Flushing. Graco 313997P - HFR

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Flushing. Graco 313997P - HFR | Manualzz

Flushing

Flushing

Flush equipment only in a well-ventilated area. Do not dispense 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. See

Technical Data on page 108 for list of wetted com-

ponents to verify compatibility of solvent with wetted materials. See solvent manufacturers information for material compatibility.

• To flush feed hoses, pumps, and heaters separately from heated hoses, set PRESSURE RELIEF/DIS-

PENSE valves (SA, SB) to PRESSURE

• To maintain grounding continuity when flushing or relieving pressure, hold a metal part of dispense gun firmly to the side of a grounded metal pail, then trigger gun.

RELIEF/CIRCULATION lines (N).

SA

. Flush through bleed

SB

N

N ti9880a1

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

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

Important Two-Component Material Information on page 20.

• Solvent pails used when flushing : follow your local code. Use only metal pails, which are conductive, placed on a grounded surface. Do not place pail on a nonconductive surface, such as paper or cardboard, which interrupts grounding continuity.

52 313997P

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