Alfa Laval Toftejorg TZ-79 Instruction Manual Download Page 33 | Manualshive

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Alfa Laval Toftejorg TZ-79 Instruction Manual Download Page 33

Maintenance and Repair

(continued)

Replacement of Collar Bushes

Removal of old Collar bushes

Mounting of new Collar bushes

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Summary of Contents for Toftejorg TZ-79

Page 1: ...TE91A350 EN9 ESE01798EN Date of issue January 8 2015 First published 1988 Covering Standard Machines Machines delivered with ATEX Certification in accordance with Directive 94 9 EC Original manual ww...

Page 2: ...www sks online com www sks webshop com...

Page 3: ...ce and Repair of ATEX Approved Machines 17 Preventive Maintenance 18 Top Assembly 20 Bottom Assembly 22 Hub Subassembly 24 Stem Subassembly 26 Gear Subassembly 28 Replacement of Collar Bushes 30 Repla...

Page 4: ...www sks online com www sks webshop com...

Page 5: ...this will help us to help you The type and serial number are placed on the gear house of the tank cleaning machine Note The illustrations and specifications contained in this manual were effective at...

Page 6: ...thout any warranty Improvements and changes to this Instruction Manual may at any time be made by Alfa Laval Kolding A S without prior notice Such changes will however be incorporated in new editions...

Page 7: ...ith or without normal documentation yyyy xxxxx serial number yyyy year xxxxx 5 digit sequential number Changes to the machine are not allowed without approval by the person responsible for the ATEX ce...

Page 8: ...which is displaced 1 8 of the mesh in the pattern After a total of 45 revolutions of the Hub with nozzles 43 revolutions of the machine body a complete cleaning pattern has been laid out and the first...

Page 9: ...D216 0 4x 9 4x 10 TE22D230 TE22D232 The machine is equipped with a clutch in the hub which gives the possibility of rotating by hand the nozzles when the machine is to be lifted out through a tank ope...

Page 10: ...i Recommended inlet pressure 3 8 bar 45 120 psi Working temperature max 95 200 F Ambient temperature 0 140 C 95 C 140 C when not operated Materials Stainless steel AISI 316 316L PTFE Tefzel PVDF Carbo...

Page 11: ...Technical data continued Flow rate www sks online com www sks webshop com...

Page 12: ...0 mm water column 50 lbs sq ft Effective throw length varies depending on jet transverse speed over surface substance to be removed cleaning procedure and agent The inlet pressure has been taken immed...

Page 13: ...Technical data continued Cleaning Time f complete Pattern 8 cycles www sks online com www sks webshop com...

Page 14: ...Machinery guidance and recommendations for the avoidance of hazards due to static electricity Electrical equipment such as magnetic valves and electric actuators must not be installed in Ex zones with...

Page 15: ...r pad under the machine and use rubber jaws on the vice Mount jaws upside down to ensure firm grip on the machine Set torque wrench at the specified tightening torque 2 Hold one nozzle with flat spann...

Page 16: ...aning solutions should never be allowed to dry or set up in the system due to possible salting out or scaling of the cleaning ingredient If cleaning media contains volatile chloride solvents it is rec...

Page 17: ...y earthed and grounded to the tank structure ATEX Warning In potentially explosive atmospheres the temperature must not exceed the maximum surface temperature according to the temperature class for th...

Page 18: ...ed in the cleaning solvent or for example the tank can be filled with nitrogen The basic rules are described in the guide CLC TR 50404 2003 Following a guidance document such as CLC TR 50404 2003 to e...

Page 19: ...ith the following labelling information must be attached to the machine Repair symbol R Alfa Laval logo and address Repair number Date of repair Machine serial number The tag must be laminated and att...

Page 20: ...rform all assembly disassembly steps in the order described in this manual Never assemble components without previous cleaning This is especially important at all mating surfaces Work in a clear well...

Page 21: ...Check that the machine is in operating condition by inserting hex Screwdriver tool No TE134A in screw in top of Turbine shaft and easily turn Turbine shaft clockwise If any resistance is recognized th...

Page 22: ...he Stem 5 Pull off Impeller pos 4 Reassembly 1 Reinstall Impeller pos 4 Make sure that Impeller is correctly rotated to be pushed onto Turbine shaft Do not try to hammer Impeller in position as this w...

Page 23: ...Maintenance and Repair continued Top Assembly www sks online com www sks webshop com...

