OPERATOR'S MANUAL MAINTENANCE

Section E - Hydraulics
Hydraulic Rams
Maintenance Specifications
E-213 E-213
9803/9880-3
Maintenance Specifications
In order to ensure long life of the hydraulic ram, carry out
inspection and maintenance regularly. If an abnormal point
is found, repair as soon as possible referring to the
troubleshooting chart.
Table 5.
Inspection,
Maintenance Point
Inspection, Maintenance Contents Daily Monthly Annually Note
Appearance
Is the ram kept clean (especially the rod sliding
part)?
O
Is there oil leakage from piping installation and fixing
points?
O
Is there any peeling paint, separation or rust? O
Operation
Are the movements smooth and are there any
abnormal sounds?
O
Is the response good? O
Is there oil leakage from the sliding parts? O
Is there internal leakage? O
Is the working pressure normal? O
Is the set pressure for the overload relief valve
normal?
O
Hydraulic Oil
Is the hydraulic oil dirty or deteriorated? O
Is the hydraulic oil replaced periodically? O
Are the filters inspected periodically? O
Installation with
Main Body
Is the pin greasing sufficient? O
Is the pin greasing sufficient? O
Is there backlash or wear in the pins? O
Is the pin seal normal? O
Are the installation screws loose or missing? O
Tightening of the installation screws? O
Piston Rod
Are the sliding parts worn? O When the rod
sliding part is
exposed for a
long period of
time apply
anti-rust oil to
the rod.
Are there scratches or dents on the sliding parts? O
Is there coating separation on the sliding parts? O
Are the sliding parts bent? O
Are there cracks in the welding or other damage? O