64
4.2.5 HYDRAULIC SYSTEM
Recommended hydraulic oil brand and specification
Note: The excavator departed from factory has been filled with “★” marked
hydraulic oil..
Interval (hours)
Parts name Qty
8 50 100 200 400 800 1500 2000
1. Check hydraulic oil level —— 8 50 100 200 400 800 1500 2000
2. Vent sundries of hydraulic oil
tank
——
△
★
3. Replace hydraulic oil 30L
△
4. Clean oil inhaling filter ——
5. Replace oil inhaling filter ——
When replacing hydraulic oil
6. Clean oil returning filter
△
7. Replace oil returning filter
core.
——
△
8. Replace pilot oil filter ——
△
△
Leakage ——
△
9. Check
hose and
pipeline
Crack and
distortion
8 50 100 200 400 800 1500 2000
Oil species Hydraulic oil
Parts Hydraulic system
Replacement interval 2000 hours
Temperature
Engine oil
Manufacturer
-30℃－30℃ -5℃－40℃
Fina HM46
Esso Standard
Mobil AW32 AW46
Shell
German
Caltex HD46
Note Abrasion-resisted hydraulic oil
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