Maintenance
SY115C9/135C/155H Crawler Hydraulic Excavator
5-2
Safety, Operation and Maintenance Manual - Aug 2012
5.8.2.1 Air cleaner - clean/replace .................................................................. 5-29
5.8.2.2 Cooling system - clean ....................................................................... 5-37
5.8.2.3 Track shoe bolts - inspect/tighten ....................................................... 5-41
5.8.2.4 Track tension - inspect/adjust ............................................................. 5-42
5.8.2.5 Bucket tips (lateral pin) - replace ........................................................ 5-45
5.8.2.6 Bucket Replacement ........................................................................... 5-47
5.8.2.7 Bucket clearance - adjust .................................................................... 5-49
5.8.2.8 Window washer
fl
uid - check/re
fi
ll ...................................................... 5-51
5.8.2.9 Air conditioner - inspect/service .......................................................... 5-52
5.8.2.10 Gas spring - inspect .......................................................................... 5-54
5.8.2.11 Air in hydraulic system - purge .......................................................... 5-55
5.8.2.12 Hydraulic circuit internal pressure - release ...................................... 5-58
5.8.3 Checks before starting ................................................................................. 5-59
5.8.4 Every 100 service hours .............................................................................. 5-60
5.8.4.1 Lubrication .......................................................................................... 5-60
5.8.5 Every 250 service hours .............................................................................. 5-63
5.8.5.1 Compressor belt tension - inspect/adjust ............................................ 5-63
5.8.5.2 Oil in engine oil pan and oil
fi
lter - change/replace ............................. 5-65
5.8.5.3 Primary fuel
fi
lter - replace .................................................................. 5-67
5.8.5.4 Secondary fuel
fi
lter - replace ............................................................. 5-71
5.8.6 Every 500 service hours .............................................................................. 5-74
5.8.6.1 Swing bearing - lubricate .................................................................... 5-74
5.8.6.2 Swing pinion gear grease - check/re
fi
ll ............................................... 5-75
5.8.6.3 Coolant tank and radiator
fi
ns - inspect/clean ..................................... 5-76
5.8.6.4 Air conditioner
fi
lters - clean ................................................................ 5-77
5.8.6.5 Swing drive oil - check/re
fi
ll ................................................................. 5-80
5.8.6.6 Final drive oil - check/
fi
ll ...................................................................... 5-81
5.8.7 Every 1000 service hours ............................................................................ 5-82
5.8.7.1 Hydraulic oil
fi
lter - replace .................................................................. 5-82
5.8.7.2 Swing drive oil - change ...................................................................... 5-84
5.8.7.3 Engine exhaust pipe clamps - check .................................................. 5-85
5.8.7.4 Fan belt tension - check/replace ......................................................... 5-85
5.8.7.5 Nitrogen pressure in accumulator (breaker) - check ........................... 5-85
5.8.8 Every 2000 service hours ............................................................................ 5-86
5.8.8.1 Final drive oil - change ........................................................................ 5-86
5.8.8.2 Hydraulic tank
fi
lter screen - clean ...................................................... 5-88