VAT 292 Series Installation, Operating, & Maintenance Instructions Download Page 15 | Manualshive

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Series 292

MAINTENANCE

603585EA

Edition 2015-05-18

15/31

6

Maintenance

WARNING

Unqualified personnel

Inappropriate handling may cause serious injury or property damage.

Only qualified personnel are allowed to carry out the described work.

WARNING

Hazardous components

Human body parts may get jammed and severely injured.

Before starting maintenance:
– disconnect compressed air supply
– disconnect electrical power supply

CAUTION

Hot surfaces

Risk of burning at valve with heater.

Touch hot surfaces only if the valve has cooled down.

NOTICE

Contamination

Product may get contaminated.

Always wear cleanroom gloves when handling the product.

NOTICE

Inappropriate tools

Sealing surfaces and valve plate may get damaged.

Do not use sharp-edged tools.

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Summary of Contents for 292 Series

Page 1: ...ions 603585EA Edition 2015 05 18 Angle valve with soft pump function with single acting pneumatic actuator and closing spring NC Series 292 DN 100 160 mm I D 4 6 This manual is valid for the following product ordering numbers 292 Sample picture ...

Page 2: ... duplicated or distributed without written permission from VAT Offenders are liable to pay damages The original VAT firmware and updated state of the art versions of the VAT firmware are intended for use with VAT products The VAT firmware contains a limited time unlimited user license The VAT firmware may not be used for purposes other than those intended nor is it permitted to make copies of the ...

Page 3: ...ection 12 4 4 Electrical connection 12 5 Operation 13 5 1 Normal operation 13 5 2 Operation under increased temperature 13 5 3 Behavior in case of compressed air pressure drop 13 5 4 Behavior in case of power failure 13 5 5 Trouble shooting 14 6 Maintenance 15 6 1 Maintenance intervals 16 6 2 Required tools 16 6 3 Replacement of vacuum seals 17 6 3 1 Preparatory steps 18 6 3 2 Replacement of vacuu...

Page 4: ...Series 292 4 31 Edition 2015 05 18 603585EA 10 Disposal 30 11 Spare parts 31 ...

Page 5: ... number Order number 1 2 Use of product Use product for clean and dry vacuum applications only Other applications are only allowed with the written permission of VAT 1 3 Related documents Product data sheet Dimensional drawing 1 4 Important information This symbol points to a very important statement that requires particular attention Example VAT disclaims any liability for damages resulting from ...

Page 6: ...tion Operating Maintenance Instructions are an integral part of a comprehensive documentation belonging to a complete technical system They must be stored together with the other documentation and accessible for anybody who is authorized to work with the system at any time 2 2 Danger levels DANGER High risk Indicates a hazardous situation which if not avoided will result in death or serious injury...

Page 7: ...Inappropriate handling may cause serious injury or property damage Only qualified personnel are allowed to carry out the described work 2 4 Safety labels Label Part No Location on valve DN 100 T 9001 155 DN 160 T 9001 156 On protective foil covering the valve opening 253198 On valve body or actuators Table 2 1 ...

Page 8: ...Plate seal soft pump valve 2 Plate seal main valve 3 Bellows 4 Closing spring 5 Bonnet seal soft pump valve 6 Bonnet seal main valve 7 Setting of the orifice opening 8 Shaft feedthrough Valve seat side Figure 3 1 3 2 Function Main and bypass valve are closing by a spring NC and opening pneumatically ...

Page 9: ... Make sure that the supplied products are in accordance with your order Inspect the quality of the supplied products visually If it does not meet your requirements please contact VAT immediately Store the original packaging material It may be useful if products must be returned to VAT The protective covers may only be removed immediately before the valve is mounted into the system Unprotected seal...

Page 10: ...ot surfaces Take safety measures in order that the valve cannot be touched during operation Ensure air circulation of coil NOTICE Contamination Product may get contaminated Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing surfaces may get damaged Do not use sharp edged tools 1 Check and carefully clean sealing surfaces of valve flanges and counter flanges 2...

Page 11: ... 1 Admissible forces and bending moments DN nom I D Axial tensile or compressive force FA Bending moment M mm inch N lbf Nm lbf ft 100 4 250 56 27 20 160 6 300 68 42 31 A combination of both forces FA and M is not allowed Please contact VAT Angle valve Table 4 1 ...

Page 12: ...according to the product data sheet and dimensional drawing 4 4 Electrical connection DANGER Electric shock Parts being under voltage will result in serious injury or death Do not touch parts being under voltage NOTICE Wrong voltage Electrical components may get damaged Supply electrical components with the correct voltage 1 Connect solenoid valve according to the product data sheet and dimensiona...

Page 13: ...ely injured Do not operate before product is installed completely into the vacuum system CAUTION Hot surfaces Risk of burning at valve with heater Do not touch hot surfaces 5 1 Normal operation Main and bypass valve are closing by a spring NC and opening pneumatically 5 2 Operation under increased temperature Maximum allowed temperature see product data sheet 5 3 Behavior in case of compressed air...

Page 14: ...ck electrical power supply and wiring Product data sheet No or wrong position indicator signal Position indicator connected correctly Check electrical power supply and wiring Product data sheet Leak at plate or body Contamination Clean or replace seals Chapter 6 3 Replacement of vacuum seals Table 5 1 If you need any further information please contact one of our service centers You will find the a...

Page 15: ...uman body parts may get jammed and severely injured Before starting maintenance disconnect compressed air supply disconnect electrical power supply CAUTION Hot surfaces Risk of burning at valve with heater Touch hot surfaces only if the valve has cooled down NOTICE Contamination Product may get contaminated Always wear cleanroom gloves when handling the product NOTICE Inappropriate tools Sealing s...

