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3-56

OM 28Z3 US – Edition 2.0 * * 28Z3b340.fm

Operation

3.28 Releasing the pressure on the work hydraulics

Caution!

Before connecting or removing hydraulic lines from the attachment, make sure
the work hydraulics is not under pressure!

Important!

The hydraulic system of the machine is still pressurized even when the engine is
not running! The hydraulic quick-couplers can be released, however they cannot
be re-attached due to the residual pressure in the lines.
• Release the pressure in the sections of the system and hydraulic lines which are

to be opened before starting setup or repair work, e.g. fitting/removing an
attachment!

Releasing pressure

Release the pressure as follows:

☞

Park the machine on firm and level ground.

☞

Lower the attachment completely to the ground.

☞

Stop the engine.

☞

Turn the starter key to position

1

.

☞

Move the control lever or the pedal of the hydraulic circuit in all directions repeatedly.

➥

The pressure in the system sections that have been actuated is released. This can
be seen by the brief movement the hoses make as the pressure is actually released.

➥

Uncouple the attachment immediately after the pressure has been released,
otherwise pressure can be created again!

Pressure release with proportional controls (option)

Release the pressure as follows:

☞

Park the machine on firm and horizontal ground

☞

Lower the attachment completely to the ground!

☞

Stop the engine

☞

Turn the ignition key to position

1

➥

Release the load only after you have sstarted ignition and waited 2 seconds
(otherwise if actuated too early, the characteristic curve is shifted and the load is not
released)!

☞

Release the pressure on the auxiliary hydraulics by pressing the pedal connected with
the left or right-hand side proportional joystick to the left and right

➥

The pressure in the system sections that have been actuated is released. This can
be seen by the brief movement the hoses make as the pressure is actually released.

Uncouple the attachment immediately after the pressure has been released, otherwise
pressure can be created again!

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Содержание 28Z3

Страница 1: ...Track Excavator 28Z3 OPERATOR S MANUAL 5200005459 1 0 0312 5 2 0 0 0 0 5 4 5 9...

Страница 2: ...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 m...

Страница 3: ...t stay clear of the hazard zone when tilting the machine Caution Tilt the machine only on firm ground Tilt the machine only if it is at a standstill and if the attachment is empty All doors and covers...

Страница 4: ...1 2 28z3 Ausgabe 1 0 vds_28z3_en fm VDS lubrication points option Apply grease to lubrication points A once a week Abb 2 VDS lubrication points A A...

Страница 5: ...ctronic or mechanical including photocopy ing recording taping or information storage or retrieval systems without prior permission in writing from the manufacturer No reproduction or translation of t...

Страница 6: ...ure 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 Rol...

Страница 7: ...follow this symbol to avoid injury or death WARNUNG WARNING W WARNING indicates a hazardous situation which if not avoided could result in death or serious injury Potential consequences of the hazard...

Страница 8: ...ab and protective structures could causes serious injury or death No drilling cutting or grinding on the cab and protective structures Welding straightening or bending work on the cab and protective s...

Страница 9: ...signed for protection in case of an accident ROPS TOPS tested canopy open version ROPS TOPS tested cab closed version option Protective FOPS structure option for cab canopy protective structure agains...

Страница 10: ...ng on other construction sites for instance Category II FOPS or Front Guard to protect against heavy falling objects or heavy objects penetrating the cab from the front of the machine such as trees pi...

Страница 11: ...The protective FOPS structure corresponds to category I according to ISO 3449 1992 valid for 1404 from AG02423 or ISO 10262 1998 valid for ET18 ET20 ET24 2503 28Z3 3503 38Z3 50Z3 6003 6503 75Z3 8003 9...

Страница 12: ...tective FOPS structure 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 o...

Страница 13: ...mportant The protective FOPS structure corresponds to category I according to ISO 3449 1992 valid for 1403 1503 1703 up to AF05530 1903 2003 up to AF05530 2203 2503 3003 3503 3703 5002 6002 6502 Follo...

Страница 14: ...ective FOPS structure corresponds to category II according to ISO 3449 1992 valid for 1404 1703 from AG02503 2003 from AG02503 2404 50Z3 6003 6503 75Z3 8002 8003 9503 12002 or according to ISO 3449 20...

Страница 15: ...he machine for instance pipes tree trunks etc and of falling objects without a protective Front Guard structure with an integrated FOPS Important The protective Front Guard structure with integrated F...

Страница 16: ...instance pipes tree trunks etc and of falling objects without a protective Front Guard structure with an integrated FOPS Important The protective Front Guard structure corresponds to category I accor...

Страница 17: ...e pipes tree trunks etc and of falling objects without a protective Front Guard structure with an integrated FOPS Important The protective Front Guard structure corresponds to category II according to...

Страница 18: ...before exiting the cab WARNUNG WARNING W Tripping Slipping Falling hazard Use the rear window as an exit only in an emergency Risk of personal injury The machine has no footholds or handles at the rea...

