Jet GHD-20 Operator's Manual page 15

6. Place a container on the table to catch the
draining lubricant.
7. Remove the filler plug (A, Fig. 18).
8. Remove the drain plug.
9. Replace the drain plug after the lubricant has
finished draining.
10. Pour one (1) gallon of new lubricant (Mobil
DTE@Oil Heavy Medium) through the filler hole.
Caution: Use of any other type of lubricant
other than that specified may cause damage
to the drill press.
11. Replace the filler plug.
Fig. 18
13