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
Toftejorg TZ-74
IM-TE91A150-EN041

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Summary of Contents for Alfa Laval Toftejorg TZ-74

  • Page 1 ï Return to menu Instruction Manual Toftejorg TZ-74 IM-TE91A150-EN041...

  • Page 2: Table Of Contents

    Reference List of Parts for Toftejorg TZ-74.............34 Cross Sectional Drawing for Toftejorg TZ-74............35 Reference List of Parts for Toftejorg TZ-74 with Self-cleaning Nozzle ....36 Cross Sectional Drawing for Toftejorg TZ-74 with Self-cleaning Nozzle ....37 Standard Spare Part and Service Kits ..............38 Standard Spare Part Kit for Toftejorg TZ-74, Article No.
  • Page 3 ï Return to menu...

  • Page 4: Introduction

    Note: The illustrations and specifications contained in this manual were effective at the date of printing. However, as continuous improvements are our policy, we reserve the right to alter or modify any unit specification on any product without prior notice or any obligation. Instruction Manual, Toftejorg TZ-74 Page 3 IM-TE91A150-EN041...

  • Page 5: General Description

    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 6: Standard Configurations For Toftejorg Tz-74

    TE21D212 1½" BSP, Female 4 x ø7 TE21D228 4 x ø8 TE21D230 2 x ø10 TE21D232 Standard Configurations for Toftejorg TZ-74 with Self-cleaning Nozzle Turbine/ Nozzles (mm) Connection Inlet Guide (½" thread conn.) Article No. 4 x ø6 TE21D008 Top Cone: 100% 4 x ø7...

  • Page 7: Technical Data

    Working pressure 3-12 bar (45-175 psi) Recommended inlet pressure 3-8 bar (45-120 psi) Working temperature max. C (200 F) Materials Stainless steel AISI 316L, PTFE, Tefzel 200, PEEK, Teflon Principal dimensions in mm Page 6 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 8 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. Cleaning Time, f. complete Pattern (= 8 cycles) Instruction Manual, Toftejorg TZ-74 Page 7 IM-TE91A150-EN041...

  • Page 9: For Toftejorg Tz-74 With Self-Cleaning Nozzle

    ï Return to menu Technical Data ( continued) 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. C (200 F)
  • Page 10 ï Return to menu Technical Data ( continued) For Toftejorg TZ-74 with self-cleaning nozzle Flow rate Throw length Note: Throw lengths are measured as max. horizontal throw length at static condition. Vertical throw 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)

  • Page 11: Installation And Normal Operation

    Loctite No. 243 or equivalent could be used. Other methods could be acceptable and subject to customer preference. For detailed instruction on pre-cleaning and application of the product carefully follow the instruction on the used locking system. Page 10 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...

  • Page 12: Normal Operation

    Avoid hydraulic shocks. Put on pressure gradually. Do not exceed 12 bar inlet pressure. Recommended inlet pressure appears from Technical Data (page 6-9). High pressure in combination with high flow rate will increase consumption of wear parts. Instruction Manual, Toftejorg TZ-74 Page 11 IM-TE91A150-EN041...

  • Page 13: Maintenance And Repair

    We trust that you will adjust your maintenance programme to suit. Always use only proper tools. Use Toftejorg TZ-74 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 14 Which parts that are wear parts appear from Reference Lists of Parts, page 34 and Service Card For your registration of maintenance carried out, fill in service card which you will find at the back of this manual. Instruction Manual, Toftejorg TZ-74 Page 13 IM-TE91A150-EN041...

  • Page 15: Top Assembly

    Mount Top Cone (pos. 1). Make sure that it is in correct position over Guide/Guide ring (pos. 2) Rotate Top cone to align holes in Top cone and Stem. Mount and tighten 3/16” Screws (pos. 17) with a socket wrench (tool No. TE462A). Page 14 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 16 ï Return to menu Maintenance and Repair (continued) Top Assembly Instruction Manual, Toftejorg TZ-74 Page 15 IM-TE91A150-EN041...

  • Page 17: Bottom Assembly

    Slide bearing (pos. 28) into position. Mount Bearing cover (pos. 14) with 3/16” Screws (pos. 15). Tighten crosswise. Place Bottom gasket (pos. 32) and Bottom cover (pos. 30). Mount 3/16” Screws (pos. 31) and tighten crosswise. Page 16 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 18 ï Return to menu Maintenance and Repair (continued) Bottom Assembly Instruction Manual, Toftejorg TZ-74 Page 17 IM-TE91A150-EN041...

  • Page 19: Hub Subassembly

    Slide on Hub (pos. 21). Reinsert Bevel gear with race (pos. 18) and Ball retainer with balls (pos. 24). Mount Gasket (pos. 25) and Hub cover with race (pos. 19), and set with 3/16” Screws (pos. 31). Tighten clockwise. Screw on Nozzles (pos. 20) and tighten with wrench. Page 18 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 20 ï Return to menu Maintenance and Repair (continued) Hub Subassembly Instruction Manual, Toftejorg TZ-74 Page 19 IM-TE91A150-EN041...

  • Page 21: Stem Subassembly

    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. Page 20 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 22 ï Return to menu Maintenance and Repair (continued) Stem Subassembly Instruction Manual, Toftejorg TZ-74 Page 21 IM-TE91A150-EN041...

