Komatsu PC300LC-8 Operation & Maintenance Manual page 325

MAINTENANCE PROCEDURE MAINTENANCE PROCEDURE
7. Remove undercover (9) and blow the mud, dirt, and leaves that
have been cleaned off to the outside.
8. Push in cleaned net (2) back to the original place and secure
it with screw (1).
9. Secure bracket (4) with bolt (3).
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MAINTENANCE MAINTENANCE