Wacker Neuson 75Z3, 75Z3-2 Tracked Excavator Index:

Documentation
1 Operation
1.1 Information on this service manual
1.2 Identification of warnings and dangers
1.3 Designated use and exemption from liability
1.4 Type labels and component numbers
1.5 Machine overview
1.6 Cabin overview
1.7 Cabin (legend)
1.8 Instrument panel overview
1.9 Instrument panel legend
1.10 Engine compartment up to serial no. AD07209 (overview)
1.11 Engine compartment from serial no. AH00646 (overview)
1.12 Chassis overview
1.13 Raising/lowering the cabin
1.14 Summer/winter operation
1.15 Auxiliary hydraulics/boom swivel pedal
2 Technical data
2.1 Chassis
2.2 Engine
2.3 Hydraulic system
2.4 Travel gear and swivel unit
2.5 Stabilizer blade
2.6 Electrical system
2.7 Noise levels
2.8 Vibration
2.9 Coolant compound table
2.10 Model-specific tightening torques
2.11 General tightening torques
2.12 Dimensions model 75Z3
2.13 Lift capacity table
2.14 Kinematics
2.15 Measuring live ring tolerance
3 Maintenance
3.1 Fluids and lubricants
3.2 Maintenance label
3.3 Maintenance plan (overview)
3.4 Introduction
3.5 Fuel system
3.6 Engine lubrication system
3.7 Cooling system
3.8 Air filter
3.9 V-belt
3.10 Pressure check
3.11 Test report
3.12 Hydraulic system
3.13 Traveling drive
3.14 Tracks
3.15 Overview of lubrication points
3.16 Electrical system
3.17 Battery
3.18 Cabin
3.19 General maintenance
4 Engine
4.1 Engine 4TNV98-VNS (up to serial no. AD07209 Tier 2)
4.2 Fuel system
4.3 Removing the cylinder-head cover
4.4 Checking and adjusting valve clearance
4.5 Tightening order for cylinder head bolts
4.6 Checking the injection nozzles
4.7 Checking the nozzle jet
4.8 Injection time
4.9 Adjusting engine speed
4.10 Compression
4.11 Checking the coolant thermostat
4.12 Checking the thermal switch
4.13 Oil pressure switch
4.14 Checking the coolant circuit
4.15 Engine 4TNV98-ZVNS (from serial no. AH00646)
4.16 Fuel system
4.17 Removing the cylinder-head cover
4.18 Checking and adjusting valve clearance
4.19 Tightening order for cylinder head bolts
4.20 Checking the injection nozzles
4.21 Checking the nozzle jet
4.22 Injection time
4.23 Compression
4.24 Checking the coolant thermostat
4.25 Checking the thermal switch
4.26 Oil pressure switch
4.27 Checking the coolant circuit
4.28 Engine malfunctions
4.29 Electronic engine control unit (E-ECU)
4.30 Engine error codes
4.31 Error diagnosis
4.32 Automatic engine speed setting
5 Hydraulic system
5.1 Hydraulic pump AP2D36LV3RS6-875-P
5.2 Main valve block
5.3 Drive counterbalancing system
5.4 Bucket pre-tension
5.5 Boom raise summation
5.6 Check valve (load retaining valve)
5.7 Stick cylinder summation – extend
5.8 Pilot valves
5.9 Valves
5.10 Traveling drive up to serial no. AC02793
5.11 Traveling drive Auto2Speed from serial no. AC02794
5.12 Swivel unit
5.13 Swivel joint
5.14 Breather filter
5.15 Malfunctions in the hydraulic system
5.16 Hydraulics diagram
5.17 Hydraulics diagram (legend)
5.18 Hydraulics diagram (up to serial no. WNCE0604CPAL00602)
5.19 Hydraulics diagram (from serial no. WNCE0604JPAL00603)
5.20 Options diagram 1
5.21 Options diagram 2
5.22 Main valve block diagram
6 Electrical system
6.1 Ohm’s Law (current, voltage, resistance); power
6.2 Measuring equipment, measuring methods
6.3 Cable color coding
6.4 Relays
6.5 Electric units
6.6 Fuse box on the instrument panel up to serial no. AD07209
6.7 Main fuse box with relays up to serial no. AD07209
6.8 Relays up to serial no. AD07209
6.9 Fuse box on the instrument panel (from serial no. AH00646)
6.10 Main fuse box with relays (from serial no. AH00646)
6.11 ECU (from serial no. AH00646)
6.12 Socket
6.13 Control lever push button
6.14 Instrument panel overview
6.15 Switches (up to serial no. AD07209) (overview)
6.16 Switches (from serial no. AH00646) (overview)
6.17 Alternator
6.18 Starter
6.19 Engine/chassis wiring harness (up to serial no. AD07209) (legend)
6.20 Engine/chassis wiring harness (up to serial no. AD07209)
6.21 Engine/chassis wiring harness (from serial no. AH00646) (legend)
6.22 Engine/chassis wiring harness (from serial no. AH00646)
6.23 Switch wiring harness (legend)
6.24 Switches wiring harness up to serial no. AH02749
6.25 Switches wiring harness from serial no. AJ02793
6.26 Cabin roof wiring harness
6.27 Armrest wiring harness
6.28 Boom working light wiring harness
6.29 Proportional controls wiring harness
6.30 Wiring diagram up to serial no. AD07209 (legend)
6.31 Wiring diagram A3 up to serial no. AD07209
6.32 Wiring diagram A4 from serial no. AH00646 (legend)
6.33 Wiring diagram A4 (1) from serial no. AH00646
6.34 Wiring diagram A4 (2) from serial no. AH00646
7 Options
7.1 Air conditioning
7.2 Air-suspension seat
7.3 Counterweight
7.4 Long stick
7.5 Control circuit (pipework) connections for grab
7.6 3rd control circuit connections
7.7 Auxiliary hydraulics connections
7.8 Fuel-filling pump
7.9 Central lubrication system
7.10 Service valve
7.11 Safe load indicator D (safety valve for boom)
7.12 Safe load indicator F (safety valves for boom and stick)
7.13 3rd control circuit
7.14 Electric auxiliary hydraulics
7.15 Auxiliary hydraulics shock cartridge
7.16 3rd control circuit shock cartridge
7.17 Immobilizer (antitheft protection)
7.18 Quickhitch
7.19 Proportional controls
7.20 Telematic