Lukas Hydraulic Hoses - Manual (Page 8)

8
GB
Periods for tests and replacement 7.
Technical data 8.
Checks:
The hose lines should be inspected for visible damage and defects each time prior to being
placed in service. Moreover, their condition should be checked at least once a year by an
expert 1) .
1) An expert is a person who, based on technical training and experience, has enough
knowledge in the field of hydraulics and is familiar enough with the applicable general,
statutory and other binding rules regarding occupational safety that he/she is able to
assess the safe working condition of the product.
Replacement:
The hose lines absolutely must be replaced if they show any damage or if there are doubts
about their durability or functional performance! However, the hose lines should also be
replaced at regular intervals due to aging.
Maximum storage time or service life:
Storage: 4 years from the date of manufacture
Normal use: 6 years (including a maximum of 2 years in storage) from the date of
manufacture
Continuous use: 2 years from the date of manufacture
Operation in use with rescue equipment: 10 years from the date of manufacture
Examples of defects for which a replacement is absolutely necessary:
- Damage to the outer layer up to the insert (e.g. due to chafed areas, cuts, cracks, etc.).
- Embrittlement of the outer layer.
- Deformations of the natural shape of the hose lines (e.g. delaminating, blister formation,
crushed spots, kinks, etc.).
- Unsealed places.
- Damage, deformation or corrosion of the fitting or metal insert (except for light scratches
on the fitting).
- Migration of the hose out of the fitting.
- Storage times and service life exceeded.
Operating fluid: Mineral oil according to DIN EN ISO 6743-4
nominal diameter
max. operating
pressure
bending
radius
temperature resistance
[bar] [mm]
DN 4
700 25
-40°C … +71°C
(-40°F … +160°F)
1600 100
DN 5 2500 175
DN 6 ≤720 38
DN 10 ≤530 120