Wacker Neuson 28Z3 Operator's Manual
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Wacker Neuson 28Z3 Operator's Manual

Track excavator
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OPERATOR'S MANUAL
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5200005459
0312
Track Excavator
28Z3
1.0

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  • Page 1 5200005459 0312 Track Excavator 28Z3 OPERATOR’S MANUAL...
  • Page 2 Copyright – 2010 Wacker Neuson Linz GmbH, Linz-Leonding Printed in Michigan U.S.A All rights reserved No part of this publication may be reproduced, translated or used in any form or by any means – graphic, electronic or mechanical including photocopying, recording, taping or information storage or retrieval systems – without prior permission in writing from the manufacturer.
  • Page 3 Supplementary sheet VDS 28z3 1.1 Tilting the upper carriage – Vertical Digging System 28z3 (option) Vertical digging on slopes is possible by tilting the upper carriage hydraulically by 15° with the VDS. Tilting the upper carriage: ☞ Hold button 1 ☞...
  • Page 4 VDS lubrication points (option) Apply grease to lubrication points A once a week. Abb. 2: VDS lubrication points 28z3 - Ausgabe 1.0 * * vds_28z3_en.fm...
  • Page 5 Violations of legal regulations, in particular of the copyright protection, will be subject to civil and criminal prosecution. Wacker Neuson Linz GmbH keep abreast of the latest technical developments and constantly improve their products. For this reason, we may from time to time make changes to diagrams and descriptions in this documentation which do not reflect products which have already been delivered and which will not be implemented on these machines.
  • Page 6 Supplementary Operator’s Manual for Protective Structures for Excavators Definition of the term “Protective Structure” Protective structures are additional elements that protect the operator or user against risk. These elements can be installed later on or as standard equipment. Explanation of abbreviations ROPS: Roll Over Protective Structure TOPS:...
  • Page 7 Supplementary Operator’s Manual for Protective Structures for Excavators Safety Symbols Found In This Manual Important indications regarding the safety of the personnel and the machine are identified in this Supplementary Operator’s Manual with the following terms and symbols: DANGER WARNUNG DANGER indicates a hazardous situation which, if not avoided, will result in death or serious injury.
  • Page 8 Check the cab/canopy/rollbar and all protective structures once a day for dam- age. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Edition 1.0 * Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 9 Not all protective structures are available for all machines, and not all protective structures can be combined with each other. If you are not sure, contact a Wacker Neuson service center. Edition 1.0 Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 10 Supplementary Operator’s Manual for Protective Structures for Excavators Definition of FOPS/Front Guard categories Category I: FOPS and Front Guard to protect against small falling objects or small objects penetrating the cab from the front of the machine, such as bricks, small pieces of concrete, tools, for machines that are used for repairing roads, landscaping work and for working on other construction sites, for instance.
  • Page 11 • Accidents cannot be fully avoided despite equipping a machine with protective structures. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Fig. 1: FOPS category I (symbolic representation) Edition 1.0 Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 12 Important The protective FOPS structure corresponds to category I according to ISO 3449:1992 (valid for 38Z3) or according to ISO 3449:2008 (valid for 28Z3). • Follow all local, state, or national regulations covering falling objects. • The operator must ensure that only work is performed that does not require any higher protection.
  • Page 13 • Accidencts cannot be fully avoided despite equipping a machine with protective structures. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Fig. 3: FOPS category I (symbolic representation) Edition 1.0 Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 14 • Accidencts cannot be fully avoided despite equipping a machine with protective structures. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Fig. 4: FOPS category II (symbolic representation) 1-10 Edition 1.0 * Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 15 • Accidencts cannot be fully avoided despite equipping a machine with protective structures. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Fig. 5: Front Guard with integrated FOPS (symbolic representation) 1-11...
  • Page 16 Important The protective Front Guard structure corresponds to category I according to ISO 10262:1998 (valid for 2503/28Z3/3003/3503/3703/38Z3). • Follow all local, state, or national regulations covering falling objects. • The operator must ensure that only work is performed that does not require any higher protection.
  • Page 17 • Accidencts cannot be fully avoided despite equipping a machine with protective structures. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. Fig. 7: Protective Front Guard structure (symbolic repre- sentation) 1-13...
  • Page 18 Supplementary Operator’s Manual for Protective Structures for Excavators Emergency exit for cab equipped with protective Front Guard structure WARNUNG WARNING Cutting Hazard. Risk of injury due to broken glass. Risk of personal injury. • Only smash windows in an absolute emergency. •...
  • Page 19 Do not use brushes, steel wool or other abrasive cleaners for cleaning the polycarbonate disc. Do not wipe dust in a dry state. Important Protective structures may only be installed or removed by an authorized Wacker Neuson Service Center. 1-15 Edition 1.0 Supplementary Operator’s Manual for Protective Structures for Excavators...
  • Page 20 Work area with shatter protection Height of work area A: 120 cm (47 in). Figures 13 and 14 refer to work with a Wacker Neuson hydraulic hammer. Important Working with another attachment can modify the height of the work area.

  • Page 21: Table Of Contents

    Safety criteria ..................... 2-8 Conditions for safe operation ................2-8 Attachments ......................2-8 General information regarding attachments ............2-8 Installation notes ....................2-9 Transport and Towing ....................2-9 Towing ....................... 2-9 Transporting ...................... 2-9 OM 28Z3 US - Edition 2.0 * Ba28Z3us2_0IVZ.fm...
  • Page 22 Stopping and parking the machine ................ 3-21 Stop the machine ..................... 3-21 Parking the machine on slopes ................ 3-22 Light system ......................3-23 Roof lights (option) ................... 3-23 Interior light ...................... 3-24 Rotating beacon (option) ................. 3-24 OM 28Z3 US - Edition 2.0 * * Ba28Z3us2_0IVZ.fm...
  • Page 23 Left-hand side control lever ................3-52 Boom swivel controls ..................3-52 Auxiliary hydraulics ..................3-53 Right-hand side control lever ................3-53 Lowering the boom with the engine switched off ..........3-54 Releasing pressure ..................3-54 OM 28Z3 US - Edition 2.0 * Ba28Z3us2_0IVZ.fm...
  • Page 24 Water separator ....................5-5 Engine lubrication system ..................5-6 Checking the oil level ..................5-6 Adding engine oil ....................5-7 Engine and hydraulics cooling system ..............5-8 Checking / filling up coolant ................5-8 OM 28Z3 US - Edition 2.0 * * Ba28Z3us2_0IVZ.fm...
  • Page 25 Engine ........................6-1 Hydraulic system ..................... 6-1 Undercarriage and swivel unit ................. 6-2 Stabilizer blade ......................6-2 Work hydraulics ....................... 6-2 Electric system ......................6-3 Fuse box in engine compartment ..............6-3 OM 28Z3 US - Edition 2.0 * Ba28Z3us2_0IVZ.fm...
  • Page 26 Lift capacity table 28Z3 .................... 6-6 Lift capacity table 28Z3, long stick option ..............6-7 Lift capacity table 28Z3, extra weight option ............6-8 Lift capacity table 28Z3, long stick and extra weight options ........6-9 OM 28Z3 US - Edition 2.0 * * Ba28Z3us2_0IVZ.fm...
  • Page 27 Putting into operation ................3-2 Check lists ..................3-7 Putting the machine into operation for the first time ....... 3-6 Safety instructions ................3-6 Refuelling ....................5-2 Rotating beacon .................. 3-24 Running-in period .................. 3-6 OM 28Z3 US - Edition 2.0 * Ba28Z3us2_0SIX.fm...
  • Page 28 Noise levels ..................6-4 Vibration ..................6-4 Work hydraulics ................6-2 Starting aid ...................3-14 Track maintenance ................5-23 Ventilation ....................3-24 Ventilation, fresh air ..............3-24 Washer system ..................3-25 Tank ....................3-26 Working Freeing the machine ..............3-74 Practical hints ................3-74 OM 28Z3 US - Edition 2.0 * * Ba28Z3us2_0SIX.fm...

