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2. Maintenance & Inspection

■ Daily inspection

Pay attention to the following items during operation. Stop operation on sensing danger and solve problems

on the Troubleshooting section.

No.

States

Points to be checked

How to check

1 Operation

● If air is pumped.
● If the suction and discharge

pressure are normal.

● If power voltage and current are

normal.

● Air flow meter, pressure gauge

or visual inspection

● See a spec label.

2 Starting

● If abnormal noise or vibration

occurs. They are signs of abnor-
mal operation.

● A baseplate, if installed, under

the pump may resonate with
operation, making a mechanical
noise. Insert a rubber cushion as
necessary to reduce resonance.

● Visual or audio inspection

Air leak or ingress from pump
head joints and a suction line

● Tighten a loose joint.

● Air flow meter, pressure gauge

or visual inspection

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 reduced, replace diaphragms and valves with new ones.

Wear part duration varies with the pressure, temperature and characteristics of liquid.

The estimated life below is calculated based on continuous operation with clean water at ambient tempera-

ture (Room temperature range is 0-40°C.).

Model

Load range

Estimated life

Valve

Diaphragm

Seat

Gasket

Filter (Option)

450

APN- P450 NAT-NATX

S450

All range

8000

4000

450

APN- P450 NST-NSTX

S450

8000

4000

Maintenance

Содержание APN-450

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

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

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 34: ... 32 ...

Страница 35: ... 33 ...

Страница 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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