Wacker Neuson ET18/ET20/ ET24 Tracked Excavator Service manual – PDF DOWNLOAD
IMAGES PREVIEW OF THE MANUAL:
DESCRIPTION:
Wacker Neuson ET18/ET20/ ET24 Tracked Excavator Service manual – PDF DOWNLOAD
1 Operation
1.1 Information on this service manual
- This service manual contains important information on how to work safely, correctly, and economically with the machine. Therefore, it aims not only at new personnel, but it also serves as a reference for experienced personnel.
- It helps to avoid hazardous situations and reduce repair costs and downtimes. Furthermore, the reliability and the service life of the machine will be increased by following the instructions in the Operator’s Manual. Careful and prudent working is the best way to avoid accidents!
- Operational safety and readiness of the machine do not only depend on your skill, but also on maintenance and servicing of the machine. This is why regular maintenance and servicing is absolutely necessary. Extensive maintenance and repair work must always be performed by a Wacker Neuson service center. Use only original spare parts for repairs. This ensures operational safety and readiness of your machine, and maintains its value
• We reserve the right to improve the technical standard of our machines without adapting the service manual.
• Modifying Wacker Neuson products and fitting them with additional equipment and attachments not included in our delivery program requires Wacker Neuson’s written authorization, otherwise warranty and product liability for possible damage caused by these modifications shall not be applicable.
• Subject to modifications and printing errors. Your Wacker Neuson dealer will be pleased to answer any further questions regarding the machine or the service manual
TABLE OF CONTENTS:
Wacker Neuson ET18/ET20/ ET24 Tracked Excavator Service manual – PDF DOWNLOAD
Operation
Information on this service manual 1-2
Identification of warnings and dangers 1-2
Explanation of symbols and abbreviations 1-3
Explanation of symbols 1-3
Abbreviations 1-3
Conversion table 1-4
Designated use and exemption from liability 1-5
Labels 1-6
Type labels 1-6
Machine overview 1-10
Cabin 1-11
Cabin (legend) 1-12
Display element and switches 1-13
Display element and switches (legend) 1-14
Indicator lights and warning lights (overview) 1-15
Display element 1-15
Cabin/control stand 1-17
Safety instructions regarding entry and exit 1-17
Control lever base 1-18
Accelerator actuation 1-18
Manual throttle 1-18
High speed 1-19
Automatic engine speed setting (option) 1-19
Brakes 1-20
Hydraulic brake 1-20
Mechanical brake 1-20
Protective structures 1-20
Emergency exit 1-20
Emergency exit on machines equipped with protective Front Guard structures (option)
1-21
Swiveling console limit (option) 1-21
Emergency lowering 1-22
Important information regarding emergency lowering 1-22
Releasing the pressure in the operating hydraulics 1-22
Hydraulic connections 1-23
Parking the machine 1-24
Parking the machine on slopes 1-24
Engine compartment (overview) 1-25
Lateral engine compartment (overview) 1-26
Valve compartment overview 1-27
Operating hydraulics 1-28
Overview of pedals and control levers (Operating Pattern A) 1-28
Overview of pedals and control levers (Operating Pattern B) 1-29
Fire extinguisher 1-30
Towing the machine 1-30
Technical data
Models and trade names 2-2
Engine 2-2
Engine capacities 2-3
Traveling drive/axles 2-4
Tires/tracks 2-4
Rubber tracks 2-4
Fuel injection pump 2-4
Coolant 2-4
I-2 SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm
Compound table 2-4
