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CTE ZED 20.3 AH Instructions For Use And Maintenance Manual

Mobile elevating work platform
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INSTRUCTIONS
FOR USE AND
MAINTENANCE
MOBILE ELEVATING
WORK PLATFORM
20
FABRICATION NR. .........................
COD UM0295_01_GB | REV. 01 | ED: 09/2020
®
AH
.3

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Summary of Contents for CTE ZED 20.3 AH

  • Page 1 ® INSTRUCTIONS FOR USE AND MAINTENANCE MOBILE ELEVATING WORK PLATFORM FABRICATION NR......COD UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 2 It is prohibited to reproduce, store or alteration, even partial, of this publication, without written permission by the CTE SPA. CTE S.P.A. reserves the right to make changes to the lifting platform, for any technical and commercial need, without having to update every time this publication.
  • Page 3 ........................2.6.5 Ambient air temperature ....................... 2.6.6 Humidity ............................15 2.6.7 Noise level ............................15 2.6.8 Vibrations and crashes ......................... 2.6.9 Gas emissions ..........................16 2.6.10 Contaminant agents ........................ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 4: Table Of Contents

    _______________________________________________ 5.11 Control device for driving on the road _________________________________________ 5.12 Work platform overload device ______________________________________________ 5.12.1 Load cell calibration procedure ...................... 5.13 Spirit level ____________________________________________________________ ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 5 ..................8.5.4 Lubricating the turntable ......................... Hydraulic system maintenance _____________________________________________ 8.6.1 Hydraulic cylinders ........................10 8.6.2 Hydraulic system pipes ........................ 8.6.3 Pressure check and valve adjustment ..................ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 6 Problems, causes and remedies ____________________________________________ 12.2 List of alarms ___________________________________________________________ 12.2.1 Reset alarm ............................4 13 Diagrams and Attachments 13.1 Electrical system diagram __________________________________________________ 13.2 Hydraulic system diagram _________________________________________________ ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 7 15 Optional equipment and accessories 15.1 Dead-man-control: pedal in the basket on the work platform _______________________ 15.2 5000V Insulated work platform ______________________________________________ 15.3 Auxiliary electric motor ____________________________________________________ ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 8: Index

    INDEX ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 9: General Information

    The manufacturer shall hold themselves exempt from all responsibility and obligations for any damage and/or injury caused by the following: • Use of the machine outside the limits described in this manual. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 10 This symbol is used to highlight operations or procedures that are STRICTlY PROHIBITED. OBlIGATORY Round symbol with blue background and white symbol. WARNING Note on key functions or useful information regarding the operation in progress. 1.3.2 Illustrations ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 11 The operator is directly responsible for the machine and its use. This manual does not contain instructions for maintenance operations, which must be performed only by specialised personnel or by CTE SpA authorised service centres. CAUTION Before using the machine, carefully read the manual and be sure you understand all the safety standards and operating instructions.
  • Page 12 O P T I O N A L E Q U I P M E N T A N D lists the optional devices and describes them ACCESSORIES 1.3.6 Intended readership ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 13 The technical information (text, drawings and illustrations) contained in this manual are property of CTE S.p.A. and should be considered confidential. It is strictly prohibited to disclose, reproduce or translate this document, in whole or in part, without written authorisation from CTE S.p.A. ZED 20.3 AH Aerial work platform...
  • Page 14 The assembly consisting of the mobile platform and the vehicle (or carriage). Service engineer A qualified technician trained for carrying out the maintenance. Authorised service Company with one or more qualified technicians authorised by the centre manufacturer to carry out extraordinary maintenance and repairs. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 15 All devices and systems used to stabilise the mobile elevating work platforms by supporting and/or levelling the entire mobile elevating work platform or extending structure, for example jacks, suspension locking devices etc. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 16 Hazardous area Any area inside and/or near a machine where there is a continuous risk for the safety and health of the persons exposed. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 17 COUNCIL dated 8 May 2000 on the approximation of the laws of the 2000/14/EC 08/05/2000 Member States relating to the noise emission in the environment by equipment for use outdoors. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 18: Intended And Improper Use

    Any mode or condition of use that does not fall within the limitations of use described in this manual and not intended by the manufacturer is forbidden. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 19 The manufacturer declines all responsibility for damage to property and/or injury to persons caused by failure to observe the following warnings. CAUTION Tampering with PPE and/or removing the lead-sealed and painted seals is strictly prohibited. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 20: Electrocution Hazard

