Alfa Laval Toftejorg TZ-74 Instruction Manual
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Alfa Laval Toftejorg TZ-74 Instruction Manual

Alfa Laval Toftejorg TZ-74 Instruction Manual

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Instruction Manual
Alfa Laval Toftejorg™ TZ-74
Covering:
Standard Machines
Machines delivered with ATEX Certification in accordance with Directive 94/9/EC valid until 2016-04-19/
Directive 2014/34/EU valid from 2016-04-20
TE91A150-EN9
First published: January 1, 1988
ESE01797-EN9
2016-02
Original manual
www.sks-online.com
www.sks-webshop.com

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Summary of Contents for Alfa Laval Toftejorg TZ-74

  • Page 1 Instruction Manual Alfa Laval Toftejorg™ TZ-74 Covering: Standard Machines Machines delivered with ATEX Certification in accordance with Directive 94/9/EC valid until 2016-04-19/ Directive 2014/34/EU valid from 2016-04-20 TE91A150-EN9 First published: January 1, 1988 ESE01797-EN9 2016-02 Original manual www.sks-online.com www.sks-webshop.com...
  • Page 2 www.sks-online.com www.sks-webshop.com...

  • Page 3: Table Of Contents

    6.10. Replacement of Main Collars ..............7. Trouble Shooting Guide ................8. Technical Data ..................8.1. Technical Data for TZ-74 Toftejorg .............. 8.2. Technical Data for Toftejorg TZ-74 with self-cleaning nozzle ......... 9. Product Programme .................. 9.1. Standard Configurations ................. 9.2. Available add-ons .................
  • Page 4 The information herein is correct at the time of issue but may be subject to change without prior notice 11. General Information ................... 11.1. Service and Repair ................11.2. How to Order Spare Parts ............... 11.3. How to contact Alfa Laval Tank Equipment ............ 12. Miscellaneous ..................12.1. ATEX - Special conditions for safe use ............www.sks-online.com...

  • Page 5: Ec/Eu Declaration Of Conformity

    +45 79 32 22 00 Phone No. hereby declare that Tank Cleaning Machine Designation Alfa Laval Toftejorg TZ-74 Type From serial number 2015-0001 to 2030-99999 is in conformity with the following directive with amendments: Machinery Directive 2006/42/EC DS/EN ISO 12100:2011...

  • Page 6: Safety

    2 Safety Unsafe practices and other important information are emphasized in this manual. Warnings are emphasized by means of special signs. Always read the manual before using the tank cleaning machine! 2.1 Important information WARNING Indicates that special procedures must be followed to avoid serious personal injury. CAUTION Indicates that special procedures must be followed to avoid damage to the tank cleaning machine NOTE...

  • Page 7: Introduction

    (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB. Alfa Laval Corporate AB will enforce its rights related to this document to the fullest extent of the law, including the seeking of criminal prosecution.

  • Page 8: Atex Marking

    Changes to the machine are not allowed without approval by the person responsible for the ATEX certification at Alfa Laval. 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.

  • Page 9: Installation

    The Toftejorg TZ-74 is available in a version with a self-cleaning nozzle on the body for better cleaning of the down pipe and the body.

  • Page 10: General Safety And Installation Instructions

    4 Installation 4.3 General Safety and Installation Instructions The tank cleaning machine should be installed in a vertical position (upright or upside down). It is recommended to install a filter with a mesh size of max. 3 mm in the supply line in order to avoid large particles to clog inside the machine. Before connecting the machine into the system, all supply lines and valves should be flushed to remove foreign matter.
  • Page 11 4 Installation 1. Clamp machine firmly in a vice. Protect machine with rubber 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.

  • Page 12: Special Conditions For Safe Use In Accordance With Atex Certification

    4 Installation 4.4 Special Conditions for Safe Use in Accordance with ATEX Certification Directive 94/9/EC valid until 2016-04-19 Directive 2014/34/EU valid from 2016-04-20 ATEX Warning: The unit may be operated, in a hazardous area, only when filled with the process fluid. ATEX Warning: The maximum permitted process fluid temperature is 95°C, with an ambient temperature range of 0°C to 140°C.

