Alfa Laval Toftejorg TZ-67 Instruction Manual
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Alfa Laval Toftejorg TZ-67 Instruction Manual

Alfa Laval Toftejorg TZ-67 Instruction Manual

Tank cleaning machine
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Instruction Manual
Alfa Laval Toftejorg™ TZ-67
Covering:
Standard Machines
Machines delivered with ATEX Certification in accordance with Directive 2014/34/EU
TE91A100
First published: January 1, 1988
ESE01796-EN12
Original manual
2018-10

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Summary of Contents for Alfa Laval Toftejorg TZ-67

  • Page 1 Instruction Manual Alfa Laval Toftejorg™ TZ-67 Covering: Standard Machines Machines delivered with ATEX Certification in accordance with Directive 2014/34/EU TE91A100 First published: January 1, 1988 ESE01796-EN12 2018-10 Original manual...

  • Page 3: Table Of Contents

    10.3. Spare Parts Kits and Service Kits ............... 10.4. Tools ....................11. How to order Spare Parts and Claim Procedure ..........11.1. Service and Repair ................11.2. How to Order Spare Parts ............... 11.3. How to Contact Alfa Laval Kolding A/S ............

  • Page 4: Ec/Eu Declaration Of Conformity

    Phone No. hereby declare that Tank Cleaning Machine Designation Alfa Laval Toftejorg TZ-67 Type From serial number 2016-0001 to 2030-99999 is in conformity with Machinery Directive 2006/42/EC and the following harmonized standard is used: DS/EN ISO 12100:2011 Safety of Machinery - Risk Assessment is in conformity with (Ex / ATEX) Directive 2014/34/EU and the following harmonized standards are used: EN ISO 80079-36:2016, EN ISO 80079-37:2016, DS/EN ISO/IEC 80079-34:2011, Annex A, paragraph A.5.3 Rotating machines...

  • Page 5: 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 6: Introduction

    This Instruction Manual is published by Alfa Laval without any warranty. Improvements and changes to this Instruction Manual may at any time be made by Alfa Laval without prior notice. Such changes will, however, be incorporated in new editions of this Instruction Manual.

  • Page 7: 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 8: Installation

    4.1 General Description The Toftejorg TZ-67 is a media driven and media lubricated tank cleaning machine. As it is self lubricating, there is no lubricating substances such as oil grease etc. in the machine which needs to be regularly changed.

  • Page 9: 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 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 10 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 11: Specific Conditions For Safe Use In Accordance With Atex Certification

    4 Installation 4.4 Specific Conditions for Safe Use in accordance with ATEX Certification Directive 2014/34/EU 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 12: Operation

    Please note that 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 13: 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 Kolding A/S, Denmark or by an Alfa Laval service center approved by Alfa Laval Kolding A/S.

  • Page 14: Preventive Maintenance

    We trust that you will adjust your maintenance programme to suit. Always use only proper tools. Use Toftejorg TZ-67 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.

  • Page 15: Top Assembly

    6 Maintenance 6.3 Top Assembly Disassembly 1. Remove Screws (15). Loosen with Key (tool No. TE134) and unscrew with Screwdriver (tool No. TE134A). 2. Lift off Nipple (1). 3. Remove Guide/Guide ring (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 16 6 Maintenance Top Assembly TD523353...

  • Page 17: Bottom Assembly

    6 Maintenance 6.4 Bottom Assembly Disassembly 1. Turn machine upside down. 2. Remove Screws (15) and Spring Washer (16) from Bottom cover (30). 3. Remove Bottom cover (30). 4. Remove Screws (15) in Bearing cover (14). Carefully push out Turbine shaft (6) from opposite end. Do not try to hammer out Turbine shaft, since this can damage Slide bearing.
  • Page 18 6 Maintenance Bottom Assembly TD523354...

  • Page 19: Hub Assembly

    6 Maintenance 6.5 Hub Assembly Disassembly 1. Remove Nozzles (20). Nozzles are untightened with a wrench on the faces of the Nozzles. 2. Remove Screws (16), and Spring washers (16) and Hub cover (19). 3. Draw out Hub (21) together with Ball retainer with balls (24) and Bevel gear (18). 4.
  • Page 20 6 Maintenance Hub Assembly TD523355...

  • Page 21: Stem Assembly

    6 Maintenance 6.6 Stem Assembly Disassembly 1. Place machine in upside-down position. 2. Remove Screws (15) in Gear wheel (7). To prevent rotation of Stem (3) mount two 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 22 6 Maintenance Stem Subassembly TD523356...