Page 16: ...r service centers You will find the addresses on our website www vatvalve com Contamination resulting from the process may impair the function of the valve and require more frequent maintenance 6 2 Required tools Allen wrench depending on valve size Torque wrench 1 Nm 20 Nm 35 Nm Cross screwdriver Slotted screwdriver Open end wrench 19 22 Cleanroom wiper soaked with alcohol 2 methyl ethyl ketone O...

Page 17: ...Series 292 MAINTENANCE 603585EA Edition 2015 05 18 17 31 6 3 Replacement of vacuum seals Figure 6 2 ...

Page 18: ...on page 17 1 Remove 4 screws 59 uniformly and crosswise Attention Loaded spring 2 Withdraw actuator plate assembly carefully from valve body 3 Remove bonnet seal O ring 64 from groove and discard it 4 Pull plate seal O ring 63 out of groove by picking it with a needle and discard it Do not damage the sealing surface 5 Remove setscrew 4 and clean it with alcohol 6 Remove circlip 5 and take out the ...

Page 19: ...nsion of 2 40 0 2 must be met 13 Put new plate seal O ring 63 on groove and press it crosswise into groove at 4 points 14 Press entire plate seal O ring 63 uniformly into groove 15 Mount new bonnet seal O ring 64 into groove 16 Insert actuator plate assembly carefully into the valve body Do not cant 17 Mount 4 screws 59 uniformly and crosswise in 2 to 3 steps Torque screws with 2 3Nm 18 Mount new ...

Page 20: ...embled to the actuator you may use the emergency operation knob on the solenoid valve to remain the valve opened Loosen and remove screws 60 uniformly and in crosswise order Withdraw actuator plate assembly carefully from body and vent the compressed air Remove bonnet seal 62 from groove by using an O ring removal tool Remove the plate seal 61 from groove by using O ring removal tool Loosen screws...

Page 21: ...using an O ring removal tool Remove seal 26 27 Loosen and remove screws 26 15 uniformly and in crosswise order Remove cylinder tube 26 4 carefully Remove seal 26 25 from groove by using an O ring removal tool Remove seal 26 26 from groove by using an O ring removal tool Loosen screw with an open end wrench 26 7 counter with open end wrench and remove screw and position indicator shaft 26 9 ...

Page 22: ...5EA Carefully pull the piston 26 3 from the shaft 26 2 Remove seal 26 22 from groove by using an O ring removal tool Carefully pull the flange 26 1 from the shaft 26 2 Remove seal 26 23 and 26 24 from groove by using an O ring removal tool Clean all parts ...

Page 23: ...6 2 uniformly and insert shaft carefully in flange 26 1 to avoid O ring damage 26 26 Insert O ring 26 26 in flange 26 1 26 25 N 6951 403 1 1 4 Create a lubricant depot in groove of piston 26 3 for O ring 26 25 and disperse lubricant uniformly 26 25 N 6951 403 0 2 0 4 Lubricate O ring 26 25 and put it into the piston groove 26 22 N 6951 403 0 1 0 1 Lubricate O ring 26 22 and put it into the piston ...

Page 24: ...e 26 16 Fasten screw 26 16 with a torque of 20 Nm 40 Put coil spring 40 into groove of cylinder cover 26 5 and rotate coil spring with a screwdriver approx 20 clockwise until end position stop is reached 41 N 6951 403 0 05 0 05 Disperse Loctite 243 on thread of switching cam 41 and tighten it with a torque of 1 Nm Lubricate the switching cam uniformly Dismount the nonreturn valve valve closes 42 M...

Page 25: ...epairs may only be carried out by the VAT service staff In exceptional cases the customer is allowed to carry out the repairs but only with the prior consent of VAT Please contact one of our service centers You will find the addresses on our website www vatvalve com ...

Page 26: ...s Human body parts may get jammed and severely injured Before dismounting the product disconnect compressed air supply disconnect electrical power supply WARNING Movable parts Human body parts may get jammed and severely injured Keep human body parts away from movable parts CAUTION Hot surfaces Risk of burning at valve with heater Touch hot surfaces only if the valve has cooled down NOTICE Contami...

Page 27: ... 8 2 Storage NOTICE Wrong storage Inappropriate temperatures and humidity may cause damage to the product Valve must be stored at relative humidity between 10 and 70 temperature between 10 C and 50 C non condensing environment NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product with care 1 ...

Page 28: ...the valve to VAT NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product with care When returning products to VAT please fill out the VAT form Declaration of Chemical Contamination and send it to VAT in advance The form can be downloaded from our website www vatvalve com If products are radioac...

Page 29: ...with protective covers or foils 2 Pack valve appropriately by using the original packaging material VAT disclaims any liability for damages resulting from inappropriate packaging 9 2 Transport NOTICE Inappropriate packaging Product may get damaged if inappropriate packaging material is used Always use the original packaging material and handle product with care VAT disclaims any liability for dama...

Page 30: ...DISPOSAL Series 292 30 31 Edition 2015 05 18 603585EA 10 Disposal WARNING Harmful substances Environmental pollution Discard products and parts according to the local regulations ...

Page 31: ...kes a difference between spare parts that may be replaced by the customer and those that need to be replaced by the VAT service staff Table 11 1 only contains spare parts that may be replaced by the customer If you need any other spare parts please contact one of our service centers You will find the addresses on our website www vatvalve com Description Part No Quantity per valve Maintenance proce...

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