    Maximum load is specified on the labels attached to the stabilisers and in the manual’s technical specifications. Position the machine only on a level and stable surface. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 21 Below is an excerpt from the BEAUFORT scale. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 22 28-33 Whole trees in motion; effort breaking waves Near gale 50-61 needed to walk against the begins to be blown wind. in streaks along the direction of the wind. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 23 • Start the engine if there is an odour or trace of gas, petrol, diesel fuel or other explosive substances. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 24: Machine Hazards

    Ensure that the manual is intact, legible and kept in the special container in the cab. • The machine is equipped with an internal combustion engine that generates noise, the values of which are show in Chapter 3. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 25 The operators should be suitably instructed on the use of the lifting platform. It is particularly important that the operator on the ground preventively knows the exact position and use of controls for emergency manoeuvres. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 26 Notification of unforeseen circumstances (such as wear, yielding, breakages, etc.) due to unforeseeable causes and therefore not dealt with in this document. Supervision of the recording of operations performed in workshops authorised by CTE. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 27 Before manoeuvring, always check that there are no obstacles or persons in the way. CAUTION The manufacturer shall bear no liability if the above standards are not complied with. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 28: Road Traffic

    Check that the route is not too bumpy and uneven. • Always bear the machine’s dimensions in mind when driving (consult the technical specifications). CAUTION Make sure the overall dimensions indicated in the technical data comply with the limits set forth by the Standard governing road traffic in the Country of use of the lifting platform. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 29 Delimitation of the operating area Before operating the lifting platform, always first check the environmental conditions and visibility and arrange suitable signs to demarcate the operating area such as: • Barriers • Tapes delimiting the area • Signage (prohibition, warning, danger etc.) ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 30 Use appropriate signals for operations on roadworks sites. Fig. Maximum outreach of the aerial work platform (AWP) Maximum working height Diagram is indicative only. For data and all measurements, refer to Chapter 3. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 31 2.5 m/sec² • the weighted root mean square acceleration value to which the main body is exposed is less than 0.5 m/sec ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 32: Ionising And Non-Ionising Radiation

    If the operator detects a contaminant agent that could cause the machine to malfunction, s/he must immediately call a CTE assistance centre to verify its suitability for use. 2.6.11 Ionising and non-ionising radiation The electrical equipment DOES NOT have additional protection against radiation (microwaves, ultra violet rays, laser, X-rays).

  • Page 33: Personal Protective Equipment (Ppe)

    DANGER! It is prohibited to use the anchorage point on the platform to connect fall arrest systems. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 34: Additional Personal Protective Equipment

    Risk of crushing feet when stabilising the machine. • Risk of crushing limbs by boom joints during the closing process. The areas of risk are indicated with labels (see Chapter 3). ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 35: Description And Technical Data

    Chapter 15. General description of the machine The ZED 20.3 AH elevating work platform consists of a frame bolted to the chassis of the vehicle. The upper part of the frame consists of a slip resistant aluminium platform.

  • Page 36: Classification

    DESCRIPTION DESCRIPTION Upper Bottom Right-hand side Left-hand side Rear Front The following diagrams illustrate the references and the convention used to identify the machine’s stabilisers. Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 37: Identification Information And Ce Marking

    NON LOADED MASS WITH VEHICLE ° ° ° INCLINAZIONE MASSIMA AMMISSIBILE DEL TELAIO: MAXIMUM ALLOWABLE INCLINATION OF CHASSIS: ALIMENTAZIONE ELETTRICA ESTERNA EXTERNAL ELECTIC POWER CODE Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 38: Description Of Main Units

    Elevating work platform Turret Control board on work platform Ground electrical panel Telescopic boom Emergency controls distributor Articulated lifting cylinder Turntable Articulated boom Rear stabiliser Power take-off button Fig. The picture shows one possible configuration of the machine, which may vary. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 39: Main Adhesive Labels

    "T". Il differenziale deve scattare. Ripristinare il dispositivo sollevando le leve dell'nterruttore generale. Se ciò non avviene non utilizzare la presa elettrica e rivolgersi ad un Centro Assistenza CTE per la riparazione. ISO-VG32 - VIETATO SOSTARE NEL RAGGIO D'AZIONE DELLA MACCHINA...