Страница 19: ...66 operation with an attachment causing fragments to fly is absolutely prohibited WARNUNG WARNING W Accident hazard in conditions of restricted visibility due to rain snowfall dust etc Could causes se...

Страница 20: ...an attachment a hammer for instance causes fragments to fly Pay attention to the restricted work range see fig 13 and 14 Work area with shatter protection Height of work area A 120 cm 47 in Figures 1...

Страница 21: ...mbols 1 16 Safety labels 1 18 Fire extinguisher 1 23 Safety Information Safety Symbols Found in this Manual 2 1 Warranty 2 2 Designated Use 2 2 Preparing to use the machine 2 2 Conditions for use 2 2...

Страница 22: ...3 8 Parking checklist 3 8 Operating the excavator 3 9 Preheating start switch overview 3 9 Throttle lever overview 3 9 Indicator lights and warning lights overview 3 10 Before starting the engine 3 1...

Страница 23: ...gine stopped 3 42 Releasing pressure 3 42 Rotating the upper carriage 3 42 Swivel unit brake 3 43 Changeover valve for control pattern B option 3 44 Left hand side control lever 3 44 Right hand side c...

Страница 24: ...rab couplings 3 67 Attachments 3 68 Load holding control valve option 3 68 Working with the excavator 3 69 Working with the standard bucket 3 69 Prohibited operation 3 69 Excavator work position 3 71...

Страница 25: ...27 Service and maintenance work at regular intervals 5 27 Instructions concerning specific components 5 28 Alternator 5 28 Battery 5 29 General maintenance work 5 30 Cleaning 5 30 General instruction...

Страница 26: ...6 4 Vibration 6 4 Coolant compound table 6 4 Powertilt 6 4 Dimensions model 28Z3 6 5 Lift capacity table 28Z3 6 6 Lift capacity table 28Z3 long stick option 6 7 Lift capacity table 28Z3 extra weight...

Страница 27: ...el 5 6 Checking the hydraulic oil level 5 17 Cleaning 5 30 Electric system 5 27 Engine and hydraulics cooling system 5 8 Engine lubrication system 5 6 Filling up coolant 5 9 Fluids and lubricants 5 34...

Страница 28: ...ght adjustment 3 28 Signs and symbols 1 11 Specifications 6 1 Chassis 6 1 Coolant compound table 6 4 Dimensions 6 5 Electric system 6 3 Engine 6 1 Noise levels 6 4 Vibration 6 4 Work hydraulics 6 2 St...

Страница 29: ...eries production of this machine Modifying the manufacturer specification and configuration of this machine or using unapproved attachments can cause personal hazards and damage the machine Contact yo...

Страница 30: ...rriage 7 Stabilizer blade 8 Cab 9 Engine cover 10 Handle Fig 1 Machine outside views 17 7 10 14 11 16 16 13 13 15 2 17 9 8 1 14 11 Fuel filler inlet 12 Counterweight pre installation 13 Exhaust pipe 1...

Страница 31: ...Travelling drive The diesel engine permanently drives the twin axial variable displacement pump whose oil flow is sent to a hydraulic motor for each track drive unit Work hydraulics The diesel engine...

Страница 32: ...stance Always compare the weight of the tool and its maximum payload with the indications in the lift capacity table Never exceed the maximum payload stated in the lift capacity table Use attachment P...

Страница 33: ...moving machine Get informed on and follow the legal regulations of your country Offset bucket B 1400 mm 4 7 short stick 158 l 5 6 ft3 1000096568 28Z3 158 l 5 6 ft3 1000017132 28Z3 For quickhitch Offs...

Страница 34: ...the requirements of further pertinent EC Directives and standards The following standards and or technical specifications have been used for the proper application of the requirements regarding safet...

Страница 35: ...2006 42 EC appendix XI Fachaussch sse Bau und Tiefbau Pr f und Zertifizierungsstelle im BG PR FZERT Landsberger Str 309 D 80687 Munich Distinguishing EU number 0036 Notified body according to Directi...

Страница 36: ...tive 2006 42 EC appendix XI Fachaussch sse Bau und Tiefbau Pr f und Zertifizierungsstelle im BG PR FZERT Landsberger Str 309 D 80687 Munich Distinguishing EU number 0036 Notified body according to Dir...

Страница 37: ...15 2 kW 20 4 hp Mass 2670 kg 5886 lb Load Max gross mass Max axle load Other information see chapter 6 Specifications on page 6 1 Cab compliance certification number The cab compliance certification...

Страница 38: ...1 10 OM 28Z3 US Edition 2 0 28Z3b110 fm Introduction Hydraulic quickhitch system Powertilt Fig 5 Type label hydraulic quickhitch system Fig 6 Powertilt type label...

Страница 39: ...ts Location points designated for tie down of the machine during transport to prevent move ment during transport see chapter 3 22 Tying down the excavator on page 3 38 Location On either side of the s...

Страница 40: ...cription Do not touch hot surfaces wait for parts to cool down Location In the engine compartment Description Fill location for diesel fuel only Location On the fuel tank Description Hydraulic oil res...

