EP Equipment EPT20-15ET, Service Manual

Page: 78 / 128

67
REV. 09/2016
HYDRAULIC SYSTEM
7
If the piston rode or cylinder tube is damaged,
please replace the entire cylinder.
If the seals are aged or damaged, please
replace the complete set of seals.
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Secure the cylinder to hose clamp and gently
clamp the cylinder bottom;
Unscrew the cylinder cap (4, Figure 10409)
with cylinder wrench;
Remove the dust ring (2), O-ring (3) from the
cylinder cap;
Remove the guide bush (8) from the cylinder
tube (5);
Pull out the piston rod (1) from the cylinder
tube;
Remove the support ring (6) and seal (7)
from the piston rod;
Clean with hydraulic oil of the same speci
fi ca-
tions;
Replace the problem parts and assembly in
reverse steps.
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Use suitable hose clamps to avoid cylinder
deformation caused by severely tight hose
clamp.
Carry out the maintenance work in a clean
environment to prevent impurities from
entering into cylinder, causing cylinder
damage.
During the installation, hydraulic oil of
the same specifications must be used for
cleaning or lubrication.
CAUTION
CAUTION