Hitachi ZW180 Operator's Manual page 232

ZW310
1. Clean the areas around the oil filter.
2. Before remove cartridge type element (4), loosen drain
plug (5) to drain oil from the cartridge. The oil is drained
through the drain hose. After draining the oil, tighten the
drain plug.
3. Remove oil filter cap (1) and cartridge type element (3)
using a filter wrench.
4. Holding the top side of oil filter cap (1) and the bottom
side of cartridge type element (3), press the cartridge
type element bottom to remove the cartridge type ele-
ment.
IMPORTANT:
• Take care not to allow foreign matter such as dirt
to enter the oil filter.
• Be careful not to damage the filter body when re-
moving or installing the filter.
• Never reuse a cartridge type element.
5. Replace oil filter cap O-ring (2) with a new one. Coat
grease to the O-ring.
6. Install new cartridge type element (3) by pushing it into
the oil filter cap.
7. Install the cartridge type element and oil filter cap to the
filter body.
Tightening torque: 40 N•m (4.0 kgf•m)
NOTE: Install the cartridge with care so that the O-ring is not
damaged due to twisting. Check for any oil leakage at
the filter mounting area.
MAINTENANCE
7-32
4
5
1
2
3
M4GB-07-024
M4GB-07-025
M4GB-07-022