BA 50Z3/6003 en - Edition 4.3 * Ba5003en4_3IVZ.fm I-5
Table of contents
Working with the Vario feature ...................................................................... 3-101
Improved reach with the Vario feature ........................................................... 3-101
Releasing the pressure on the operating hydraulics ............................................ 3-102
Releasing pressure ........................................................................................ 3-102
Pressure release with proportional controls (option) ..................................... 3-102
Re-equipping attachments ................................................................................... 3-103
Specific safety instructions ............................................................................ 3-103
Removing a bucket ........................................................................................ 3-103
Installing a bucket .......................................................................................... 3-104
Quickhitch (option) ............................................................................................... 3-104
Hydraulic Easy Lock quickhitch (option) .............................................................. 3-106
Powertilt (option) .................................................................................................. 3-110
Re-equipping ................................................................................................. 3-110
Operation ....................................................................................................... 3-111
Right-hand control lever (Powertilt) ............................................................... 3-111
Connections for auxiliary hydraulics .................................................................... 3-112
Quickhitch couplings ...................................................................................... 3-112
Safe load indicator (option) .................................................................................. 3-113
Safety feature “Hose burst valve” (option) ........................................................... 3-114
Applications with lifting gear ................................................................................ 3-114
Lifting gear applications ................................................................................. 3-115
Fastening loads ............................................................................................. 3-115
Work area assessment and preparation .............................................................. 3-115
Examining the site ......................................................................................... 3-115
Preparing the ground ..................................................................................... 3-115
Working with the machine .................................................................................... 3-116
Working with the standard bucket ................................................................. 3-116
Inadmissible work .......................................................................................... 3-116
Work position of machine .............................................................................. 3-117
Bucket position when digging ........................................................................ 3-118
Excavating trenches ...................................................................................... 3-118
Loading .......................................................................................................... 3-119
Grading .......................................................................................................... 3-119
Excavating trenches sideways ...................................................................... 3-119
Working alongside trenches .......................................................................... 3-120
Stabilizer blade at rear ................................................................................... 3-120
Further practical hints for digging .................................................................. 3-121
Loading vehicles ............................................................................................ 3-121
Freeing the machine ...................................................................................... 3-121
Grading ................................................................................................................ 3-121
Grading .......................................................................................................... 3-121
Troubleshooting
Engine trouble .......................................................................................................... 4-1
Indicator lights ................................................................................................... 4-3
Seals, hoses ...................................................................................................... 4-3
Travel gear ........................................................................................................ 4-4
Engine error codes .................................................................................................. 4-5
Malfunctions of the Powertilt unit ............................................................................. 4-9
Troubleshooting the central lubrication system (option) ........................................ 4-10
Proportional controls (option) diagnosis display .................................................... 4-11
Maintenance
Introduction .............................................................................................................. 5-1
Safety-relevant parts ................................................................................................ 5-1
Fuel system ............................................................................................................. 5-2
Refuelling ........................................................................................................... 5-3
Fuel-filling pump (option) (up to serial no. AD04862) ........................................ 5-3
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