Alfa Laval Toftejorg MultiJet 65 Instruction Manual
Alfa Laval Toftejorg MultiJet 65 Instruction Manual

Alfa Laval Toftejorg MultiJet 65 Instruction Manual

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Instruction Manual
Alfa Laval Toftejorg
Covering:
Standard machines
Machines delivered with ATEX/IECEx Certification in accordance with Directive 2014/34/EU
First published: 1990
ESE02852-EN5
Original manual
TM
MultiJet 65
2019-07

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Summary of Contents for Alfa Laval Toftejorg MultiJet 65

  • Page 1 Instruction Manual Alfa Laval Toftejorg MultiJet 65 Covering: Standard machines Machines delivered with ATEX/IECEx Certification in accordance with Directive 2014/34/EU First published: 1990 ESE02852-EN5 2019-07 Original manual...
  • Page 3: Table Of Contents

    9.1. Standard configurations ................9.2. Available add-ons ................. 10. Parts List and Drawing, service Kits and tools ........... 10.1. Alfa Laval Toftejorg MultiJet 65 with 2 nozzles ..........10.2. Alfa Laval Toftejorg MultiJet 65 with 4 nozzles ..........10.3. Service intervals ...................
  • 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 Kolding A/S ............
  • Page 5: Ec/Eu Declaration Of Conformity

    Phone No. hereby declare that Tank Cleaning Machine Designation Alfa Laval Toftejorg MultiJet 65 Type From serial number 2019-0001 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 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

    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 8: Marking

    5 digit sequential number 3.5 ATEX/IECEx marking The Alfa Laval Toftejorg MultiJet 65 is certified as category I component. The ATEX certification is carried out by the Notified Body SGS Fimko Oy, who has issued the certificate no. Baseefa10ATEX0188X.
  • Page 9: Atex/Iecex Temperature Class And Code

    ATEX/IECEx marking on the equipment: II 1G Ex h IIC 85°C…175°C Ga II 1D Ex h IIIC T85°C…T140°C Da 3.7 Quality system The Alfa Laval Toftejorg tank cleaning machines are produced according to Alfa Laval Kolding´s ISO 9001 international Standard certified quality system.
  • Page 10: Installation

    4.1 General description The Alfa Laval Toftejorg MultiJet 65 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 11 4 Installation MultiJet 65 Machines with 4 nozzles The combined motion of the machine body and the nozzles ensures a fully indexed tank cleaning coverage. After 5 5/8 revolutions of the Hub with nozzles (5 3/8 revolutions of the machine body) one coarse cleaning pattern is laid out on the tank surface.
  • Page 12: General Safety And Installation Instructions

    4 Installation MultiJet 65 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 13 4 Installation MultiJet 65 The machine as delivered has been tested at the factory before shipping. For transportation reasons, the nozzles have been screwed off after the test. In order to secure the nozzles against falling off due to vibrations and other external strains it is important that the nozzles are tightened properly after mounting.
  • Page 14 4 Installation MultiJet 65 With 4 nozzles 1. 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. Step 1 Step 2 Rubber jaw mounted upside down Protect with rubber pad Recommended tightening torque: 75 Nm - Check that the machine is in operating condition by inserting Hex Screwdriver (tool No.
  • Page 15: Specific Conditions For Safe Use In Accordance With Atex/Iecex Certification

    4 Installation MultiJet 65 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification Directive 2014/34/EU NOTE Explosion protection type is constructional safety “c”. Warning: Operated in a hazardous area The unit my be operated in a hazardous area only when completely filled with cleaning fluid/steam. If a medium other than the cleaning fluid/steam is passed through the equipment the flow must not be high enough to cause the equipment to operate.
  • Page 16 4 Installation MultiJet 65 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification Warning: Max. permitted steaming temperature The maximum permitted steam temperature through the machine and ambient temperature is 140°C. Warning: Steaming tanks larger than 100 m³ Tanks with capacities larger than 100 m³...
  • Page 17 4 Installation MultiJet 65 4.4 Specific conditions for safe use in accordance with ATEX/IECEx certification Warning: Process generated electrostatic The user must address the electrostatic hazards generated from the process of the equipment in accordance with guidance document IEC/TS 60079-32-1:2013. Warning: Electrostatically charged liquid Liquids can become electrostatically charged when they move relative to contacting solids or the spraying of...
  • Page 18: Operation

