Komatsu GD555-5 Operation & Maintenance Manual page 146

OPERATION
OPERATION
CHECK DEFROSTER FUNCTION
Operate the air conditioner and confirm that the air blows out from the blowout hole properly onto the front glass.
If there is any abnormality, ask your Komatsu distributor to carry out inspections and repairs.
CHECK LOCKS
Check that all places can be locked properly.
(For details of the locations that can be locked, see "LOCKING (PAGE 3-167)".)
If any abnormality is found, please ask your Komatsu distributor to carry out inspection and repair.
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