Pentax HP Manual Del Usuario página 61

3.
When the lubricator is well aligned (fig. 1)
loosen the set screw, take out the upper
component and capsize it.
OIL
4.
fill the chamber with oil.
5.
Capside the upper component and insert it in the
square support, so that the oil will flow into the
bearing housing.
This step may have to be repeated to get the level
required.
Usually the oil level is 3-4 mm higher than the
external ring of the bearing.
6.
If the oil is belove this level, loosen the set screw,
move the upper component up as far as needed
and tighten the screw.
No further setting operation is needed, just make
sure that there is always oil in the chamber.
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