  • Page 29: Important Operator Information

    Wacker Neuson's written authori- zation, otherwise warranty and product liability for possible damage caused by these modifications shall not be applicable. Your Wacker Neuson dealer will be pleased to answer any further questions regarding the machine or the Operator's Manual. Abbreviations/symbols •...

  • Page 30: Machine Overview

    Engine cover Handle Fuel filler inlet Counterweight pre-installation Exhaust pipe Lifting and tie down point Lubrication point for track tension Rotating beacon Auxiliary hydraulics Valve cover Fig. 1: Machine outside views OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 31: Brief Description

    Introduction Brief description The model 28Z3 excavator is a self-propelled work machine. Get informed on and follow the legal regulations of your country. This machine is a versatile and powerful tool for moving earth, gravel and debris on con- struction sites and elsewhere. A wide range of attachments accounts for the numerous applications of the machine, among others hammer and grab applications.

  • Page 32: Fields Of Application, Attachments

    In order to avoid damage to the machine, only the attachments listed below have been certified for installation on the machine. • Contact your Wacker Neuson dealer if you wish to use other attachments. Caution! Personal injury or equipment damage hazards. Using other manufactures’...

  • Page 33: Operator Qualifications

    • Persons are expected to perform reliably. • They have been appointed by the contractor for operating and servicing the earth moving machine. • Get informed on and follow the legal regulations of your country. OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...

  • Page 34: Ec Declaration Of Conformity For Machines Delivered Before The 29Th December 2009

    Place of storage of technical documentation: Wacker Neuson Linz GmbH Department: R & D Haidfeldstr. 37 A-4060 Linz-Leonding Linz-Leonding, (date) _ _ _ _ _ _ Josef Erlinger/Managing Director Wacker Neuson Linz GmbH OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...
  • Page 35 DIN EN ISO 12100-1 and 2, DIN EN 474-1 and 5, DIN EN 14121, DIN EN 3471, DIN EN 13510, EN ISO 3744, EN ISO 3746, DIN EN ISO 3449 Leonding, Thomas Köck, Josef Erlinger, Place, date Responsible for documentation Managing director OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...

  • Page 36: Declaration Of Conformity For Machines Without The Ce Mark At The Type Plate

    DIN EN ISO 12100-1 and 2, DIN EN 474-1 (except 7.3.) and 5, DIN EN 14121, DIN EN 3471, DIN EN 13510, EN ISO 3744, EN ISO 3746, DIN EN ISO 3449 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 37: Type Labels And Component Numbers

    ROPS(ISO 3471) or FOPS (ISO 3449). Fig. 3: Cab type label Engine number The type label (arrow) is located on the valve cover (engine). Example: Yanmar 46557 Fig. 4: Diesel engine number OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 38 Introduction Hydraulic quickhitch system Fig. 5: Type label (hydraulic quickhitch system) Powertilt Fig. 6: Powertilt type label 1-10 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 39: Symbols (Up To Ag01685)

    This label warns persons standing or working near the excavator of an existing safety haz- ard within the area around the machine. Location On either side of the arm system Fig. 11: Safety alert symbol 1-11 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 40 In the engine compartment on the partition wall on the right next to the battery master switch, at the rear of the cab behind the hydraulic oil filler neck Fig. 17: Hydraulic oil reservoir under pressure 1-12 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...
  • Page 41 Pinch point hazard. Always use the handles to open and close the front window! Always lock the front window with both locks! Location In the upper right of the cab. Fig. 21: Opening and closing the front window 1-13 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 42 • Always read the Maintenance section of this Operator’s Manual before releasing or tightening the tracks to avoid potential injury from ejected grease. Location 1000135227 On the undercarriage near the opening to insert the grease fitting. Fig. 26: Tighten tracks 1-14 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 43: Symbols (From Ag01686)

    Introduction 1.11 Symbols (from AG01686) Overview 1-15 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...

  • Page 44: Symbols

    On either side of the undercarriage at the supporting rollers. Fig. 30: Direction arrows Description Fill location for diesel fuel. Location Near the fuel filler neck in engine compartment. Fig. 31: Diesel 1-16 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...
  • Page 45 Description Explains the joystick functions (control pattern ”B”). Check before starting the machine the control pattern that has been chosen! Location On the cab roof. Fig. 35: Control pattern B (option) 1-17 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...

  • Page 46: Safety Labels

    Wear safety goggles and gloves when opening the cover. Location In the engine compartment. Fig. 38: Rotating V-belt Description Hot surface! Do not touch. Location Engine compartment near exhaust system. Fig. 39: Hot surfaces 1-18 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...
  • Page 47 On either side of the boom. Fig. 43: Keep distance 1 Description Accumulator is under high pressure. Always read the Operator's Manual before performing maintenance or repairs Location On the accumulator. Fig. 44: Under pressure 1-19 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 48 Wear safety googles and gloves when opening the bleed screw. Location Over the relay box in the engine compartment. Fig. 48: High pressure 1-20 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...
  • Page 49 Operate within the stability limits of machine, do not overload, use only approved attach- ments and operate only on solid ground. Follow the instructions in the Operator's Manual. Location On the B pillar in the cab. Fig. 50: Seat, fastening the seat belt 1-21 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 50 The Powertilt function is enabled once the excavator is started. This function is not assigned. The Powertilt unit can be rotated with the slide switch on the right-hand side control lever. Fig. 51: Cab label 1-22 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 51: Fire Extinguisher

    • The maximum number of holes is two. Important! Check the fire extinguisher at regular intervals, also make sure it is safely mounted. 175 mm (7’’) Fig. 52: Position of fire extinguisher 1-23 OM 28Z3 US – Edition 2.0 * 28Z3b110.fm...
  • Page 52 Introduction 1-24 OM 28Z3 US – Edition 2.0 * * 28Z3b110.fm...

