Cyclo® BBB4
Operation & Maintenance Manual 29
Cyclo® BBB4
Lubrication, continued
Lubrication Introduction, Lubrication Nomenclature
Reduction Ratio (Nominal)
Unit Mounting Configuration
LHYJ-4A105 Y-Y1- 21
Cyclo® Size
Separate
Lubrication
Bevel Gear Portion
Cyclo® Portion
Lubrication Introduction
Sumitomo Cyclo® BBB4s units are shipped from the factory without lubricating oil, unless the customer specified otherwise when
the unit was ordered.
The unit must contain the correct type and amount of lubrication before operating.
For all Y4 motor down mounting configuration models, the Cyclo® portion is filled at the factory with grease. For these units, the
Cyclo® portion does not need to be filled with lubricant before start-up. The Bevel Gear portion of models built for the Y4 mounting
configuration requires filling with gear oil before start-up. Refer to the Lubrication Method section for details.
For the Cyclo® BBB4 built for the Y4 mounting configuration, the Cyclo® and the bevel gear portions must be filled with lubricant
separately and maintained separately. Lubricant does not flow from one section to the other.
Lubrication Nomenclature
Refer to the Model portion of the unit’s nameplate to determine the unit size, reduction ratio, and mounting configuration:
Cyclo® BBB4 in Y4 Assembly
Bevel Gear Size
Series
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