OP000756
4-67
Inspection, Maintenance and Adjustment
12,000 HOUR / SIX YEAR
SERVICE
Hose In-service Lifetime Limit (European
Standard ISO 8331 and EN982 CEN)
European regulations state that the in-service life of any
hydraulic hose may not exceed six years.
DOOSAN
recommends the following:
•
Hoses at the customer premises cannot be stored
more than 2 years before being discarded or installed
on a machine.
•
In-service lifetime of hoses fitted on a machine can
never exceed 6 years, but replace hoses described in
“Replace Pipes and Hoses” on page 4-62, every
year. Always replace hoses having exceeded the
allowed in-service lifetime irrespective of the external
appearance/wear.
•
Always store hoses in a dark place at a maximum of
65% relative humidity, between 0°C (32°F) and 35°C
(95°F) but as close as possible to 15°C (59°F) and
away from copper, manganese or tube generating
Ozone.
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