Service and cleaning
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Testing and inspection work
8.4.1
Hose lines
All hose lines, especially fuel lines, are to be checked at least once a year
for obvious defects in the course of a visual check.
Note the following criteria when checking hose lines:
► Check whether is there damage to the hose lines external layer like
chafing, cuts, or cracks.
► Check brittleness of the outer layer or cracks in the hose material.
► Check
hose
lines
for
deformation,
e.g.
layers separating, bubbles, signs of crushing, kinks.
► Check hose lines in depressurised and pressurised condition.
► Check the hose lines for leaks.
► Should there be a defect, or the suspicion of a defect, the affected line
is to be replaced immediately.
