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4. Maintenance
4.5 Preventing Corrosion of Extended Hy-
draulic Cylinders.
Store the machine with the cylinders in the retracted
position. If the machine is stored with the cylinders in
the extended position, periodically cycle the cylinder. If a
cylinder must be stored in the extended position without
being cycled the following corrosion prevention must be
done.
Procedure:
1. Use a dry cloth or cloth with solvent to clean any dirt
from the cylinder shaft.
2. Prepare a mixture of 60 percent oil based rust inhibi-
tor and 40 percent kerosene.
3. Use a cloth to apply a thin layer of this mixture to the
surface of the chrome plated shaft. Number one fuel
oil can be replaced with Kerosene. A good grade
purpose made product can be used for this proce-
dure.
4. Follow manufacturer instructions fro applying pur-
pose made products.
5. Inspect and apply the mixture again at three to six
month intervals.
Precision Shank Drill
Operators Manual - 74356-02
36
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