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Operating instructions
Tray transport cart
TTW
Read the instructions prior to performing any task!

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Summary of Contents for Hupfer Tray transport cart/E

  • Page 1 Operating instructions Tray transport cart Read the instructions prior to performing any task!
  • Page 2 Internet: www.hupfer.com Document information Last update: 12.08.2024 Index: 2, en_GB All texts, figures and graphic designs are protected by copyright. Reproduction, distribution and issuing are permitted for internal company purposes only. © Hupfer Metallwerke GmbH & Co. KG, Coesfeld 2024...
  • Page 3: Table Of Contents

    Tray transport cart Operating instructions Table of contents General information ............. Produktinformationen ............ Target group ..............Symbols ................ Product description ............. Function ................ Overview ............... Equipment features ............Variants ................. Equipment options ............Technical data ............... Rating plate ..............Safety information ............... Intended use ..............
  • Page 4 Tray transport cart Operating instructions Finishing operation ............29 Process chain with N’Ice & Easy cooling ...... Care and cleaning ..............Care instructions ............Cleaning intervals ............Permissible cleaning types ........... Permissible cleaning agents ......... Material compatibility ............ Manual cleaning ............Mechanical cleaning .............
  • Page 5: General Information

    Tray transport cart Operating instructions General information Produktinformationen Product name Tray transport cart Product types TTW/E, TTW/M, TTW/V Target group These operating instructions are intended for the following groups of people who perform the listed activities with or on the product: Maintenance engineer ■...
  • Page 6: Symbols

    Tray transport cart Operating instructions Symbols DANGER “Danger” indicates a hazardous situation that will result directly in death or serious injury. WARNING “Warning” indicates a hazardous situation that may result in serious injury. CAUTION “Caution” indicates a potentially hazardous situation that may result in minor to moderate injury.
  • Page 7: Overview

    Tray transport cart Operating instructions Overview Overview of TTW/E Fig. 1: Overview of TTW/E Push bar Friction-damped towing device Door stop Chassis with bumper strip Extension for drain plug Fixed castor Middle panel as support ledge frame Runners on the support ledge frame 10 Swivel castor 11 Transport latch Optional equipment...
  • Page 8 Tray transport cart Operating instructions Overview of TTW/M Fig. 2: Overview of TTW/M Top gallery Top with bumper strip Push bar HGV transport securing device Chassis with bumper strip Central direction lock tread Extension for drain plug Swivel castors with direction lock Insert for eutectic plates 10 Condensate pan 11 Door seal...
  • Page 9 Tray transport cart Operating instructions Overview of TTW/V Fig. 3: Overview of TTW/V N'Ice & Easy top Flap support Top with bumper strip Door with air guide strip HGV transport securing device Push bar Chassis with bumper strip Fixed castor Drain valve for ice reservoir 10 Grounding strap 11 Runner...
  • Page 10: Equipment Features

    Tray transport cart Operating instructions Equipment features Housing Made of stainless steel, fully enclosed. Double-walled transport carts are insulated. Impact protection Chassis with continuous polymer bumper strip. Interior With compartments for inserting trays. In the TTW/M and TTW/V variants, the base plate with raised edge at the door opening serves as drip protection.
  • Page 11: Variants

    Tray transport cart Operating instructions Variants Model Tray transport cart/E Tray transport cart/M Tray transport cart/V Construction Single-walled Double-walled Double-walled Modular construction Seamlessly welded inte- rior Insulation Standard version Standard version Cooling No cooling Standard version Standard version Standard version...
  • Page 12: Technical Data

    Tray transport cart Operating instructions Pitch 97 mm 105 m 115 mm Tray orientation Crosswise insertion Lengthwise insertion Passive cooling By means of size GN-1/1 (530 × 325 mm) eutectic plates, frozen eutectic plates are inserted into a push-in rack inside the cart. The eutectic plate holder also serves as a condensate pan.
  • Page 13: Safety Information

    Tray transport cart Operating instructions 11 Refrigerant 14 Certification mark/CE label if available 12 Refrigeration capacity 15 Disposal of old appliances 13 Protection code Safety information Intended use The tray transport cart is used to transport food on trays. Tray transport carts with passive or N’Ice &...
  • Page 14: Safety Instructions

