Service Manual Wacker Neuson 8003 Track Excavator; Content: OPERATION Important information on this service manual Abbreviations/symbols Identification of warnings and dangers Designated use and exemption from liability Type labels and component numbers Serial number Cab number Engine number Hydraulic pump number Main valve block number Travelling drive number Swivel unit number Machine: overview Cab: overview Cab: legend Instrument panel: overview Instrument panel: legend Engine compartment: overview Chassis: overview Tilting the cab Summer/winter operation Pedal for auxiliary hydraulics/swivelling and rotating the boom SPECIFICATIONS Chassis Engine Hydraulic system Undercarriage and swivel unit Stabiliser blade Electric system Noise levels Coolant compound table Model-specific tightening torques General tightening torques Dimensions model 8003 Lift capacity table 8003 Lift capacity table 8003 with extended dipper arm Lift capacity table 8003 with counterweight Lift capacity table 8003 with extended dipper arm and counterweight Lift capacity table 8003 Vario (option) Kinematics MAINTENANCE Fluids and lubricants Maintenance label Maintenance plan (overview) Service package Introduction Fuel system General Refuelling from barrels Engine lubrication system Checking the oil level Cooling system Checking the coolant level Filling up coolant Air filter V-belt Pressure check Test report Hydraulic system Travelling drive Chains Electric system Cab General maintenance work When using washing solvents When using compressed air When using a high-pressure cleaner or steam jet When using volatile and easily flammable anticorrosion agents and sprays Cleaning the seat belt ENGINE 4TNV98 engine: overview Fuel system Removing the cylinder-head cover Checking and adjusting valve tip clearance Tightening order for cylinder head bolts Checking the injection nozzles Checking the nozzle jet Injection time Adjusting engine revs Compression Checking the coolant thermostat Checking the thermal switch Oil pressure switch Checking the coolant circuit Engine trouble HYDRAULIC SYSTEM Hydraulic pump AP2D36LV3RS6-874-P Main valve block Drive counterbalancing system Boom summation - raise Boom check valve (load retaining valve) Dipper arm cylinder summation Dipper arm check valve (load retaining valve) Secondary pressure limiting valves for the auxiliary hydraulics (option) Pilot valves Valves Drive up to serial number: AC 02956 Auto2Speed drive starting serial no.: AC 02957 Swivel unit Swivel joint Breather filter Troubleshooting in the hydraulic system Hydraulics diagram A4 Hydraulics diagram (legend) Hydraulics diagram Main valve block diagram Electric system Ohms Law (current, voltage, resistance); power Measuring equipment, measuring methods Cable colour coding Relays Electric units Fuse box in instrument panel Main fuse box with relays Relays Socket Joystick tip switches Instrument panel: overview Switches: overview Alternator Starter Wiring diagram A4: legend Wiring diagram A4 Wiring harness 1000116497 (legend): engine - chassis A4 Wiring harness 1000109697: engine - chassis A4 Wiring harness 1000125106 (legend): switches A4 Wiring harness 1000125106: switches A4 Wiring harness 1000109629: cab roof Wiring harness 1000109628: armrest Wiring harness 1000116138: boom working light Wiring diagram A3: legend Wiring diagram A3 Wiring harness 1000109624 (legend): engine - chassis A3 Wiring harness 1000109624: engine - chassis A3 Wiring harness 1000125106 (legend): switches A3 Wiring harness 1000125106: switches A3 Wiring harness 1000109629: cab roof A3 Wiring harness 1000109628: armrest A3 Wiring harness 1000116138: boom working light A3 OPTIONS Air conditioning Air-suspension seat Counterweight Extended dipper arm Control circuit (pipework) connections for grab 3rd control circuit connections Auxiliary hydraulics connections Neuson Vario Fuel-filling pump Central lubrication system Safe load indicator D (safety valve for boom) Safe load indicator F (safety valves for boom and dipper arm) Drive interlock (antitheft protection) Quickhitch facility