Maintenance
SY115C9/135C/155H Crawler Hydraulic Excavator
Maintenance
Safety, Operation and Maintenance Manual - Aug 2012
5-1
5 Maintenance
5.1 Maintenance Information ......................................................................................... 5-5
5.2 General Service ....................................................................................................... 5-9
5.2.1 Oil, fuel and coolant ....................................................................................... 5-9
5.2.1.1 Oil .......................................................................................................... 5-9
5.2.1.2 Fuel ..................................................................................................... 5-10
5.2.1.3 Coolant ................................................................................................5-11
5.2.2 Grease ......................................................................................................... 5-12
5.2.3 Oil and fuel storage ...................................................................................... 5-13
5.2.4 Filter element ............................................................................................... 5-13
5.2.5 Electrical system ......................................................................................... 5-14
5.2.6 Hydraulic system.......................................................................................... 5-14
5.3 Replacement Parts ................................................................................................ 5-16
5.4 Recommended Fluids ............................................................................................ 5-17
5.4.1 Fluid capacities ............................................................................................ 5-19
5.4.2 Recommended oils: .................................................................................... 5-20
5.5 Tightening Torque Speci
fi
cation ............................................................................. 5-22
5.6 Safety-Related Parts.............................................................................................. 5-24
5.7 Maintenance Schedule .......................................................................................... 5-25
5.7.1 List of maintenance schedule ...................................................................... 5-25
5.7.2 Hydraulic Breaker Service Interval............................................................... 5-27
5.8 Maintenance Procedures ....................................................................................... 5-28
5.8.1 Maintenance after initial 50 service hours.................................................... 5-28
5.8.1.1 Engine oil and
fi
lter - change/replace .................................................. 5-28
5.8.1.2 Fuel
fi
lter - replace ............................................................................. 5-28
5.8.2 When Required ............................................................................................ 5-29