Translation of Original Operating Instructions
Airport Sweeper / Airport Stand Cleaner
2017-02-02 163
22.8 Changing hydraulic hoses
All hydraulic lines that are to be opened must be
depressurised before repair work is started.
ENVIRONMENT
Never allow oil to get onto the ground. Properly
catch any oil that runs out and dispose of it
properly. Note environmental regulations
concerning oils.
TIP
The date of manufacture is marked on the
hydraulic hoses.
1 Manufacturer’s
code
3 Year of manufacture
(e.g., 1999)
2 Month
of
manufacture
(e.g., October)
4 Maximum permitted operating pressure
(e.g., 345 bar)
The hose lines are to be checked at least once
a year by an expert. The hoses are to be replaced
immediately if the following criteria have been
established:
In general, hydraulic hoses should be replaced
every 6 years.
Damage to the outer layer through to the insert
(such as chafing points, cuts, cracks etc.).
Brittleness (formation of cracks) on the outer
layer.
Deformations when not under pressure or
when under pressure or when bent that do not
correspond to the natural form of the hose line
(such as separation of layers, formation of
bubbles, areas that have been squashed, kinks,
etc.)
Damage, deformation, corrosion of the hose
fittings that impair the seal
22.9 Vehicle
hydraulics
Changing the hydraulic oil and
filter
WARNING
Burns due to hot oil over 50°C
►
Wear protective clothing and gloves
►
Let the oil cool if necessary
