Maintenance; Cleaning Outlet Valves - Graco Project Series Owner's Manual

Corded airless handheld sprayer
Hide thumbs Also See for Project Series:
Table of Contents

Advertisement

Maintenance

Maintenance
Routine maintenance is important to ensure proper operation of your sprayer.
Move sprayer to a well-ventilated area and
away from flammable or combustible
materials, including paints and solvents.
Inspect Pump Filter.
Inspect enclosure vents for blockage.
Inspect pump inlet holes located under Pump Filter for blockage. Each time the sprayer is cleaned

Cleaning Outlet Valves

Dirt and debris in the outlet valve assemblies
may affect sprayer performance and require
cleaning. Perform these steps ONLY if the
sprayer is not working and other
troubleshooting measures have not
resolved the issue.
NOTICE
Proper tools must be used to keep the
plugs/fittings from being stripped.
1.
Perform Pressure Relief Procedure,
page 11.
2.
Unplug the Power Cord.
3.
To clean the three outlet valves, remove
two pump plugs and front valve.
Remove pump plugs with 8mm or 5/16"
Allen wrench.
4.
Clean outlet valve assemblies with
warm water or mineral spirits.
5.
Check ball should move freely against
the spring in the retainer.
6.
If outlet valve assembly was removed
from the valve plug, assemble as shown.
26
Activity
Daily or each time you spray
Daily or each time you spray
Leave a space between the end of the
plug or front valve and shoulder on the
outlet valve assembly.
NOTICE
Do not push outlet valves all the way into
the valve plugs or front valve. If outlet
valves are pushed all the way into the valve
plugs or front valve the sprayer will spray
with reduced performance.
a.
Make certain o-rings are on the
valve plugs and front valve.
b.
Install two pump plugs and front
valve. Install pump plugs with 8mm
or 5/16" Allen wrench. Torque
outlet valve and pump plugs, see
page 33 for torques.
Interval
3A4702E

Advertisement

Table of Contents
loading

Table of Contents