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4.5 Operational limits of the intermittent empty signal
For the correct functioning of the intermittent empty signal, the following lubricant consistencies must be maintained. The
correct functioning of the intermittent empty signal is not guaranteed above the specified temperature range. The lower
temperature ranges are contingent on the suitability of the respective lubricant for these temperatures. Excessively high
consistency of the lubricant could otherwise lead to malfunctions such as interruption of the lubricant feeding or possibly to
damage to the pump (e.g., bending of the stirring paddle).
The intermittent empty signal is not suitable for lubricating greases with an NLGI class ≤ 0.
Fig.
Operational limits of the intermittent empty signal