Watson-Marlow DuCoNite 25 - Manual (Page 31)

MAINTENANCE
31
7.5 Changing lubricant
1. Place a tray (A) under the drain plug in the
cover of the pump. Remove the drain plug (B).
Catch the lubricant from the pump housing in
the tray.
2. Position the drain plug (A) and tighten it firmly.
In order to facilitate the filling with lubricant the
breather plug (B) on the front of the pump
housing can be removed.
3. The pump housing can be filled with lubricant
via the breather/vent (A) on the rear of the
pump housing. For this purpose remove the
breather cap (B) and position a funnel (C) in the
breather. Pour the lubricant in the pump
housing via the funnel.