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MAINTENANCE
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT
•
Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
•
When removing the oil filler cap, the oil may spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
1.
Set the work equipment in the posture for hydraulic oil lev-
el check.
2.
Remove the nut (2) of the breather assembly (1) (2 pieces)
on top of the hydraulic tank, then remove the cover (3).
3.
Replace the filter element (4) with a new one.
4.
Install the cover (3) and nut (2).
Tightening torque of nut (2): 10 to 14 Nm {1.0 to 1.4 kgm}
NOTICE
If the breather assembly (1) is removed for replacement, apply a tool to the bolt (5) and tighten it.
Tightening torque:68 to 78 Nm {6.93 to 7.95 kgm}
METHOD FOR REPLACING SWING MOTOR COOLING FILTER ELEMENT
Do not replace the filter immediately after the engine is stopped. The parts are still very hot. Wait for all
of parts to cool down before starting the work.
NOTICE
Komatsu genuine fuel filter cartridges use a special filter that has highly efficient filtering ability. When
replacing the parts, Komatsu recommends using Komatsu genuine parts.
Items to be prepared
Container to catch the drained oil
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WARNING
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WARNING
MAINTENANCE PROCEDURE
4-63
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