CKD 4KA4 Instruction Manual Download Page 33

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[SM-215164-A/2]

−

MAINTENANCE

６

4KA420

・

4KB420

Item

No.

Parts name

Material

Qty

Remarks

①

Machine screws for
mounting switch

Steel

②

Grommet coil ass’y

③

Spring

Stainless steel

④

Plunger

Stainless steel

⑤

Machine screw

Steel

⑥

Manually operation
button

Resin

⑦

O ring

Nitrile rubber

⑧

Spring

Stainless steel

⑨

O ring

Nitrile rubber

⑩

Parallel pin

Stainless steel

⑪

Manually pushing
up pin

Resin

⑫

Pilot valve seat

Resin

⑬

Filter

Resin

⑭

Gasket

Nitrile rubber

⑮

Piston packing

Nitrile rubber

⑯

Piston

Resin

⑰

Socket headed bolt

Steel

⑱

Body

Aluminum alloy
die casting

4KB4

⑲

Body

Aluminum alloy
die casting

4KA4

⑳

Spool Ass’y

㉑

Bottom seat

Brass

㉒

O ring

Nitrile rubber

㉓

Spring

Stainless steel

㉔

Valve seat

Nitrile rubber

Summary of Contents for 4KA4

Page 1: ...ead this instruction manual carefully before using this product par ticularly the section describing safety Retain this instruction manual with the product for further consultation whenever necessary...

Page 2: ...ns Use for special applications requiring safety including nuclear energy railroad aviation ship vehicle medical equipment equipment or applications coming into contact with beverage or food amusement...

Page 3: ...responsible occurs within the above war ranty period a substitute or necessary replacement parts shall be provided free of charge or the product shall be repaired free of charge at the plant of CKD C...

Page 4: ...enoid valve system dry Take care to avoid direct contact with dripping water or splashes of cutting oil If the solenoid valve system is wet by a direct contact with water or cutting oil an electrical...

Page 5: ...ing and gaskets may deteriorate sooner than usual if used in an atmosphere with a higher than normal density of ozone for example the atmosphere near a beach or in an area with frequent thunder storms...

Page 6: ...irst time after completing the piping increase the air pressure gradually but never introduce a highly pressurized air suddenly A sudden introduction of a highly pressurized air may disconnect pipes a...

Page 7: ...e cylinder to be activated AIR QUALITY Section 5 3 a Do not supply anything other than compressed air b Supply clean compressed air without any mixture of corrosive gas a Compressed air usually contai...

Page 8: ...rm the ab sence of residual pressure The above is required to ensure safety Regularly perform the daily and periodic inspections to correctly maintain product performance If the product is not correct...

Page 9: ...nstallation 13 4 3 Piping 14 4 4 Wiring 18 5 OPERATING RECOMMENDATION 5 1 Function 23 5 2 Manual Operating Device 25 5 3 Air Quality 26 5 4 Electric Circuits 28 6 MAINTENANCE 6 1 Periodic Inspection 2...

Page 10: ...g and sub plate piping Manual operating device It uses in case of manual operation There are a non lock and a lock formula Wire connection It connections to the electric circuit Sub plate It is a bloc...

Page 11: ...80665 10 2 1 10 2 1 Note 1Pa 1N m2 1MPa 1N mm2 Pressure Pa kPa MPa bar kgf cm2 atm mmH2O mmHg or Torr 1 1 10 3 1 10 6 1 10 5 1 01972 10 5 9 86923 10 6 1 01972 10 1 7 50062 10 3 1 103 1 1 10 3 1 10 2...

Page 12: ...valves are ready to be con nected to the pipes the entry of foreign matter from the piping ports could cause the solenoid valves to fail or malfunction a Check the model number imprinted on the produ...

Page 13: ...lt Protect the solenoid valve system by using a cover or by installing it inside a paneled casing If the cylinder rod is splashed with cutting oil the oil may penetrate through the cylinder into the s...

Page 14: ...sphere with a higher ozone density 4 2 Installation When installing a solenoid valve unit never attempt to hold it in position by means of the pipes connected to it Mount the solenoid valve by applyin...

Page 15: ...g increase the air pressure gradually but never introduce a highly pressurized air suddenly A sudden introduction of a highly pressurized air may disconnect pipes at joints and or cause the tubes to j...

Page 16: ...in at the top end of the screw At this time do not apply the sealant to the female screw parts of the machine 4 3 2 Flushing Before connecting pipes flush the interiors of the tubes solenoid valves an...

Page 17: ...the outside diameter as well as the wall thickness and the hardness The hardness of an urethane tube should be 93 C or more as measured by a rubber hardness meter With a tube that does not have a suff...

Page 18: ...ead it out straight from the end of the joint for a length equal to or greater than the outside diameter of the tube The tension applied sideways through the tube should not exceed 40N 8 Blank plug to...

Page 19: ...sition not to mistake If it isn t correctly piped it causes the mal function unit 4 4 Wiring An electrical shock hazard exists during wiring or disas sembly or reassembly of the DIN terminal box Turn...

Page 20: ...he electrical circuit should have fuses 5 Be sure that the operation voltage is within 10 of the rated voltage 2 Wire connection Name Grommet standard Small terminal box Small terminal box with indica...

Page 21: ...with lead wire surge suppressor and indicator light Plug in connector D type without leadwire surge suppressor and indicator light Option code D D1 D2 D3 Shape Circuit Name Surge suppressor attached O...

Page 22: ...ished with bare wire tip without any terminal In sert the wire tip underneath the washer of loosening Screw then tighten Screw b Possible to reverse the port direction of case By removing Terminal sta...

