Wiesenfield WIE-PM-1500 Bedienungsanleitung Seite 42

NOTE !: The screws should be equally tightened. Otherwise, one of the rollers
will not rotate.
LUBRICATION
NOTE: Bearings should be lubricated with bearing grease every 8 hours of
operation
-Lubricate the bearing on the main shaft with a grease gun as shown in the
figure below.