Komatsu PC80MR-5E0, Operation & Maintenance Manual

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METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT
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WARNING
• 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 spout out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
1.
Open dirt cover (1).
Open dirt cover (1) fully and it will be secured by cover
support lever (2).
2.
Remove the cap of oil filler port (F) gradually to release the
internal pressure.
Release the internal pressure.
3.
Remove nut (6) of breather (5), and then remove cover (7).
Use a tool when nut (6) is so tight to remove.
4.
Replace element (8) with a new element.
5.
Install cover (7) and nut (6).
In order not to damage the threaded portion of nut, tighten
nut (6) by hand until it is seated, then tighten it 15 to 30 °
by using a tool.
6.
Start the engine.
7.
Set the lock lever to FREE position (F).
RKA68841
RKA68980
RKA63210
MAINTENANCE PROCEDURE MAINTENANCE
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