    Tray transport cart Operating instructions Safety instructions 3.3.1 General information The transport cart may only be used in a technically sound condition, while taking risks and safety into consideration, for its intended pur- pose and in accordance with the operating instructions. All operating elements and controls must be in a technically sound condition and function reliably.
  • Page 15: Operation And Use

    Tray transport cart Operating instructions 3.3.3 Operation and use Transport trolleys can move off by themselves and in an uncontrolled manner if the wheels are not locked. Secure the stationary transport trolley against rolling away. Do not park on sloping ground. Only move transport trolleys with the locks released.
  • Page 16: Safety Devices

    Tray transport cart Operating instructions 3.3.6 Safety devices Locks on the castors. The locks must be activated when the transport trolley is stationary to prevent the transport cart from rolling away. Direction lock on the swivel castors. The direction lock must be acti- vated when moving the cart and on sloping ground.
  • Page 17: In-House Transport

    Tray transport cart Operating instructions In-house transport WARNING Risk of crushing A tray transport trolley rolling in an uncontrolled way may crush people. − Never leave the transport cart to roll unattended. − Only drive uphill or downhill if you can control the transport trolley.
  • Page 18: Commissioning

    Tray transport cart Operating instructions Commissioning WARNING Risk of crushing A tray transport trolley rolling in an uncontrolled way may crush people. − Never leave the transport cart to roll unattended. − Only drive uphill or downhill if you can control the transport trolley.
  • Page 19: Operation

    Tray transport cart Operating instructions Operation Opening and closing doors Extension for drain plug To lock the open doors in place, extensions for drain plugs are attached on the lower bumper strips. Open the doors. Flip the doors over until the doors snap into place behind the extensions for drain plugs.
  • Page 20: Moving The Transport Cart

    Tray transport cart Operating instructions Moving the transport cart WARNING Risk of crushing A tray transport trolley rolling in an uncontrolled way may crush people. − Never leave the transport cart to roll unattended. − Only drive uphill or downhill if you can control the transport trolley.
  • Page 21 Tray transport cart Operating instructions Actuating the central lock tread Optionally, the transport carts have a central lock tread. With the cen- tral lock tread, the locks on both swivel castors are operated simultane- ously. The central lock tread for the locks is marked [Stop.] Engage the lock as shown on the left.
  • Page 22 Tray transport cart Operating instructions Actuating the direction lock WARNING Contusion hazard Transport carts on which the direction lock has been released roll from side to side when in motion. Transport carts on which the direc- tion lock has been released can move off under their own weight and in an uncontrolled manner on inclined surfaces, e.g.
  • Page 23 Tray transport cart Operating instructions Moving with the push handles WARNING Contusion hazard Transport carts rolling in an uncontrolled way may crush persons. − Never leave the transport cart to roll unattended. − Only drive uphill or downhill if you can control the transport cart. If necessary, involve a second person.
  • Page 24 Tray transport cart Operating instructions Moving with the towing device CAUTION Risk of tipping over Heavily loaded transport carts may lurch and tip over during traction operation. − Slow down the train of transport carts. Operating instructions for towing device There are separate operating instructions for trans- port carts with towing devices.
  • Page 25: Keeping Food Cold

    Tray transport cart Operating instructions Keeping food cold N’Ice & Easy cooling WARNING Contamination of the hygienic area If a transport cart is brought into the hygienic area without prepara- tion, the transport cart endangers the hygienic condition of the area. −...
  • Page 26 Tray transport cart Operating instructions NOTICE Damage to the middle panel When the flaked ice is forcefully filled into the ice storage, the ice compacts and exerts great pressure on the middle panel. The middle panel bulges, trays no longer fit in the runners and weld seams may crack.
  • Page 27: Loading With Trays

    Tray transport cart Operating instructions Passive cooling Precooling time The necessary duration of the precooling depends on several factors (appliance size, ambient temperatures etc.). The values specified for the precooling time are reference values. Slide the frozen eutectic plates into the holders on the middle panel.
  • Page 28: Removing Trays

    Tray transport cart Operating instructions Check the position of the crockery, cutlery and covers is correct on each tray. Close the trolley doors. Removing trays WARNING Risk of burns There is a risk of burns from heated food, heating zones, plates and covers.
  • Page 29: Finishing Operation

