 3kPa abs 760 Torr Air flow L min Discharge pressure kgf cm Vacuum Torr Discharge pressure MPa Vacuum kPa abs Air flow L min Vacuum Torr Vacuum kPa abs Vacuum 48 0kPa abs 360 Torr Vacuum 61 3kPa abs 460 Torr Vacuum 74 6kPa abs 560 Torr Vacuum 88 0kPa abs 660 Torr Vacuum 101 3kPa abs 760 Torr Air flow L min Discharge pressure kgf cm Vacuum Torr Discharge pressure MPa...

Page 12: ...er cable Connect to corresponding termi nals through crimp connectors Specification label Use the pump according to the specifications on the label Pump unit Driven unit An installation location should be free from liquid spillage Inlet Outlet Base Be sure to anchor the pump through the bases Pump head Designed for gas transfer only Do not send liquid ...

Page 13: ... 65 Screw 4 2 Valve 2 37 Valve restraint 2 73 Hex socket head bolt 4 4 Diaphragm 1 38 Gasket 1 75 Hex socket head bolt 8 5 Retainer plate 1 39 Cover 1 77 Plug 4 8 Eccentric shaft 1 40 Motor 1 78 Hex socket head bolt 4 13 Bearing 1 54 Cover 1 102 Fitting 2 19 Connecting rod 1 60 Set screw 2 104 Seat 1 26 Filter option 1 61 Screw 2 150 Name plate Specification 1 29 Rubber foot 4 62 Screw 6 151 Name ...

Page 14: ...lve 4 37 Valve restraint 4 77 Plug 6 4 Diaphragm 2 38 Gasket 2 78 Hex socket head bolt 4 5 Retainer plate 2 39 Cover 2 100 Tube 1 8 Eccentric shaft 1 40 Motor 1 102 Fitting 4 13 Bearing 2 60 Set screw 2 104 Seat 2 19 Connecting rod 2 61 Screw 4 115 Joint 2 26 Filter option 2 62 Screw 12 150 Name plate Specification 1 28 Collar 1 63 Screw 8 151 Name plate Caution 1 29 Rubber foot 4 65 Screw 4 33 Ca...

Page 15: ... Cover 1 76 Hex socket head bolt 4 4 Diaphragm 1 40 Motor 1 77 Plug 2 5 Retainer plate 1 54 Cover 1 78 Hex socket head bolt 4 8 Eccentric shaft 1 60 Set screw 2 102 Fitting 2 13 Bearing 1 61 Screw 2 104 Seat 1 19 Connecting rod 1 63 Screw 4 150 Name plate Specification 1 29 Rubber foot 4 65 Screw 4 151 Name plate Caution 1 33 Case 1 70 Spring washer 4 152 Name plate IN 1 34 Base 1 73 Hex socket he...

Page 16: ...8 Gasket 2 77 Plug 2 4 Diaphragm 2 39 Cover 2 78 Hex socket head bolt 4 5 Retainer plate 2 40 Motor 1 100 Tube 1 8 Eccentric shaft 1 60 Set screw 2 102 Fitting 4 13 Bearing 2 61 Screw 4 104 Seat 2 19 Connecting rod 2 63 Screw 8 115 Joint 2 28 Collar 1 65 Screw 4 150 Name plate Specification 1 29 Rubber foot 4 70 Spring washer 8 151 Name plate Caution 1 33 Case 1 73 Hex socket head bolt 4 152 Name ...

Page 17: ... 15 Installation 1 Before installation 16 2 Installation Tubing Electrical wiring 19 ...

Page 18: ...ailure may result Handle the pump with care Do not install the pump in a place where the pump can get wet Avoid using wet gas or inter nal condensation will build up and consequently result in performance deterioration or the short lives of valves and a diaphragm Do not use the pump in a dusty place Be sure to provide one end of a suction line with a filter to prevent foreign matters from getting ...

Page 19: ... by line pressure Remove pressure before operation After a long period of stoppage pump performance at the beginning of opera tion becomes occasionally unstable In this case warm the pump up for 10 minutes with no dis charge line pressure Surface temperature may rise high in operation but it dose not mean failure Do not touch the pump body directly or place objects which may be deformed by heat cl...

Page 20: ...er pressure in the suction line Do not tube two or more pumps in series It may prevent the motor from starting and lead to a burn out Indoor use only This product is not dust water proof Do not install it out of doors in a humid place or a place where the pump can get wet Do not use solvents such as benzine alcohol thinner for maintenance or cleaning otherwise a coat discolours or comes off Do not...

Page 21: ...ambient humidity of 90 RH This product is designed for indoor use only 2 Choose an installation location where allows convenient access to dismantlement or inspec tion Place a rubber cushion under the pump to isolate it from vibration Anchor the pump through 8 thread holds beneath the base 3 Fit the rubber feet to the base when just placing the pump on a flat surface 4 Cut both ends of tubing flat...

