Graco PT2500 owner manual Equipment Misuse Hazard, Fire or Explosion Hazard, Hose Safety

EQUIPMENT MISUSE HAZARD

General Safety

Misuse of the spray equipment or accessories, such as over pressurizing, modifying parts, using incompatible chemicals and fluids, or using worn or damaged parts, can cause them to rupture and result in fluid injection, splashing in the eyes or the skin, or other injury, or fire, explosion or property damage.

Never alter or modify any part of this equipment; doing so could cause the equipment to malfunction.

Check all spray equipment regularly and repair or replace worn or damaged parts immediately.

Always wear protective eyewear, gloves, clothing and respira- tor as recommended by the fluid and solvent manufacturer.

System Pressure

This sprayer can develop 3000 psi (210 bar) Maximum Working Pressure. Be sure all spray equipment and accessories used are rated to withstand the this pressure. Do not exceed the maximum working pressure of any component or accessory used in the system.

Fluid and Solvent Compatibility

All chemicals used in the sprayer are chemically compatible with the wetted parts shown in the Technical Data on the back cover. Always read the chemical manufacturer's literature be- fore using them in this sprayer.

FIRE OR EXPLOSION HAZARD

Static electricity is created by the flow of fluid through the pump and hose. If every part of the spray equipment is not properly grounded, sparking may occur, and the system may become hazardous. Sparking may also occur when plugging in or un- plugging a power supply cord or using a gasoline engine. Sparks can ignite fumes from solvents and the fluid being sprayed, dust particles and other flammable substances, whether you are spraying indoors or outdoors, and can cause a fire or explosion and injury and property damage.

If you experience any static sparking or even a slight shock while using this equipment, stop spraying immediately. Check the entire system for proper grounding. Do not use the system again until the problem has been identified and cor- rected.

Grounding

To reduce the risk of static sparking, ground the sprayer and all other spray equipment used or located in the spray area. Check your local electrical code for detailed grounding instructions for your area and type of equipment. Be sure to ground all of this spray equipment:

1.Sprayer:plug the power supply cord, or extension cord, each equipped with an undamaged three-prong plug, into a prop- erly grounded outlet. Do not use an adapter. All extensions cords must have three wires and be rated for 15 amps.

2. Fluid hoses: use only grounded hoses with a maximum f 500 ft (150 m) combined hose length to ensure grounding continuity. See Hose Grounding Continuity below.

3.Spray gun: obtain grounding through connection to a prop- erly grounded fluid hose and sprayer.

4.Object being sprayed: according to local code.

5.Fluid supply container: according to local code.

6.All solvent pails used when flushing, according to local code. Use only metal pails, which are conductive. Do not place the pail on a non±conductive surface, such as paper or card- board, which interrupts the grounding continuity.

7.To maintain grounding continuity when flushing or relieving pressure, always hold a metal part of the gun firmly to the side of a grounded metal pail, then trigger the gun.

Flushing Safety

Reduce the risk of fluid injection injury, static sparking, or splashing by following the flushing procedure given on page 13 of this manual. Follow the Pressure Relief Procedure on page 4, and remove the spray tip before flushing. Hold a metal part of the gun firmly to the side of a grounded metal pail and use the lowest possible fluid pressure during flushing.

HOSE SAFETY

High pressure fluid in the hoses can be very dangerous. If the hose develops a leak, split or rupture due to any kind of wear, damage or misuse, the high pressure spray emitted from a hose can cause a fluid injection injury or other injury or property dam- age.

All fluid hoses must have strain reliefs on both ends! The strain reliefs help protect the hose from kinks or bends at or close to the coupling which can result in hose rupture.

Tighten all fluid connections securely before each use. High pressure fluid can dislodge a loose coupling or allow high pres- sure spray to be emitted from the coupling.

Never use a damaged hose. Before each use, check the entire hose for cuts, leaks, abrasion, bulging cover, or damage or movement of the hose couplings. If any of these conditions ex- ist, replace the hose immediately. Do not try to recouple high pressure hose or mend it with tape or any other device. A re- paired hose cannot contain the high pressure fluid.

Handle and route hoses carefully. Do not pull on hoses to move equipment. Keep hoses clear of moving parts and hot surfaces of the pump and gas engine. Do not use fluids or solvents which are not compatible with the inner tube and cover of the hose. Do not expose Graco hoses to temperatures above 180_ F (82_ C) or below ±40_ F (±40_ C).

Hose Grounding Continuity

Proper hose grounding continuity is essential to maintaining a grounded spray system. Check the electrical resistance of your fluid hoses at least once a week. If your hose does not have a tag on it which specifies the maximum electrical resistance, contact the hose supplier or manufacturer for the maximum re- sistance limits. Use a resistance meter in the appropriate range for your hose to check the resistance. If the resistance exceeds the recommended limits, replace the hose immediately. An un- grounded or poorly grounded hose can make your system haz- ardous. Also read FIRE OR EXPLOSION HAZARD, above.

IMPORTANT

United States Government safety standards have been adopted under the Occupational Safety and Health Act. These standards ± particularly the General Standards, Part 1910, and the Construction Standards, Part 1926 ± should be consulted.

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