Flushing

Flushing

Flush equipment only in a well-ventilated area. Do not spray flammable fluids. Do not turn on heaters while flushing with flammable solvents.

Flush out old fluid with new fluid, or flush out old fluid with a compatible solvent before introducing new fluid.

Use the lowest possible pressure when flushing.

All fluid components are compatible with common solvents. Use only moisture-free solvents.

To flush feed hoses, pumps, and heaters separately from heated hoses, set PRES- SURE RELIEF/SPRAY valves (SA, SB) to

PRESSURE RELIEF/CIRCULATION . Flush through bleed lines (N).

SA

SB

N

N

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To flush entire system, circulate through gun fluid manifold (with manifold removed from gun).

To prevent moisture from reacting with iso- cyanate, always leave the system dry or filled with a moisture-free plasticizer or oil. Do not use water. See page 12.

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Graco H25, H50, H40 important safety instructions Flushing