Lubrication device and protective cover for a lubrication device

A lubrication device comprising:

• a lubricant container for containing a lubricant,
• an outlet opening at a first end of the lubricant container for releasing the lubricant,
• an adjustable release mechanism having, at a second end of the lubricant container, an insert which is rotatable relative to the lubricant container for setting a release rate of the lubricant, and
• a protective cap having a hard cover for covering the insert and the second end of the lubricant container, the hard cover having a smooth outer surface and an inner surface providing engaging means for engaging with the insert, such that the protective cap is rotatable together with the insert, the protective cap further comprises a sealing ring, attached to the hard cover and providing a waterproof enclosure of the lubricant container by the protective cap wherein an outer surface of the sealing ring and an outer surface of the lubricant container both include a visual indicator, the visual indicators being arranged such that a rotation of the protective cap relative to the lubrication container results in showing the release rate set by the release mechanism.