Furukawa Unic URW370C4U Series, Operation & Maintenance Manual

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14-8
1.
◆
Replacement of gaskets and
seals for each cylinder
Although timing of replacement of a part var-
ies according to how frequently the crane has
been operated, replace gaskets and seals used
in each cylinder after every 3 years of opera-
tion (period during which crane has not been
operated is included) in order to operate the
crane safely.
Ask a local UNIC authorized service shop for
replacement of gaskets and/or seals.
Replacement of
expendable parts
2.
◆
Replacement of sliding plate of
boom
Replace it every 3 years.
Sliding plate
3.
◆
Replacement of brake shoe of
hoisting winch
Replace it every 3 years.
Brake shoe
4.
◆
Cleaning and replacement of
filter in the control valve
If the filter built in the control valve is
clogged up, radio remote control operation
and acceleration interlocking operation can-
not be carried out.
Clean it by blowing air once after one year
of use and replace it if it has been clogged up
remarkably or it has been damaged.
Filter
MAINTENANCE AND INSPECTION OF CRANE