Filter
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Maintenance
30 3A0420H
Maintenance
Filters
Once a week check, clean, and replace (if needed) the
following filters.
• Both pump filters; see lower manual for instructions.
• Main air inlet manifold filter; see Replace Air Filter
Element, page 34.
• Spray gun handle filter; see spray gun manual.
Seals
Once a week, check and tighten throat seals on both
pumps. See table for torque specifications. Be sure to
follow the Pressure Relief Procedure, page 20, prior to
tightening seals. There must be zero pressure on the
pumps when adjusting.
Cleaning Procedure
1. Ensure all equipment is grounded. See Grounding,
page 16.
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 26.
5. Relive pressure. See Pressure Relief Procedure,
page 20.
6. Shutdown the prayer and turn off all power. See
Shutdown, page 28.
7. Clean the external surfaces only using a rag soaked
in solvent that is compatible with the spray material
and surfaces being cleaned.
8. Allow enough time for the solvent to dry before
using the sprayer.
Recommended Spare Parts
Keep these spare parts on hand to reduce downtime.
See Recommended Spare Parts, page 48.
Change the Mix Ratio
In order to change the mix ratio, one or both pumps
need to be replaced and the air motor needs to be
re-positioned.
NOTE: Only Xtreme XP lower pumps come with a
rod coupling.
1. Check the Varying Parts table on page 45 for the
correct pump sizes.
2. Remove and replace pump. See page 33.
3. Adjust the position of the air motor. See page 18.
4. Change air pressure relief valve as required,
depending on ratio. See air relief valve (64) in tables
on page 43.
Pump Size Torque Specification
36cc-85cc 50-75 ft-lb (68-100 N•m)
115cc and 145 cc 100-125 ft-lb (135-170 N•m)