Graco 312787G Install Color Valve Stacks, Connect Valve Air Lines, Connect Valve Fluid Lines

Install Color Valve Stacks

1.Install the bracket (17) on the fluid station (FS) with two screws (20). See FIG. 4.

2.Install the color or catalyst valve stack (VS) to the bracket (17) with two screws (20).

Installation

Connect Valve Air Lines

See FIG. 1. Connect 5/32 in. (4 mm) OD air tubes (11) from the valve solenoids to the air inlets of each valve. Refer to the System Pneumatic Diagram, page 14, and the label inside the color control module.

FS

17

20

MF

FIG. 4: Install Valve Stacks

20

VS

TI12829a

NOTE: The high pressure color change valves use a spring-operated exhaust which does not require a sec- ond air line.

Connect Valve Fluid Lines

1.See FIG. 1. Connect fluid supply lines (FSL) to the 1/4 npt(f) inlet of each valve adapter. Supply solvent to one valve (SV) at the top of the stack,

NOTICE

Verify that all unused fluid ports on the color change valve stack are plugged before operation. An open port will leak fluid.

2.Connect the hose (19) from the manifold stack fluid outlet (F) to the flow meter inlet (M). FIG. 4.

NOTICE

A check valve is recommended on all dead head valves to prevent color crossover if two valves are open at the same time.

Color Change Board Switch Settings

Set switches S3-S6 on the color change board(s) as shown in Table 2 and FIG. 5, depending on the number of color change boards and color change modules being used in your system.

Accessory Dump Valve Kit

15V821 Dump Valve Kit, for Wall Panel Systems

15V822 Dump Valve Kit, for RoboMix Systems

Accessory Dump Valve Kits are available. The kits include one dump valve, one solenoid, all necessary parts for installation, and instruction manual 312786. Order one kit for each dump valve desired.

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