  • Page 40: Technical Specifications

    For any other data, please refer to the “technical features for the MEWP and inspection logbook” booklet supplied and which is an integral part of the machine. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 41: Dimensions

    Width of stabilised vehicle (max) 2620 mm Width of stabilised vehicle (min) 2566 mm AL BASKET 2900 3750 7648 2246 Fig. FBR BASKET 2879 3750 2246 7627 Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 42 Width of stabilised vehicle (max) 2620 mm Width of stabilised vehicle (min) 2566 mm AL BASKET 3085 3665 1004 7754 2246 Fig. FBR BASKET 3064 3665 1004 2246 7733 Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 43: Working Envelope

    Chapter 3 DESCRIPTION AND TECHNICAL DATA Working envelope 3.8.1 Work envelopes and load according to the stabilisation IVECO 3,5t Al BASKET Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 44 Chapter 3 DESCRIPTION AND TECHNICAL DATA IVECO 3,5t FBR BASKET Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 45 Chapter 3 DESCRIPTION AND TECHNICAL DATA MERCEDES 3,5t Al BASKET 3.10 Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 46 Chapter 3 DESCRIPTION AND TECHNICAL DATA MERCEDES 3,5t FBR BASKET 3.11 Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 47: Controls

    ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 48: Stabilisation Control Panel

    Moving the lever upwards retracts the Front left stabiliser control stabiliser lever Front right stabiliser control lever • Levelling check spirit level Indicates the correct levelling of the vehicle. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 49: Cabin Control Panel

    When lit, it indicates that the stabilisers have been completely retracted retracted. The machine is ready to be moved. indicator light Comes on when the power take-off is engaged and at the same Power take-off light time an audible signal is activated. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 50: Ground Control Panel

    Turning the key to the left activates the main control panel in the lifting platform. • Turn the key to the vertical "neutral" position for driving on public roads. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 51 Use the spirit level to check that it is positioned correctly. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 52: Control Panel In The Work Platform

    Power supply present; • The green light comes on to indicate that the power supply is on and that it is possible to manoeuvre the platform. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 53: Power Take-Off Control

    The power take-off control depends on the model of the vehicle. On some vehicles, the power take-off is engaged electrically. In this case, there is a control button on the dashboard and a relative indicator light. Other vehicles have a mechanical power take-off that is engaged by using a manual control lever. CAUTION Depress the clutch before engaging or disengaging the power take-off. Never drive with the power take-off engaged, this could cause damage to the gear and hydraulic pumps. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 54: Emergency Controls Station

    Each manoeuvre must be activated individually and, once the manoeuvre is completed, the knob must be loosened (without forcing it) and bring it back to position. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 55: Safety Devices

    Fig. DANGER Before rearming the buttons, the causes for its use must be carefully evaluated. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 56: Alarms-Warnings

    Within the command panel in the work platform: • the first is activated, accompanied by a continuous sound, when the PTO is activated; • the second is activated, accompanied by a continuous sound, when the stabilisers have not been fully retracted. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 57: Stabilisers And/Or Beams Not Completely Retracted

    Lift the aerial unit for more than two cm. It will not be possible to perform any operations using the stabilisation levers (Fig. 4.2, 1, 2, 3, 4 and 5). Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 58: Aerial Manoeuvres Enabling

    Stabilise the machine so that indicator lights (Fig. 4.4, 1, 2, 3 and 4) come on; • retract one stabiliser until the corresponding light turns off; • Try to move the aerial platform. It should not be possible to do so. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 59: Manual Emergency Pump

    • Manually operate the lever of the emergency hand pump (Fig. 5.5, 2) and at the same time operate the electrical controls on the control panel. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 60: Maximum Pressure Valve

    (4); • on the telescopic boom extension cylinder (5); • on the telescopic boom lifting cylinder (6); • on the work platform levelling cylinder (7). Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 61: Stabilisation Control Device

    LED in the cab (see Fig. 4.3, 4) is illuminated, indicating that the micro switches are operating correctly (Fig. 5.8, 2). ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 62: Turret Rotation Control Device

    ‘go’ indicator on the cab panel lights up and the platform is entirely closed, reach to be driven on the road. Fig. 5.10 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 63: Work Platform Overload Device

