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[4] REPLACEMENT HYDRAULIC OIL FILTER ELEMENT
• The parts and oil are at high temperature immediately after the engine is stopped, and may
cause serious burns. Wait for the temperature to go down before starting the operation.
• When removing the oil filler cap, turn it slowly to release the internal pressure, then remove it.
• For details of using oil specified, see “Maintenance 7.1 Use of Fuel, Coolant and Lubricants
According to Ambient Temperature”.
• The engine must be at halt until piping and hydraulic equipment is filled with oil after
replacement of the hydraulic oil filter.
1. Remove the cover at the top of the hydraulic tank.
2. Remove the cap (F) from oil filler, and release the internal
pressure.
3. Remove 3 bolts, then remove cover (1).
When doing this, the cover may fly out under the force of spring
(2), so hold the cover down when removing the bolts.
4. After removing spring (2) and valve (3), take out element (4).
5. Clean the removed parts in flushing oil.
6. Install the new element in the place where old element (4) was
installed.
7. Set valve (3) and spring (2) on top of the element.
8. Set cover (1) in position, push it down by hands, and install the
cover with the mounting bolts.
9. Install the oil filler cap (F) at the top of the hydraulic tank.
10. Install the cover at the top of the hydraulic tank.
11. To bleed the air, start the engine and run the engine at low idle
for 10 minutes.
12. Stop the engine.
Operate the machine after halting for more than 5 minutes to
eliminate bubbles in the oil inside the tank.
13. Check for oil leakage and wipe off any spilled oil.
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