How to Oil Rotary Valves
It takes three different oils to properly oil the rotary valve
mechanism. Please note that the photos below show needle
applicators but we now offer these oils only with a thin plastic
Start with the
Ultra-Pure Complete Rotary
Valve Lube Kit.
Use Ultra-Pure Light Bearing Oil on the top and bottom bearings
(also called spindles).
Apply a few drops of Ultra-Pure Linkage, Lever & Key Oil to
any threaded parts.
The Light Bearing Oil goes in the small gap under the part that
is rotating in the valve mechanism.
Oil the levers or keys and springs with the Linkage, Lever &
Oil all mechanical linkages, ball joints, hinges, etc., with the
Linkage, Lever & Key Oil.
Use Ultra-Pure Professional Valve Oil to oil the rotors down the
slide tubes for each valve. Press the valve levers several times to
work in the fresh oil. The photo shows our older bottle.
Grease the tuning slides with Ultra-Pure Regular Tuning Slide
Even if your horn feels fine, you should oil every week to
prevent wear and corrosion.