OM 28Z3 US - Edition 2.0 * Ba28Z3us2_0IVZ.fm I-3
Table of Contents
Cab heating and ventilation ................................................................................... 3-24
Heating adjustment .......................................................................................... 3-25
Washer system ...................................................................................................... 3-25
Tank for washer system .................................................................................. 3-26
Seat ....................................................................................................................... 3-26
Seat adjustment ............................................................................................... 3-26
Weight adjustment ........................................................................................... 3-27
Horizontal adjustment ...................................................................................... 3-27
Seat belt ................................................................................................................. 3-28
Emergency exit ...................................................................................................... 3-29
Front window ......................................................................................................... 3-30
Door ....................................................................................................................... 3-31
Side window ........................................................................................................... 3-32
Engine cover .......................................................................................................... 3-32
Exit through the door ............................................................................................. 3-33
Armrest adjustment ................................................................................................ 3-34
Towing the track excavator .................................................................................... 3-34
Towing ............................................................................................................. 3-34
Lifting excavator ..................................................................................................... 3-36
Loading and transporting the machine .................................................................. 3-37
Tying down the excavator ...................................................................................... 3-38
Operating the machine .......................................................................................... 3-39
General safety instructions .............................................................................. 3-39
Control levers/control pattern ’’A’’: overview .......................................................... 3-40
Left-hand side control lever ............................................................................. 3-40
Boom swivel controls ....................................................................................... 3-40
Auxiliary hydraulics .......................................................................................... 3-41
Right-hand side control lever ........................................................................... 3-41
Lowering the boom with the engine stopped ................................................... 3-42
Releasing pressure .......................................................................................... 3-42
Rotating the upper carriage ............................................................................. 3-42
Swivel unit brake ............................................................................................. 3-43
Changeover valve for control pattern’’B’’(option) ................................................... 3-44
Left-hand side control lever ............................................................................. 3-44
Right-hand side control lever ........................................................................... 3-44
Directional valve position ................................................................................. 3-44
Directional valve .............................................................................................. 3-45
Control lever with proportional controls (option): overview .................................... 3-46
Function ........................................................................................................... 3-46
Measures to be taken in case of malfunctions ................................................ 3-47
Left-hand side control lever ............................................................................. 3-47
Boom swivel controls ....................................................................................... 3-48
Auxiliary hydraulics .......................................................................................... 3-48
Hammer operation ........................................................................................... 3-48
Adjusting control response: ............................................................................. 3-49
Characteristic curves – status display ............................................................. 3-49
Lowering the boom with the engine switched off ............................................. 3-50
Releasing pressure .......................................................................................... 3-50
Rotating the upper carriage ............................................................................. 3-51
Rotating upper carriage brake ......................................................................... 3-51
Control lever if equipped with 3rd control circuit (option): overview ....................... 3-52
Left-hand side control lever ............................................................................. 3-52
Boom swivel controls ....................................................................................... 3-52
Auxiliary hydraulics .......................................................................................... 3-53
Right-hand side control lever ........................................................................... 3-53
Lowering the boom with the engine switched off ............................................. 3-54
Releasing pressure .......................................................................................... 3-54