    Tray transport cart Operating instructions Finishing operation Secure the transport trolley with the locks when stationary. Remove all trays from the interior. �� The transport trolley is ready for cleaning. Passive cooling Remove the eutectic plates. Empty the condensate pan. Clean the transport cart.
  • Page 30: Care And Cleaning

    Tray transport cart Operating instructions Prerequisites Steps Result Note Load the transport cart after preparation. The time between prepara- tion and loading should be as short as possible. Loading Prerequisites Steps Result ■ ■ ■ The transport cart has been Load the transport cart The transport cart is filled with cleaned...
  • Page 31: Cleaning Intervals

    Tray transport cart Operating instructions Door seals The door seals become brittle over time, for example due to high temperature fluctuations. Treat them at regular intervals with commercially available care products for lip seals. Cleaning intervals Interval Maintenance work After each use Cleaning the transport trolley As needed and according to the Cleaning the housing...
  • Page 32 Tray transport cart Operating instructions NOTICE Damage due to high-pressure cleaning Seals on the door and housing can become loose due to direct high- pressure jets and damage will result. − Do not point the spray directly at the seals. −...
  • Page 33: Permissible Cleaning Agents

    Tray transport cart Operating instructions Permissible cleaning agents NOTICE Incorrect cleaning agents Incorrect treatment of the installed material surfaces will result in damage and corrosion. − Only use cleaning agents approved for cleaning. − Follow the instructions of the cleaning agent manufacturer. Suitable cleaning agents The manufacturer cannot assess the suitability of specific detergents or disinfectants.
  • Page 34: Material Compatibility

    Tray transport cart Operating instructions Cleaning agent Approval Alkaline cleaning agents pH 8 ‒ 14 ■ Alkalis Abrasive cleaning agents ■ Scouring pad ■ Pot scrubber Non-abrasive cleaning agents ■ Uncoated sponges ■ Soft cloths Material compatibility When selecting the cleaning agent, make sure it is compatible with the materials used.
  • Page 35 Tray transport cart Operating instructions Removing the middle panel for cleaning Remove all objects from the interior. Lift up the middle panel. Tilt the middle panel about 5° to the side. Pull the middle panel out downwards. You can put the middle panel back by reversing the steps described above.
  • Page 36 Tray transport cart Operating instructions Allow the descaling agent to take effect. Drain the descaling agent. Rinse the reservoir, lid and hinges thoroughly with unconta- minated water until all traces of cleaning agent have been removed. Completely dry the areas around the lid, hinges and ice reser- voir.
  • Page 37: Mechanical Cleaning

    Tray transport cart Operating instructions Mechanical cleaning CAUTION Inadequate cleaning The hygienic cleaning of the transport trolley is determined by the set- tings of the washing device. Incorrect settings can lead to inadequate cleaning. − Check the hygienic condition of the transport cart after cleaning. −...
  • Page 38 Tray transport cart Operating instructions Machine-cleaning the TTW/V Transport carts of the type TTW/V are approved for machine cleaning if the washing device meets the requirements stipulated in the “Approved cleaning types” chapter. If the operating conditions of the washing device used deviate from the specifications in the “Approved cleaning types”...
  • Page 39: Disinfecting

    Tray transport cart Operating instructions Open the doors fully. �� The doors snap into place behind the extension for drain plug. Additionally secure the doors when the trolley is being cleaned in washing devices with rotating platforms. Empty the transport trolley completely, including the top gallery. Completely drain the condensate from the N'Ice &...
  • Page 40: Maintenance And Repair

    Tray transport cart Operating instructions Maintenance and repair WARNING Unqualified staff Danger from incorrect handling of mechanical components. − Only qualified personnel may carry out maintenance work. Maintenance intervals Depending on the load, the transport trolley should be checked regu- larly for to ensure it functions properly.
  • Page 41: Troubleshooting

    Tray transport cart Operating instructions Troubleshooting Troubleshooting In the event of malfunctions and complaints within the guarantee period, contact our service partners. After the guarantee period has expired, have any necessary repair work carried out by our service partners or electricians. Fault description Cause Remedy...
  • Page 42: Disposal

    Tray transport cart Operating instructions Disposal Help protect our environment. Make sure that the materials are recycled. − Have the device disassembled and disposed of by recycling companies. All the materials are recyclable. Personnel: ■ Maintenance engineer Dispose of the product using the following steps. Take the components to a designated disposal centre.

This manual is also suitable for:

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