Wacker Neuson 2503

OM 25-3503 us - Edition 4.1 * Ba2503_3503us4_0IVZ.fm I-5
Table of contents
Control lever on the right (if equipped with auxiliary hydraulics and proportional
controls) ......................................................................................................... 3-100
Connections for auxiliary hydraulics .................................................................... 3-100
Grab operation ..................................................................................................... 3-101
Safe load indicator (option) .................................................................................. 3-102
Safety feature “Hose burst valve” (option) ..................................................... 3-102
Working with the excavator .................................................................................. 3-103
Inadmissible work procedures ....................................................................... 3-103
Excavator work position ................................................................................. 3-105
Bucket position when digging ........................................................................ 3-105
Excavating trenches ...................................................................................... 3-106
Loading .......................................................................................................... 3-106
Grading .......................................................................................................... 3-106
Excavating trenches sideways ...................................................................... 3-106
Working alongside trenches .......................................................................... 3-107
Stabilizer blade at rear ................................................................................... 3-107
Further recommendations for digging ............................................................ 3-108
Loading vehicles ............................................................................................ 3-108
Freeing the machine ...................................................................................... 3-108
Grading ................................................................................................................ 3-109
Grading .......................................................................................................... 3-109
Exhaust gas treatment (Tier IV) ........................................................................... 3-109
Indication of load ........................................................................................... 3-111
Particulate matter catalyst indicator lights ..................................................... 3-111
Regeneration push button ............................................................................. 3-112
Automatic regeneration mode ....................................................................... 3-113
Manual regeneration ...................................................................................... 3-114
Malfunctions 4
Hydraulics .......................................................................................................... 4-2
Malfunctions of the Powertilt unit ............................................................................. 4-3
Engine warning lights (Tier IV only) ......................................................................... 4-4
Engine and engine oil warning lights (Tier IV only) .................................................. 4-4
Malfunctions (display element/multifunctional display – Tier IV only) ...................... 4-5
Engine error messages ..................................................................................... 4-6
Maintenance 5
Introduction .............................................................................................................. 5-1
Safety-relevant parts ................................................................................................ 5-1
Fuel system ............................................................................................................. 5-2
Refueling ........................................................................................................... 5-2
Stationary fuel pumps ........................................................................................ 5-2
Draining fuel ...................................................................................................... 5-3
Diesel fuel specification ..................................................................................... 5-3
Bleeding the fuel system ................................................................................... 5-4
Water separator ................................................................................................. 5-4
Engine lubrication system ........................................................................................ 5-5
Checking the oil level ......................................................................................... 5-5
Adding engine oil ............................................................................................... 5-6
Engine and hydraulics cooling system ..................................................................... 5-7
Specific safety instructions ................................................................................ 5-7
Checking the coolant level/adding coolant .............................................................. 5-8
Checking the coolant level ................................................................................. 5-9
Adding coolant ................................................................................................. 5-10
Draining coolant ............................................................................................... 5-10
Air filter ................................................................................................................... 5-11