Страница 41: ...is chosen control pattern A or B Check before starting the machine which controll pattern you have chosen see chapter 3 25 Changeover valve for control pattern B option on page 3 44 Location Inside t...

Страница 42: ...roof lining Description Describes the throttle lever function see Throttle lever overview on page 3 9 Location Below the throttle lever Description Describes the stabilizer blade lever function Locati...

Страница 43: ...OM 28Z3 US Edition 2 0 28Z3b110 fm 1 15 Introduction 1 11 Symbols from AG01686 Overview...

Страница 44: ...near the cylinder end of the hydraulic stick cylinder mounting Description Tie down points Points for tying down the machine during transport to prevent movement during transport Location On either s...

Страница 45: ...ttern that has been chosen Location On the cab roof Description Shows the main maintenance intervals For a complete list of the maintenance intervals see chapter Maintenance of the Operator s Manual L...

Страница 46: ...on On the chassis near the engine cover handle Description This safety label warns of the following dangers Rotating fan Stay clear of the engine compartment if the fan is still running Stay clear of...

Страница 47: ...ption Read and understand the Operator s Manual before starting working adjusting performing maintenance or repairing the machine Location On the B pillar in the cab Description This label alerts pers...

Страница 48: ...clear of machine Location On the rear window Description Read and understand the instructions in the Operator s Manual and the service manual before tilting the cab Location On the left front of the...

Страница 49: ...ove the key and lock the controls Location On the B pillar in the cab Description Operate only from the seat and fasten the seat belt to prevent falling out of the machine Operate within the stability...

Страница 50: ...b110 fm Introduction Meaning 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 sid...

Страница 51: ...Neuson service center Location In the cab on the left in driving direction behind the seat see Fig 52 Installation Mount the fire extinguisher on the cab profile according to the manufacturer s instr...

Страница 52: ...1 24 OM 28Z3 US Edition 2 0 28Z3b110 fm Introduction...

Страница 53: ...at follow this symbol to avoid possible injury or death Caution CAUTION indicates a hazardous situation which if not avoided could result in minor or moderate injury Obey all safety messages that foll...

Страница 54: ...the negligence of the duty to exercise due care when transporting the machine operating the machine servicing the machine and performing maintenance work repairing the machine This is also applicable...

Страница 55: ...l operation Wear close fitting work clothes that do not hinder movement Tie back long hair and remove all jewelry including rings Modifications and spare parts NEVER make any modifications additions o...

Страница 56: ...sten lifting gear and slings avoiding danger rotating parts crushing or shearing for the person securing the load Furthermore neither must the work equipment be affected by the lifting gear nor must t...

Страница 57: ...ience in hydraulic equipment 2 6 Safety instructions Regarding Operation Preparing for use The machine must only be used in technically perfect condition in accordance with its designated use and the...

Страница 58: ...of building pits and slopes Look out for the following when working in buildings or in enclosed areas height of the ceiling clearances width of entrances maximum load of ceilings and floors sufficien...

Страница 59: ...ling from the front e g demolition work On sloping terrain always adapt your drive speed to the prevailing ground conditions Never change to lower gear on a slope but always before reaching it Carryin...

Страница 60: ...ration Machine travel with a raised load must be done very carefully on a level surface moving very slowly to avoid sudden motion that can cause swinging or oscillating motion of the load The person s...

Страница 61: ...ity and platform size to safely transport the machine Refer to section 6 of this manual to determine the physical characteristics of the machine before loading and transporting Use OSHA approved strap...

Страница 62: ...chine to the control elements as a precautionary measure Observe the startup and shutdown procedures set forth in this Operator s Manual This applies to any work concerning the operation conversion or...

Страница 63: ...ergent penetration Special care must be taken with the electrical system After cleaning remove all covers and tapes applied for that purpose After cleaning examine all fuel lubricant and hydraulic oil...

Страница 64: ...arn others against approaching and touching the machine Do not leave the machine until the line that has been touched or damaged has been safely de energized Make sure that work on the electric system...

Страница 65: ...ead and follow the warning instructions in the engine owner s manual and the safety guidelines below Running the engine When running the engine Keep the area around muffler pipe free of flammable mate...

Страница 66: ...2 14 OM 28Z3 US Edition 2 0 28Z3b210 fm Safety Information...

Страница 67: ...tifying the control elements means fig no 40 control element no 18 or position A in fig no 40 Figures carry no numbers if they are placed to the left of the text The symbols used in the description ha...

Страница 68: ...3 2 OM 28Z3 US Edition 2 0 28Z3b320 fm Operation 3 16 8 18 10 1 2 17 12 21 24 23 25 26 5 20 22 19 13 15 28 11 6 4 27 29 9...

Страница 69: ...rn option 3 44 10 Radio option 11 Seat backrest adjustment 3 27 12 Seat belt lock 3 28 13 Cup holder 14 Document storage underneath the seat console 15 Console switch panel 3 23 16 Cab switch panel 3...

Страница 70: ...34 30 32 33 35 36 39 38 40 43 44 45 46 37 Control element on control console Control element on cab wall 39 38 40 42 41 43 44 45 46 Control element on cab wall Control element on control console Contr...

