Graco EM 5000 Instructions-Parts List Manual page 11

When To Flush
1. New Sprayer. Your new EM5000 sprayer was facto-
ry tested in lightweight oil,which was left in to protect
the pump parts.
Before using water–base paint, flush with mineral
spirits, followed by a soapy water flush, and then a
clean water flush.
Before using oil–base paint, flush with mineral spir-
its, only.
2. Changing Colors. Flush with a compatible solvent
such as mineral spirits or water.
3. Changing from water–base to oil–base paint.
Flush with warm, soapy water, then mineral spirits.
4. Changing from
paint.Flush with mineral spirits, followed by warm,
soapy water, and then a clean water flush.
5. Storage.
Water base paint: flush with water, then mineral spir-
its and leave the pump, hose and gun filled with min-
eral spirit. Shut off the sprayer, and open the pres-
sure drain valve to relieve pressure. Leave the drain
valve open.
Oil base paint: flush with mineral spirits and leave the
pump, hose and gun filled with mineral spirits. Shut
off the sprayer, and open the pressure drain valve to
relieve pressure. Leave the drain valve open.
Flushing
oil–base to water–base
CAUTION
Never leave water in the sprayer if there is the
slightest chance it could freeze. Flush with mineral
spirits to push the water out of the sprayer. Water left
in the pressure control tube may freeze, which can
prevent the sprayer from being started, and may
cause serious damage to the pressure control.
6. Startup after storage.
Before using water–base paint , flush out the mineral
spirits with soapy water, and then with clean water.
When using oil–based paint, flush out the mineral
spirits with the paint to be sprayed.
Continued on page 12