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RUSKA 2470
Users Manual
5-6
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Figure 5-6. Low Range Piston and Cylinder Showing O-Ring Groove
5. When screwing the Retaining Cap (2460-4-7) onto the cylinder, a slight upward force
may be necessary on the piston to properly seat the Piston Retainer (2460-5-5) into
the inner recess of the Retaining Cap. See Figure 5-7.
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Figure 5-7. Positioning the Upper Thrust Washer/Piston Retainer in the Cylinder Retaining Cap
Recess
6. Tighten this cap securely by hand while holding the column with the opposite hand.
7. Before proceeding, check the level vial to verify that the base is level, adjust the level
of the base if necessary.