Страница 71: ...Coolant temperature indicator light red 3 10 34 Cold starter indicator light yellow 3 11 35 Indicator light red safe load indicator option 3 11 36 Fuel level indicator 3 11 37 Hour meter 3 11 38 High...

Страница 72: ...Operation on page 2 5 and see chapter 2 Safety Infor mation on page 2 1 of this Operator s Manual The operator must have read and understood this Operator s Manual before putting the machine into ope...

Страница 73: ...k the following points before putting the machine into operation or starting the engine No Question 1 Enough fuel in the tank 5 2 2 Coolant level OK 5 9 3 Water drained from the water separator 5 5 4...

Страница 74: ...or lights for engine oil pressure and alternator charge function gone out 3 10 3 Temperature indicator for engine coolant in normal range 3 10 4 Drive pedals working correctly 3 16 No Question 1 Attac...

Страница 75: ...rview The throttle lever controls the engine speed as follows Continuously throttle lever 17 1 0 2 3 Fig 3 Preheating start switch 20 Position Function Power consumer 0 Insert or remove the starting k...

Страница 76: ...Engine oil pressure indicator light red Comes on if the engine oil pressure is too low In this case Stop the machine Stop the engine immediately and check the oil level The indicator light comes on wh...

Страница 77: ...5 Indicator light red safe load indicator light option This optical warning device tells the driver whether he has reached the admissible pay load or load moment according to the pay load diagram Redu...

Страница 78: ...10 seconds Wait about 1 minute so the battery can recover before trying again Procedure NOTICE Possible preheater damage Actuating the preheating system too long may damage the preheater Never prehea...

Страница 79: ...Interrupt the start procedure and try again after about 1 minute If the engine still does not start after the second try 10 Contact a Wacker Neuson service center for troubleshooting As soon as the en...

Страница 80: ...lode during a jump starting opera tion Do not jump start the engine if the battery is frozen Dispose of the frozen battery in accordance with local environmental regulations Replace the battery Cautio...

Страница 81: ...battery Connect the other end of the black jump lead onto a solid metal component fimly mounted on the engine block or onto the engine block itself Do not connect it to the negative terminal of the di...

Страница 82: ...ion of the stabilizer with respect to the operator station and compensate before attempting to move the machine The stabilizer blade side is the front side Raise the bucket and the stabilizer blade Th...

Страница 83: ...return to their neutral positions as soon as they are released which creates sufficient hydraulic braking effect When travelling downhill the automatic hydraulic brake valves prevent the machine from...

Страница 84: ...r When operating the machine make sure you can stop safely any time if the machine starts to skid or if it becomes unstable Swivelling or operating the attachment on slopes can cause the machine to lo...

Страница 85: ...bout 20 30 cm 8 12 above the ground Drive slowly Reduce engine speed when traveling downhill Keep the drive lever next to neutral position and travel slowly Always move straight ahead when traveling u...

Страница 86: ...lever inadvertently NOTICE Possibility of equipment damage Lowering the stabilizer blade too deeply into the ground can create a resistance see Grading on page 3 75 Slightly raise the stabilizer blad...

Страница 87: ...the bucket and the stabilizer blade to the ground Reduce engine speed to low idle setting Switch off starter Fold up the control lever base NOTICE Possible engine damage due to overheating Never stop...

Страница 88: ...pes If you cannot avoid parking the machine on a slope Place chocks under the tracks and lower the attachment into the ground to prevent the machine from moving Serious accidents can be caused by unin...

Страница 89: ...ads only switch the working lights on when there is no possibility of blinding passing motorists Fig 16 Light system switches 44 Boom light ON Press the light symbol on switch 44 Indicator light in sw...

Страница 90: ...r light ON Press switch to the left or right OFF Return switch to center position Fig 19 Switch for rotating beacon 46 Rotating beacon option ON Press the beacon symbol on switch 46 Indicator light in...

Страница 91: ...em 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 Fig 21 Heating adjustmen...

Страница 92: ...longer period of time In order to restore this valve s func tion moisten this non return valve dip it briefly in water and then blow air through it 3 10 Seat Seat adjustment Caution Possible loss of...

Страница 93: ...ght as follows Less spring action Push the lever down More spring action Push the lever up Horizontal adjustment Sit in the seat Pull lever 8 upward and at the same time move the seat forward or backw...

Страница 94: ...at belt and buckle clean as dirt and debris can cause the buckle to malfunction and accelerate internal webbing abrasion in the belt Seat belt buckle must not be obstructed by foreign bodies paper or...

Страница 95: ...ough the front window in an emergency Caution Personal injury hazard Do not use the side or front window as routine exits from the machine Windows are to be used as exits only if the access opening do...

Страница 96: ...achine Open the front window as follows The front window is fitted with handles and small levers on either side Push levers A down on either side Pull the front window upward The front window must loc...

Страница 97: ...osed before moving the machine Opening the door from the outside Press door lock A Locking the door Turn the key in door lock A counter clockwise L The door is locked Unlocking the door Turn the key i...