Page 22: ...rt tubing with the minimum bends is opti mal to reduce resistance 3 Be sure to secure tube connection by using a screw band tube clamp in order to eliminate the possibility of leakage 4 In case of providing a discharge line to the pump outlet tube material should be heat resistant of 150ºC or more Hot gas may be discharged through the outlet depending on operating condi tions Heat resistant up to ...

Page 23: ... is disconnected before work 2 Wiring work should be done in accordance with relevant electric work requirements Use the recommend ed wiring accessories 3 Observe the rated voltage specified on the name plate 4 When an earth leakage breaker is used and has tripped always investigate and solve root causes before resuming operation Be sure to unplug the pump during investigation 5 Connect an earth w...

Page 24: ... 22 Operation 1 Before operation 23 2 Pump operation 23 ...

Page 25: ... Adjust air flow After the pump has reached a specified stroke rate initiate full scale operation Always adjust an air flow by the suction valve 5 Points to be checked during operation After starting check a pressure gauge to see if suction and discharge line pressure are correct and an air flow meter to see if the specified air flow is obtained Always adjust air flow by a suction valve Keep a suc...

Page 26: ... 24 Maintenance 1 Troubleshooting 25 2 Maintenance Inspection 26 3 Wear part replacement 27 ...

Page 27: ...uction Keep the rated voltage Suction line pressure is higher than atmos pheric pressure Keep the pressure at or below atmospheric pressure Discharge line pressure is higher than the specified one For the series head type keep the pressure equal to atmospheric pressure Reduction of air flow dis charge pressure Plumbing damage or poor connection Repair plumbing as necessary or secure connection Pum...

Page 28: ...nce Visual or audio inspection Visual or audio inspection 3 Air leak or ingress from pump head joints and a suction line Tighten a loose joint Air flow meter pressure gauge or visual inspection 4 Pump and motor surface tem perature rise Pump and motor surface tem perature should be at or below a total of ambient temperature plus 50 C Thermometer Wear parts If pump performance has remarkably reduce...

Page 29: ...emperature of the pump or pipe gets high in or right after operation Wear protective clothing Always wear protective clothing such as safety goggles and protective gloves during pipework or dismantlement Do not get wet with dripping residual liquid in disconnection Before dismantlement a Turn off power to stop the pump Then start to remove wiring including an earth wire b Remove the pump from plum...

Page 30: ...ith a 3mm hexagon wrench and take out a retainer plate seat and dia phragm 4 Place a new diaphragm onto the connecting rod 5 Place a new seat and retainer plate onto the dia phragm Apply locking agent LOCKTITE No 222 or equivalent to the thread of the screws and tighten them with a 3mm hexagon wrench by 3 4N m to fasten these parts onto the connecting rod 6 Press down the diaphragm until it bottom...

Page 31: ...nd secure the cover with the mounting screws by 2 8N m Do not forget to attach the gasket or catch it in the cover 6 Press down the diaphragm until it bottoms out and then mount the pump head with 4 hexagon socket head bolts Tighten hexagon socket head bolts in diagonal order until they bottom out 7 Follow the same step for the other pump head of the twin heads type Replace an optional filter with...

Page 32: ...ith a 3mm hexagon wrench and take out a retainer plate seat and dia phragm 4 Place a new diaphragm onto the connecting rod 5 Place a new seat and retainer plate onto the dia phragm Apply locking agent LOCKTITE No 222 or equivalent to the thread of the screws and tighten them with a 3mm hexagon wrench by 3 4N m to fasten these parts onto the connecting rod 6 Press down the diaphragm until it bottom...

Page 33: ...new gasket onto the pump head and secure the cover with hexagon socket head bolts Tighten hexagon socket head bolts in diagonal order until they bottom out 5 Press down the diaphragm until it bottoms out and then mount the pump head with 4 hexagon socket head bolts Tighten hexagon socket head bolts in diagonal order until they bottom out Hexagon socket head bolt Pump head Valve Valve restraint Scr...

Page 34: ... 32 ...

Page 35: ... 33 ...

Page 36: ...u TEL 86 2084350603 FAX 2084359181 Spain IWAKI Europe GmbH Spain Branch TEL 34 933770198 FAX 934740991 China GFTZIWAKIEngineering Trading Beijing TEL 86 1064427713 FAX 1064427712 Sweden IWAKI Sverige AB TEL 46 851172900 FAX 851172922 Denmark IWAKI Nordic A S TEL 45 48242345 FAX 48242346 Switzerland IP Service SA TEL 41 266749300 FAX 266749302 Finland IWAKI Suomi Oy TEL 358 92745810 FAX 92742715 Ta...

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IWAKI PUMPS APN-450, Instruction Manual

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