Komatsu PC80MR-5E0, Operation & Maintenance Manual

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7.
Turn the transparent cup (6) counterclockwise to remove it.
Remove the transparent cup (6) without spilling the fuel.
If the fuel spills, wipe them off with cloth thoroughly.
Be careful not to lose the red ring in transparent cup (6).
8.
Remove the element (7) from top of the fuel prefilter.
9.
Clean the inside of transparent cup (6) and element (7)
with diesel fuel or flushing oil.
10. After cleaning, install the element (7) and O-ring (8) to
transparent cup (6).
11. Insert the red ring into transparent cup (6) and fill it with
fuel.
12. Check the condition of O-ring (8) installed to transparent
cup (6).
Replace the O-ring with a new one if needed.
13. Install the transparent cup (6) to top of fuel prefilter, and
tighten it clockwise.
Tightening torque:
30 Nm {3.05 kgm}
14. Turn the handle (4) to OPEN position (O).
15. After the cleaning of element is completed, bleed air from
the fuel circuit.
For bleeding air, see OPERATION “PROCEDURES FOR
BLEEDING AIR FROM FUEL CIRCUIT”.
16. Remove cover support lever (2) and fix it to the lever lock
securely.
17. Close engine hood (1).
METHOD FOR CHECKING LOOSENESS AND TIGHTENING STEEL TRACK SHOE
BOLTS
NOTICE
If the machine is used with steel shoe bolts loose, they will break. If any looseness of the shoe bolt is
found, retighten it.
RKA68194
RKA68760
RKA68195
RKA68196
MAINTENANCE MAINTENANCE PROCEDURE
4-25
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