Safety
Safety, Operation and Maintenance Manual - Sep 2012
2-3
SY115C9/135C/155H Crawler Hydraulic Excavator
2.4.2.4 Travel directions .................................................................................. 2-43
2.4.2.3 Rules for steering safety ..................................................................... 2-43
2.4.2.5 Rules for traveling safety .................................................................... 2-45
2.4.2.6 Safe traveling ..................................................................................... 2-46
2.4.2.7 Operation on an incline ....................................................................... 2-47
2.4.2.8 Operation in snowy weather ............................................................... 2-48
2.4.2.9 Restricted operations .......................................................................... 2-48
2.4.3 Parking the machine .................................................................................... 2-51
2.4.3.1 Select a parking place ......................................................................... 2-51
2.4.3.2 Machine shutdown .............................................................................. 2-51
2.4.4 Transportation .............................................................................................. 2-52
2.4.4.1 Loading and unloading the machine ................................................... 2-52
2.4.4.2 Transporting the machine ................................................................... 2-53
2.4.5 Battery.......................................................................................................... 2-54
2.4.6 Lifting objects with the machine ................................................................... 2-56
2.5 Precautions for Maintenance ................................................................................. 2-57
2.5.1 Prior-maintenance precautions .................................................................... 2-57
2.5.2 Select a working area .................................................................................. 2-57
2.5.3 Preparing the machine ................................................................................ 2-58
2.5.4 Preparing yourself ........................................................................................ 2-59
2.5.5 Lock-out and tag-out .................................................................................. 2-60
2.5.6 Using proper tools ........................................................................................ 2-60
2.5.7 Maintenance with engine running ................................................................ 2-61
2.5.8 Working under the machine ......................................................................... 2-61
2.5.9 Track maintenance....................................................................................... 2-62
2.5.10 Track tension adjustment precautions ....................................................... 2-63
2.5.11 Recoil spring .............................................................................................. 2-63
2.5.12 Welding operation ...................................................................................... 2-64
2.5.13 High-pressure hoses .................................................................................. 2-64
2.5.14 Pressurized
fl
uid ........................................................................................ 2-65
2.5.15 Hot cooling system..................................................................................... 2-66
2.5.16 Air-conditioning system ............................................................................. 2-66
2.5.17 High voltage precautions ........................................................................... 2-67
2.5.18 Accumulator ............................................................................................... 2-67
2.5.19 Avoiding
fi
re and explosion ........................................................................ 2-68
2.5.20 Regular replacement of safety-related parts .............................................. 2-69