  • Page 53: Safety Information

    Failure to observe the instructions identified by this symbol can result in damage to the environment. The environment is in danger if environmentally hazardous material, such as waste oil, is not subject to proper use or disposal. OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...

  • Page 54: Warranty

    Wacker Neuson. Wacker Neuson will not be liable for damage resulting from unapproved parts or unauthorized modifications. 5. Wacker Neuson shall not be liable for personal injury and/or damage to prop- erty caused by failure to observe the safety instructions on labels and in this Operator’s Manual, and by the negligence of the duty to exercise due care...

  • Page 55: User Training And Knowledge

    This also applies to the installation and adjustment of safety devices and valves, as well as to welding work on load-bearing elements. • Spare parts must comply with the technical requirements specified by Wacker Neuson. Contact your Wacker Neuson dealer for assistance.
  • Page 56 • The machine may be driven with a raised load only if the path of the machine is level! • The machine operator must not raise loads over persons. • The machine operator may not leave his seat as long as the load is raised. OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 57: Operator And Technician Qualifications And Basic Responsibilities

    • Observe all safety, warning, and informational signs and labels on the machine. • Start and operate the machine from the seat only. • The operator must sit in the seat, fasten and adjust the seat belt before putting the machine into operation. OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...

  • Page 58: Starting And Stopping

    • Never operate the machine if you are standing on the ground. • Operate the machine ONLY when you are seated and you have fastened your seat belt. Stop the engine before releasing the seat belt. OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 59: Carrying Passengers

    • When crossing underpasses, gates, bridges and tunnels, or when passing under overhead lines, make sure the clearance height and width are sufficient to avoid contact. • Empty the bucket before traveling on public roads. OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...

  • Page 60: Applications With Lifting Gear

    • Especially when driving or working with machines equipped with a quickhitch for the attachments, make sure the attachment is securely locked in the quickhitch. The lock pin must be visible on either side of the bores on the attachment. Check before starting work. OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 61: Installation Notes

    • Always tighten any screws, electrical connections, or hose connections that may have been loosened during maintenance. • Upon completion of the maintenance and repair work, immediately refit and check any safety devices removed for set-up or maintenance purposes. OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...

  • Page 62: Personal Safety Measures

    • Do not allow the machine to be serviced, repaired, or test-driven by unauthorized personnel. • If maintenance with the engine running cannot be avoided, lower the stabilizer blade and raise the control lever base. 2-10 OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 63: Special Hazards

    • Perform maintenance and repair work beneath a raised machine, attachments or additional equipment only if a safe and secure support has been provided for (the sole use of hydraulic cylinders, jacks etc. does not sufficiently secure raised machines or equipment/attachments) 2-11 OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...

  • Page 64: Tracks

    Noise • Close all doors and windows if practical. • Wear ear protection. This is especially important when performing hammer operations or working in enclosed areas. 2-12 OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 65: Msds

    • Replace the fuel tank cap after refueling. When fueling the engine: • Do not smoke. • Do not refuel a hot or running engine. • Do not refuel the engine near an open flame. 2-13 OM 28Z3 US – Edition 2.0 * 28Z3b210.fm...
  • Page 66 Safety Information 2-14 OM 28Z3 US – Edition 2.0 * * 28Z3b210.fm...

  • Page 67: Operation

    ➥ Description of the effects or results of an activity. n. s. = not shown “Opt” = option Stated whenever controls or other components of the machine are installed as an option. OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...
  • Page 68 Operation OM 28Z3 US – Edition 2.0 * * 28Z3b320.fm...

  • Page 69: Cab Overview

    Round display element ...................................3-16 Drive pedal (left) .................................3-16 Drive pedal (right) ..................................3-16 Drive lever (left) ..................................3-16 Drive lever (right) ............................3-13 Drive interlock status indicator (option) ................................3-24 Cab isolation mount ............................3-13 Drive interlock emitter/receiver unit OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...
  • Page 70 Operation Control element on control console Control element on cab wall Control elements for proportional controls version (option): Control element on control console Control element on cab wall OM 28Z3 US – Edition 2.0 * * 28Z3b320.fm...

  • Page 71: Instrument Panel Overview

    ..............................3-75 Safe load indicator light (option) ............................3-61 Hydraulic quickhitch switch (option) ........................3-46 Proportional control status indicator lights (option) ..................................3-25 Washer system ..................................3-23 Working lights ................................3-23 Roof lights (option) ................................3-24 Rotating beacon (option) OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...

  • Page 72: Operating The Excavator

    • Do not run the engine at high rpm for extended periods. • Strictly observe the maintenance schedules in the appendix. – see chapter 5.15 Maintenance plan (overview) on page 5-35 OM 28Z3 US – Edition 2.0 * * 28Z3b320.fm...

  • Page 73: Check Lists

    14 Engine cover safely locked? (➠ 3-32) Especially after cleaning, maintenance or repair work: ➥ Rags, tools and other loose objects removed? 16 Correct seat position? (➠ 3-26) 17 Seat belt fastened? (➠ 3-28) OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...

  • Page 74: Operation Checklist

    Cab locked, especially if the machine cannot be supervised? (➠ 3-31) When parking on public roads: Machine adequately secured? When parking on slopes: Machine also secured with chocks under the tracks to prevent it from rolling away? OM 28Z3 US – Edition 2.0 * * 28Z3b320.fm...

  • Page 75: Operating The Excavator

    Starter is actuated Starts the engine ➥ Indicator lights must go out Throttle lever: overview The throttle lever controls the engine speed as follows: • Continuously (throttle lever 17) Fig. 4: Revs control OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...

  • Page 76: Indicator Lights And Warning Lights: Overview

    Stop the engine immediately. ☞ Have the cause repaired by an authorized Wacker Neuson service center. The V-belt or the charging circuit of the alternator is malfunctioning if the indicator light comes on with the engine running. The battery is no longer charged.