    This is only possible if the current load value reading is between -10% and +10% of the maximum load around the original zero. It is always possible to carry out this calibration procedure. Simply follow the procedure outlined below: 5.12 Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 64 Press button DW3 to exit from the procedure. Switch off the board and make sure that the device is working correctly. CAUTION If the device malfunctions of there are problems with the calibration procedure, please contact the Service Centre ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 65: Spirit Level

    Only one harness system can be attached to each attachment point. The state of each attachment point (wear and affixing) must be checked periodically. Notes: standard platform GRP platform (optional). Fig. 5.14 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 66 Chapter 5 SAFETY DEVICES This page intentionally left blank ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 67: Procedures For Use

    Check and evaluate the actual work safety conditions (ground, wind, levelling etc.). • Always cordon off the work area. The operator must stop all operations if unauthorised personnel are present in the work area or on the bed of the vehicle. • Turn on the flashing beacons when the platform is operational. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 68 Before getting onto the work platform, ensure that the weight of the operator and the equipment does not exceed the values indicated in the load capacity diagram and on the CE plate (see section 3.3). ZED 20.3 AH Aerial work platform...

  • Page 69: Operating Stages

    Starting the vehicle Procedure: • Sit in the driver’s seat. • Make sure the vehicle won’t move by pulling the handbrake and place the gear lever in neutral. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 70 Before starting any manoeuvre (in cold weather), it is advisable to run the hydraulic system pump at idle speed for a few minutes so that the oil reaches the minimum working temperature (about 40° / 5 min) to allow it to flow correctly. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 71 Before getting onto the platform, make sure that the machine is properly stabilised: chassis lifted and level, weight taken off the suspensions and all four stabilisers resting on suitably firm ground. If the ground is not firm enough to withstand the weight, use planks that are suitable for the purpose and that have been checked before use. Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 72 Keep a safe distance from electrical lines (see section 2.3.1). Rotate, lift and lower the boom with caution. Do not lean out from or hold onto the outside of the work platform. ZED 20.3 AH Aerial work platform...
  • Page 73 On the machines equipped with a pantograph anti-collision device, all dangerous manoeuvres are blocked when close to the vehicle cabin while all other manoeuvres are allowed. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 74 (Fig. 6.3, 1, 2, 3 & 4); • check that the stabiliser indicator lights turn off (Fig. 6.2, 1, 2, 3 & 4); • rotate the key to the “neutral” position and remove it from the selector switch (Fig. 6.2, 8). ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 75: Switching Off The Vehicle

    • Pull the parking brake. • Remove the key. • Lock the doors. • Check that the control panels, carters and any equipment containers are closed ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 76 Chapter 6 PROCEDURES FOR USE This page intentionally left blank ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 77 DANGER! The occurrence of the cases listed results in hazardous situations. Therefore, operators are required to stop all manoeuvres and close the platform safely and immediately contact CTE authorised repair shop to have the normal machine use conditions restored. CAUTION In some set-ups, the machine is provided with optional equipment such as: Electric pumps, Electric Engines, Auxiliary Engines.
  • Page 78 If you notice that the work platform is not perfectly level with respect to the horizontal, lower it to the ground and get off. The procedure for restoring safe working conditions (work platform horizontal), is described in Chapter 8 “Maintenance” and should be carried out by a qualified technician. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 79 (9). Fig. OBlIGATORY Contact the Assistance Centre in order to replace the key in the turret with a lead wire seal. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 80 (Fig. 7.4, 2, 3, 4); Fig. lower the platform to the ground following the indications shown in the diagram on the label (Fig. 7.4, 5) above the cover: ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 81 Put the machine out of service and contact the Assistance Centre to check and repair the fault and attach a new lead wire seal onto the valves. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 82 Chapter 7 EMERGENCY MANOEUVRES This page intentionally left blank ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 83: Maintenance

    Repair all damage and/or faults before putting the machine back into service. Perform a quarterly check on any machines that have been out of service for more than three months before putting them back into service. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 84: Inspection Logbook

