
Optional Equipment
SY115C9/135C/155H Crawler Hydraulic Excavator
Optional Equipment
Safety, Operation and Maintenance Manual - Aug 2012
8-1
8 Optional Equipment
8.1 General Safety ........................................................................................................ 8-3
8.1.1 Selection precautions..................................................................................... 8-3
8.1.2 Reading the instruction books........................................................................ 8-3
8.1.3 Removal and installation precautions ........................................................... 8-3
8.1.4 Operation precautions.................................................................................... 8-4
8.2 Hydraulic Control Elements and Oil Circuit ............................................................. 8-6
8.2.1 Location of the components ........................................................................... 8-6
8.2.1.1 Stop valve ............................................................................................. 8-6
8.2.1.2 Selector valve ....................................................................................... 8-7
8.2.1.3 Control pedal ......................................................................................... 8-7
8.2.2 Hydraulic circuit.............................................................................................. 8-8
8.2.2.1 Hydraulic circuit switching ..................................................................... 8-8
8.2.2.2 Shifting to breaker / general optional equipment .................................. 8-8
8.2.2.3 Connecting hydraulic oil circuit ............................................................. 8-9
8.2.2.4 Hydraulic oil passage .......................................................................... 8-10
8.2.3 Optional equipment removal and installation ................................................8-11
8.2.3.1 Removal ...............................................................................................8-11
8.2.3.2 Optional equipment installation .......................................................... 8-13
8.2.4 Hydraulic oil and hydraulic tank
fi
lter - change/replace ............................... 8-15
8.2.5 Long-term storage........................................................................................ 8-16
8.2.6 Hydraulic speci
fi
cations ............................................................................... 8-16
8.3 Optional equipment Guide ..................................................................................... 8-17
8.3.1 Work equipment combination ...................................................................... 8-17
8.3.2 Bucket tips selection .................................................................................... 8-19
8.3.2.1 Rockwork bucket tips .......................................................................... 8-19