  • Page 23: Gear Subassembly

    6 Maintenance 6.7 Gear Subassembly Disassembly 1. To make a backstop, remount Turbine shaft (6) with Slide bearing (28) into Gear frame (29). Mount Bearing cover (14) with Screws (15). 2. Hold Turbine shaft (6) against 1st stage Worm wheel (33) with one hand and loosen Screws (15) in Pinion (9) and Horizontal shaft (27) with the other hand.
  • Page 24 6 Maintenance Reassembly 1. Mount Slide bearing (28) carefully on Turbine shaft (6) and secure with Washer (13), Spring washer (16) and Screw (15). Hold Turbine shaft in a vice or with wrench on driver faces and tighten. 2. Push Slide bearing (28) for Horizontal shaft (27) into Gear frame (29) and fix Bearing cover (14) with Screws (15). Tighten crosswise.

  • Page 25: Replacement Of Collar Bushes

    6 Maintenance 6.8 Replacement of Collar Bushes Replacement of Collar Bushes 1. Place Gear frame (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 39) knock out Collar bush. 2.

  • Page 26: 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 (26) hard against firm wooden support until Ball race (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 (26.2) – see page 27.

  • Page 27: 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 (26.1 and 26.2) in Body. The procedure to do this is described below. Main collar upper 1. Place Body (26) in a vice upright position. Do not clamp on machined faces. Insert tool (see page 39) into Main collar upper (26.1).

  • Page 28: Trouble Shooting Guide

    7 Trouble Shooting Guide Slow rotation or failure of machine to rotate Action 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 29: Technical Data

    8 Technical Data Weight of machine: 6.5 kgs (14,3 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 temperature: 0 - 140°C (95°C - 140°C when not operated) Stainless steel AISI 316/AISI 316L, Tefzel 200, PEEK, A4, Materials: bronze, ACO212CF Principal dimensions in mm...
  • Page 30 8 Technical Data Flow rate Inlet pressure C: nozzle sizes D: psi E: bar A: m3/h B: USgpm...
  • Page 31 8 Technical Data Throw length Max. static Effective TD523321 Throw length Inlet pressure A: m B: ft C: nozzle sizes D: psi E: bar Note: Throw lengths are measured as horizontal throw length at static condition. Vertical throw length upwards is approx. 1/3 less.
  • Page 32 8 Technical Data Cleaning Time, f. complete Pattern (=8 cycles) Inlet pressure A: min. B: RPM of machine body C: nozzle sizes D: psi E: bar...

  • Page 33: Product Programme

    9 Product Programme 9.1 Standard Configurations Standard Configurations for Toftejorg TZ-67 Nozzles (mm) Connection Turbine/ Inlet Guide Article No. (1/2" thread conn.) 4 x ø6 TE21C108 100% Thread 4 x ø7 TE21C110 1 ½" NPT, 4 x ø7 TE21C128 Male di: ø38mm 4 x ø8...

  • Page 34: Standard Options

    9 Product Programme 9.2 Standard options Special options are available with hub deflector for direction of cleaning 180° upwards or downwards: 180° upwards: Standard article No. 04 180° downwards Standard article No. 03 Nozzles (mm) Article No. Connection Turbine/ Inlet Guide (1/2"...

  • Page 35: Parts List And Drawing, Service Kits And Tools

    Please note that some of the polymer parts are in PEEK, which is not resistant to concentrated sulfuric acid. *Note: 26 is not sold as single spare part component but only as part of a machine maintenance/repair order. For further information please contact Alfa Laval Customer Support.

  • Page 36: Cross Sectional Drawing

    10 Parts List and Drawing, Service Kits and Tools 10.2 Cross Sectional Drawing TZ-67 TD523358...

  • Page 37: Spare Parts Kits And Service Kits

    Minor Service Kit: TE55H000 TE55H000 TE55H000 Major Service Kit Major Service Kit Major Service Kit TE55H010 TE55H010 TE55H010 Service Kit Minor for Toftejorg TZ-67 Article No. TE55H000 Qty. Pos. Denomination Item no. Main bush TE21A525 Collar bush TE21A585 Worm wheel w. reinforcement TE21A367 Worm wheel w.
  • Page 38 10 Parts List and Drawing, Service Kits and Tools Service Kits for previous versions Service Kit for Toftejorg TZ-67, Article No. TE21B299 For machines delivered before October 1, 1993 Qty. Denomination Item no. Worm wheel w. reinforcement TE21A367 Slide bearing...

  • Page 39: Tools

    10 Parts List and Drawing, Service Kits and Tools 10.4 Tools Standard Tool kit for Toftejord TZ-67, Article No. TE81B050 Description Tool No. Hex Key for Screw 1 pcs. TE134 2 pcs. TE134A Hex Screwdriver for Screw Available on request: Description Tool No.
  • Page 40 10 Parts List and Drawing, Service Kits and Tools Sketch of tools for replacement of Main collars TE81B129: Tool for upper collar TE81B130: Tool for lower collar...

  • Page 41: How To Order Spare Parts And Claim Procedure

    11 How to order Spare Parts and Claim Procedure 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.
  • Page 42 © 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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