GENERAL
I-10TB53FR
CAUTIONS DURING REMOVAL AND
INSTALLATION OF THE HYDRAULIC UNITS
1. Make sure that the hydraulic oil’s temperature
has dropped.
2. To prevent a loss of flow of the hydraulic oil, the
residual pressure in the piping and the internal
pressure in the hydraulic oil tank should be bled
out.
3. Be sure to install caps or plugs on all openings in
the hydraulic unit to prevent dirt from getting into
the unit through the openings.
4. It is easy to mistake hydraulic oil adhering to the
hydraulic unit for an oil leak, so wipe the unit off
thoroughly.
5. Be sure that no damage is done to the plating on
the rod in the hydraulic cylinder.
6. As a rule, removal and installation of the hydrau-
lic cylinder should be done with the rod fully
retracted.
7. Be sure to bleed the air after replacing the hydrau-
lic oil or removing any of the hydraulic devices.
“III. Machine Configuration, Hydraulic Sys-
tem”
8. After installation of the hydraulic unit, be sure to
pressurize the hydraulic oil tank. If this operation
is forgotten, it could cause cavitation of the hy-
draulic pump. Also, it could have a drastic effect
on the life of the hydraulic pump.
“III. Machine Configuration, Hydraulic Sys-
tem”
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