Komatsu PC800-8 Operation & Maintenance Manual page 284

Hydraulic excavator
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MAINTENANCE PROCEDURE
Machine front drain
Machine rear drain
3. When replacing oil, also replace breather (2) together.
4. Remove dipstick (G), then add the specified amount of oil
through filler port (F) of the dipstick guide.
5. Wipe off the oil on the dipstick with a cloth.
6. Fully insert dipstick (G) into filler pipe (F), then remove it.
7. The oil level should be between H and L marks on the dip-
stick (G). If the oil does not reach the L mark, add oil
through oil filler port (F).
8. If the oil is above the H mark, pull drain hose (1) out, then
loosen plug (P). After draining the excess oil, check the oil
level again. If the oil level is correct, wind in drain hose (1)
and store it inside the hole.
9. Immediately after changing the oil, oil level is variable.
So operate for one hour, then check the oil level again.
4-64
MAINTENANCE

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