Maintenance Specifications - jcb JS300 Service Manual

In order to ensure long life of the hydraulic ram, carry out
inspection and maintenance regularly. If an abnormal point
Inspection,
Maintenance Point
Is the ram kept clean (especially the rod sliding
part)?
Is there oil leakage from piping installation and fixing
Appearance
points?
Is there any peeling paint, separation or rust?
Are the movements smooth and are there any
abnormal sounds?
Is the response good?
Is there oil leakage from the sliding parts?
Operation Is there internal leakage?
Is the working pressure normal?
Is the set pressure for the overload relief valve
normal?
Is the hydraulic oil dirty or deteriorated?
Is the hydraulic oil replaced periodically?
Hydraulic Oil
Are the filters inspected periodically?
Is the pin greasing sufficient?
Is the pin greasing sufficient?
Is there backlash or wear in the pins?
Installation with
Is the pin seal normal?
Main Body
Are the installation screws loose or missing?
Tightening of the installation screws?
Are the sliding parts worn?
Are there scratches or dents on the sliding parts?
Is there coating separation on the sliding parts?
Piston Rod
Are the sliding parts bent?
Are there cracks in the welding or other damage?
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Maintenance Specifications

Inspection, Maintenance Contents
9813/5100-1
is found, repair as soon as possible referring to the
troubleshooting chart.
Table 2.
Daily
O
O
O
O
O
O
O
O
O
O
O
Section E - Hydraulics
Hydraulic Rams
Maintenance Specifications
Monthly Annually
O
O
O
O
O
O
O
O
O
O
O When the rod
sliding part is
exposed for a
long period of
time apply
O
anti-rust oil to
the rod.
Note
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