  • Page 13: Operation

    PEEK is not resistant to concentrated sulfuric acid. Normal detergents, moderate solutions of acids and alkalics will be acceptable. Aggressive chemicals, excessive concentrations of chemicals at elevated temperatures as well as hydrochlorides should be avoided. If you are in doubt, contact your local Alfa Laval sales office. After Use Cleaning After use flush the machine with fresh water.

  • Page 14: Maintenance

    6 Maintenance 6.1 Service and Repair of ATEX Certified Machines All service and repair of ATEX certified machines can be performed by Alfa Laval Tank Equipment, Kolding, Denmark or by an Alfa Laval service center approved by Alfa Laval Tank Equipment.

  • Page 15: Preventive Maintenance

    6 Maintenance 6.2 Preventive Maintenance In order to keep your tank cleaning machine servicing you as an efficient tool in your tank cleaning operations, it is essential to maintain its high performance by following a simple preventive maintenance programme, which will always keep your tank cleaning machine in good condition.

  • Page 16: Top Assembly

    6 Maintenance 6.3 Top Assembly Disassembly 1. Remove 3/16” Screws (pos. 17). Loosen and unscrew with a socket wrench (tool No. TE462A). 2. Lift off Top Cone (pos. 1). 3. Remove Guide /Guide ring (pos. 2). The Guide has a groove in the outer diameter. The Guide is easily lifted out of the Stem by means of two ordinary Screwdrivers inserted into the groove.
  • Page 17 6 Maintenance Top Assembly TD523406 www.sks-online.com www.sks-webshop.com...

  • Page 18: Bottom Assembly

    6 Maintenance 6.4 Bottom Assembly Disassembly 1. Turn machine upside down. 2. Remove 3/16” Screws (pos. 31) from Bottom cover (pos. 30). 3. Remove Bottom cover (pos. 30) and Gasket (pos. 32). 4. Remove 3/16” Screws (pos. 15) in Bearing cover (pos. 14). Carefully push out Turbine shaft (pos. 6) from opposite end. Do not try to hammer out Turbine shaft, since this can damage Slide bearing.
  • Page 19 6 Maintenance Bottom Assembly TD523407 www.sks-online.com www.sks-webshop.com...

  • Page 20: Hub Subassembly

    6 Maintenance 6.5 Hub Subassembly Disassembly 1. Remove Nozzles (pos. 20). Nozzles are untightened with a wrench on the faces of the Nozzles. 2. Remove 3/16” Screws (pos. 31), Hub cover (pos. 19), and Gasket (pos. 25). 3. Draw out Hub (pos. 21) together with Ball retainer with balls (pos. 24) and Bevel gear (pos. 18). If Ball races (pos.
  • Page 21 6 Maintenance Hub Subassembly TD523408 www.sks-online.com www.sks-webshop.com...

  • Page 22: Stem Subassembly

    6 Maintenance 6.6 Stem Subassembly Disassembly 1. Place machine in upside-down position. 2. Remove 3/16” Screws (pos. 15) in Gear wheel (pos. 7). To prevent rotation of Stem (pos. 3) mount two 3/16” screws in two holes opposite one another in BIG end of Stem. Place Stem in a vice held by the heads of the two screws. 3.
  • Page 23 6 Maintenance Stem Subassembly TD523409 www.sks-online.com www.sks-webshop.com...

  • Page 24: Gear Subassembly

    6 Maintenance 6.7 Gear Subassembly Disassembly 1. To make a backstop, remount Turbine shaft (pos. 6) with Slide bearing (pos. 28) into Gear frame (pos. 29). Mount Bearing cover (pos. 14) with 3/16” Screws (pos. 15). 2. Hold Turbine shaft (pos. 6) against 1st stage Worm wheel (pos. 33) with one hand and loosen 3/16” Screws (pos. 15) in Pinion (pos.
  • Page 25 6 Maintenance Gear Subassembly TD523410 Note: It is important that the Screw holding the Pinion is fastened to a torque moment of 5 Nm, to secure it from loosening. 4. Insert 1st stage Worm wheel (pos. 33) and Horizontal shaft (pos. 27). Mount Washer (pos. 13), Spring washer (pos. 16) and fix with 3/16”...