  • Page 23: Gear Subassembly

    Bearing cover (pos. 14) with 3/16” Screws (pos. 15). Tighten crosswise. Insert 2nd stage Worm wheel (pos. 11), Pinion (pos. 9) and Journal (pos. 12). Mount Washer (pos. 13), Spring washer (pos. 16) and fix with 3/16” Screw (pos. 15). Check rotation. Page 22 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 24 Hold Turbine shaft (pos. 6) against 1st stage Worm wheel and tighten 3/16” Screws (pos. 15) in Horizontal shaft (pos. 27) and Pinion (pos. 9). Remove Turbine shaft (pos. 6) with Slide bearing (pos. 28) before Gear subassembly is inserted in machine body. Instruction Manual, Toftejorg TZ-74 Page 23 IM-TE91A150-EN041...

  • Page 25: Replacement Of Collar Bushes

    To avoid risk of deforming Gear frame, it is utmost important that it is supported while the Collar bushes are being knocked out. Clean holes and push in new Collar bushes into Gear frame. Page 24 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 26 ï Return to menu Maintenance and Repair (continued) Replacement of Collar Bushes Removal of old Collar bushes Instruction Manual, Toftejorg TZ-74 Page 25 IM-TE91A150-EN041...

  • Page 27: Replacement Of Ball Races

    Knock several times around the circumference to avoid tilting. Clean surfaces and press in new Ball race. Ball race must be pressed fully home. Press parallel. Do not damage surface of Ball race. Page 26 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 28 ï Return to menu Maintenance and Repair (continued) Replacement of Ball races Instruction Manual, Toftejorg TZ-74 Page 27 IM-TE91A150-EN041...

  • Page 29: Replacement Of Main Collars

    Place Body in a vice in upside down position, and repeat procedure described above. Warning: Thread on Main collar lower is left-handed. Hub Liner Place Body in a vice. Insert two ordinary screwdrivers behind Hub liner and press it out. Push on new Hub liner. Page 28 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 30 ï Return to menu Maintenance and Repair (continued) Replacement of Main Collars Instruction Manual, Toftejorg TZ-74 Page 29 IM-TE91A150-EN041...

  • Page 31: Tools

    ï Return to menu Tools Standard Tool kit for Toftejorg TZ-74 Article No. TE81B055 Tool No. Description TE134 Hex Key for Screw TE134A Hex Screwdriver for Screw TE462A Socket wrench for Hex Screw Available on request: TE81B033 Pusher for Collar bush, 1½”...

  • Page 32: Sketch Of Tools For Replacement Of Main Collars

    ï Return to menu Tools (continued) Sketch of tools for replacement of Main collars Instruction Manual, Toftejorg TZ-74 Page 31 IM-TE91A150-EN041...

  • Page 33: Trouble Shooting Guide

    Remove Gear subassembly (see page 16). Check free rotation of Stem. Remove Stem (see page 20). Remove foreign material/material build-up on Stem and inside Main collars. Clean Ball races and Ball retainer with balls. Also clean main bush. Page 32 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...
  • Page 34 Mount Hub and Stem in Body (se page 18 and 20). Hold Body in upside down position and rotate Hub to check that Bevel gears can work together. If damaged: Replace Stem and/or Bevel gear. Instruction Manual, Toftejorg TZ-74 Page 33 IM-TE91A150-EN041...

  • Page 35: Reference List Of Parts For Toftejorg Tz-74

    ï Return to menu Reference List of Parts for Toftejorg 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 TE703 Guide 100% Stainless steel...

  • Page 36: Cross Sectional Drawing For Toftejorg Tz-74

    ï Return to menu Cross Sectional Drawing for Toftejorg TZ-74 Instruction Manual, Toftejorg TZ-74 Page 35 IM-TE91A150-EN041...

  • Page 37: Reference List Of Parts For Toftejorg Tz-74 With Self-Cleaning Nozzle

    ï Return to menu Reference List of Parts for Toftejorg TZ-74 with Self-cleaning Nozzle 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 TE703...

  • Page 38: Cross Sectional Drawing For Toftejorg Tz-74 With Self-Cleaning Nozzle

    ï Return to menu Cross Sectional Drawing for Toftejorg TZ-74 with Self-cleaning Nozzle Instruction Manual, Toftejorg TZ-74 Page 37 IM-TE91A150-EN041...

  • Page 39: Standard Spare Part And Service Kits

    ï Return to menu Standard Spare Part and Service Kits Standard Spare Part Kit for Toftejorg TZ-74, Article No. TE21D299 Part No. Description TE21A367 Worm wheel 2 pcs. TE21A525 Main bush 1 pcs. TE21A570 Slide bearing 2 pcs. TE21A585 Collar bush 3 pcs.

  • Page 40: How To Order Spare Parts And Claim Procedure

    Body of the tank cleaning machine. Claim Procedure In case of failure that needs assistance from Alfa Laval Tank Equipment A/S, it is essential for our evaluation that the problem as well as the working conditions of the machine are described as detailed as possible.

  • Page 41: Service Card

    ï Return to menu Service Card Type of Machine Serial No. Configuration Nozzle diameter Impeller Guide Date No. of Working Maintenance Actions/ Remarks Sign. Hours Exchanged Parts Machine put into operation Vers. 942 Page 40 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...

  • Page 42: Claim Report Working Conditions

    Working hours before failure hours Cleaning Programme Cleaning media and conc. Temperature Time Recirculation? Is sterilising being used? Procedure (media/temp.)? Is steam injection being used for heating? Time: __________ Temperature: __________ v. 98.1 Instruction Manual, Toftejorg TZ-74 Page 41 IM-TE91A150-EN041...
  • Page 43 Name, formula/concentration of material to be removed from tank What is material soluble in Nature of material: Volatile/explosive Sticky/tenacious Contains soft particles Low viscous Solidifying Contains hard particles High viscous Crystallizing Is tank cleaner submerged in material? Other information/Remarks Date: Sign.: Page 42 Instruction Manual, Toftejorg TZ-74 IM-TE91A150-EN041...

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