Graco 313528E Manual de usuario descargar pdf (Pagina 26)

Electronic Crossover Operation

26 313528E

Recirculate Function

Recirculate mode pumps fluid from the drum, through

the pump, and back into the drum on the currently active

ram.

To enter Recirculate mode:

1. Set the motor air regulator to 30 psi (0.2 MPa, 2.1

bar).

2. From the Ram Operation screen, press the Recircu-

late key . The display prompts the operator to

confirm.

3. Select to confirm recirculation or select to

cancel.

4. Adjust motor air regulator to obtain desired flow

rate.

NOTE:

While in Recirculate Mode, the manual crossover

function cannot be used and the inactive ram can-

not be primed.

To exit Recirculate Mode, press the Recirculate key

. The display prompts the operator to confirm.

Select to confirm or select to cancel. See F

IG.

16.

NOTE:

You must exit Recirculate Mode before depressuriz-

ing or initiating a crossover.

Depressurize Function

When the system is pressurized the depressurize func-

tion relieves fluid pressure from the pump outlet to below

the platen on the currently active ram. However, when

the system is depressurized pressing the depressurize

key will restore fluid pressure.

Depressurize System

From the Ram Operation screen, press the Depressur-

ize key . The display prompts the operator to con-

firm. Select to confirm depressurize or select

to cancel.

IG. 16: Enter Recirculate Mode

Follow the Pressure Relief Procedure on page 22.

Shutting off power or removing power from the sys-

tem will not depressurize the system.

IG. 17: Depressurize Function Screen

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Graco 313528E Manual de usuario Pagina 26

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