  • Page 77: Cold Starter Indicator Light (Yellow)

    Refuel immediately if the fuel level indicator reaches minimum. Otherwise the fuel system must be bled if it is run dry. 37 Hour meter Records the engine service hours with the engine running. 3-11 OM 28Z3 US – Edition 2.0 * 28Z3b320.fm...

  • Page 78: Before Starting The Engine

    If the engine still does not start after the second try. ☞ Contact a Wacker Neuson service center for troubleshooting. ➥ As soon as the engine runs: ☞ Release the starting key. Fig. 6: Indicator lights 3-12 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 79: Starting With The Drive Interlock (Option)

    Release the starting key. When the engine runs smoothly (increased engine speed): Important! In general, a battery delivers less energy in cold conditions. Therefore make sure the battery is always well charged. 3-13 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 80: When The Engine Has Started

    • Route the jumper cables so they do not become entangled in rotating components in the engine compartment. 3-14 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...
  • Page 81 With the engine running, disconnect both jump leads in exactly the reverse order (first 12 V – remove the terminal, then the terminal) – this prevents sparking in the vicinity of the battery! Starting battery Fig. 8: Starting aid with jump leads 34001b710 05.eps 3-15 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 82: Special Instructions For Operating On Public Roads

    Forward or reverse drive speed depends on the position of the drive levers or drive pedals. Important! Make sure both tracks move as you change direction, otherwise the tracks are subject to increased abrasion. 3-16 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 83: High Speed

    The parking brake is automatically applied by mechanical springs when the hydraulic pro- pulsion control is set to neutral, releasing the hydraulic pressure to the motors. Actuating the propulsion control to move the machine provides hydraulic pressure to automatically release the brake. 3-17 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 84: Operating On Slopes

    • If the sliding blocks slip as you travel uphill and if it is no longer possible to move on with the force of the tracks alone • Do not apply pressure with the boom to move the machine. 3-18 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 85: Operating On Slopes

    If the engine stops as you travel across a slope, immediately put the control levers to neutral position and start the engine again. Fig. 13: Driving diagonally or at an angle 3-19 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 86: Stabilizer Blade Operation

    Push forward Stabilizer blade is lowered • 2 Pull backward Stabilizer blade is raised Important! Check the position of the stabilizer blade before driving the machine. Fig. 14: Stabilizer blade operation 3-20 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 87: Stopping And Parking The Machine

    • Let the engine run at idling speed with no load for at least 5 minutes before you stop it. Important! Secure the machine against unauthorized operation. • Lock the cab. • Fold up the control lever. • Remove starter key. 3-21 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 88: Parking The Machine On Slopes

    Always fold the control lever base up before leaving the seat. ☞ Place the stabilizer blade downhill and lower it to the ground. Fig. 15: Parking the machine on slopes 3-22 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 89: Light System

    Press the light symbol on switch 45 to the 2nd position ☞ ➥ Press the ribbed end of switch 45 up Indicator light in switch goes out Fig. 17: Roof lights switch 3-23 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 90: Interior Light

    Press the fan symbol on switch 39 to the High fan speed speed second position ☞ ➥ Press the ribbed end of switch 39 Fan OFF Fig. 20: Air circulation in cab 3-24 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 91: Heating Adjustment

    Important! Do not actuate the washer system with the front window folded up. Do not actuate the washer system if the tank is empty, otherwise this may damage the electric pump. 3-25 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 92: Tank For Washer System

    • Select a seat position which will not damage the window panels when working with the machine. Fig. 24: Seat adjustment 3-26 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 93: Weight Adjustment

    Pull handle 11 forward and, at the same time, lean back to push the backrest into the required position. ☞ Release handle 11 and allow it to lock into place. Fig. 27: Backrest adjustment 3-27 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 94: Seat Belt

    • Insert buckle latch A into buckle B with an audible click (pull test). • Tighten the seat belt by pulling at its end. ➥ The seat belt must always be tightly in place over the hips! Fig. 28: Fastening the seat belt 3-28 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 95: Emergency Exit

    • Enter and exit the cab through the side and front windows in an emer- gency only. Opening the front window completely: ☞ – see Front window on page 3-30 3-29 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 96: Front Window

    Lock the front window again by means of levers A in lock F. ☞ Pull levers A upward to do this. ☞ Check whether both levers A are actually locked in rails F. Fig. 31: Front window 3-30 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 97: Door

    Push the latch lever down to unlatch the door. Fig. 33: Inside door opener (left/right) Securing an open door: ☞ Press the door against bracket C of latch D with an audible click. Fig. 34: Door arrester 3-31 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 98: Side Window

    Turn the starting key in lock A counter-clockwise (L). ➥ Engine cover locked. ☞ Turn the starting key in lock A clockwise (R). Fig. 37: Engine cover lock ➥ Engine cover unlocked. 3-32 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 99: Exit Through The Door

    Enter and leave the cab only through the door as a rule. You can enter and exit the cab through the front and the right-hand side window in an emergency. – see chapter 3.12 Emergency exit on page 3-29 3-33 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 100: Armrest Adjustment

    If the machine must be towed, follow the guidelines and proce- dures below. The towing bracket A has a maximum admissible load of 1750 daN (3934 ft.lbs. / 1784,5 kgf.) 3-34 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...
  • Page 101 Do not jerk the machine. ☞ When towing the machine, do not exceed the maximum operating speed of the excavator. – see 2 speed ranges on page 6-2 Fig. 40: Towing bracket 3-35 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 102: Lifting Excavator

    Excavator Length 28Z3 2000 mm (6’ 7’‘) 28Z3 3470 mm (11' 5’’) Authorized loads Force Boom lift eye 40 kN (8992 ft.lbs.) Stabilizer blade lift eye 40 kN (8992 ft.lbs.) 3-36 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 103: Loading And Transporting The Machine

    • Do not allow anyone to stay in the cab, and close the doors and the engine cover. Important! The manufacturer's warranty shall not apply to accidents or damage caused by loading or transporting the excavator. 3-37 OM 28Z3 US – Edition 2.0 * 28Z3b330.fm...

  • Page 104: Tying Down The Excavator

    • Make sure the driver of the transport vehicle knows the overall height, width and weight of his vehicle (including excavator) before departure, as well as the legal transport regulations of the country or countries where transport is to take place! 3-38 OM 28Z3 US – Edition 2.0 * * 28Z3b330.fm...

