WAGNER QuickTouch power roller Owner's Manual page 9

These steps should be followed for use with ONLY oil-based materials.
1. Place roller arm and suction tube in a bucket of mineral
spirits.
2. Flip selector switch to CLEAN (motor will run continuously
without the aid of the handle button). Recirculate one
quart of mineral spirits through the unit for approximately
10 minutes (cleaning time may vary depending upon type
of paint).
3. While unit is self-cleaning, thoroughly clean the roller
cover, core and cap with mineral spirits.
4. Repeat steps 1-5 in Optional Cleanup - Latex Paints
using a half gallon of warm, soapy water to complete the
cleaning process.
Steps !_5 in __Optional Cleanup - Latex Materials must
be repeated using warm, soapy water in order to purge
any remaining mineral spirits from the paint hose.
Unpurged mineral spirits can damage the paint hose
over time.