Spraying

Spraying

1. Engage gun piston safety lock.

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2. Close gun fluid manifold valves A and B.

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3.Attach gun fluid manifold. Connect gun air line. Open air line valve.

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4. Set PRESSURE RELIEF/SPRAY valves

(SA, SB) to SPRAY

.

SA

SB

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5.Check that heat zones are on and tempera- tures are on target, page 31.

6.Press motor to start motor and pumps.

7.Check fluid pressure display and adjust as necessary.

8.Check fluid pressure gauges (GA, GB) to ensure proper pressure balance. If imbal- anced, reduce pressure of higher compo- nent by slightly turning PRESSURE RELIEF/SPRAY valve for that component toward PRESSURE RELIEF/CIRCULA-

TION , until gauges show balanced pressures.

GAGB

In this example, B side

pressure is higher, so

use the B side valve to balance pressures.

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312062W

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Image 35
Graco H25, H50, H40 important safety instructions Spraying