Page 23: ...rminal made by CKD Caulking tool made by CKD Lead wire AWG22 to 25 0 16 to 0 38mm2 Terminal caulking Insert both caulked terminals into the slots farthest apart Insert a socket Insert a gasket and con...

Page 24: ...Sol a is actuated Illustrated P A B R2 R1 port is closed When Sol b is actuated P B A R1 R2 port is closed New position of the spool is held where it is even after the solenoid is deactuated 4KA430 4K...

Page 25: ...P A B R When Sol b is actuated P B A R New position of the spool is held where it is even after the solenoid is deactuated 4KB430 4KB440 4KB450 No signal current to 4KB430 Illustrated P A B R are clo...

Page 26: ...o OFF position 1 Manual operating device As this is a pilot solenoid valve the spool will not be switched by operating the manual override without an air supply to the P port 2 Non lock type manual op...

Page 27: ...on 5 3 1 Lubrication The 4KA4 4KB4 Series solenoid valve systems use pre lubricated valves that usually do not require lubrication from the outside If you have to lubricate a valve use Type 1 turbine...

Page 28: ...il wear of the sliding components of the pneumatic device may be acceler ated 2 Supply clean compressed air that does not include solid foreign matter 1 Solid foreign matter in the compressed air may...

Page 29: ...w A current leak larger than the allowable level may cause an erroneous valve operation 1 With a double solenoid type valve system energize the solenoid for at least 0 1 second even for an instantaneo...

Page 30: ...from the air filters 1 Checking the compressed air supply pressure Is the supply pressure at the specified level Does the pressure gauge indicate the specified pressure when the system is operating 2...

Page 31: ...reassembles a solenoid valve system needs to have a knowledge for safely per forming such operation based on the understanding about the mechanisms and operating principles of solenoid valves 6 2 1 S...

Page 32: ...26 Manually operation button Resin 1 O ring Nitrile rubber 1 Spring Stainless steel 1 O ring Nitrile rubber 1 Parallel pin Stainless steel 1 Manually pushing up pin Resin 1 Pilot valve seat Resin 1 F...

Page 33: ...O ring Nitrile rubber 2 Spring Stainless steel 2 O ring Nitrile rubber 2 Parallel pin Stainless steel 2 Manually pushing up pin Resin 2 Pilot valve seat Resin 2 Filter Resin 2 Gasket Nitrile rubber 2...

Page 34: ...ng Nitrile rubber 2 Parallel pin Nitrile rubber 2 Manually pushing up pin Resin 2 Pilot valve seat Resin 2 Filter Resin 2 Gasket Nitrile rubber 2 Piston packing Nitrile rubber 2 Piston Resin 2 Socket...

Page 35: ...stall pipe joints to A and B ports with diame ter equal to or smaller than that of to P port joint Valve is frozen Add remedies of avoiding freezing Heating system or dehumidifying system etc Delayed...

Page 36: ...cture Dust proof Manual operation device Non locking type Option Locking type Weight g 325 435 505 Electrical specifications Rated voltage V AC100V 50 60Hz AC200V 50 60Hz DC24V Starting current A 0 04...

Page 37: ...d valve 4KA4 series Nos of station 2 to 12 stations Manifold type Common supply common exhaust Electrical connections Grommet with lead wire Option Small terminal box Plug in connectors Port size Supp...

Page 38: ...60Hz DC24V Starting current A 0 046 0 042 0 023 0 021 0 075 Holding current A 0 023 0 021 0 014 0 011 Power consumption with indicator light W 1 6 1 3 1 8 1 5 1 8 2 0 Temperature rise 30 Voltage fluc...

Page 39: ...KB4 series Nos of station 2 12 stations Manifold type Common supply common exhaust Electrical connections Grommet with lead wire Option Small terminal box Plug in connectors Port size Supply port P Si...

Page 40: ...Small terminal box with surge suppressor and indicator light No option C Plug in connector C type 300mm f Voltage C00 500mm Code Description C01 1000mm AC100V AC100V 50 60Hz Standard C02 2000mm AC200...

Page 41: ...specifications by adding P11 to the end of model number Model number Voltage P11 Coolant proof specifications Selectable with option symbol A Model number A Voltage Copper and PTFE free Copper and PT...

Page 42: ...S Small terminal box with surge suppressor and indica tor light No option f No of stations C Plug in connector C type 300mm Code Description C00 500mm 2 2 stations C01 1000mm C02 2000mm 12 12 stations...

Page 43: ...f the required function see Table below and the arrangement no carry out numbering up to the speci fied no of stations with the left side station as no 1 as shown below Code Function 1 2 position sing...

Page 44: ...1 1000mm AC100V AC100V 50 60Hz Standard C02 2000mm AC200V AC200V 50 60Hz C03 3000mm DC24V DC24V C1 No option AC24V AC24V 50 60Hz Option C2 Plug in connector C type with surge suppressor and indicator...

Page 45: ...1 to the end of model number Model number Voltage P11 Coolant proof specifications Selectable with option symbol A Model number A Voltage Copper and PTFE free Copper and PTFE materials are not used fo...

Page 46: ...Code Description No code Grommet with lead wire 300mm No code No option 2 2 stations B Small terminal box No option S Surge suppressor attached Only grommet with lead wire L Small terminal box with i...

Page 47: ...and the arrangement no carry out numbering up to the speci fied no of stations with the left side station as no 1 as shown below Code Function 1 2 position single S1 S1 2 pos single operator 2 2 posit...

Page 48: ...450 4K9 143 4KB450 3 Coil assembly Function Model example All model common 4K3 Electrical connection option COIL Voltage 4 Sub plate kit Individual Function Model example 4KB4 4KB4 K 4KB410 SUB BASE K...

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