Komatsu PC45MR-30403, Operation And Maintenance Manual

Page: 389 / 475

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 spurt out. Turn it slowly to release the internal pres-
sure, then remove it carefully.
1.
Open the dirt cover (1).
Open the dirt cover (1) fully and it will be secured by the
cover support lever (2).
2.
Loosen the bolt (3) of the hydraulic tank, move the plate
(4) on the oil filler port (F), and turn the cap of the oil filler
port (F) slowly to remove it.
Release the internal pressure.
3.
Remove the nut (6) of breather (5), and then remove the
cover (7).
Use a tool when nut (6) is too tight to remove.
4.
Replace the element (8) with a new element.
5.
Install the cover (7) and nut (6).
In order not to damage the threaded portion of nut, tighten
the nut (6) by hand until it is seated, then retighten it 15 to
30 ° by using a tool.
6.
Start the engine.
7.
Set the lock lever to FREE position (F).
Be sure to operate the lock lever by the operating portion
on the top.
MAINTENANCE PROCEDURE MAINTENANCE
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