  • Page 26: Replacement Of Collar Bushes

    6 Maintenance 6.8 Replacement of Collar Bushes Replacement of Collar Bushes 1. Place Gear frame (pos. 29) upside down with a firm support under the flange. Use for instance jaws of a vice. Do not clamp on machined surfaces. With Pusher (tool No. TE81B033, see page 47) knock out Collar bush. 2.

  • Page 27: Replacement Of Ball Races

    6 Maintenance 6.9 Replacement of Ball Races In body A. With big end downwards knock several times Body with bearings (pos. 26) hard against firm wooden support until Ball race (pos. 26.3) drops out. B. If it is not possible to knock out Ball race in this way , it is necessary first to screw out Main collar lower (pos. 26.2) – see page 28.

  • Page 28: Replacement Of Main Collars

    6 Maintenance 6.10 Replacement of Main Collars Although normally exposed to very limited wear, it is possible to replace Main collars (pos. 26.1 and 26.2) and Hub liner (pos. 26.4) in Body. The procedure to do this is described below. Main collar upper 1.

  • Page 29: Trouble Shooting Guide

    7 Trouble Shooting Guide Slow rotation or failure of machine to rotate Fault finding Possible Causes No or insufficient liquid flow a). Check if supply valve is fully open b). Check if inlet pressure to machine is correct c). Check supply line and filter for restriction/clogging d).

  • Page 30: Technical Data

    8 Technical Data 8.1 Technical Data for TZ-74 Toftejorg Weight of machine: 6,1 kg (13,6 lb) Working pressure: 3-12 bar (45-175 psi) Recommended inlet pressure: 3-8 bar (45-120 psi) Working temperature max.: 95°C (200°F) 0 - 140°C (95°C - 140 °C when not operated) Ambient temperature: Materials: Stainless steel AISI 316/316L, A4, PTFE, Tefzel 200, PEEK, Teflon...
  • Page 31 8 Technical Data Flow rate) Inlet pressure B: USgpm D: psi A: m3/h C: nozzle sizes E: bar www.sks-online.com www.sks-webshop.com...
  • Page 32 8 Technical Data Throw length Max. static Effective TD523321 Inlet pressure D: psi A: m B: ft C: nozzle sizes E: bar www.sks-online.com www.sks-webshop.com...
  • Page 33 8 Technical Data Cleaning Time, f. complete Pattern (=8 cycles) Inlet pressure B: RPM of machine body D: psi A: min. C: nozzle sizes E: bar www.sks-online.com www.sks-webshop.com...

  • Page 34: Technical Data For Toftejorg Tz-74 With Self-Cleaning Nozzle

    8 Technical Data 8.2 Technical Data for Toftejorg TZ-74 with self-cleaning nozzle Weight of machine: 6,1 kgs (13,6 lb) Working pressure: 3-12 bar (45-175 psi) Recommended inlet pressure: 3-8 bar (45-120 psi) Working temperature max.: 95°C (200°F) 0 - 140°C (95°C - 140 °C when not operated)
  • Page 35 8 Technical Data Flow rate Inlet pressure A: m3/h B: USgpm C: nozzle sizes D: psi E: bar www.sks-online.com www.sks-webshop.com...
  • Page 36 8 Technical Data Throw length Max. static Effective TD523321 Inlet pressure A: m B: ft C: nozzle sizes D: psi E: bar www.sks-online.com www.sks-webshop.com...
  • Page 37 8 Technical Data Cleaning Time, f. complete Pattern (= 8 cycles) Inlet pressure B: RPM of machine body D: psi A: min. C: nozzle sizes E: bar www.sks-online.com www.sks-webshop.com...

  • Page 38: Product Programme

    4 x ø7 TE21D128-05 TE21D128-75 4 x ø8 TE21D130-05 TE21D130-75 2 x ø10 TE21D132-05 TE21D132-75 Standard Configurations for Toftejorg TZ-74 with Self-cleaning Nozzle Article No. Nozzles (mm) Connection Turbine/ Inlet Guide Article No. ATEX certified (½" thread conn.) machines 4 x ø6...

