Replacement of Ball races ....................24 Replacement of Main Collars .................... 26 Tools ........................28 Standard Tool kit for Toftejorg TZ-67, Article no. TE81B050 ..........28 Sketch of tools for replacement of Main collars..............29 Trouble Shooting Guide ..................30 Reference List of Parts....................32 Cross Sectional Drawing ..................33...
Note: The illustrations and specifications contained in this manual were effective at the date of printing. However, as continuous improvement is the policy of Alfa Laval Tank Equipment, we reserve the right to alter or modify any unit specification on any product without notice or any obligation.
Return to menu 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.
Standard options Special options are available with hub deflector for direction of cleaning 180° upwards or downwards: Article No.: 180° upwards: Standard article No. -04 180° downwards: Standard article No. -03 Instruction Manual, Toftejorg TZ-67 Page 5 IM-TE91A100-EN1...
ï Return to menu 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° (200° F) Materials Stainless steel AISI 316/316L, Tefzel 200, PEEK, A4, bronze, ACO212CF Principal dimensions in mm Page 6...
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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-67 Page 7 IM-TE91A100-EN1...
ï Return to menu Installation and Normal Operation General Installation Instructions The tank cleaning machine should be installed in vertical position (upright or upside down). It is recommended to install a filter in the supply line in order to avoid large particles to clog inside the machine.
Aggressive chemicals, excessive concentrations of chemicals at elevated temperatures, as well as certain hypochlorids should be avoided. If you are in doubt, contact your local Alfa Laval Tank Equipment sales office. After Use Cleaning After use flush the machine with fresh water.
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.
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Which parts that are wear parts appear from Reference List of Parts, page 32. Service Card For your registration of maintenance carried out, fill in service card which you will find at the back of this manual (see page 37). Instruction Manual, Toftejorg TZ-67 Page 11 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Top Assembly Disassembly Remove Screws (pos. 15). Loosen with Key (tool No. TE134) and unscrew with Screwdriver (tool No. TE134A). Lift off Nipple (pos. 1). 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.
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ï Return to menu Maintenance and Repair (continued) Top Assembly Instruction Manual, Toftejorg TZ-67 Page 13 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Hub Subassembly Disassembly Remove Nozzles (pos. 20). Nozzles are untightened with a wrench on the faces of the nozzles. Remove Screws (pos. 16) and Spring washers (pos. 16) and Hub cover (pos. 19). Draw out Hub (pos.
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ï Return to menu Maintenance and Repair (continued) Hub Assembly Instruction Manual, Toftejorg TZ-67 Page 17 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Stem Subassembly Disassembly Place machine in upside-down position. Remove Screws (pos. 15) in Gear wheel (pos. 7). To prevent rotation of Stem (pos. 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.
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ï Return to menu Maintenance and Repair (continued) Stem Subassembly Instruction Manual, Toftejorg TZ-67 Page 19 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Gear Subassembly Disassembly 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 Screws (pos. 15). Hold Turbine shaft (pos. 6) against 1st stage Worm wheel (pos. 33) with one hand and loosen Screws (pos.
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Hold Turbine shaft (pos. 6) against 1st stage Worm wheel and tighten 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-67 Page 21 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Replacement of Collar Bushes 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 28) knock out Collar bush.
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ï Return to menu Maintenance and Repair (continued) Replacement of Collar Bushes Instruction Manual, Toftejorg TZ-67 Page 23 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) 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.
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ï Return to menu Maintenance and Repair (continued) Replacement of Ball races Instruction Manual, Toftejorg TZ-67 Page 25 IM-TE91A100-EN1...
ï Return to menu Maintenance and Repair (continued) Replacement of Main Collars Although normally exposed to very limited wear, it is possible to replace Main collars (pos. 26.1 and 26.2) in Body. The procedure to do this is described below. Main collar upper Place Body (pos.
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ï Return to menu Maintenance and Repair (continued) Replacement of Main Collars Instruction Manual, Toftejorg TZ-67 Page 27 IM-TE91A100-EN1...
ï Return to menu Tools Standard Tool kit for Toftejorg TZ-67, Article no. TE81B050 Tool No. Description TE134 Hex Key for Screw 1 pcs. TE134A Hex Screwdriver for Screw 2 pcs. Available on request: TE81B033 Pusher for Gear frame Sketch of Tools for replacement of Collar bush...
ï Return to menu Tools (continued) Sketch of tools for replacement of Main collars TE81B129: Tool for Upper collar TE81B130: Tool for Lower collar Instruction Manual, Toftejorg TZ-67 Page 29 IM-TE91A100-EN1...
ï Return to menu Trouble Shooting Guide Symptom: Slow rotation or failure of the machine to rotate Possible causes Action No or insufficient liquid flow a). Check if supply valve is fully open. b). Check if inlet pressure to machine is correct. c).
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Mount Hub and Stem in Body (see page 16 and 18). 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-67 Page 31 IM-TE91A100-EN1...
ï Return to menu Reference List of Parts Toftejorg TZ-67, Parts List No./ Pos. Ref. no. unit Description Material Remarks TE21B500 Nipple 1½" BSP Stainless steel Spare part TE21B501 Nipple 1½" NPT Stainless steel Spare part TE703 Guide 100% Stainless steel...
Collar bush 3 pcs. TE828Z Horizontal shaft 1 pcs. Upgrade kit including parts, new instruction manual, 1.5 working hours for upgrade and test. Machine subject to upgrade is to be sent to Alfa Laval workshop. Page 34 Instruction Manual TZ-67 IM-TE91A100-EN1...
1 pcs. TE21B549 Lip seal 1 pcs. Upgrade kit including parts, new instruction manual, 1.5 working hours for upgrade and test. Machine subject to upgrade is to be sent to Alfa Laval workshop. Instruction Manual, Toftejorg TZ-67 Page 35 IM-TE91A100-EN1...
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.
ï Return to menu Service Card Type of Machine Serial No. Configuration Nozzle diameter Impeller Guide No. of Working Maintenance Actions/ Remarks Sign. Date Hours Exchanged Parts Machine put into operation V. 94.2 Instruction Manual, Toftejorg TZ-67 Page 37 IM-TE91A100-EN1...
ï Return to menu Claim Report Working Conditions Page 1/2 Ref. Claim Case Machine/Cleaner Type Serial No.: Configuration - Nozzles x ø - Turbine/Inlet Guide Working Conditions Inlet pressure at machine/cleaner Type of Valve in inlet line Can hydraulic shock be disregarded: Inlet line flushed before installation of tank cleaner? Working hours before failure hours...
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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/fibres High viscous Crystallizing Is tank cleaner submerged in material? Other information/Remarks Date: Sign.: Instruction Manual, Toftejorg TZ-67 Page 39 IM-TE91A100-EN1...
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