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Repair and Parts ™ 2000 - For Water-Based Materials Only- Model: 257030 Sprayer with Graco Trigger Gun 120 psi (8.27 bar) Maximum Working Air Pressure 120 psi (8.27 bar) Maximum Working Fluid Pressure Important Safety Instructions Read all warnings and instructions in this manual.
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Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama- tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where applicable.
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PLASTIC PARTS CLEANING SOLVENT HAZARD Use only compatible water-based solvents to clean plastic structural or pressure-containing parts. Many solvents can degrade plastic parts and cause them to fail, which could cause serious injury or property damage. See Technical Data in this and all other equipment instruction manuals. Read fluid and solvent manufacturer’s warnings.
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Component Identification List A Nozzle Storage B Hopper C Hopper Quick Connect D Diaphragm Pump E Material Outlet Option 1 F Material Outlet Option 2 G Gun Air Outlet Quick Connect H Material (Pump) Air Pressure Gauge and Control Knob Gun Air Pressure Gauge and Control Knob K Gun (see manual 308878)* L Air Compressor (not supplied by Graco)
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Preparation Preparation Pressure Relief 1. Disconnect air inlet. 2. Open gun air valve (23). ti4000b 3. Trigger gun, and spray material back into hopper. Hopper Removal and Installation The hopper (G) can be removed from the cart for clean- ing and servicing equipment. NOTE: Before removing hopper, allow unit to cool down and/or remove compressor power pack from cart.
Troubleshooting Troubleshooting Before performing any Troubleshooting procedures, follow Pressure Relief procedure on page 6. PROBLEM No material output from pump Pump stops pumping Pulsing or surging material Speed of application too slow CAUSE Not enough air pressure to pump Material too thick Damaged checkballs or seats Plugged gun or nozzle Plugged hose, or hose too small...
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PROBLEM Pattern too fine or too much overspray Pattern too coarse 313385B CAUSE Material too thin Air pressure at gun too high Fluid delivery too low Material too thick Air pressure at gun too low Fluid delivery too high Troubleshooting SOLUTION Thicken material.
Technical Data Technical Data Maximum air working pressure... . 120 psi (8.27 bar) Maximum working fluid pressure ..120 psi (8.27 bar) Compressor (not supplied) AIr Delivery .
Graco Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective.
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