Graco 3A1569B Manuel d'utilisateur télécharger pdf (Page 27)

Flushing

3A1569B 27

Flushing

• Flush out old fluid with new fluid, or flush out old

fluid with a compatible moisture-free solvent.

• Use lowest possible pressure when flushing.

• To flush feed hoses, pumps, and the heater sepa-

rately from the heated hoses, set PRESSURE

RELIEF/SPRAY valves (SA, SB) to PRESSURE

RELIEF/CIRCULATION. Flush through bleed lines

(N).

• To flush entire system, circulate through gun fluid

manifold (with manifold removed from gun).

• Always leave hydraulic oil or a non-water based,

non-water absorbent fluid in system. Do not use

water.

Flush equipment only in a well-ventilated area. Do

not spray flammable fluids. Do not turn on heaters

while flushing with flammable solvents.

Only use flush solvents that are compatible with

Fluoroelastomer seals. Non-compatible solvents will

damage seals and cause hazardous conditions, such

as high pressure leaks.

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Graco 3A1569B Manuel d'utilisateur Page 27