  • Page 105: Operating The Machine

    • Do not use the impact force of the attachment to perform demolition work. Dislodged debris can cause personal injury or damage to property and/or equipment. Look out for high-voltage cables, underground cables, gas and water pipes during excava- tion work! 3-39 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 106: Control Levers/Control Pattern ''A'': Overview

    Swivel boom to the left: ☞ Move hammer pedal 1 to the left. Swivel boom to the right: ☞ Move hammer pedal 1 to the right. Fig. 45: Swivel controls 3-40 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 107: Auxiliary Hydraulics

    ➥ Backward Boom is raised ☞ ➥ To the left Fills bucket Fig. 47: Right-hand side control lever Button Function ☞ ➥ Horn Fig. 48: Functions of right-hand side control lever 3-41 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 108: Lowering The Boom With The Engine Stopped

    Rotate the upper carriage to the right as follows: ☞ Push the left-hand side control lever 2 to the right B ➥ The upper carriage rotates to the right Fig. 51: Rotating the upper carriage to the right 3-42 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 109: Swivel Unit Brake

    It is operated independently from the hydraulic brake of the upper carriage. Important! The mechanical brake functions only to prevent upper carriage rotation. It does not function as a machine propulsion brake. 3-43 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 110: Changeover Valve For Control Pattern''b''(Option)

    To the left Fills bucket Fig. 54: Right-hand side control lever Directional valve position The directional valve is located at the left behind the seat. Fig. 55: Directional valve position 3-44 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 111: Directional Valve

    Warning! Possible equipment damage or injury hazard. Never drive or work with the machine if wing nut J is malfunctioning or missing! • Immediately contact Wacker Neuson to replace a malfunctioning or miss- ing wing nut. Fig. 56: Directional valve 3-45 OM 28Z3 US –...

  • Page 112: Control Lever With Proportional Controls (Option): Overview

    • Pressing button C ensures full throughput regardless of the characteristic curve that has been selected. 3-46 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 113: Measures To Be Taken In Case Of Malfunctions

    Upper carriage rotates to the right ☞ ➥ Backward Stick is retracted ☞ ➥ To the left Upper carriage rotates to the left Important! Always perform smooth control movements. Fig. 57: Left-hand side control lever 3-47 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 114: Boom Swivel Controls

    Switching on hammer operation: ☞ Press and hold button C on the control lever. Switching off hammer operation: ☞ Release button C on the control lever. Fig. 60: Hammer operation 3-48 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 115: Adjusting Control Response

    Indicator light 1 in status display 42 flashes twice after switching on ignition. Important! The characteristic curve that has been set last is active after the machine is started again. 3-49 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 116: Lowering The Boom With The Engine Switched Off

    Fig. 65: Lowering the arm system with the engine switched Releasing pressure Proceed as follows: ☞ Stop the engine. ☞ Move the control lever in all directions a few times. ☞ This releases the pressure in the hydraulic system. 3-50 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 117: Rotating The Upper Carriage

    It is operated independently from the hydraulic brake of the upper carriage. Important! The mechanical brake functions only to prevent upper carriage rotation. It does not function as a machine propulsion brake. 3-51 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 118: Control Lever If Equipped With 3Rd Control Circuit (Option): Overview

    Swivel boom to the left: ☞ Move hammer pedal 1 to the left. Swivel boom to the right: ☞ Move hammer pedal 1 to the right. Fig. 69: Swivel controls 3-52 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 119: Auxiliary Hydraulics

    Fig. 71: Right-hand side control lever Button Function ☞ ➥ Horn ☞ ➥ Operates the 3rd control circuit ☞ ➥ Operates the 3rd control circuit Fig. 72: Functions of right-hand side control lever 3-53 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 120: Lowering The Boom With The Engine Switched Off

    Rotate the upper carriage to the right as follows: ☞ Push the left-hand side control lever 2 to the right B. ➥ The upper carriage rotates to the right. Fig. 75: Rotating the upper carriage to the right 3-54 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 121: Rotating Upper Carriage

    It is operated independently from the hydraulic brake of the upper carriage. Important! The mechanical brake functions only to prevent upper carriage rotation. It does not function as a machine propulsion brake. 3-55 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 122: Releasing The Pressure On The Work Hydraulics

    Uncouple the attachment immediately after the pressure has been released, otherwise pressure can be created again! 3-56 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 123: Coupling And Uncoupling Attachments

    • After the attachment is connected to the excavator stick and before resuming operation, make sure the attachment is safely locked with the stick and the tilt rod, or with the quick hitch option. 3-57 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 124: Removing A Bucket

    Fig. 77: Mounting a bucket • Tighten lock screw G. • Actuate the stick ram until bores H and I are flush. • Insert the greased pin J. • Lock linch pin K. 3-58 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 125: Quickhitch (Option)

    • Insert tube P (included in scope of delivery) in clamping sleeve Q. • Press the tube upward. • The lock pins must be in position S. Fig. 79: Bucket with quickhitch 3-59 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 126: Hydraulic Quickhitch (Option)

    Apply grease to the friction surfaces of the lock mechanism via 2 further grease nipples N on either side of the quickhitch (see Fig. 80). Before starting work, check the acoustic signal which must be audible when pressing switch B. Fig. 80: Lubrication 3-60 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 127: Operation

    Operate the stabilizer blade (raise as far as it will go). ➥ The quickhitch closes. ☞ Disengage switch B. ➥ The buzzer is mute. ➥ The hydraulic quickhitch is disabled. ☞ Check the bucket and make sure it is firmly installed! 3-61 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...
  • Page 128 Disengage switch B ➥ The buzzer is mute Shovel bucket operation With some restrictions, Wacker Neuson backhoe buckets can also be used for shovel bucket operation. NOTICE Possibility of machine damage. Do not tilt the bucket fully back in shovel bucket operation (see ), otherwise the bucket base may Fig.

  • Page 129: Powertilt (Option)

    Slewing range 180° Load hook Hydraulic connection 1/4” Hydraulic connection 1/4” Type label Caution! Welding work may be performed only by an authorized workshop or customer service! Fig. 84: Powertilt overview 3-63 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 130: Re-Equipping

    Start the engine. ☞ Slighty raise and lower the boom to take the load off the pin. Fig. 86: Removing ☞ Stop the engine. ☞ Fold the control lever base up. 3-64 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 131: Port

    Before any work, make sure the attachment is mounted correctly and that it is fully functional. Do not allow anyone to stay in the danger area! ☞ Do not operate an attachment with a malfunctioning lock ! 3-65 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 132: Right-Hand Side Control Lever (Powertilt)

    ☞ ➥ • A To the left Powertilt turns to the left ☞ ➥ • B To the right Powertilt turns to the right Fig. 90: Right-hand side control lever 3-66 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 133: Connections For Auxiliary Hydraulics

    Fig. 92: Grab couplings Changing over the ball-type cock: Bucket operation: ☞ Set the ball-type cocks to position A. Grab operation: ☞ Set the ball-type cocks to position B. Fig. 93: Grab ball-type cock 3-67 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 134: Attachments

    • Lock the machine and the attachment. Fig. 94: Transport position • Have damage to the hydraulic system and to the load holding control valve itself immediately repaired and checked by an authorized Wacker Neuson service technician. Environment! Collect the spilled hydraulic oil in a suitable container.