    MAINTENANCE Inspection logbook The inspection logbook issued by CTE to the platform owner (pursuant to the meaning of Annex I to Directive 2006/42/EC) is to be considered an integral part of the machine and must accompany the machine throughout its operational life until it is scrapped.
  • Page 85 Check the operation of the controls in the platform and on the ground 8.7.1 Check safety devices (Emergency Stop) 8.7.1 Test limit switches 8.7.2 Test power supply differential circuit breaker in the platform. 15.3 Lubrication and greasing O = to be done by an operator M = to be done by a qualified technician ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 86 Check turntable fixing screws 8.8.1 Check the correct tightness of all connecting bolts from the subframe to the 8.8.2 truck O = to be done by an operator M = to be done by a qualified technician ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 87 Check slewing ring clearance 8.10 Check condition of paint 8.13 Check and carry out maintenance on chains and/or cables 8.14 O = to be done by an operator M = to be done by a qualified technician ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 88 Replace hydraulic pumps 8.6.4 Replace cylinder seals 8.6.1 Check condition of paint 8.13 Replace cables and/or chains 8.14 O = to be done by an operator M = to be done by a qualified technician ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 89: Maintenance Of Mechanical Components

    (refer to the “Tightening torque” table) 8.4.2 Combustion engine For maintenance of the internal combustion engine, follow the instructions indicated in the vehicle manufacturer’s manual. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 90: Lubrication And Greasing

    Check the lubrication of the sliding elements. If they are dusty or dirty, clean them and remove the grease. Then, using a brush, apply a thin layer of NLGI 2 grease mixed with 50% of ISO VG 32 hydraulic oil. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 91 Lubricating the turntable Every three months or every 500 hours of operation, check and lubricate the turntable. These intervals can be varied according to the actual operating conditions. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 92: Hydraulic System Maintenance

    Hydraulic oil Before use, visually check the level of the hydraulic oil by using the indicator on the tank (Fig. 8.2, 3). The level should be at the centre of the indicator. If necessary, remove the filler cap and top it up. (Fig. 8.2, 1). Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 93: Hydraulic Oil Filter

    Replace the hydraulic oil filter as follows: • unscrew the filter (Fig. 8.3, 2) using the special key if necessary; • insert the new filter and tighten it, taking care to lubricate the sealing gasket with grease. • top up the hydraulic oil tank (Fig. 8.2, 3) and check the level on the special indicator (Fig. 8.2, 1). ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 94 By doing this it is possible to level the working platform (completely lower and raise the platform and then align it). ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 95 Place the key selector switch in the “ baskt controls” position; Remove the key and close the cover of the control panel. Fig. DANGER When levelling the work platform, it is prohibited to use telescopic swing. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 96: Electrical System

    Lower the boom, retract the stabilisers one at a time and check that it is not possible to operate the boom. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 97 250 hours of operation or the first 3 months and generally least every 12 months or 1000 hours. CAUTION Do not exceed the values indicated by the dynamometric wrench. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 98 250 hours of operation or the first 3 months and generally least every 12 months or 1000 hours. CAUTION Do not exceed the values indicated by the dynamometric wrench. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 99 Unscrew the nut by half a turn to allow a slight clearance between the elements. CAUTION While inserting the boom, do not exert excessive pressure on the sliding blocks; this may damage the structure of the booms. Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 100 The measured value must be less than or equal to: Bmax = 1.50 mm If the measured value is greater, contact an authorised service centre. Fig. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 101 It is recommended to lubricate the slewing ring every six months or every 500 hours of operation. CAUTION DO NOT MOVE THE PlATFORM WHEN AN OPERATOR lUBRIFICATE THE TURNTABlE AND PINION TEETH Only use the type of grease indicated in the technical specifications. Otherwise, contact the Assistance Services or an Authorised Workshop. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 102 If used in a harsh environment, cleaning must be carried out weekly and if used in a corrosive environment the machine should be cleaned daily. CAUTION After cleaning, always grease and lubricate all the parts indicated in section 8.5 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 103 If the primer becomes damaged and bare metal is exposed during sanding, it should be touched up using an acrylic primer Spray, Dinitrol 8500. Apply one coat of two-component acrylic or polyacrylic enamel paint. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 104 Dinitrol 4010 • for all the hydraulic fittings, junction boxes, supports, pipes, heads and pins use Dinitrol 977. All work must be carried out by an authorised CTE workshop or a company specialized in surface treatment and paintwork. CAUTION Use only Corroheat 4010 Dinitrol also for all the galvanized parts including the slewing ring bolts and for all the valve blocks located under the truck bed.