Brakes 2-4
Operating hydraulics 2-5
Oil flow table 2-6
Speed 2-6
Hose identification code 2-6
Electrical system 2-7
Electrical components 2-7
Fuses 2-7
Relays 2-7
Bulbs 2-7
Tightening torques 2-8
General tightening torques 2-8
Engine tightening torques 2-8
Powertilt (option) 2-9
Noise emissions 2-9
Vibration 2-9
Ground clearance/ground pressure 2-10
Weight 2-10
Machine weight 2-10
Excavator forces 2-11
Cylinder speeds 2-11
Payload/lift capacity 2-12
Dimensions 2-13
Overview ET18, ET20, ET24 2-13
Kinematics 2-17
Measuring live ring tolerance 2-18
Maintenance
Information on maintenance 3-2
Responsibilities and prerequisites 3-2
Important safety instructions on maintenance 3-2
Service package 3-2
Fluids and lubricants 3-3
Oil types for diesel engine (depending on temperature) 3-4
Additional oil change and filter replacement (hydraulic system) 3-4
Oil types for hydraulic system (depending on temperature) 3-5
Important information regarding operation with biodegradable hydraulic oil 3-5
Maintenance label 3-6
Explanation of symbols on the maintenance label 3-7
Maintenance plan 3-8
Overview of maintenance areas 3-12
Maintenance accesses 3-13
Opening the engine cover 3-13
Cover on the left 3-14
Cover on the right 3-15
Maintenance access under the seat 3-15
Removing/installing the cabin/canopy 3-16
Raising the seat console 3-19
Fuel system 3-20
Important information regarding the fuel system 3-20
Diesel fuel specification 3-20
Refueling 3-20
Bleeding the fuel system 3-21
Checking the water separator 3-22
Emptying the water separator 3-22
Emptying the fuel filter 3-23
Fuel filter 3-24
SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm I-3
Replacing the fuel filter 3-25
Emptying the fuel tank 3-26
Engine lubrication system 3-27
Important information regarding the engine lubrication system 3-27
Checking the engine oil level 3-27
Adding engine oil 3-28
Changing engine oil 3-29
Replacing the engine-oil filter cartridge 3-29
Cooling system 3-31
Important information regarding the cooling system 3-31
Checking the coolant level 3-31
Adding coolant 3-32
Draining coolant 3-33
Cleaning the radiator 3-34
Air filter 3-35
Important information regarding the air filter 3-35
Dirt indicator 3-35
Replacing the air filter 3-36
Air intake 3-37
Heating, ventilation and air conditioning system 3-38
Checking/replacing the fresh-air filter 3-38
Washer system (option) 3-39
Important information regarding the washer system 3-39
Checking the fluid level and adding fluid 3-39
V-belt 3-40
Checking V-belt condition and tension 3-40
Replacing/retensioning the V-belt – replacing the alternator 3-41
Pressure check 3-43
General 3-43
Measurement connections (overview) 3-43
Checking pilot control pressure 3-44
Pressure check of variable displacement pump P1 3-44
Pressure check of variable displacement pump P2 3-45
Pressure check of gear pump P3 3-46
Test report 3-47
Hydraulic system 3-51
Important information on the hydraulic system 3-51
Checking the hydraulic oil level 3-52
Adding hydraulic oil 3-53
Changing hydraulic oil 3-54
Draining condensation water from the hydraulic oil reservoir 3-54
Replacing the hydraulic oil filter 3-55
Checking the hydraulic system for leaks 3-56
Checking the condition and age of hydraulic hoses 3-56
Traveling drive 3-57
Checking the oil level and adding oil 3-57
Draining oil 3-57
Tires/tracks 3-58
Important information regarding the tracks 3-58
Checking track tension 3-58
Correcting track tension 3-59
Maintenance of attachments 3-60
Lubrication work 3-60
Preparing lubrication 3-60
Overview of lubrication points 3-61
