EP Equipment CQD16, Service Manual

Page: 221 / 251

207
REV. 07/2016
SERVICE MANUAL - MAST
A
Before going on with the next step, please fix
the cylinder properly fi rst. Be sure to avoid the
falling of cylinder during removal, resulting in
personal injury.
CAUTION
-
- Unscrew the bolt (7), separate the cylinder (6)
from the inner mast (8);
Remove the cylinder (6) from the truck.
-
-
-
Unscrew bolt (11, Figure 60622) and remove
the middle cylinder roller guard (9);
Unscrew the nut (12), remove the middle
cylinder tube shaft (4) and middle cylinder
four rollers (3);
Unscrew the bolt (1) and remove the middle
cylinder
fi xing plate (2) and sprocket seat (5)
from the cylinder (6);
A3-4.2 Cylinder Maintenance
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.
CAUTION
-
-
-
-
-
Secure the cylinder to hose clamp and gently
clamp the cylinder bottom;
Unscrew the cylinder cap (4, Figure 90607)
with cylinder wrench;
Remove the dust ring (2), O-ring (3) from the
cylinder cap;
Remove the guide bush (5) from the cylinder
tube (6);
Pull out the piston rod (1) from the cylinder
tube (6);
-
-
-
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
Lifting Side Cylinder
-
-
-
Remove the support ring (7), seal (9) and
cover plate (8) from the piston rod;
Clean with hydraulic oil of the same speci
fi ca-
tions;
Replace the problem parts and assembly in
reverse steps.