Lubrication of the ball type bearings in Dean pumps is by oil
contained in the sump of the bearing housing (26). The oil must
be a good grade of rust and oxidation inhibited, non-foaming,
industrial oil with a viscosity of approximately 500 SSU at
100°F. This will be an ISO 100 oil.
Failure to level the pump assembly when the entire unit is
installed may adversely affect the oil level and reduce bearing
life. Proper care should be taken to avoid this condition.
The R5000 series pumps are supplied with an “Automatic Oiler”
that has a built-in Bull’s Eye Level Indicator. The Automatic Oiler was
shipped in the cloth accessories bag attached to the pump to avoid
damage. Screw the glass reservoir from the body of the oiler. Install
the oiler body into either of the upper 1” NPT tapped holes (connec-
tion #7 on page 7) on either side of the bearing housing (26). The
bearing housing is supplied with duplicate connections on both sides
so that you can place the oiler on the side that is most easily viewed.
The pump was shipped with a plastic shipping protector in one of
the connections and the other is plugged.
Fill the sump, of the bearing housing (26), through one of the (two)
NPT tapped openings (connections #10 on page 7) on the side,
until the level reaches the center of the Bull’s Eye level indicator. The
Automatic Oiler will maintain this level as long as there is any oil in
the glass reservoir of the automatic oiler.
Invert the glass reservoir, so that the bias cut tube is pointing
upward, and fill it with oil through this tube. Screw the glass
reservoir back into the body of the Automatic Oiler.
The oil should be drained and replaced at regular intervals, the
intervals depending on the atmospheric conditions (dust, soot,
corrosive vapors, humidity, temperature variations, etc.) prevailing at
the pump installation site. The bearing housing should be flushed
with a good solvent before the oil is replaced.
Pumps are shipped from the factory without oil in the bearing housing.
PUMP LUBRICATION
8
T
YPICAL
P
UMP
P
IPING
