Filter
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Maintenance
50 312359J
Maintenance
Filters
Once a week check, clean, and replace (if needed) the
following filters. Be sure to follow the Flush Mixed Mate-
rial, page 36, prior to performing filter maintenance.
• Both pump filters; see manual 311762 for instruc-
tions.
• Main air inlet manifold filter; see manual 313289,
Replace Air Filter Element section, for instructions.
• Air regulator filter (5 micron) on air control assem-
bly; see manual 313289, Replace Air Filter Element
section, for instructions.
• B side mix manifold strainer (as required); see man-
ual 312749.
Seals
Once a week, check and tighten throat seals on both
pumps and dosing valves. Be sure to follow the Flush
Mixed Material, page 36, prior to tightening seals.
Cleaning Procedure
1. Ensure all equipment is grounded. See Grounding,
page 11.
2. Ensure the area where the sprayer will be cleaned is
well ventilated; and remove all ignition sources.
3. Turn off all heaters and allow equipment to cool.
4. Flush mixed material. See Flush Mixed Material,
page 36.
5. Relieve pressure. See Pressure Relief Procedure,
page 34.
6. Shutdown sprayer and turn off all power. See Shut-
down Entire System, page 39.
7. Clean external surfaces only using a rag soaked in
solvent that is compatible with the spray material
and the surfaces being cleaned.
8. Allow enough time for solvent to dry before using
sprayer.