Wacker Neuson 28Z3

I-4 OM 28Z3 US - Edition 2.0 * * Ba28Z3us2_0IVZ.fm
Table of Contents
Rotating the upper carriage ............................................................................. 3-54
Rotating upper carriage ................................................................................... 3-55
Releasing the pressure on the work hydraulics ..................................................... 3-56
Releasing pressure .......................................................................................... 3-56
Pressure release with proportional controls (option) ....................................... 3-56
Coupling and uncoupling attachments ................................................................... 3-57
Specific safety instructions .............................................................................. 3-57
Removing a bucket .......................................................................................... 3-58
Mounting a bucket ........................................................................................... 3-58
Quickhitch (option) ................................................................................................. 3-59
Hydraulic quickhitch (option) .................................................................................. 3-60
Maintenance .................................................................................................... 3-60
Operation ......................................................................................................... 3-61
Powertilt (option) .................................................................................................... 3-63
Re-equipping ................................................................................................... 3-64
Mounting the Powertilt unit .............................................................................. 3-64
Removing the Powertilt unit ............................................................................. 3-64
Port .................................................................................................................. 3-65
Operation ......................................................................................................... 3-65
Right-hand side control lever (Powertilt) .......................................................... 3-66
Connections for auxiliary hydraulics ...................................................................... 3-67
Grab couplings ................................................................................................. 3-67
Attachments ........................................................................................................... 3-68
Load holding control valve (option) ........................................................................ 3-68
Working with the excavator .................................................................................... 3-69
Working with the standard bucket .................................................................... 3-69
Prohibited operation ......................................................................................... 3-69
Excavator work position ................................................................................... 3-71
Bucket position when digging .......................................................................... 3-71
Excavating trenches ........................................................................................ 3-71
Loading ............................................................................................................ 3-72
Grading ............................................................................................................ 3-72
Excavating trenches sideways ......................................................................... 3-72
Working alongside trenches ............................................................................ 3-73
Stabilizer blade at rear ..................................................................................... 3-73
Grading .................................................................................................................. 3-75
Grading ............................................................................................................ 3-75
Safe load indicator (option) .................................................................................... 3-75
Troubleshooting
Engine trouble ......................................................................................................... 4-2
Malfunctions of the Powertilt unit ............................................................................. 4-3
Maintenance
Introduction .............................................................................................................. 5-1
Fuel system .............................................................................................................. 5-2
Specific safety instructions ................................................................................ 5-2
Refueling ............................................................................................................ 5-2
Draining the fuel ................................................................................................. 5-3
Stationary fuel pumps ........................................................................................ 5-3
Diesel fuel specification ..................................................................................... 5-4
Bleeding the fuel system .................................................................................... 5-4
Water separator ................................................................................................. 5-5
Engine lubrication system ........................................................................................ 5-6
Checking the oil level ......................................................................................... 5-6
Adding engine oil ............................................................................................... 5-7
Engine and hydraulics cooling system ..................................................................... 5-8
Checking / filling up coolant ............................................................................... 5-8