  • Page 135: Working With The Excavator

    Do not suddenly drop the bucket to increase penetration, break material, or compact material. ➥ Working this way can greatly reduce the machine's service life. Fig. 97: Avoid impact during operation 3-69 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...
  • Page 136 Do not ram objects with the stabilizer blade. ☞ Do not pry objects with the stabilizer. ☞ Do not support the excavator on one corner of the stabilizer blade. Fig. 100: Stabilizer blade fully lowered 3-70 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 137: Excavator Work Position

    ☞ In case of large trenches, first excavate the side sections and then the center section. Fig. 105: Excavating trenches 3-71 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...

  • Page 138: Loading

    • The machine can be used for excavating trenches sideways in confined areas ☞ by rotating the upper carriage and swivelling the main boom (combined position and movement of both). Fig. 108: Excavating trenches sideways 3-72 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 139: Working Alongside Trenches

    • We recommend using work position (Fig. 109) described above for opti- mum machine stability. However, make sure piston rod A does not touch stabilizer blade B under any circumstances. Fig. 110: Deep excavation 3-73 OM 28Z3 US – Edition 2.0 * 28Z3b340.fm...
  • Page 140 Under alternate circumstances, the bucket can be curled to free the machine in the direction of the curling action. ➥ Once the machine has reached a firm surface, maneuver away from the unstable surface conditions. 3-74 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...

  • Page 141: Grading

    Possibility of personal injury or equipment damage from an inaccurate or non- functioning safe load indicator. • Always switch on the safe load indicator! • Contact your Wacker Neuson dealer if the safe load indicator is not adjusted correctly. Engage the safe load indicator as follows: ☞...
  • Page 142 Operation 3-76 OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm...
  • Page 143 The information given in this chapter is provided for maintenance personnel for fast and reliable detection of malfunctions and their appropriate repair. Repairs must beperformed by an authorized Wacker Neuson service center. OM 28Z3 US – Edition 2.0 * 28Z3b410.fm...

  • Page 144: Troubleshooting Engine Trouble

    Engine does not run on all cylinders Malfunctioning fuel injector Oil level too low Insufficient or no engine oil pressure Machine inclination too high Wrong SAE grade of engine lubrication oil 5-34 OM 28Z3 US – Edition 2.0 * * 28Z3b410.fm...

  • Page 145: Malfunctions Of The Powertilt Unit

    A little play due to necessary spacing between teeth is normal. Malfunctioning grease decompression valve of lubrication system, Grease cannot be applied to Powertilt grease nipples. or grease decompression valve has been replaced by a grease nip- ple or plug. OM 28Z3 US – Edition 2.0 * 28Z3b410.fm...
  • Page 146 Troubleshooting OM 28Z3 US – Edition 2.0 * * 28Z3b410.fm...

  • Page 147: Maintenance Introduction

    “A” must be performed by an qualified operator. All other maintenance work must be per- formed by an authorized Wacker Neuson service center. The maintenance plans indicate when the maintenance work mentioned below must be performed – see Maintenance plan (overview) on page 5-35. OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 148: Fuel System

    Fill up the tank with the correct fuel type at the end of each working day. This pre- vents condensation water from forming in the fuel tank overnight. Do not fill the tank completely but leave some space for the fuel to expand. OM 28Z3 US – Edition 2.0 * * 28Z3b510.fm...

  • Page 149: Draining The Fuel

    • Only fill the tank using refueling aids (funnels or filler pipes) with integral microfilter right • Keep all refueling containers clean at all times Fig. 114: Refueling from a barrel OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 150: Diesel Fuel Specification

    If the engine runs smoothly for a while and then stops, or if it does not run smoothly:. • Stop the engine. • Bleed the fuel system again as described above. • Have this checked by a qualified technician if necessary. OM 28Z3 US – Edition 2.0 * * 28Z3b510.fm...

  • Page 151: Water Separator

    Screw thread A back on again. Fig. 115: Water separator Environment! Thread A is fitted with a hose. Collect the water as it drains with a suitable container and dispose of it in an environmentally friendly manner. OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 152: Engine Lubrication System

    Push it back in as far as possible. ☞ Withdraw it and read the oil level. ☞ If necessary, add oil at the latest when the oil reaches the MIN mark on the oil dipstick A. OM 28Z3 US – Edition 2.0 * * 28Z3b510.fm...

  • Page 153: Adding Engine Oil

    • Close filler cap B • Push oil dipstick A back in as far as possible • Completely remove all oil spills from the engine Fig. 117: Oil dipstick and oil filler cap OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 154: Engine And Hydraulics Cooling System

    Never add cold water/coolant if the engine is warm! Environment! Use a suitable container to collect the coolant as it drains and dispose of it in an environ- mentally friendly manner! OM 28Z3 US – Edition 2.0 * * 28Z3b510.fm...

  • Page 155: Specific Safety Instructions

    • Do not store or use coolant or coolant mixtures near open flames including smoking materials. ☞ Dispose of used coolant through approved methods for recycling. Do not dispose of coolant or mixtures in sewers, toilets or dumping on the ground. OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 156: Checking The Coolant Level

    The coolant level must be between the LOW and FULL tank seams. ☞ If necessary, add coolant and repeat the procedure until the coolant level remains con- stant. Important! Check the antifreeze every year before the cold season sets in. 5-10 OM 28Z3 US – Edition 2.0 * * 28Z3b510.fm...

  • Page 157: Draining Coolant

    Stop the engine ☞ Let the coolant cool down ☞ Open filler inlet A (Fig. 109) ☞ Drain the coolant with a suitable pump ➥ Collect the coolant in a suitable container 5-11 OM 28Z3 US – Edition 2.0 * 28Z3b510.fm...

