Installation
Installation
General Information
Reference numbers and letters in parentheses in 
the text refer to the callouts in the figures and the parts drawing.
Always use Genuine Graco Parts and Accessories, 
available from your Graco distributor. If you supply your own accessories, be sure they are adequately sized and
Prepare the Operator
All persons who operate the equipment must be trained in the operation of all system components as well as the proper handling of all fluids. All operators must thor- oughly read all instruction manuals, tags, and labels before operating the equipment.
Prepare the Site
Ensure that you have an adequate compressed air supply.
Bring a compressed air supply line from the air com- pressor to the pump location. Be sure all air hoses are properly sized and
Keep the site clear of any obstacles or debris that could interfere with the operator's movement.
Have a grounded, metal pail available for use when flushing the system.
Grounding
The equipment must be grounded. Grounding reduces the risk of static and electric shock by providing an escape wire for the electrical current due to static build up or in the event of a short circuit.
Pump: See FIG. 2. Verify that the ground screw (GS) is attached and tightened securely to the air motor. Con- nect the other end of the ground wire (U) to a true earth ground.
U
GS | ti12914a |
FIG. 2. Ground screw and wire
Air and fluid hoses: Static electricity may build up when fluids flow through pumps, hoses, and sprayers. At least one hose must be electrically conductive, with a maximum of 500 ft. (150 m) combined hose length to ensure grounding continuity. Check electrical resistance of hose. If total resistance to ground exceeds 25 meg- ohms, replace hose immediately.
Air compressor: follow manufacturer’s recommenda- tions.
Spray gun / Dispense valve: Ground the spray gun through connection to a
Fluid supply container: follow local code.
Object being sprayed: follow local code.
Solvent pails used when flushing: follow local code. Use only conductive metal pails, placed on a grounded surface. Do not place the pail on a nonconductive sur- face, such as paper or cardboard, which interrupts grounding continuity.
To maintain grounding continuity when flushing or relieving pressure: hold metal part of the spray gun/dispense valve firmly to the side of a grounded metal pail, then trigger the gun/valve.
8 | 312794E |
