Repair
Flushing
Flush equipment only in a
•Flush out old fluid with new fluid, or flush out old fluid with a compatible solvent before introducing new fluid.
•Use lowest possible pressure when flushing.
•To flush entire system, circulate through gun fluid manifold (with manifold removed from gun).
•Always leave some type of fluid in system. Do not use water.
Repair
Pressure Relief Procedure
Trapped air can cause the pump to cycle unexpectedly, which could result in serious injury from splashing or moving parts.
1.Select Park on Pump Control Switch if available, or turn off.
2.Turn off feed pumps.
3.Trigger gun to relieve pressure.
4.Close gun inlet valves.
5.Close fluid supply inlet valves.
6.Service spray gun. See corresponding spray gun manual.
Preventive Maintenance
When pumps are functioning properly, it is not unusual for a trace amount of resin to seep past the pump pack- ing onto the resin pump shaft. Routinely inspect shaft and wipe away any residue when the proportioner is turned off. Disassemble and clean the proportioning pumps annually. For pumpline
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