1-4 OM 803 us - Ausgabe 3.7 * * Ba803us3_7IVZ.fm
Table of contents
Coupling ........................................................................................................... 3-65
Checking the hydraulic oil levels of the power unit and excavator .................. 3-67
Changeover from HPU to diesel operation ...................................................... 3-68
Changeover from diesel to HPU operation ...................................................... 3-69
Uncoupling ....................................................................................................... 3-70
Charging the excavator battery ........................................................................ 3-71
Charging the battery with the power unit ......................................................... 3-73
Charging the battery with the mains ................................................................ 3-73
Dual-Power operation with rotating beacon ..................................................... 3-74
Pressure release on the auxiliary hydraulics ......................................................... 3-75
Releasing pressure .......................................................................................... 3-75
Re-equipping attachments ..................................................................................... 3-75
Specific safety instructions .............................................................................. 3-76
Removing a bucket .......................................................................................... 3-76
Installing a bucket ............................................................................................ 3-77
Connections for auxiliary hydraulics ................................................................ 3-77
Connections for auxiliary hydraulics (stick hose routing option) ...................... 3-78
Attachments ..................................................................................................... 3-79
Maintenance of attachments ............................................................................ 3-79
Working with the standard bucket .................................................................... 3-79
Inadmissible work procedures ......................................................................... 3-79
Excavator work position ................................................................................... 3-80
Bucket position when digging .......................................................................... 3-81
Excavating trenches ........................................................................................ 3-81
Loading ............................................................................................................ 3-81
Grading ............................................................................................................ 3-82
Excavating trenches sideways ......................................................................... 3-82
Grading .................................................................................................................. 3-83
Grading ............................................................................................................ 3-83
Working alongside trenches ............................................................................ 3-84
Stabilizer blade at rear ..................................................................................... 3-84
Malfunctions 4
Engine trouble .......................................................................................................... 4-1
Maintenance 5
Introduction .............................................................................................................. 5-1
Fuel system .............................................................................................................. 5-2
Specific safety instructions ................................................................................ 5-2
Refueling ............................................................................................................ 5-3
Draining fuel ....................................................................................................... 5-3
Stationary fuel pumps ........................................................................................ 5-3
Bleeding the fuel system .................................................................................... 5-4
Fuel prefilter with water separator ..................................................................... 5-5
Engine lubrication system ........................................................................................ 5-6
Checking the oil level ......................................................................................... 5-7
Adding engine oil ............................................................................................... 5-7
Engine cooling system ............................................................................................. 5-8
Specific safety instructions ................................................................................ 5-8
Checking the coolant level/adding coolant ...................................................... 5-10
Cleaning the radiator ....................................................................................... 5-11
Air filter ................................................................................................................... 5-12
Air filter (up to serial no. AI00875) ................................................................... 5-13
Replacing air filter elements ............................................................................ 5-13
Air filter (from serial no. AI00876) .................................................................... 5-14
Replacing air filter elements ............................................................................ 5-14
V-belt ...................................................................................................................... 5-15
Checking V-belt tension ................................................................................... 5-15
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