Installation; Shutdown; Pressure Relief Procedure; Access The Valve Assembly - Graco PR70 Kit Instructions

Installation

Installation
WARNING
TOXIC FLUID OR FUMES HAZARD
Toxic fluids or fumes can cause serious injury or death if
splashed in the eyes or on skin, inhaled, or swallowed.
MOVING PARTS HAZARD
Moving parts can pinch, cut or amputate fingers, and other
body parts.
PERSONAL PROTECTIVE EQUIPMENT
Wear appropriate equipment when in the work area to help
prevent serious injury.

Shutdown

Perform the following steps to shut down the machine
before proceeding with installation of this upgrade kit.
1. Place a waste container below the dispense valve.
2. Perform the Pressure Relief Procedure to relieve
pressure to the PR70.
3. Unplug the power cord.

Pressure Relief Procedure

The PR70 equipment stays pressurized until pressure
is manually relieved. To help prevent serious injury
from toxic fumes and moving parts, follow the Pres-
sure Relief Procedure before servicing or making
repairs to the PR70.
1. At the Home screen on the Advanced Display Mod-
ule (ADM), press
the directional keypad to navigate to the Manual
screen.
2. Press the Open Dispense Valve
Manual screen to relieve chemical pressure.
4
to access Setup mode. Use
key on the
3. Press the Machine Disable Mode
4. Press down the system air pressure relief switch to
stop the air supply and to vent air pressure in the
machine. It is the yellow tab at the left, rear of the
PR70. The hole in the tab should be visible.
5. If necessary, run a lock through the hole to lock the
tab in place. This prevents the system air pressure
from being inadvertently enabled.

Access the Valve Assembly

1. Turn the shield locking screws counterclockwise on
both sides to remove the screws.
Shield Locking Screw
F . 2: Removing the Shield
IG
2. Remove the protective shield.
NOTE: The solenoid valve assembly is located at the
rear of the PR70 and the Fluid Control Module (FCM) is
located above it.
Fluid Control
Module
Solenoid Valve Assembly
F . 3: Original Assembly
IG
key.
3A3229B