4-48 Inspection, Maintenance and Adjustment
022-00028AE Operation and Maintenance Manual
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. Daewoo
recommends the following;
•
Hoses at the customer premises can not 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 4-45, 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.