  • Page 39: Available Add-Ons

    9 Product Programme Standard Configurations for Toftejorg TZ-74 with Hub deflector 180°Down Article No. Nozzles (mm) Connection Turbine/ Inlet Guide Article No. ATEX certified (½" thread conn.) machines 4 x ø7 TE21D110-03 TE21D110-73 100% Top Cone: 1½" NPT, 4 x ø8...

  • Page 40: Parts Lists And Drawings, Service Kits And Tools

    10 Parts Lists and Drawings, Service Kits and Tools 10.1 Reference List of Parts TZ-74 Pos. Ref.No. No/Unit Description Material Remarks ¬ TE21D500 Top Cone 1½" BSP Stainless steel Spare part ¬ TE21D501 Top Cone 1½" NPT Stainless steel Spare part ¬...

  • Page 41: Cross Sectional Drawing

    10 Parts Lists and Drawings, Service Kits and Tools 10.2 Cross Sectional Drawing TZ-74 41060073 41060074 www.sks-online.com www.sks-webshop.com...

  • Page 42: Reference List Of Parts Tz-74 Self Cleaning

    10 Parts Lists and Drawings, Service Kits and Tools 10.3 Reference List of Parts TZ-74 Self Cleaning Pos. Ref. No. No/Unit Description Material Remarks ¬ TE21D500 Top Cone 1½" BSP Stainless steel Spare part ¬ TE21D501 Top Cone 1½" NPT Stainless steel Spare part ¬...

  • Page 43: Cross Sectional Drawing Tz-74 Self Cleaning

    10 Parts Lists and Drawings, Service Kits and Tools 10.4 Cross Sectional Drawing TZ-74 Self Cleaning TD523412 www.sks-online.com www.sks-webshop.com...

  • Page 44: Reference List Of Parts Tz-74 With Hub Deflector

    10 Parts Lists and Drawings, Service Kits and Tools 10.5 Reference List of Parts TZ-74 with Hub deflector Pos. Ref.No. No/Unit Description Material Remarks ¬ TE21D500 Top Cone 1½" BSP Stainless steel Spare part ¬ TE21D501 Top Cone 1½" NPT Stainless steel Spare part ¬...

  • Page 45: Cross Sectional Drawing Tz-74 With Hub Deflector

    10 Parts Lists and Drawings, Service Kits and Tools 10.6 Cross Sectional Drawing TZ-74 with Hub deflector 41060073 41060074 www.sks-online.com www.sks-webshop.com...

  • Page 46: Spare Parts Kits And Service Kits

    TE21A525 Main bush 1 pcs. TE21A570 Slide bearing 2 pcs. TE21A585 Collar bush 3 pcs. Major Service Kit for Toftejorg TZ-74 and TZ-74 Self-cleaning, Article No. TE21D286 Part No. Denomination Qty. TE21A525 Main bush 1 pcs. TE21A570 Slide bearing 2 pcs.

  • Page 47: Tools

    10 Parts Lists and Drawings, Service Kits and Tools 10.8 Tools Standard Tool kit for Toftejorg TZ-74, article no. TE81B055 Tool No. Denomination Qty. Hex Key for Screw TE134 TE134A Hex Screwdriver for Screw TE462A Socket wrench for Hex Screw Available on request: Tool No.
  • Page 48 10 Parts Lists and Drawings, Service Kits and Tools Sketch of tools for replacement of Collars bush: TD523341 www.sks-online.com www.sks-webshop.com...
  • Page 49 11 General Information 11.1 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. You will receive instructions regarding the return procedure from your local Alfa Laval office. Be sure to follow the instructions closely.
  • Page 50 12 Miscellaneous 12.1 ATEX - Special conditions for safe use www.sks-online.com www.sks-webshop.com...
  • Page 51 www.sks-online.com www.sks-webshop.com...
  • Page 52 © Alfa Laval Corporate AB This document and its contents is owned by Alfa Laval Corporate AB and protected by laws governing intellectual property and thereto related rights. It is 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, reproduced or transmitted in any form or by any means (electronic, mechanical, photocopying, recording, or otherwise), or for any purpose, without the expressed permission of Alfa Laval Corporate AB.

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