Страница 98: ...ngine cover Opening Press lock A Pull the engine cover upward Closing Firmly press down the engine cover until lock A engages with an audible click Locking and unlocking Close the engine cover with th...

Страница 99: ...ol lever base in the top position Important The control lever and console are not designed as a hand hold for exiting the cab Do not use handle A on the control lever base as a support while entering...

Страница 100: ...towing machine Important Follow the following instructions under all circumstances Towing a disabled machine can damage the propulsion drive system Do not tow a disabled machine The manufacturer s war...

Страница 101: ...chine other equipment or trailers Secure clevis B with the clevis pin and a lock pin Mount a towing bar or cable of adequate size to the towing bracket Make sure no one is close to the towing equipmen...

Страница 102: ...e machine when the area is clear of people Do not attempt to lift the excavator with any type of crane including wheel loaders unless the crane operator is qualified to lift loads in craning opera tio...

Страница 103: ...nd follow any other safety instructions relevant in your country Load as follows Secure the transport vehicle with chocks to prevent it from rolling Place the access ramps at the smallest possible ang...

Страница 104: ...of the excavator at the front rear and at the sides Lower the stabilizer blade and the boom Firmly tie down the excavator at the eye hooks A onto the platform with belts or tracks of adequate size Be...

Страница 105: ...t circum stances position the tracks perpendicularly to the roadside or to the uphill slope with the drive pinion behind the driver Prior to working on the structure surface confirm that the floor or...

Страница 106: ...ally creating a hazardous con dition affecting machine control Do not actuate the left hand control lever while the machine is traveling at maximum speeds on the work site Important Always perform smo...

Страница 107: ...flow in 2nd direction Move hammer pedal 19 to the right Right hand side control lever Fig 46 Auxiliary hydraulics 19 Fig 47 Right hand side control lever H G E F Position Lever Function E Forward Boo...

Страница 108: ...ghtly after the control is placed in the neutral position Fast actuation of the control lever rotates the upper carriage fast slow actuation of the control lever rotates the upper carriage slowly If t...

Страница 109: ...on counteraction brakes the upper carriage with maximum hydraulic output Upper carriage mechanical brake This is a multi disk mechanical brake that provides a secondary service brake and a pri mary pa...

Страница 110: ...g nut J on the directional valve s changeover lever Left hand side control lever Right hand side control lever Directional valve position The directional valve is located at the left behind the seat F...

Страница 111: ...ighten wing nut J after changing control mode Warning Possible equipment damage or injury hazard Never drive or work with the machine if wing nut J is malfunctioning or missing Immediately contact Wac...

Страница 112: ...aulics Therefore we recommend setting the controls to the low characteristic curve 1 slow move ments The slide switch is not pressed fully in this position and you can move the machine more smoothly f...

Страница 113: ...for service Stay clear of areas with danger of crushing Stay clear of areas between moving hydraulic components and fixed obstacles The operator of the machine or hydraulic system must be aware of pos...

Страница 114: ...lics Actuating the auxiliary hydraulics Oil flow in 1st direction Move hammer pedal 19 to the left Oil flow in 2nd direction Move hammer pedal 19 to the right Hammer operation Switching on hammer oper...

Страница 115: ...B to the right C and switch on ignition Then release slide switch B Status display 42 acknowledges by flashing twice Characteristic curves status display Displays the characteristic curve that has bee...

Страница 116: ...pletely lowered Return the control lever to neutral Releasing pressure Proceed as follows Stop the engine Move the control lever in all directions a few times This releases the pressure in the hydraul...

Страница 117: ...e upper carriage rotates to the left 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 Rotating upper car...

Страница 118: ...l lever potentially creating a hazardous condition affecting machine control Do not actuate the left hand control lever while the machine is traveling at maximum speeds on the work site Important Alwa...

Страница 119: ...dal 19 to the right Right hand side control lever Fig 70 Auxiliary hydraulics 19 Fig 71 Right hand side control lever H G E F Position Lever Function E Forward Boom is lowered F To the right Dumps buc...

Страница 120: ...the upper carriage can creep slightly after the control is placed in the neutral position Fast actuation of the control lever rotates the upper carriage fast slow actuation of the control lever rotat...

Страница 121: ...ction counteraction brakes the upper carriage with maximum hydraulic output Upper carriage mechanical brake This is a multi disk mechanical brake that provides a secondary service brake and a pri mary...

Страница 122: ...essure in the system sections that have been actuated is released This can be seen by the brief movement the hoses make as the pressure is actually released Uncouple the attachment immediately after t...

Страница 123: ...etween attach ment and stick Do not attempt to correct misalignment by using the connecting pin and a hammer Striking the pin with a hammer can result in a steel chip or splin ter being released Alway...

Страница 124: ...the bucket only with minimum pressure on the ground as you remove the pins The higher the pressure on the ground the higher the resistance and the more difficult it is to remove the pins Mounting a bu...

