Wacker Neuson 6503 Excavator Service Repair Manual

Table of  Content – Wacker Neuson 6503 Manual

• Operation
  • Important information on this service manual
  • Identification of warnings and dangers
  • Designated use and exemption from liability
  • Type labels and component numbers
  • Machine overview
  • Cab overview
  • Instrument panel overview
  • Engine compartment overview
  • Chassis overview
  • Tilting the cab
  • Summer and winter operation
  • Auxiliary hydraulics and boom swivel pedal
  • Battery master switch
• Specifications
  • Chassis
  • Engine
  • Hydraulic system
  • Undercarriage and swivel unit
  • Stabiliser blade
  • Electric system
  • Noise levels
  • Vibration
  • Coolant compound table
  • Tyres
  • Model-specific tightening torques
  • General tightening torques
  • Dimensions
  • Lift capacity tables
  • Kinematics
  • Attachments
• Maintenance
  • Fluids and lubricants
  • Maintenance label
  • Maintenance plan
  • Service package
  • Fuel system
  • Engine lubrication system
  • Cooling system
  • Air filter
  • V-belt
  • Pressure check
  • Test report
  • Hydraulic system
  • Lubrication work
  • Electric system
  • Cab
  • General maintenance work
• Engine
  • Engine 4TNV98-VNS
  • Fuel system
  • Valve cover removal
  • Valve clearance inspection and adjustment
  • Cylinder-head bolt tightening order
  • Injection nozzle inspection
  • Nozzle jet inspection
  • Injection timing
  • Fuel injection pump replacement
  • Engine speed adjustment
  • Compression
  • Coolant thermostat inspection
  • Thermal switch inspection
  • Oil pressure switch
  • Coolant circuit inspection
  • Engine 4TNV98-ZVNS
  • Engine troubleshooting
  • Electronic engine control
  • Engine error codes
  • Error diagnosis
  • Automatic engine speed setting
• Undercarriage
  • Hydraulic motor
  • Travelling drive
  • Steering axle
  • Oil change
  • Lubrication
  • Inspection
  • Differential
  • Planetary cage
  • Wheel bearings
  • Double cardan shaft
  • Steering ram
  • Track rod
  • Track adjustment
  • Brake shoes and wheel cylinders
  • Rigid planetary axle
  • Transfer gearbox
  • Parking brake and oscillating axle interlock
  • Oscillating axle check valve
  • Tyres
• Hydraulic System
  • Hydraulic pump
  • Pilot oil supply unit
  • Main valve block
  • Drive counterbalancing system
  • Stick regeneration
  • Bucket pre-tension
  • Boom raise summation
  • Load-retaining valve
  • Auxiliary hydraulics flow adjustment
  • Pilot valves
  • Steering unit
  • Steering system and priority valve
  • Valves
  • Swivel unit
  • Swivel joint
  • Breather filter
  • Service brake valve
  • Pressure accumulator charge valve
  • Hydraulic system troubleshooting
  • Hydraulics diagrams
• Electric System
  • Ohm’s Law and electrical power
  • Measuring equipment and methods
  • Cable colour coding
  • Relays
  • Electric units
  • Fuse boxes
  • Engine control unit
  • Joystick switches
  • Instrument panel overview
  • Switches overview
  • Alternator
  • Starter
  • Wiring diagrams
  • Engine wiring harnesses
  • Switch wiring harnesses
  • Cab wiring harnesses
  • Lighting wiring harnesses
  • Chassis wiring harnesses
  • Rear lights wiring harnesses
• Options
  • Air conditioning
  • Air-suspension seat
  • Long stick
  • Grab control circuit connections
  • Third control circuit connections
  • Auxiliary hydraulics connections
  • Fuel-filling pump
  • Central lubrication system
  • Service valve
  • Safe load indicators
  • Third control circuit
  • Triple articulation boom
  • Proportional auxiliary hydraulic controls
  • Auxiliary hydraulics shock cartridge
  • Third control circuit shock cartridge
  • Drive interlock
  • Quickhitch
  • Proportional controls
  • Diagnosis display