  • Page 158: Air Filter

    Make sure all dirt (dust) inside the upper and lower housing sections (F and E), includ- Fig. 121: Removing the lower housing sectiont ing dust ejection valve G, has been removed. 5-12 OM 28Z3 US – Edition 2.0 * * 28Z3b520.fm...
  • Page 159 To complete the installation, align the notches in the end and body housing and rotate the end housing clockwise until the joint is tightly seated. Important! Make sure the dust valve G (Fig. 111) is aimed downward after installation. 5-13 OM 28Z3 US – Edition 2.0 * 28Z3b520.fm...

  • Page 160: V-Belt

    NOTICE Cracked and stretched V-belts cause engine damage • Have the V-belt replaced by a Wacker Neuson service center. Check the V-belt once a day or every 10 service hours, and retighten if necessary! Retighten new V-belts after about 15 minutes of running time.

  • Page 161: Retightening The V-Belt

    Keep alternator 5 in this position, and at the same time retighten fastening screws 3 and 4 (below). ☞ Check V-belt tension again and adjust it if necessary. ☞ Connect the battery or the battery master switch. ☞ Close the engine cover. 5-15 OM 28Z3 US – Edition 2.0 * 28Z3b520.fm...

  • Page 162: Hydraulic System

    • If the hydraulic system is filled with biodegradable oil, then only use bio- degradable oil of the same type for filling up. Observe the label on the hydraulic oil reservoir. • Contact your Wacker Neuson dealer immediately if the hydraulic system filter is contaminated with metal shavings. 5-16...

  • Page 163: Checking The Hydraulic Oil Level

    LOW mark • Normal operation Between 50 and 90 °C 122 and 194°F) FULL mark Important! Measure the oil level of the hydraulic system only after the machine reaches its operating temperature. 5-17 OM 28Z3 US – Edition 2.0 * 28Z3b520.fm...

  • Page 164: Adding Hydraulic Oil

    • Check the hydraulic oil level on sight glass B • Add more oil if necessary and check again • Close cap C of the hydraulic reservoir hand tight again Fig. 127: Hydraulic oil reservoir 5-18 OM 28Z3 US – Edition 2.0 * * 28Z3b520.fm...

  • Page 165: Important Information For The Use Of Biodegradable Oil

    • Use only the biodegradable hydraulic fluids which have been tested and approved by Wacker Neuson GmbH. Always contact Wacker Neuson for the use of other products which have not been recommended. In addition, ask the oil supplier for a written decla- ration of guarantee.

  • Page 166: Pilot Valve

    ☞ Check pilot control filter screen C for dirt and clean it if necessary. Replace it with a new filter if it is damaged! ☞ Assemble in the reverse order. 5-20 OM 28Z3 US – Edition 2.0 * * 28Z3b520.fm...

  • Page 167: Checking Hydraulic Pressure Lines

    The article number is marked on the clamping section, and the date of manufacture is indi- cated on the hose of each hose connection. 5-21 OM 28Z3 US – Edition 2.0 * 28Z3b520.fm...

  • Page 168: Tracks

    20 – 25 mm (0.79’’ - 0.98’’). ☞ Set the tension as follows if it is not in accordance with the rated value. 20 – 25 mm Fig. 131: Measuring distance 5-23 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 169: Adjusting The Track Tension

    If it is not correct: ☞ Adjust again. ☞ Contact your Wacker Neuson dealer if the procedure for tightening the tracks does not correct the track tension. Reducing tension Fig. 132: Tightening the tracks • Drain the grease as described below. Do not drain it in any other way. Also bear in mind the safety instructions on this page.

  • Page 170: Track Propulsion Final Drive

    Fig. 135: Draining oil ☞ Use a suitable container to collect the oil as it drains. Environment! Collect the oil with a suitable container and dispose of it in an environmentally friendly manner. 5-25 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 171: Maintenance Of Attachments

    Perform visual checks for possible defects, damage or cracks. Remove all dirt on and around moving parts. Apply grease via grease nipples S. – see Powertilt (option) on page 3-63 Fig. 136: Lubricate 5-26 OM 28Z3 US – Edition 2.0 * 28Z3b530.fm...

  • Page 172: Electric System

    Service and maintenance work at regular intervals Before operating the machine ☞ Check every time before driving the machine: • Is the light system OK? • Is the signalling and warning system OK? 5-27 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 173: Instructions Concerning Specific Components

    • Always disconnect the battery before performing welding work or connecting a quick battery charger. • Replace a malfunctioning charge indicator light immediately – see chapter 31 Indicator light (red) – alternator charge function on page 3-10 5-28 OM 28Z3 US – Edition 2.0 * 28Z3b530.fm...

  • Page 174: Battery

    Checking the battery requires it to be removed and must be performed by an authorized Wacker Neuson service center. Always follow the specific battery safety instructions! Important! Do not disconnect the battery while the engine is running. Fig. 137: Battery 5-29 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 175: General Maintenance Work

    • Air intake filters When using volatile and easily flammable anticorrosion agents and sprays: • Ensure adequate room ventilation • Do not use unprotected lights or open flames • Do not smoke! 5-30 OM 28Z3 US – Edition 2.0 * 28Z3b530.fm...

  • Page 176: Inside The Cab

    • Allow the machine to cool completely before cleaning the engine with a water or steam jet. • Do not point the jet directly at electric sensors such as the oil pressure switch. 5-31 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 177: Threaded Connections And Fasteners

    Fastening screws on the hydraulic system. ☞ Line, bucket teeth and pin fastenings on the attachment. Retighten loose connections immediately. Contact an authorized Wacker Neuson service center if necessary. Pivots and hinges All mechanical pivot points on the machine (e.g. door hinges, joints) and fittings (e.g. door arresters) must be lubricated regularly, even if they are not listed in the lubrication plan.

  • Page 178: Maintenance If The Machine Is Out Of Service For A Longer Period Of Time

    Also replace hydraulic oil filters (return, suction and breather filters) if the machine has been out of service for over 6 months. ☞ Lubricate the machine according to the lubrication plan. ☞ Start the engine and let it run without load. 5-33 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...

  • Page 179: Fluids And Lubricants

    KF2K-25 according to DIN 51502 multipurpose lithium grease with MoS² additive KP2N-20 according to DIN 51502 EP multipurpose calcium sulphonate complex grease KF2K-25 according to DIN 51502 multipurpose lithium grease with MoS² additive 10. Standard acid-proof grease 5-34 OM 28Z3 US – Edition 2.0 * 28Z3b530.fm...

