Hitachi ZW180 Operator's Manual page 194

Releasing Parking Brake
WARNING: After the parking brake is released, the
machine can not be stopped using the brake system,
possibly creating a dangerous situation. Before re-
leasing the parking brake or connecting the brake
system, be sure to lock tires with wheel stoppers.
CAUTION: As soon as the machine towing is com-
plete, apply the parking brake. Use towing only when
moving the machine to a place where the machine is
inspected and/or serviced. Avoid towing to move the
machine over a long distance.
The parking brake is manually released when the park-
ing brake becomes impossible to be released even if the
parking brake switch is operated due to occurrence of any
abnormality or trouble in the brake system such as a pump
failure.
TRANSPORTING
6-6