Table 1 replacement cycle for easy parts of Kobelco excavator
Hydraulic oil tankEngine lubricating oil filterPre diesel oil filter
| Project | spare parts name | Quantity | replacement cycle |
| return oil filter (including oil seal) | 1 | 500 h（First time） 500 h（Second time） | |
| Hydraulic oil tank | The oil suction filter net | 1 | cleaned once every 2000 H |
| Air filter | element (Single core) | 1 | regularly cleaned or replaced annually. |
| Air filter | element (Double core) | 1 | regularly cleaned or replaced annually. |
| oil filter | 1 | 500 h（First time） 500 h（Second time） | |
| Diesel oil filter | oil filter | 1 | 500h |
| Pilot oil filter | oil filter | 1 | 2000h |
| oil filter | 1 | 500h |
Table two replacement cycle of key parts of Kobelco excavator
between air conditioners and compressorsbetween engine and air heater
| Project | spare parts name | Quantity | replacement cycle |
| Hydraulic oil tank | oil pipe | 2 | 2 years |
| Engine fuel injection pump | oil pipe | 2 | 2 years |
| oil pipe | 2 | 2 years | |
| oil pipe | 2 | 2 years | |
| Hydraulic pump oil pipe | oil pipe | 1 | 2 years |
| hydraulic arm cylinder | oil pipe | 4 | 2 years |
| hydraulic rod cylinder | oil pipe | 2 | 2 years |
| hydraulic bucket cylinder | oil pipe | 2 | 2 years |
| Hydraulic system back oil pipe | connector (gasket) | 4 | 2 years |
