Dodge SLEEVOIL RXT Manual de instrucciones - Página 6
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8.1 CIRCULATING OIL
When pillow block is arranged for circulating oil, the pressurized
oil is delivered to the 2 openings on the downswing side of the
pillow block when the radial load is directed into the base and the
upswing side when the radial load is directed into the cap. Inlet
lines should have flow control valves and an oil flow indicator.
Each inlet should receive an equal amount of oil.
Drain piping should be vented and of adequate size to drain oil
from the bearing at the specified flow rate. The housing drain
must be directed straight down into a return drain sloping away
at a 15º or greater angle. Drain lines connect to the pillow block
in the location used for the oil level gauge. Use both drains for
more effective draining. The oiling system must have a means of
filtering the oil to remove any contaminating particles. (DODGE
recommends a 25 micron filter or better.) Use of both drain lines
is recommended for non-expansion bearing. The circulating oil
unit should be ran a minimum of 2 hours to clean the lines. Filters
are to be changed and the unit restarted for another 2 hours.
Check filter again and if clean proceed with fan start-up. Make
sure lube unit is running prior to starting the fan.
NOTE: All plumbing should be cleaned and flushed before
being connected to the pillow block. These systems should
be tested before the bearing is put into operation.
NOTE: Bearings should NOT be stored outdoors before
installation. For extended or outdoor storage, contact
equipment manufacturer for special precautions against
corrosion.
NOTE: Bearings (and shafts) allowed to set idle for extended
periods after being run MUST be protected against corrosion.
If the unit cannot be run for several minutes at least once a
week, consult equipment manufacturer for special lubrication
instructions.
8.2 Temperature
The bearing temperature will increase after start-up until its
normal operating level is reached. Some fluctuation due to
ambient temperature change is normal, but a drastic change
MUST be investigated. Normal running temperature should not
exceed 180ºF. (Check with equipment manufacturer to see if
another operating temperature has been specified.) Low ambient
and operating temperatures can be as harmful to the bearing
as high temperatures. A heater and thermoswitch is required for
such applications.
8.3 Minimum Temperature at Start-Up:
ISO 32 oil, 60ºF
ISO 68 oil, 85ºF
ISO 100 oil, 100ºF
8.4 Vibration:
Any significant vibration or imbalance MUST be corrected. Check
with equipment manufacturer for acceptable conditions.
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