4-50
［
4.15.2
CHECKING OIL LEVEL OF TRAVEL REDUCTION UNIT
ABOUT CHECKING OIL LEVEL
• Pressure may be generated inside the traveling devices. Slowly loosen the plug to release the internal pressure
and then remove the plug. When the plug is loosened abruptly, the plug and oil may pop out and it is dangerous.
Never position your body or face in front of the plug.
• Immediately after operation, the oil is hot and it may cause burns. Start working after the temperature goes
down.
1.
Move the machine to a level and firm place.
2
1
3
LEVEL
DRAIN
FILL
2.
Stop the machine at a position in which drain plug
(1) is positioned at the lower side and lower the
bucket to the ground.
3.
Stop the engine and move the pilot control shut-off
lever to the "LOCKED" position.
4.
Slowly loosen filler plug (3) and release the internal
pressure.
5.
Remove level plug (2) and check the level and
contamination of the gear oil.
If the oil level is up to the neck of the level plug, it is
proper.
6.
If the gear oil level is low, remove level plug (2) and fill plug (3) and refill the specified gear oil.
For specified gear oil, see "LUBRICANT, FUEL & COOLANT SPECIFICATIONS" in Chapter 4.
7.
Clean level plug (2) and fill plug (3) with light oil and install them.
8.
Check the other travel reduction unit in the same procedure.
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