    Use only cleaning media compatible with stainless steel, polymer and carbon. Normal detergents, moderate solutions of acids and alkalics will be acceptable. Aggressive chemicals, excessive concentrations of chemicals at elevated temperatures, as well as certain dissolvents and hypochlorids should be avoided. If you are in doubt, contact your local Alfa Laval sales office. Pressure Avoid hydraulic shocks.
  • Page 19: Safety Precautions

    5.2 Safety precautions The machine is intended for use inside a tank only. As peak velocity of main jets reaches 40 m/sec., The Alfa Laval Toftejorg MultiJet 65 must not be operated in open air or when tank is open.
  • Page 20: Maintenance

    Changes to the machine are not allowed without approval by the person responsible for the ATEX/IECEx 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/IECEx Directive) is no longer valid.
  • Page 21: Preventive Maintenance

    6 Maintenance MultiJet 65 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 22: Top Assembly

    6 Maintenance MultiJet 65 6.3 Top assembly Disassembly 1. Remove Locking wire. 2. Remove Screws (pos. 34). Loosen with Key (tool No. TE135) and unscrew with Screwdriver (tool No. TE135A) through holes in the Flange. 3. Lift off Flange (pos. 1). 4.
  • Page 23 6 Maintenance MultiJet 65 Top Assembly 4109-0032...
  • Page 24: Bottom Assembly

    6 Maintenance MultiJet 65 6.4 Bottom assembly Disassembly 1. Turn machine upside down. 2. Remove Screws (pos. 17) and Spring washer (pos. 16) from Bottom cover (pos. 33). 3. Remove Bottom cover (pos. 33). 4. Remove Screws (pos. 17) and Spring washers (pos. 16) along the circumference of Gear frame (pos. 31). Draw out Gear Subassembly (holes in Gear frame are excellent for holding Gear subassembly).
  • Page 25 6 Maintenance MultiJet 65 Bottom Assembly TD523346...
  • Page 26: Hub Subassembly

    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 authorized Alfa Laval Tank Equipment Service Center perform the replacement when necessary. Alternatively, in many cases it is possible to purchase a complete Stem With Liners mounted for your machine.
  • Page 27 6 Maintenance MultiJet 65 Hub Assembly 4109-0033...
  • Page 28: Stem Subassembly

    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 authorized Alfa Laval Tank Equipment Service Center perform the replacement when necessary. Alternatively, in many cases it is possible to purchase a complete Stem With Liners mounted for your machine.
  • Page 29 6 Maintenance MultiJet 65 Stem Subassembly TD523326...
  • Page 30: Gear Subassembly

    6 Maintenance MultiJet 65 6.7 Gear subassembly Disassembly 1. Hold Turbine shaft (pos. 7) against 1st stage Worm wheel (pos. 14) with one hand and loosen Screws (pos. 17) in Pinion (pos. 11) and Horizontal shaft (pos. 29) with the other hand. 2.
  • Page 31 6 Maintenance MultiJet 65 Gear Subassembly TD523327...
  • Page 32: Replacement Of Collar Bushes

    6 Maintenance MultiJet 65 6.8 Replacement of collar bushes Replacement of Collar Bushes 1. Place Gear frame (pos. 31) 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. TE81B031, see page 53) knock out Collar bush. 2.
  • Page 33 6 Maintenance MultiJet 65 Removal of old Collar bushes TD523310 Support TD523311 Support TD523312 Mounting of new Collar bushes TD523309...
  • Page 34: Replacement Of Ball Races

    6 Maintenance MultiJet 65 6.9 Replacement of ball races In body A. With big end downwards knock several times Body with bearings (pos. 28) hard against firm wooden support until Ball race (pos. 28.3) 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. 28.2) – see page 36.
  • Page 35 6 Maintenance MultiJet 65 Replacement of Ball races Support TD523329 Support TD52333...
  • Page 36: Replacement Of Main Collars

    Warning: Replacement of Main collars involves risk of damaging the special threads and accordingly the body. It is recommended to let an authorized Alfa Laval sales office do the replacement. Main collar lower 1. Place Body (pos. 28) in a vice upright position. Do not clamp on machined faces. Insert tool (see page 53) into Main collar (pos.
  • Page 37: Trouble Shooting Guide

