Maintenance
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.
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.
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.
Pump Size | Torque Specification |
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115cc and 145 cc | |
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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.
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
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.
30 | 3A0420H |