EP Equipment CPD30L1-B, Service Manual

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203
REV. 05/2020
SERVICE MANUAL - MAST
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Secure the cylinder to hose clamp and gently
clamp the cylinder bottom;
Remove the connector (18,Fig3131-60016SM)
and O-ring (19) from the piston rod (9);
Unscrew the cylinder cap (4) with cylinder
wrench;
Remove the dust ring (1), cover plate (2),
seal (3), cover plate (7) and O-rings (8) from
the cylinder cap;
Remove the bearing (5) and guide bush (6)
from the cylinder tube (17);
Pull out the piston rod (9) from the cylinder
tube (17) and remove the bushing (11);
Remove the support ring (12) from the piston
and unscrew the fixing screw on the piston,
then separate the piston rod from the piston
(13);
Remove the support ring (10) from the piston
rod, then remove the retaining ring (14),
spring (16) and buffer plunger (15) from the
piston;
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Clean with hydraulic oil of the same specifica-
tions;
Replace the problem parts and assembly in
reverse steps.
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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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
Right Lifting Side Cylinder