    7 Trouble shooting guide MultiJet 65 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).
  • Page 38: Technical Data

    8 Technical data MultiJet 65 8.1 Machine with 2 nozzles Weight of machine: 13.6 kg (30 lb) Working pressure: 5-12 bar (72-174 psi) Recommended inlet pressure: 5-10 bar (72-145 psi) Working temperature max.: 95°C (200°F) Ambient temperature: 0 -140°C (95°C - 140°C when not operated) Stainless steel AISI 316/316L, PTFE, Carbon, PVDF, A4, Materials: Tefzel...
  • Page 39 8 Technical data MultiJet 65 Flow rate Inlet pressure A: m3/h B: Nozzle sizes C: bar...
  • Page 40 The inlet pressure has been taken immediately before the machine inlet. In order to achieve the performance indicated in the curves, the pressure drop in the supply lines between pump and machine must be taken into consideration. Option: The Alfa Laval Toftejorg MultiJet 65 can be supplied with nozzle extensions and E-gearing for longer throw length...
  • Page 41 8 Technical data MultiJet 65 Cleaning Time, f. complete Pattern (= 8 cycles) Inlet pressure A: rpm (sec) B: Nozzle sizes C: bar...
  • Page 42: Machine With 4 Nozzles

    8 Technical data MultiJet 65 8.2 Machine with 4 nozzles Weight of machine: 13.6 kg (30 lb) Working pressure: 5-12 bar (72-174 psi) Recommended inlet pressure: 5-10 bar (72-145 psi) Working temperature max.: 95°C (200°F) Ambient temperature: 0 -140°C (95°C - 140°C when not operated) Stainless steel AISI 316/316L, PTFE, Carbon, PVDF, A4, Materials: Tefzel...
  • Page 43 8 Technical data MultiJet 65 Flow rate 4xø14 4xø13 4xø12 4xø11 Inlet pressure B: gpm A: m3/h C: Nozzle sizes D: psi E: bar...
  • Page 44 The inlet pressure has been taken immediately before the machine inlet. In order to achieve the performance indicated in the curves, the pressure drop in the supply lines between pump and machine must be taken into consideration. Option: The Alfa Laval Toftejorg MultiJet 65 can be supplied with nozzle extensions and E-gearing for longer throw length...
  • Page 45 8 Technical data MultiJet 65 Cleaning Time, f. complete Pattern (= 8 cycles) 4xø11 4xø12 4xø13 4xø14 Inlet pressure A: rpm (sec) C: psi D: psi B: Nozzle sizes...
  • Page 46: Product Programme

    9 Product programme MultiJet 65 9.1 Standard configurations Machines without flange for direct mounting on extension pipe (requires special flange on extension pipe): Table 1. Machine with 2 nozzles Nozzles (mm) Connection Item no. (1" thread conn.) 2 x ø15 TE23M124 2½"...
  • Page 47: Available Add-Ons

    9 Product programme MultiJet 65 9.2 Available add-ons TE23MXXX70: ATEX/IECEx Explanation to Add-ons ATEX/IECEx includes: ATEX/IECEx certified machine for use in explosive atmospheres. Category 1 for installation in zone 0/20 in accordance with directive 2014/34/EU. ATEX/IECEx II 1G Ex h IIC 85°C…175°C Ga II 1D Ex h IIIC T85°C…T140°C Da...
  • Page 48: Parts List And Drawing, Service Kits And Tools

    10 Parts List and Drawing, service Kits and tools MultiJet 65 10.1 Alfa Laval Toftejorg MultiJet 65 with 2 nozzles 4109-0040...
  • Page 49 See page 47 for more information on available add-ons. Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part Manual is available from the online Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue.
  • Page 50: Alfa Laval Toftejorg Multijet 65 With 4 Nozzles

    10 Parts List and Drawing, service Kits and tools MultiJet 65 10.2 Alfa Laval Toftejorg MultiJet 65 with 4 nozzles 4109-0041...
  • Page 51 See page 47 for more information on available add-ons. Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part Manual is available from the online Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue.
  • Page 52: Service Intervals

    TE55M410 (E-GEAR) TE55M410 (E-GEAR) Please refer to the Spare Part Manual for information on item numbers and materials. The Spare Part Manual is available from the online Alfa Laval product catalogue Anytime or the Close at hand spare part catalogue.
  • Page 53: Tools

    10 Parts List and Drawing, service Kits and tools MultiJet 65 10.4 Tools Standard Tool kit for Alfa Laval Toftejorg MultiJet 65 Item no. TE81B065 Qty. Tool No. Denomination TE134 Unbraco key for screw 1 pcs. 1 pcs. TE134A Unbraco Screwdriver Unbraco key for screw 1 pcs.
  • Page 54 10 Parts List and Drawing, service Kits and tools MultiJet 65 Sketch of tools for replacement of Main collars 41090042...
  • Page 55 MultiJet 65 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 56 © 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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