Страница 125: ...ch is locked Proceed as follows Approach the machine to the attachment Hitch coupling bar M onto coupling claws L of the quickhitch to pick up the bucket Engage lock mechanism N in mounting bores O Pl...

Страница 126: ...rator must make sure it can be hitched correctly by removing all dirt on either claw of the quickhitch Perform maintenance on the quickhitch system once a day with the other mainte nance work for the...

Страница 127: ...n still be seen or if you are unsure whether the bucket is mounted on the machine without any play Troubleshoot and rectify immediately Proceed as follows Engage claws A on the side of the excavator i...

Страница 128: ...t the quickhitch is fully open Retract the bucket hydraulic cylinder Set down the bucket Raise the boom Release the foot operated tip switch C Operate the stabilizer blade raise as far as it will go T...

Страница 129: ...with an acoustic and optical warning device see chapter 3 38 Safe load indicator option on page 3 75 The machine is equipped with a hose burst valve see chapter 3 35 Load holding control valve option...

Страница 130: ...ertilt unit Proceed as follows Lower the Powertilt unit to the ground with its flat side facing down Grease the joints and the pins before inserting them Start the engine Straighten the stick so that...

Страница 131: ...boom 1 and port 1 on the Powertilt unit Connection of line between boom 2 and port 2 on the Powertilt unit Route the hydraulic line through the duct and fasten it with a clamp Important In order to av...

Страница 132: ...nd side control lever Powertilt The Powertilt functions are operated with the right hand side control lever A B Fig 90 Right hand side control lever Position Lever Function A To the left Powertilt tur...

Страница 133: ...k sleeve C upward The coupling opens Connecting the coupling Clean the male and female ends of the coupling Align the male and female ends of the coupling and push them together until move ment stops...

Страница 134: ...ed by technical staff with suitable training Important The load holding control valve limits boom drop in the event of a boom hydraulic hose assembly or fitting failure reference ISO 8643 In the event...

Страница 135: ...Do not allow the bucket teeth to penetrate into the ground as you rotate the upper car riage Working this way damages the attachments Working with the drive force Do not allow the bucket to penetrate...

Страница 136: ...racting attachments Make sure the bucket does not hit the stabilizer blade as you retract attachments for operating or transport Working with stabilizer blade Do not ram objects with the stabilizer bl...

Страница 137: ...til Reaching the required digging depth and The flat side of the bucket is parallel to the ground see bucket position Pull bucket E parallel to the ground towards the excavator At the same time if pos...

Страница 138: ...is placed at the rear end of the truck and not at the sides Grading Use the stabilizer blade to fill in trenches and to grade surfaces Important Work on level ground Grade with the stabilizer blade f...

Страница 139: ...xcavation from the stabilizer end of the machine Fig 110 Stabilizer blade at rear Warning Personal injury hazard Improperly operating the machine with the stabilizer blade B at the rear when working a...

Страница 140: ...ion of the bucket should form an angle of 45 Raise the full bucket to dump height only as you rotate towards the truck If possible dump with the wind behind you to keep the dust away from your eyes ai...

Страница 141: ...age 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...

Страница 142: ...3 76 OM 28Z3 US Edition 2 0 28Z3b340 fm Operation...

Страница 143: ...ooting 4 Troubleshooting The information given in this chapter is provided for maintenance personnel for fast and reliable detection of malfunctions and their appropriate repair Repairs must beperform...

Страница 144: ...arance Injection line leaks Malfunctioning fuel injector Engine overheats Temperature warning system responds Oil level too low 5 6 Oil level too high 5 6 Dirty air filter 5 12 Dirty cooler fins 5 8 C...

Страница 145: ...build up pressure in the Powertilt swivel device that activates the internal decompression valve Oil escapes from the control valve Defective decompression valve Oil escapes from the seals Powertilt t...

Страница 146: ...4 4 OM 28Z3 US Edition 2 0 28Z3b410 fm Troubleshooting...

Страница 147: ...s Perform the prescribed inspections and rectify any malfunctions before putting the machine into operation Secure open engine covers appropriately Do not open engine covers on slopes or in strong win...

Страница 148: ...to reduce the risk of fire Refueling The fuel fill inlet A in fig 102 is located behind the cab on the right in driving direction Environment Use a suitable container to collect the fuel as it drains...

Страница 149: ...the fuel in a suitable container Stationary fuel pumps General Only refuel from stationary fuel pumps Fuel from barrels or cans is usually dirty Even the smallest particles of dirt may cause Increased...

Страница 150: ...and reinstalling the fuel filter prefilter or the fuel lines After running the fuel tank empty After running the engine again after it has been out of service for a longer period of time Bleed the fu...

Страница 151: ...again Check the water separator as follows If the red indicator ring rises to position C Unscrew thread A The water drains Wait until the indicator ring returns to the bottom of the water separator S...

Страница 152: ...ay Check the oil before starting the engine After stopping a warm engine wait at least 5 minutes before checking Checking the oil level Proceed as follows Park the machine on level ground Stop the eng...