  • Page 105: Checking The Cables

    The grease should be left to dry once it has been applied. CAUTION Chemicals and solvents must not be used for cleaning. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 106 (lubrication and tensioning) every year or 1,000 hours of use; • state of wear, every year or 1,000 hours of use; • replacement every 10 years or 10,000 hours of use. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 107 Tightening the chains The chain should be tensioned as follows: Unscrew the nuts (fig. 8.12, 1): Tighten the nuts using a TORQUE WRENCH (fig. 8.12, 2 ). Fig. 8.12 CAUTION Do not move the chains during tensioning. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 108 Chapter 8 MAINTENANCE This page intentionally left blank ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 109: Demolition And Disposal

    Dismantle the machine into small units that can be easily transported. CAUTION The demolition of the machine must be performed by specialised and qualified companies as they have the proper equipment, tools and machines to carry out the work. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 110 CAUTION The disposal of the machine can be assigned to companies specialised and trained to carry out this kind of work. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 111: Transport And Storage

    Check the load capacity of the ramp and the truck on which the machine will be placed. • Never lift the platform by its boom when loading the machine onto the truck. CAUTION Never tow the machine if you are not familiar with the specific instructions for doing so. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 112   (MEWP) to prevent unauthorised use. If the machine is fitted with a battery isolator switch,   disconnect the battery. Lubricate and grease.  Protect the machine with a suitable protective cover  ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 113: Support And Warranty

    • reference code and technical description (see Spare Parts Catalogue) of the part that is damaged and / or to be replaced. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 114 The warranty does not cover the replacement and/or repairs of parts that are worn out or damaged during ordinary use of the machine. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 115: Troubleshooting

    Damaged pump Replace the pump ■ The machine does not lift the Valves incorrectly Adjust the valves ■ work platform adjusted Worn cylinder seals Replace seals ■ ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 116 Worn pump Replace the pump ■ * ■ Repair to be carried out at a CTE authorised workshop. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 117 The coil does not work Replace the coil ■ * ■ Repair to be carried out at a CTE authorised workshop. CAUTION For anything not described in this table, please contact the Service Centre. ZED 20.3 AH Aerial work platform...

  • Page 118: List Of Alarms

    MCS5 circuit problems 12.2.1 Reset alarm The alarm is reset automatically when the cause of the error has been corrected. The operator cannot force the alarms to reset. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 119 Chapter 13 DIAGRAMS AND ATTACHMENTS DiaGraMs anD attachMents Diagrams and Attachments ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 120: Electrical System Diagram

    Chapter 13 DIAGRAMS AND ATTACHMENTS 13.1 Electrical system diagram Fig. 13.1 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...

  • Page 121: Hydraulic System Diagram

    Chapter 13 DIAGRAMS AND ATTACHMENTS 13.2 Hydraulic system diagram Fig. 13.2 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 122 Chapter 13 DIAGRAMS AND ATTACHMENTS Fig. 13.3 ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 123 Below is a facsimile of the EC declaration delivered with the machine and which should be kept carefully by the Customer. If it is lost, please contact Customer Services as soon as possible. +39 0464 711200 Phone: +39 0464 485099 Fax: ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/20...
  • Page 124 (edited according to Annex II letter A of Directive 2006/42/CE) CTE S.P.A. via Caproni 7 – Z.I. – 38068 Rovereto (TN) - ITALY, “manufacturer”, in accordance with the above directive, of the following mobile elevating work platform (machine included in Annex IV of the Machinery Directive): ...

  • Page 125: Optional Equipment And Accessories

    Put the gear lever in neutral. • Pull the parking brake. • Connect the electric motor to an external 220V electricity supply via the socket (7) ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 126 DANGER Make sure that the mains electricity supply is protected by appropriate circuit breaker and that the earthing system complies with current safety standards. ZED 20.3 AH Aerial work platform COD. UM0295_01_GB | REV. 01 | ED: 09/2020...
  • Page 127 Headquarter and Factory via caproni, 7 38068 rovereto (tn) Factory loc. terramatta, 5 37010 rivoli veronese (vr) Tel. +39 0464 48.50.50 Fax +39 0464 48.50.99 info@ctelift.com www.ctelift.com...
  • Page 128 CTE S.p.A. Headquarter and Factory via caproni, 7 38068 rovereto (tn) Factory loc. terramatta, 5 37010 rivoli veronese (vr) Tel. +39 0464 48.50.50 Fax +39 0464 48.50.99 info@ctelift.com www.ctelift.com...