Komatsu PC78US-6 Operation & Maintenance Manual page 86

DETAILED CONTROLS AND GAUGES
MUD COVER
Never attempt to climb on the cover. There is the danger that you may slip off.
When carrying out inspection and maintenance inside the cover, always use the cover support lever to hold the cover open.
NOTICE
Always keep the hood locked except when opening it.
Check the direction of the key slot in the opening knob to check that it is
locked.
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OPERATION