Flowserve HED Worthington - Manual (Page 26)

HED/HED-DS USER INSTRUCTIONS ENGLISH 85392695 – 06/14
Page 26 of 64
required to fill the bearing housing up to the cross
arm level and no air bubbles appear in the bottle.
d) Remove bottle and ascertain that the oil level is 6
mm (0.24 in.) from the centre line of oiler
connection. Adjust upper cross arm as required
and lock in place with lower arm.
Figure 5.6
Never fill reservoir through the air vent
opening .
The constant level oil control maintains a constant
level of oil in the reservoir. The control feeds only
enough oil to maintain the required level. It operates
on the liquid seal principle, feeding only when the
level in the reservoir is low enough to break the liquid
seal at the end of the shank, thus permitting air to
enter the bottle. It will cease to feed when there is
sufficient oil in the reservoir to cover the hole in the
end of the shank.
5.1.3 Inspection
For ball ball and sleeve ball lubrication inspect the oil
level in the bearing housing at least once a day.
Inspect the condition of the oil at least weekly. Oil is
always subject to gradual deterioration from use and
contamination from dirt and moisture which is the
cause of premature bearing wear.
For oil lubricated pumps, fill the
bearing housing with correct grade of oil to the
correct level, i.e. constant level oiler bottle (standard
configuration) and sight glass (when fitted on
request).
Figure 5.7
Sight glass
5.1.4 Replenishment
Replenish the oil in the oiler as required for ball ball
and sleeve ball. More frequent replenishment at high
temperatures may be required.
5.1.5 Oil change
Frequency of oil change is dependent on pump
service and environmental conditions. As a general
guide, oil in the bearing housing should be changed
every 4000 operating hours, after the initial change.
5.1.6 Lubrication Specification
The ideal bearing lubricant is a straight well refined,
neutral mineral, preferably of the turbine type. It
should not contain free acid, chlorine sulphur or more
than a trace of free alkali. It is suggested that the oil
conform to the following physical characteristics.
5.1.7 Oil Mist Lubrication
5.1.7.1 Pure Oil Mist Lubrication
If the pump bearing housing is arranged for pure oil
mist lubrication the following connections are
provided in the bearing housing:
Ball ball lubrication:
-
¼” NPT inlet connection
- ¼” NPT vent connection
- ½” NPT drain connection