Hitachi ZW180 Operator's Manual page 317

MAINTENANCE UNDER SPECIAL ENVIRONMENTAL CONDITIONS
7. After warming up the engine, warm up the front attach-
ment system. Slowly operate the control levers to move
the cylinders full stroke several times.
8. Road surfaces covered with snow, especially when snow
has been compacted, will become frozen. Use tire chains
on four wheels.
9. Take anti-freeze measures after completing operation.
• Cover the keyhole by sticking a tape on.
• Rubber parts such as wiper may freeze. Keep other parts
away from the rubber parts.
• Remove packed snow from around the undercarriage and
inside the machine with a bar or brush.
• In case it is impossible to store the machine indoor, park
the machine on a level dry surface and cover overall the
machine with a large vinyl sheet.
9-3