Wacker Neuson EZ28 Excavator Service Repair Manual

Table of Content – Wacker Neuson EZ28  Manual

• Operation
  • Information on this service manual
  • Identification of warnings and dangers
  • Explanation of symbols and abbreviations
  • Designated use and exemption from liability
  • Labels
  • Machine overview
  • Cabin
  • Engine compartment
  • Valve compartment
  • Chassis overview
  • Indicators and switches
  • Operating hydraulics
  • Cabin and control stand
  • Control lever base
  • Accelerator actuation
  • High speed
  • Automatic engine speed setting
  • Brakes
  • Protective structures
  • Emergency exit
  • Emergency lowering
  • Releasing hydraulic pressure
  • Hydraulic connections
  • Parking the machine
  • Fire extinguisher
  • Towing the machine
• Technical data
  • Models and trade names
  • Engine
  • Traveling drive and axles
  • Tracks
  • Fuel injection pump
  • Brakes
  • Steering system
  • Hose identification code
  • Hydraulic system
  • Speed
  • Coolant compound table
  • Ground clearance and ground pressure
  • Excavator forces
  • Vibration
  • Electrical system
  • Weight
  • Noise emissions
  • Powertilt
  • Engine tightening torques
  • Model-specific tightening torques
  • General tightening torques
  • Payload and lift capacity
  • Dimensions
  • Kinematics
  • Measuring live ring tolerance
• Maintenance
  • Information on maintenance
  • Service package
  • Fluids and lubricants
  • Maintenance label
  • Maintenance plan
  • Overview of maintenance areas
  • Maintenance accesses
  • Fuel system
  • Washer system
  • Engine lubrication system
  • Cooling system
  • Air filter
  • Heating, ventilation and air conditioning
  • V-belt
  • Pressure check
  • Test report
  • Hydraulic system
  • Pilot control filter
  • Traveling drive
  • Tires and tracks
  • Maintenance of attachments
  • Maintenance of options
  • Lubrication work
  • Lubrication schedule
  • Electrical system
  • Cleaning and maintenance
  • Resetting the maintenance meter
• Engine
  • Engine 3TNV76-NNS
  • Fuel system
  • Cooling system
  • Valve clearance
  • Cylinder-head bolts
  • Injection nozzles
  • Injection time
  • Injection pump
  • Engine speed
  • Compression
  • Coolant thermostat
  • Temperature sensor
  • Oil pressure switch
  • Coolant circuit
  • Cooling water channels
  • Coolant and fuel hoses
  • Crankcase vent
  • Glow plugs
  • Engine malfunctions
  • Engine 3TNV80F-SNNS
  • Altitude-dependent output reduction
• Hydraulic system
  • Hydraulic pump
  • Variable displacement and twin gear pumps
  • Pump unit
  • Pilot oil supply unit
  • Hydraulic pump disassembly and assembly
  • Hydraulic pump malfunctions
  • Main valve block
  • Main control lines
  • Pressure limiting valves
  • Drive counterbalancing system
  • Regeneration
  • Bucket pre-tension
  • Traveling drive
  • Swivel unit
  • Swivel joint
  • Swivel joint VDS
  • Pilot valves
  • Valves
  • Hydraulic quickhitch valve
  • Hydraulic oil reservoir service valve
  • Breather filter
  • Hydraulic system malfunctions
• Electrical system
  • Ohm’s Law and electrical power
  • Measuring equipment and methods
  • Relays
  • Electric units
  • Fuses and relays
  • Bulbs
  • Alternator
  • Starter
  • 12 V power outlet
  • Socket
  • Radio
  • Rotating beacon
  • Engine and chassis wiring harnesses
  • Cabin wiring harness
  • Canopy lights wiring harness
  • Proportional controls wiring harness
  • Engine speed control wiring harness
  • Travel signal wiring harness
  • Hydraulic quickhitch wiring harness
  • Battery lead
• Diagrams
  • Hydraulics diagram legend
  • Hydraulics diagrams
  • Third control circuit hydraulics diagrams
  • Options hydraulics diagrams
  • Wiring diagram legends
  • Wiring diagrams
• Options
  • Counterweight
  • Long stick
  • Automatic engine speed setting
  • Grab control circuit
  • Attachments
  • Safe load indicator
  • Hose burst valve
  • Hydraulic quickhitch valve
  • Easy Lock emergency unlocking
  • Vertical Digging System
  • Third control circuit
  • Proportional controls
  • Hammer operation
  • Additional control circuit AUX I
  • Swiveling the boom
  • Powertilt AUX II
  • ISO and SAE controls
  • Travel signal
  • Immobilizer
  • Engine oil service valve
  • Telematic
• PowerTilt PTS06
  • General instructions
  • General safety instructions
  • Checking the product
  • Internal decompression valve
  • Testing the hydraulic system
  • Specifications and requirements
  • Tools
  • Removing the PowerTilt swivel device
  • Exploded views
  • PTS06 components
  • Assembly drawing
  • Removing components
  • Checking components
  • Trial assembly
  • Installing seals and bearings
  • Installing the piston tube
  • Installing the shaft
  • Installing the end cap
  • Installing the decompression valve
  • Installing the journal coupling
  • Lubrication and tests
  • Installing the PowerTilt on the machine
  • Installing a bucket or attachment
  • Adjusting PowerTilt play
  • Troubleshooting