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Instruction Manual, Toftejorg TZ-66 

Page 5 

Standard machines and machines delivered with ATEX certification 
in accordance with Directive 94/9/EC 
IM-TE91A300-EN9 

If ordered with ATEX certificate: 

ATEX Marking 

The  Toftejorg TZ-66  is certified as category I components. The certification is carried out by the 
certified  body Baseefa, who has issued the certificate no. 10ATEX0188X. The marking on the ATEX 
certified Toftejorg TZ-66 is as follows: 

 

 

 

“TZ-xx”: TZ machine type 

 
Serial number explanation 

Machines supplied with 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 

certification at Alfa Laval Tank Equipment. If changes are made – or spare parts other than Alfa Laval 
original spare parts are used - the EC Type Examination certification (the ATEX Directive) is no longer 
valid.  
 

Important 

ATEX 

information: 

Also see page 17  regarding special conditions for repair of ATEX certified 
machines. 

 

 

Summary of Contents for Rodem Toftejorg TZ-66

Page 1: ...l Toftejorg TZ 66 IM TE91A300 EN9 ESE01795EN Date of issue January 8 2015 First published 1990 Covering Standard Machines Machines delivered with ATEX Certification in accordance with Directive 94 9 E...

Page 2: ......

Page 3: ...on 15 Special Conditions for Safe Use in accordance with the ATEX Certification Directive 94 9 EC 16 Maintenance and repair 17 Service and Repair of ATEX Approved Machines 17 Maintenance and Repair 18...

Page 4: ......

Page 5: ...e net of Distributors will be pleased to help you Please quote the type and serial number with all your enquiries this will help us to help you The type and serial number are placed on the gear house...

Page 6: ...ntended use Patents and trademarks This Instruction Manual is published by Alfa Laval Kolding A S without any warranty Improvements and changes to this Instruction Manual may at any time be made by Al...

Page 7: ...ftejorg TZ 66 is as follows TZ xx TZ machine type Serial number explanation Machines supplied with or without normal documentation yyyy xxxxx serial number yyyy year xxxxx 5 digit sequential number Ch...

Page 8: ...laid out on the tank surface During the following rounds this pattern is repeated 7 times each of which is displaced 1 8 of the mesh in the pattern After a total of 45 revolutions of the Hub with nozz...

Page 9: ...hine 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 opening Standard options Machines with PEEK we...

Page 10: ...EC IM TE91A300 EN9 Technical data Weight of machine 13 kgs 28 6 lb Working pressure 2 12 bar 30 175 psi Recommended inlet pressure 3 8 bar 45 120 psi Working temperature max 95 C 200 F Ambient temper...

Page 11: ...Instruction Manual Toftejorg TZ 66 Page 9 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Technical data continued Flow rate...

Page 12: ...hrow length upwards is approx 1 3 less Effective throw length is defined as impact centre of jet 250 mm water column 50 lbs sq ft Effective throw length varies depending on jet transverse speed over s...

Page 13: ...nual Toftejorg TZ 66 Page 11 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Technical data continued Cleaning Time f complete Pat...

Page 14: ...Page 12 Instruction ManualToftejorg TZ 66 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Blank page...

Page 15: ...ith national regulations for safety and other relevant regulations and standards Precautions shall be made to prevent starting of the cleaning operation while personnel are inside the tank or otherwis...

Page 16: ...ensure firm grip on the machine Set torque wrench at the specified tightening torque 2 Hold one nozzle with flat spanner to counteract while tightening the opposite nozzle with the torque wrench Reco...

Page 17: ...lush with water after use in case this can create hydrochloric acid Pressure Avoid Hydraulic shocks Put on pressure gradually Do not exceed 12 bar inlet pressure Recommended inlet pressure appears fro...

Page 18: ...me of greater than 100m3 Tanks larger than 100 m To use Tank Cleaning Machines in tanks larger than 100m is possible under certain conditions It is necessary to know the current factors such as tank s...

Page 19: ...ning ATEX requirements regarding repair of ATEX approved machines according to EN 60079 19 A tag with the following labelling information must be attached to the machine Repair symbol R Alfa Laval log...

Page 20: ...tejorg TZ 66 standard tool kit Never force hammer or pry components together or apart Always perform all assembly disassembly steps in the order described in this manual Never assemble components with...

Page 21: ...more than 15 4 mm it should be replaced 7 Assemble machines as described in the following pages 8 Check that the machine is in operating condition by inserting hex Screw driver tool No TE134A in scre...