Страница 153: ...ly friendly manner Filling up engine oil Proceed as follows Clean the area around oil filler cap B with a lint free cloth Open filler cap B Raise oil dipstick A slightly to allow any trapped air to es...

Страница 154: ...maintenance plans in the appendix for the intervals If coolant must be added frequently check the cooling system for leaks and or contact your dealer To avoid potential mechanical damage to the system...

Страница 155: ...ss the components are comfortable to touch less than 49 C 120 F Warning Hazardous material Coolant mixtures are poisonous and flammable Contact with skin and eyes should be avoided Antifreeze is flamm...

Страница 156: ...e starting the engine Filling up coolant After the engine has cooled down Release overpressure in the radiator Carefully open the cap to the first notch and fully release the pressure Open filler cap...

Страница 157: ...in the cooling system unless the components are comfortable to the touch less than 49 C 120 F Do not smoke while draining coolant Environment Use a suitable container to collect the coolant as it drai...

Страница 158: ...nd secondary filter C after no more than 50 ser vice hours in acidic air General instructions for air filter maintenance Store filters in their original packaging and in a dry place Do not knock the f...

Страница 159: ...e secondary filter Use the previous instructions for removing the primary filter Fig 121 and Fig 122 Carefully remove secondary filter C Cover the air supply at the end of the filter with a clean lint...

Страница 160: ...Checking V belt tension Check as follows Stop the engine Fold the control lever base up Remove the key and carry it with you Disconnect the battery or the battery master switch Let the engine cool do...

Страница 161: ...control lever base up Remove the key and carry it with you Disconnect the battery or the battery master switch Let the engine cool down Open the engine cover Loosen fastening screws 3 and 4 below of...

Страница 162: ...lves several times Fold the control lever base up If the hydraulic oil in the sight glass is cloudy this indicates that water or air has penetrated the hydraulic system This may cause damage to the hy...

Страница 163: ...t teeth to the ground Lower the stabilizer blade to the ground Straighten the boom Stop the engine Fold the control lever base up Sight glass B is located in the rear left corner of the machine in the...

Страница 164: ...e hydraulic oil will overflow at the filler opening on the hydraulic reservoir Fill up as follows Park the machine on level ground Retract the bucket and boom hydraulic cylinders lower the boom and th...

Страница 165: ...ning amount of initial hydraulic fluid in the hydraulic system does not exceed 8 when changing biodegradable oil manufacturer indications Do not fill up with mineral oil the content of mineral oil sho...

Страница 166: ...cylinders lower the boom and the bucket teeth to the ground Lower the stabilizer blade to the ground Set the boom straight Stop the engine Move the control levers in all directions repeatedly Switch...

Страница 167: ...ctions Retighten leaking threaded fittings and hose connections only when the system is not under pressure i e release the pressure before working on pressurized lines Never weld or solder damaged or...

Страница 168: ...in Fig 129 Place the excavator so that mark B of the rubber track is between the drive pinion C and the track tension roller D Park the machine on firm and level ground Raise the excavator with the b...

Страница 169: ...Tighten the tracks only up to the prescribed measuring distance Tightening the tracks Inject grease with the pump through lubricating valve Check the tension is correct by starting the engine letting...

Страница 170: ...he engine cool down Fold the control lever base up Loosen and remove screws A and B with a suitable tool A small quantity of oil must flow out of opening B If the oil does not flow out of opening B fi...

Страница 171: ...e attachments Observe the lubrication and maintenance instructions in the Operator s Manuals of the attach ments Powertilt option Perform maintenance on the Powertilt unit once a day with the other ma...

Страница 172: ...battery connections When connecting the battery leads make sure the poles are not reversed otherwise sensitive electric components will be damaged Use only 12 V power sources Higher voltages will dama...

Страница 173: ...ystem pay particular attention to ensuring good contact in leads and fuses Blown fuses indicate overloading or short circuits The electric system must therefore be checked before installing the new fu...

Страница 174: ...the electrolyte is low or has been frozen Avoid open flames and sparks in the vicinity of the battery Do not smoke Before jump starting take the battery to the dealer for appraisal by a qual ified tec...

Страница 175: ...ompressed air Work carefully Wear goggles and protective clothing Do not aim the compressed air at the skin or at other people Do not use compressed air for cleaning your clothing When using a high pr...

Страница 176: ...seat belt Clean the seat belt which remains fitted in the machine only with a mild soap solution do not use chemical agents as they may destroy the fabric Exterior of the machine The following article...

Страница 177: ...Engine fastening screws Fastening screws on the hydraulic system Line bucket teeth and pin fastenings on the attachment Retighten loose connections immediately Contact an authorized Wacker Neuson ser...

Страница 178: ...alue and protect the tires from direct sun light Remove the grounding strap from the battery or remove the battery and store it in a safe place Load the battery and perform battery maintenance at regu...

Страница 179: ...ccording to DIN 51524 section 3 HVLP HEES PANOLIN HLP Synth 46 FINA BIOHYDRAN SE 46 BP BIOHYD SE 46 404 Biodegradeable Hydraulic 32 46 Grease Roller and friction bear ings7 7 KF2K 25 according to DIN...

