Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

Page: 179 / 248

13-29
MAINTENANCE AND INSPECTION OF CARRIER
Non-regular maintenance
1.
◆
Check for cooling water quan-
tity /Filling up
• Removal of the cap with the
engine overheated allows
steam and heated water inside
to blow out which may cause a
skin burn.
In order to carry out the ser-
vice for cooling system, stop
the engine and wait until water
temperature has gone down to
a degree that the radiator cap
can be opened with your hand.
• When the radiator cap is
removed, rotate it counter-
clockwise gradually to release
the inside pressure.
When replacing the cooling water, refer to
the “list of recommended lubricant”.
Be sure to wash inside of cooling system
whenever the cooling water is replaced.
If the scale and the rust have been formed
in the cooling system, a cooling efficiency
decreases which may cause the engine to be
overheated.
Radiator Cap
Cover
WARNING
2
Remove the cover fitted on upper side
of the engine hood and rotate the radia-
tor cap gradually while releasing the inside
pressure to remove the cap.
1
Park the crane on a flat ground and stop
the engine for cooling down.