  • Page 180: Additional Oil Change And Filter Replacement (Hydraulics)

    Percentage of hammer work 60 % Every 300 s/h 100 s/h Over 80 % Every 200 s/h Important! Refer to the maintenance plan on page 5-35 for additional maintenance work. 5-35 OM 28Z3 US – Edition 2.0 * * 28Z3b530.fm...
  • Page 181 Maintenance Oil grades for the hydraulic system, depending on temperature Hydrau- lics oil Ambient temperature grade °C ISO VG32 ISO VG46 HVLP ISO VG68 °F According to DIN 51524 section 3 5-36 OM 28Z3 US – Edition 2.0 * 28Z3b530.fm...
  • Page 182 Maintenance Authorized Wacker Neuson service center Customer Every 1500 s/h Every 1000 s/h once a year Every 500 s/h Every 250 s/h 50 s/h service Maintenance work (once a day) 5-35 OM 28Z3 US – Edition 2.0 * * 28Z3b540.fm...
  • Page 183 Maintenance Authorized Wacker Neuson service center Customer Every 1500 s/h Every 1000 s/h once a year Every 500 s/h Every 250 s/h 50 s/h service Maintenance work (once a day) 5-36 OM 28Z3 US – Edition 2.0 * * 28Z3b540.fm...
  • Page 184 Maintenance Authorized Wacker Neuson service center Customer Every 1500 s/h Every 1000 s/h once a year Every 500 s/h Every 250 s/h 50 s/h service Maintenance work (once a day) 5-37 OM 28Z3 US – Edition 2.0 * * 28Z3b540.fm...
  • Page 185 Maintenance Authorized Wacker Neuson service center Customer Every 1500 s/h Every 1000 s/h once a year Every 500 s/h Every 250 s/h 50 s/h service Maintenance work (once a day) 5-38 OM 28Z3 US – Edition 2.0 * * 28Z3b540.fm...

  • Page 186: Maintenance Label

    Travelling drive Check oil level Undercarriage Check track tension Hydraulic system Check oil level Hydraulic system Change hydraulic oil Hydraulic system Replace the hydraulic oil filter, replace the breather filter 5-40 OM 28Z3 US – Edition 2.0 * * 28Z3b560.fm...
  • Page 187 4 / 6 Li - soap Li - soap API GL5 SAE 80W90 ASTM D4985 -34°C / -29°F ASTM D6210 250h 250h 500h 500h 1000h 1000h API CF SAE 10W-40 1000173185 5-41 OM 28Z3 US – Edition 2.0 * 28Z3b560.fm...
  • Page 188 Maintenance 5-42 OM 28Z3 US – Edition 2.0 * * 28Z3b560.fm...

  • Page 189: Specifications

    225 bar (3263 psi) Service pressure for work and drive hydraulics 200 bar (2901 psi) Swivel unit service pressure Standard Hydraulic oil cooler 26.5 l (7 gal) Hydraulic tank capacity (system fill) OM 28Z3 US – Edition 2.0 * 28Z3b610.fm...

  • Page 190: Undercarriage And Swivel Unit

    (435.1 (+58/ 0) psi) sure Main pressure restriction for swivel drive - 4/+ 2 bar (2900.7 (+29 / -58) psi) (hydraulic motor pressure restriction) Return filter Filter 26.5 l (7 gal) Hydraulic reservoir capacity OM 28Z3 US – Edition 2.0 * * 28Z3b610.fm...

  • Page 191: Electric System

    – Blocking diode – Preheating time lag relay (blue) – Starting relay – Preheating time lag relay (brown) – Pick-up contact cutoff solenoid relay Fig. 139: Fuse box Fig. 140: Starting relay OM 28Z3 US – Edition 2.0 * 28Z3b610.fm...

  • Page 192: Noise Levels

    Effective acceleration value for the upper extremities of the body * < Trigger value Effective acceleration value for the body * * Measurements as per 2002/44/EC (excavating, driving and hammering with a Wacker Neuson hammer). Machine and attach- ment operation and maintenance as per Operator's Manual. 6.10 Coolant compound table...

  • Page 193: Dimensions Model 28Z3

    Max. tail end lateral projection (90° rotation of upper carriage) 533 mm (1’9’’) Max. boom displacement to bucket center (right-hand side) 764 mm (2’6’’) Max. boom displacement to bucket center (left-hand side) OM 28Z3 US – Edition 2.0 * 28Z3b610.fm...

  • Page 194: Lift Capacity Table 28Z3

    The track excavator's lift capacity is restricted by the settings of the pressure limiting valves and the hydraulic system's stabilising features. Neither 75 % of the static tilt load nor 87 % of the hydraulic lift capacity is exceeded. OM 28Z3 US – Edition 2.0 * * 28Z3b610.fm...

  • Page 195: Lift Capacity Table 28Z3, Long Stick Option

    Specifications 6.14 Lift capacity table 28Z3, long stick option 3,5 m 3,0 m 2,5 m (11’6") (9’10") (8’2") 3,0 m *460 *425 *425 (9’10") (1014= (893) (937) (937) 2,0 m *450 *450 *470 *470 (6’7") (992) (683) (992) (838) (1036)

  • Page 196: Lift Capacity Table 28Z3, Extra Weight Option

    The track excavator's lift capacity is restricted by the settings of the pressure limiting valves and the hydraulic system's stabilising features. Neither 75 % of the static tilt load nor 87 % of the hydraulic lift capacity is exceeded. OM 28Z3 US – Edition 2.0 * * 28Z3b610.fm...

  • Page 197: Lift Capacity Table 28Z3, Long Stick And Extra Weight Options

    Specifications 6.16 Lift capacity table 28Z3, long stick and extra weight options 3,5 m 3,0 m 2,5 m (11’6") (9’10") (8’2") 3,0 m *460 *425 (9’10") (1014) (9949 (937) 2,0 m *450 *450 *470 *470 (6’7") (992) (767) (992) (935)

  • Page 198: Specifications

    Specifications 6-10 OM 28Z3 US – Edition 2.0 * * 28Z3b610.fm...
  • Page 199 Wacker Neuson Linz GmbH keep abreast of the latest technical developments and con- stantly improve their products. For this reason, we may from time to time need to make changes to diagrams and descriptions in this documentation which do not reflect products which have already been delivered and which will not be implemented on these machines.
  • Page 200 Wacker Neuson Corporation P. O. Box 9007 Menomonee Falls, WI 53052-9007 Telephone: (262) 255-0500 Fax: (262) 255-0550 Telephone: (800) 770-0957 www.wackerneuson.com Wacker Neuson Linz GmbH Haidfeldstr. 37 A-4060 Linz/Leonding Telephone +43 (0) 732/90590-0 Fax +43 (0) 732/90590-0 E-mail: office@neuson.com www.wackerneuson.com...

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