6 Maintenance
Maintenance
Checking the hydraulic system for
leaks
WARNING
Hydraulic oil under pressure can
escape from leaking lines and cause
injuries to the skin.
Wear suitable protective gloves,
industrial goggles etc.
WARNING
Hydraulic hoses become brittle!
Hydraulic hoses should not be used longer than 6
years.
The specifications of BGR 237 should be complied
with. Deviating national laws are to be taken into
account.
– Check pipe and hose connection screw
joints for leaks (traces of oil).
Hose lines must be changed if:
• The outer layer has been breached or
becomes brittle with tears
• They are leaking
• There are unnatural deformations (e.g.
bubble formation or buckling)
• A fitting is detached from the hose
• A fitting is badly damaged or corroded
Pipes must be changed if:
• There is abrasion with the loss of material
• There are unnatural deformations and
detectable bending stress
• They are leaking
33
0 55048011501 EN - 12/2015
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