Komatsu PC300LC-8 Operation & Maintenance Manual page 172

OPERATION
Check Oil Level in Engine Oil Pan, Add Oil
Parts and oil are at high temperature immediately after the engine is stopped and may cause serious burns. Wait for the oil
temperature to go down before performing this operation.
1. Open the engine hood.
2. Remove dipstick (G), and wipe the oil off with a cloth.
3. Fully insert dipstick (G) into filler pipe, then remove it.
4. The oil level should be between the (H) and (L) marks on
dipstick (G).
If the oil level is below the (L) mark, add oil through oil filler (F).
5. If the oil is above the (H) mark on the gauge, remove cover (1),
drain the excess oil from drain valve (P) at the bottom of the
engine oil pan, then check the oil level again.
6. If oil level is correct, securely tighten the oil filler cap and close
the engine hood.
REMARK
When checking the oil level after the engine has been operated,
wait for at least 15 minutes after stopping the engine before
checking.
If the machine is at an angle, make it horizontal before checking.
MACHINE OPERATIONS AND CONTROLS
WARNING
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