Feed Unit Seals Lubrication
This procedure outlines the routine lubrication of feed unit seals to protect them from wear and maintain effective sealing during operation.
Cidrines
10/26/2026
Feed Unit Seals Lubrication
The aim is to maintain seal condition and performance by applying the specified lubricant according to equipment requirements. Proper lubrication helps reduce friction and wear, prevent premature seal failure, and minimize leakage, supporting reliable feed unit operation.
The feed unit seals must be lubricated daily every time they are cleaned. Use only high-performance grease which is safe for food use. • Carefully press the sealing ring into the appropriate groove in the hop per flange. Fit the sealing ring without greasing it. Section 7.2.6 • Lubricate the sealing ring (1) and the sliding ring (2) in the hopper flange by hand before the feed screw is fitted.
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• Guide the feed screw (1) into the hopper in such a way that the three sliding sleeves (2) are located behind the shoulder (3) of the hopper flange. • Push the sliding sleeves outwards so that they engage behind the shoulder, holding the feed screw steady with the other hand. • Carefully press the sealing ring into the appropriate groove in the hop per insert. Fit the sealing ring without greasing it. Section 7.2.6 • Lubricate the sealing ring (4) in the hopper insert by hand.
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Turn the feed screw so that the sliding sleeves can engage in the recesses of the catch ring (5). • Close the hopper and lock the two locking levers (6) on the hopper housing.
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Source: Cidrines (Community Member)