Graco 308395D User Manual download pdf (Page 5)

Installation

308395D 5

Typical Installation

Key:

A Hydraulic Control, 236864

B Hydraulic Control, 236865

C Hydraulic Return Line

D Hydraulic Outlet, 3/4 npsm (A), 1 1/4 npsm(B)

E Return Line Shutoff Valve

F Hydraulic Inlet, 3/8 npsm (A), 3/4 npsm (B)

G Supply Line Shutoff Valve

H Pressure Gauge

J Pressure Reducing Valve

K Flow Control Valve

L Hydraulic Supply Line (use only Graco hydraulic power

supply)

Hydraulic Fluid Control: The hydraulic fluid control pro-

vides pressure regulation, flow regulation, and pump

isolation. See the Typical Installation as a guide. For

assistance in designing a system to suit your needs,

contact your Graco Representative.

Pressure Regulation:

The hydraulic fluid control pres-

sure reducing valve (J) reduces the hydraulic oil pres-

sure to the operating pressure required for application.

Flow Regulation:

The hydraulic fluid control valve (K)

limits the maximum amount of oil flow to the motor to

keep the hydraulic motor within the recommended cycle

rate limit. This prevents pump runaway. The limit on the

Dyna-Star

™

is 60 cpm. The limit on the Power-Star

™

66 cpm.

Pump Isolation:

The hydraulic fluid control (A and B) has

ball valves on the supply and return sides of the mani-

fold. The ball valves isolate the hydraulic fluid control

and pump for servicing without stopping the hydraulic

power source.

FIG. 2: Typical Installation

Model 236865

Model 236864

1 2 3 4 5 6 7 8 9 10 ... 13 14

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Graco 308395D User Manual Page 5

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