Страница 180: ...erve the following intervals Important Refer to the maintenance plan on page 5 35 for additional maintenance work Engine oil grade Ambient temperature C C 20 15 10 5 0 5 10 15 20 25 30 35 40 SAE 10W S...

Страница 181: ...l grades for the hydraulic system depending on temperature Hydrau lics oil grade Ambient temperature HVLP1 C 20 15 10 5 0 5 10 15 20 25 30 35 40 50 ISO VG32 ISO VG46 ISO VG68 F 4 5 14 23 32 41 50 59 6...

Страница 182: ...ck oil levels after test run Engine oil 1 Engine oil filter 2 Fuel filter 3 Air filter element maintenance display on filter Coolant Hydraulic oil filter insert 4 Hydraulic oil Hydraulic oil reservoir...

Страница 183: ...ghten if necessary Check bearing play of tread rollers track carrier rollers front idlers Check piston rods for damage Check screws for tightness Check pin lock Check line fixtures Check indicator lig...

Страница 184: ...nspection work Function of air conditioning 10 Replace cab filter Check dehumidifier for corrosion condensation and air bubbles Replace dehumidifier and refrigerating agent 11 Compressor oil 12 Check...

Страница 185: ...s h then every 1000 s h 6 Clean the water ducts every other 1000 s h servicing 7 Clean and adjust the fuel injection pump every other 1000 s h servicing 8 Check and adjust injection time every other...

Страница 186: ...ter Radiator Check the coolant level Radiator Drain and add new coolant Engine Check valve clearance Adjust if necessary Engine Check the engine oil level Engine Change engine oil Engine Replace the o...

Страница 187: ...ted air filter 1000h 500h 500h 1000h D D 1000173185 API CF 1000h 10h 50h 3 2 4 D 1 D 1 1 3 50h 10h 1 3 1 34 C 29 F ASTM D4985 50h 10h 4 6 10h 500h 250h 1000h 1 SAE 10W 40 ASTM D6210 KF2K 25 Li soap SA...

Страница 188: ...5 42 OM 28Z3 US Edition 2 0 28Z3b560 fm Maintenance...

Страница 189: ...ithout load 2675 25 rpm Idling speed 1300 25 rpm Fuel injection system Indirect injection Starting aid Glow plug preheating time 4 seconds Max inclined position engine no longer supplied with oil 25 i...

Страница 190: ...pm Stabilizer blade Model 28Z3 Width height 1570 290 mm 5 2 11 4 Max lift over under subgrade 380 419 mm 1 3 1 4 Work hydraulics Model 28Z3 Max service pressure 225 3 bar 3263 3 43 5 psi Main pressure...

Страница 191: ...olenoid F2 50 A Ignition lock Fuse no Rated current A Protected circuit F3 10 A Indicator cutoff solenoid relays F4 15 A Boom working light heating F5 15 A Valves horn F6 10 A Cab working light F7 15...

Страница 192: ...ower level LWA 93 dB A Sound pressure level LPA at the driver s ear 78 dB A Vibration Effective acceleration value for the upper extremities of the body Trigger value Effective acceleration value for...

Страница 193: ...2 mm 7 1 Max digging height 4169 mm 13 8 Max digging height long stick 4299 mm 14 1 Max dump height 2840 mm 9 4 Max dump height long stick 2840 mm 9 4 Max digging radius 1614 mm 5 4 Max digging radius...

Страница 194: ...ilt load nor 87 of the hydraulic lift capacity is exceeded Fig 142 Lift capacity table model 28Z3 A 3 5 m 11 6 3 0 m 9 10 2 5 m 8 2 B 3 0 m 9 10 510 1124 460 1014 495 1091 490 1080 2 0 m 6 7 495 1091...

Страница 195: ...the static tilt load nor 87 of the hydraulic lift capacity is exceeded Fig 143 Lift capacity table model 28Z3 A 3 5 m 11 6 3 0 m 9 10 2 5 m 8 2 B 3 0 m 9 10 460 1014 405 893 425 937 425 937 2 0 m 6 7...

Страница 196: ...static tilt load nor 87 of the hydraulic lift capacity is exceeded Fig 144 Lift capacity table model 28Z3 A 3 5 m 11 6 3 0 m 9 10 2 5 m 8 2 B 3 0 m 9 10 510 1124 510 1124 495 1091 495 1091 2 0 m 6 7 4...

Страница 197: ...er 75 of the static tilt load nor 87 of the hydraulic lift capacity is exceeded Fig 145 Lift capacity table model 28Z3 A 3 5 m 11 6 3 0 m 9 10 2 5 m 8 2 B 3 0 m 9 10 460 1014 451 9949 425 937 425 2 0...

Страница 198: ...6 10 OM 28Z3 US Edition 2 0 28Z3b610 fm Specifications...

Страница 199: ...h have already been delivered and which will not be implemented on these machines Technical data dimensions and weights are given as an indication only Responsibility for errors or omissions not accep...

Страница 200: ...s 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...

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