The bearings are factory lubricated with a lithium
or lithium complex base grease which is suitable
for most applications. Select a grease that is
compatible with a lithium or lithium complex
grease.
The bearings should contain as much grease as
speed will permit. A full bearing with consequent
slight leakage through the seal is the best
protection against contaminant entry.
Extreme situations may require a change in
lubricating periods as dictated by experience.
Generally, a lower quantity of grease at frequent
intervals is more effective than a greater quantity
at extended lubrication intervals.
Typical lubrication quantity is 1 pump from a
standard grease gun every 250 hours of use.
In the higher speed ranges too much grease will
cause overheating. The amount of grease that
the bearing will take for a particular high speed
application can be determined only by experience.
If excess grease in the bearing caused overheating,
it will be necessary to remove grease fitting to
permit excess grease to escape.
6�7 Lubricate Rotor Bearings
26
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