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The bearings and/or bushings holding the screw get greased on the customer's
normal schedule for that type of bearing, maybe once a week, or once a day, or
once a month. Whatever grease the customer normally uses will be fine.
The shaft seal housing may have a grease fitting. This grease is to prevent fiber
from getting into the seal. The seal should be given a shot of grease whenever the
screw support bearings or bushings are greased.
The gearbox oil should be changed once a year. Use mineral oil for a normal
1800/1500 rpm input. Use the same grade oil, but synthetic, for input speeds of
2,400 rpm or more.
Some Nord gearboxes have an autolube canister located in the motor adaptor
portion of the gearbox. It is located under a cast iron cap. This autolube should be
actuated when the press is placed in service. Nord recommends replacing this
autolube once a year.
The air regulator used with the discharge cone air cylinder may have a lubricant jar.
If so, Vincent includes a can of light oil along with the air regulator which comes
with our screw presses. The jar should be filled when placing the press in service
and when the jar is empty, about once a year. It takes very light (sewing machine)
oil. The oil helps prevent corrosion inside the air cylinder. (Most air cylinder
manufacturers no longer recommend the use of lubricators.)
We have never seen nor heard of anyone greasing the motor bearings.
REPLACEMENT PARTS
Most replacement parts are standard OEM components which are purchased from
the original manufacturer. The specification of these items (gearbox, seals, air
cylinder, etc.) is included in the O&M Manual.
The most common wear parts in the Vincent KP Press are the screw, the screen,
the cone, and the outboard bushing at the discharge. Worn screws may be
returned for rebuilding at the Vincent factory. Be sure to specify the Serial Number
of your press when ordering replacement parts or repairs.
SAFETY
These Operating Hints have left unstated the obvious safety hazard: A screw
press, like any screw conveyor, is totally unforgiving. If clothing or a limb gets
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