Live ring (ball bearing) 3-63
Live ring gears 3-63
I-4 SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm
Control lever base 3-64
Maintenance of options 3-65
Joint rod and load hook 3-65
Electrical system 3-66
Important information regarding the electrical system 3-66
Battery state of charge 3-67
Charging the battery 3-67
Replacing the battery 3-67
Fuses and relays 3-68
Cleaning and maintenance 3-69
Important information on cleaning and maintenance 3-69
Use of solvents 3-70
Cleaning inside the cabin 3-70
Cleaning outside the machine 3-70
Cleaning the engine compartment 3-70
Cleaning the seat belt 3-71
Cleaning the shatter protection 3-71
Threaded fittings and attachments 3-71
Resetting the maintenance meter 3-72
Engine
Engine 3TNV76-SNSE12 (TIER IV up to 31122012) 4-2
Checking and adjusting valve clearance 4-4
Tightening order for cylinder head bolts 4-5
Checking the injection nozzles 4-6
Injection nozzle design 4-6
Pressure check 4-6
Leakage check 4-6
Checking the nozzle jet 4-6
Injection time 4-7
Checking injection time 4-7
Setting injection time 4-8
Installing and removing the injection pump 4-9
Removing the injection pump 4-9
Fitting the fuel injection pump 4-10
Measuring and adjusting the engine speed 4-11
Checking compression 4-12
Checking the coolant thermostat 4-12
Checking the temperature switch 4-13
Oil pressure switch 4-13
Checking the coolant circuit 4-13
Coolant and fuel hoses 4-14
Crankcase vent 4-14
Replacing the glow plugs 4-14
Overview of engine 3TNV80F-SSNS1 (Tier IV final from 2012) 4-15
Fuel system 4-17
Cooling system 4-18
Altitude-dependent output reduction 4-19
Checking and adjusting valve clearance 4-20
Tightening order for cylinder head bolts 4-22
Order for removing the cylinder-head bolts: 4-22
Order for installing the cylinder-head bolts: 4-22
Checking the injection nozzles 4-23
Pressure check 4-23
Checking the nozzle jet 4-24
Injection time 4-24
Checking injection time 4-24
Setting injection time 4-26
SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm I-5
Removing and installing the injection pump 4-27
Removing the injection pump 4-27
Fitting the fuel injection pump 4-28
Measuring and adjusting the engine speed 4-30
Compression 4-30
Checking the coolant thermostat 4-31
Checking the temperature sensor 4-31
Oil pressure switch 4-32
Checking the coolant circuit 4-32
Cleaning the cooling water channels 4-32
Coolant and fuel hoses 4-33
Crankcase vent 4-33
Replacing the glow plugs 4-33
Engine malfunctions 4-34
Hydraulic system
Overview 5-2
Hydraulic pump 5-4
Double variable displacement und twin gear pump 5-4
Summation control P1 – P3 5-5
Exploded view of hydraulic pump 5-6
Pilot oil supply unit 5-7
Dismantling the hydraulic pump 5-8
Assembling the hydraulic pump 5-11
Main valve block 5-15
Pilot valves 5-20
Control lever on left and right 5-20
Drive valve 5-22
Manifold block (auxiliary hydraulics changeover valve) 5-23
Collector unit (block) 5-25
Breather filter (hydraulic oil reservoir) 5-26
Pilot control filter 5-26
Bladder type accumulator 5-27
Traveling drive 5-28
ET18 from serial no WNCE1202JPAL00282 5-29
ET20 from serial no WNCE1203TPAL00190 5-31
Swivel unit 5-32
Swivel unit design 5-33
Swivel joint 5-34
Regeneration – stick section 5-36
Boom load-retaining valve 5-37
Bucket pre-tension 5-37
Test specifications for measuring cylinder speeds 5-38
Electrical system
Ohm’s Law (current, voltage, resistance); power 6-2
Measuring equipment, measuring methods 6-2
Relays 6-3
Use, mode of function 6-3
Electric units 6-3
Fuses/relays 6-3
Fuses 6-3
Relays 6-4
Alternator 6-4
Starter 6-4
Socket 6-5
