Ultra-Pure Light bearing oil

Ultra-Pure
£ £6.50
Ref: 760607

Ultra-Pure Light bearing oil is used to oil the rotating bearings on the top and bottom of rotary valves.

  • Needle applicator for precision use
  • Contents: 20 ml

Modern French horn rotary valves require three different grades of oil. From thickest to thinnest they are: bearing oil, linkage oil and rotor oil.

Apply the first two each week, if you play regularly. When a valve become sluggish, drip a tiny quantity of rotor oil directly into the rotor casing, having first removed the valve slide to allow access.

For reference, a maintenance schedule recommended by the Rosehill workshop is included alongside the product image(s).

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