Page 22: ...against rotation insert carefully Screwdriver tool no TE135A through Impeller pos 4 into a hole in the Stem 5 Pull off Impeller pos 4 Reassembly 1 Reinstall Impeller pos 4 Make sure that Impeller is c...

Page 23: ...truction Manual Toftejorg TZ 66 Page 21 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Top Assem...

Page 24: ...f Gear frame Pos 31 Draw out Gear Subassembly holes in Gear frame are excellent for holding Gear Subassembly Reassembly 1 Reinsert Gear Subassembly in bottom of machine body Mount Spring washers pos 1...

Page 25: ...uction Manual Toftejorg TZ 66 Page 23 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Bottom Asse...

Page 26: ...diameter to loosen If Ball races in Hub cover pos 20 1 and in Bevel gear pos 21 1 are extremely worn they should be replaced as well as the Ball retainer with balls pos 27 How to replace Ball races se...

Page 27: ...truction Manual Toftejorg TZ 66 Page 25 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Hub Assem...

Page 28: ...remely worn they should be replaced together with 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 require...

Page 29: ...uction Manual Toftejorg TZ 66 Page 27 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Stem Subass...

Page 30: ...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 Washer pos 18 5 Remove Bearing covers pos 32 and Slide bearings pos 30 after...

Page 31: ...uction Manual Toftejorg TZ 66 Page 29 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Gear Subass...

Page 32: ...ld over support such as flat steel bar clamped in a vice Knock out Collar bush with Pusher 3 Turn Gear frame 90 and hold over support Knock out Collar bush with Pusher Warning To avoid risk of deformi...

Page 33: ...1 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Replacement of Collar Bushes Removal of old Col...

Page 34: ...ollar lower pos 28 2 Press by hand as long as possible By means of a tube mandrel or if desired wooden block carefully hammer Ball race home Ball race must not project over end face of Main collar low...

Page 35: ...n Manual Toftejorg TZ 66 Page 33 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Replacement of B...

Page 36: ...er pos 28 1 To loosen Loctite knock hard on tool with hammer Unscrew Main collar 2 Carefully clean thread and recess in Body Do not damage special thread in Body Recess must be absolutely clean and fr...

Page 37: ...Manual Toftejorg TZ 66 Page 35 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Maintenance and Repair continued Replacement of Ma...

Page 38: ...ol kit for Toftejorg TZ 66 Article no TE81B080 Tool No Description No TE134 Unbraco key for screw 1 pcs TE134A Unbraco screw driver 1 pcs TE135 Unbraco key for screw 1 pcs TE135A Unbraco screw driver...

Page 39: ...Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Tools continued Sketch of tools for replacement of Main collars TE81B131 Tool for...

Page 40: ...es repeatedly get jammed in the machine install filter or reduce mesh size of installed filter in supply line Foreign Material or Material Build up Insert hex Screwdriver in screw in top of Turbine sh...

Page 41: ...ose of Body Wear a Slide bearings See page 18 b Main bush See page 19 c Worm wheels See page 19 d Collar bushes See page 18 e Turbine shaft Check clearance in Main bush and in Slide bearing Transverse...

Page 42: ...Stainless steel Spare part 16 TE156 21 Spring washer Stainless steel Spare part 17 TE118 29 Screw Stainless steel Spare part 18 TE619A 4 Washer Stainless steel Spare part 19 TE101G 1 Handle 2 Bronze...

Page 43: ...Instruction Manual Toftejorg TZ 66 Page 41 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 Cross Sectional Drawing...

Page 44: ...cs TE651 Locking Wire 4 pcs TE22A570 Slide bearing 2 pcs Service Kit Major for Toftejorg TZ 66 Article No TE55M010 Qty x P n Description No TE911K Turbine shaft 1 pcs TE126 1 Ball race 4 pcs TE624 11...

Page 45: ...1 pcs TE55M001 Service Kit Minor 1 pcs Service Kit Minor for Toftejorg TZ 66 E gear Article No TE55M400 Part No Description No TE609P Main bush 1 pcs TE615K Collar bush 3 pcs TE22A360 Worm wheel w rei...

Page 46: ...s will help us to help you The type and serial number are stamped on the Body of the tank cleaning machine Service and Repair Upon every return of a product no matter if for modifications or repair it...

Page 47: ...Instruction Manual Toftejorg TZ 66 Page 45 Standard machines and machines delivered with ATEX certification in accordance with Directive 94 9 EC IM TE91A300 EN9 EC Declaration of conformity...

Page 48: ...s the responsibility 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 r...

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