Page 24: ...embly Reassembly 1 Reinsert Gear subassembly in bottom of machine body Mount Spring washers pos 16 and Screws pos 17 along circumference of Gear frame pos 31 Tighten screws crosswise Note Turbine shaf...

Page 25: ...Maintenance and Repair continued Bottom Assembly www sks online com www sks webshop com...

Page 26: ...they should be replaced as well as the Ball retainer with balls pos 27 How to replace Ball races see page 32 If blue liners on Stem are extremely worn they can be replaced This part requires that a pr...

Page 27: ...Maintenance and Repair continued Hub Assembly www sks online com www sks webshop com...

Page 28: ...ll races see page 32 If blue liners on Stem are extremely worn they can be replaced This part requires that a precise procedure is followed to accomplish installation It is highly recommended that an...

Page 29: ...Maintenance and Repair continued Stem Subassembly www sks online com www sks webshop com...

Page 30: ...l of Screw pos 17 Spring washers pos 16 and Washer pos 18 4 Draw out Pinion pos 11 and 2nd stage Worm wheel pos 13 also freeing Journal pos 15 after removal of Screw pos 17 Spring washer pos 16 and Wa...

Page 31: ...Check rotation 4 Insert Turbine shaft pos 7 Mount Washer pos 18 Spring washer pos 16 and fix with Screw pos 17 Use faces on Turbine shaft to hold against rotation when tightening screw 5 Hold Turbine...

Page 32: ...ear frame 90 and hold over support Knock out Collar bush with Pusher Warning To avoid risk of deforming Gear frame it is utmost important that it is supported while the Collar bushes are being knocked...

Page 33: ...Maintenance and Repair continued Replacement of Collar Bushes Removal of old Collar bushes Mounting of new Collar bushes www sks online com www sks webshop com...

Page 34: ...den block carefully hammer Ball race home Ball race must not project over endface of Main collar lower To avoid tilting mandrel must push along the whole circumference of Ball race Do not damage surfa...

Page 35: ...Maintenance and Repair continued Replacement of Ball races www sks online com www sks webshop com...

Page 36: ...Main collar 2 Carefully clean thread and recess in Body Do not damage special thread in Body Recess must be absolutely clean 3 Make sure that new Main collar is clean and free from impurities 4 Screw...

Page 37: ...Maintenance and Repair continued Replacement of Main Collars www sks online com www sks webshop com...

Page 38: ...ver 1 pcs TE135 Unbraco key for screw 1 pcs TE135A Unbraco screw driver 1 pcs TE462 Open end spanner 1 pcs Available on request TE81B031 Pusher for Gear frame TE81B032 Fixture set f Gear frame Sketch...

Page 39: ...Tools continued Sketch of tools for replacement of Main collars www sks online com www sks webshop com...

Page 40: ...er in supply line Foreign Material or Material Build up Insert hex Screwdriver in screw in top of Turbine shaft and easily turn Turbine shaft clockwise If any resistance is recognized disassemble mach...

Page 41: ...bushes See page 18 e Turbine shaft Check clearance in Main bush and in Slide bearing Transverse movement should not exceed 0 5 mm Also inspect worm wheel for wear f Horizontal shaft Check clearance i...

Page 42: ...part 20 TE622S 1 Bevel gear w ball race Stainless steel Spare part 20 1 TE126 1 1 Ball race Stainless steel Wear part 21 TE22D340 1 Hub cover w ball race Stainless steel Spare part 21 1 TE126 1 1 Bal...

Page 43: ...Cross Sectional Drawing www sks online com www sks webshop com...

Page 44: ...s Locking wire is only used in fixed version and can be disregarded Service Kit Minor for Toftejorg TZ 79 E gear Article No TE55M400 Part No Description No TE609P Main bush 1 pcs TE615K Collar bush 3...

Page 45: ...o TE911K Turbine shaft 1 pcs TE126 1 Ball race 4 pcs TE624 11 Hub liner 1 pcs TE448 Cotter pin 1 pcs TE126S Ball retainer w balls 2 pcs TE127Z1 Main collar upper 1 pcs TE127Z2 Main collar lower 1 pcs...

Page 46: ...achine Service and Repair Upon every return of a product no matter if for modifications or repair it is necessary to contact your local Alfa Laval office to guarantee a quick execution of your request...

Page 47: ...EC Declaration of conformity www sks online com www sks webshop com...

Page 48: ...of the user of this document to comply with all applicable intellectual property laws Without limiting any rights related to this document no part of this document may be copied reproduced or transmi...

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