12 V power outlet 6-5
Radio (option) 6-5
I-6 SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm
Wiring harnesses (overview) 6-7
Engine/chassis wiring harness (TIER IV up to 31122012) 6-8
Engine/chassis wiring harness (Tier IV final from 2012) 6-9
Canopy wiring harness 6-10
Canopy lights wiring harness 6-11
Cabin (option) wiring harness 6-12
Cabin roof (option) wiring harness 6-13
Seat console wiring harness 6-14
(up to serial no ET18 WNCE1202LPAL00397, ET20 WNCE1203TPAL00284,
ET24 WNCE1204TPAL00228) 6-14
Seat console wiring harness 6-15
(from serial no ET18 WNCE1202LPAL00398, ET20 WNCE1203TPAL00285,
ET24 WNCE1204TPAL00229) 6-15
Working light wiring harness 6-16
Rear roof lights (option) wiring harness 6-17
Front roof lights (option) wiring harness 6-18
Proportional controls wiring harness (option) 6-19
Quickhitch (option) wiring harness 6-20
Safe load indicator (option) wiring harness 6-21
(up to serial no ET18 WNCE1202LPAL00397, ET20 WNCE1203TPAL00284,
ET24 WNCE1204TPAL00228) 6-21
Safe load indicator (option) wiring harness 6-22
(from serial no ET18 WNCE1202LPAL00398, ET20 WNCE1203TPAL00285,
ET24 WNCE1204TPAL00229) 6-22
Strand list E12 (tier IV up to 31122012) 6-23
Strand list E12 (tier IV from 2012) 6-28
Diagrams
Hydraulics diagram (legend) 7-2
Hydraulics diagram ET18 7-3
Hydraulics diagram 3rd control circuit ET18 7-4
Hydraulics diagram ET20 7-5
Hydraulics diagram 3rd control circuit ET20 7-6
Hydraulics diagram ET24 7-7
Hydraulics diagram 3rd control circuit ET24 7-8
Hydraulics diagram (options) version 1 7-9
Hydraulics diagram (options) version 2 7-10
Wiring diagram (legend) 7-11
Wiring diagram 7-12
Wiring diagram 7-13
Options
Automatic engine speed setting 8-2
Grab control circuit 8-3
Hydraulic Easy Lock quickhitch 8-4
Hydraulic quickhitch pressure variants 8-5
3rd control circuit 8-7
Function 8-7
Proportional controls 8-8
Proportional valve 8-9
Hammer operation 8-10
ISO/SAE controls 8-12
Travel signal 8-12
Tilting the upper carriage (Vertical Digging System) 8-13
Safe load indicator 8-14
Functional check of safe load indicator 8-14
Perform a functional check of the control lever base 8-14
Switching on the safe load indicator 8-15
SHB ET18, 20, 24 en – Edition 23 * et18_20_24s20IVZfm I-7
Switching off the safe load indicator 8-15
Setting the pressure switch 8-16
Hose burst valve 8-17
Immobilizer 8-18
Telematic 8-20
Connections 8-20
Functional check/diode 8-20
PowerTilt PTS45
General instructions 9-2
General safety instructions 9-2
Checking the product 9-3
Decompression valve 9-3
Testing the hydraulic system of the machine 9-3
Specifications/requirements 9-4
Tools 9-5
Making a tool for removing the seals 9-6
Separating the bucket or equipment from the PowerTilt swivel device 9-6
Separating the PowerTilt swivel device from the machine 9-6
Individual components 9-7
Replacement sealing kit A and bearing kit B 9-8
Dismantling the base blocks 9-8
Removing the end cap 9-9
Removing the shaft 9-9
Removing the piston tube body 9-10
Removing all seals (kit A), shaft bearing and pressure disks (kit B) 9-11
Fitting seals (kit A), shaft bearing and pressure disks (kit B) 9-12
Fitting the piston tube body 9-12
Fitting the shaft 9-13
Installing the end cap 9-13
Fitting the base blocks 9-14
Lubrication and tests 9-14
Lubrication 9-14
Test 9-14
Replacing the decompression valve 9-15
Securing the PowerTilt swivel device on the machine 9-15
Fitting a bucket or equipment onto the PowerTilt swivel device 9-16
Adjusting the play on the PowerTilt 9-16
Troubleshooting
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.M
