Maintenance; Cleaning Outlet Valves - Graco SaniSpray HP 20 Operation - Repair - Parts

Maintenance

Maintenance
Routine maintenance is important to ensure proper operation of your sprayer.
Move entire sprayer to a well-ventilated
area and away from flammable or
combustible materials, including
disinfectants.
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.
1. To clean the three outlet valves, remove
two pump plugs and front valve. Remove
pump plugs with an 8mm or (5/16") Allen
wrench.
2. Clean outlet valve assemblies with warm
water.
3. Check ball should move freely against
the spring in the retainer.
24
Activity
Daily or each time you spray
Daily or each time you spray
4. If outlet valve assembly was removed
from the valve plug, assemble as shown.
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. Use an 8mm or (5/16") Allen
wrench to install pump plugs.
Torque outlet valve to 55-65 in-lb
(6.2 - 7.3 N•m) and pump plugs to
23-25 in-lb (2.6 - 2.8 N•m).
Interval
3A7649A