Hearing protection is required:
During crane operation.
When operating the pile driver, grapple hook, concrete bucket, or clamshell.
During traveling operations with cab door or window open.
When traveling on unpaved country road.
When operating air conditioner with cab window slightly open for fresh air.
When using fire extinguisher, conduct all extinguishing operations from outside the
cab and ventilate the cab thoroughly prior to reentry. Fire extinguishers are located
in both the carrier and superstructure cabs.
STEERING WHEEL RESTRAINING DEVICES
To avoid the possibility of bodily injury and/or
catastrophic failure, remove restraining devices from
the carrier cab steering wheel before operating from
the superstructure cab.