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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
30:1 RATIO PRESIDENT
Cart-Mounted Airless Package
Part No. 231-920, Series A
3000 psi (21 MPa, 210 bar) Maximum Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Input Pressure
Table of Contents
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GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440-1441
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COPYRIGHT 1997, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308-700
Supersedes A
First choice when
quality counts.
Rev. B
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Summary of Contents for Graco PRESIDENT 231-920
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Page 1: Table Of Contents
Toll-Free Graco Phone Number ....GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 COPYRIGHT 1997, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001... -
Page 2: Warnings
This equipment is for professional use only. Read all instruction manuals, tags, and labels before operating the equipment. Use the equipment only for its intended purpose. If you are uncertain about usage, call your Graco distributor. Do not alter or modify this equipment. Use only genuine Graco parts and accessories. - Page 3 Check the hoses, tubes, and couplings daily. Replace worn, damaged, or loose parts immediately. Permanently coupled hoses cannot be repaired; replace the entire hose. Use only Graco approved hoses. Do not remove any spring guard that is used to help protect the hose from rupture caused by kinks or bends near the couplings.
- Page 4 WARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury. Ground the equipment and the object being sprayed. Refer to Grounding on page 5. If there is any static sparking or you feel an electric shock while using this equipment, stop spray- ing immediately.
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Page 5: Setup
Before operating the pump, ground the system as explained below. Also read the section FIRE AND EXPLOSION NOTE: Always use Genuine Graco Parts and Acces- HAZARD on page 4. sories, available from your Graco distributor. If you supply your own accessories, be sure they are ade- quately sized and pressure-rated for your system. - Page 6 Setup Supplied Components Remove the clip pins from the air line couplers (22, 23). Screw the female coupler (23) onto the Refer to Fig. 2. main air hose. Leave the male coupler (22) at- tached to the air regulator (F). Do not connect the couplers until you are ready to operate the pump.
- Page 7 Setup SUPPLIED WITH THE SPRAYER COMPONENTS YOU MUST SUPPLY Cart Electrically Conductive Air Supply Hose Pump Bleed-Type Master Air Valve Fluid Filter (includes fluid drain valve D) (for accessories) Male Air Line Coupler Air Line Moisture Trap and Drain Valve Female Air Line Coupler Air Line Filter Suction Hose...
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Page 8: Operation
Operation Pressure Relief Procedure Packing Nut Before starting, fill the packing nut (J) 1/3 full with WARNING Graco Throat Seal Liquid (TSL) or compatible solvent. See Fig. 3. INJECTION HAZARD The system pressure must be manually WARNING relieved to prevent the system from starting or spraying accidentally. - Page 9 Operation Prime the Pump (continued) Adjust the Spray Pattern 6. Place the pump suction tube (26) into the fluid 1. Start the pump. Use the air regulator (F) to adjust supply container. the pump speed and fluid pressure until the spray is completely atomized.
- Page 10 Operation Shutdown and Care of the Pump CAUTION WARNING Never leave water or water-base fluid in the pump overnight. If you are pumping water-base fluid, flush To reduce the risk of serious injury whenever you with water first, then with a rust inhibitor such as are instructed to relieve pressure, always follow the mineral spirits.
- Page 11 Operation Fluid Filter (includes fluid drain valve D) 106 Airless Spray Gun Male Air Line Coupler Electrically Conductive Air Supply Hose Female Air Line Coupler Bleed-Type Master Air Valve Suction Hose (for accessories) Suction Tube Fluid Drain Valve Fluid Line Shutoff Valve Red-Handled Bleed-Type Master 101 Electrically Conductive Air Valve (required, for pump)
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Page 12: Parts
Parts Part No. 231–920, Series A, 30:1 President, carbon steel 101 (Ref) 24 (Ref) - Page 13 Parts Part No. 231–920, Series A, 30:1 President, carbon steel Ref. Ref. Part No. Description Qty. Part No. Description Qty. 238–938 CART, portable 214–960 HOSE, suction; 3/4” (19 mm) ID; Includes replaceable items 2–10 nylon; 3/4 npt (mbe) cst fittings; 191–902 .
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Page 14: Technical Data
Technical Data Category Data Maximum fluid working pressure 3000 psi (21 MPa, 210 bar) Maximum air input pressure 100 psi (0.7 MPa, 7 bar) Ratio 30:1 Maximum operating temperature 120 F (50 C) Wetted parts Pump: See pump manual 306–981 Spray Gun: See gun manual 308–236 Fluid Filter: See filter manual 307–273 Fluid Hoses: Nylon... -
Page 15: Dimensions
Technical Data Sound Pressure Levels (dBa) (measured at 1 meter from unit) Input Air Pressures at 15 cycles per minute Air Motor 40 psi (0.28 MPa, 2.8 bar) 70 psi (0.48 MPa, 4.8 bar) 100 psi (0.7 MPa, 7 bar) President 73.6 dB(A) 78.34 dB(A) -
Page 16: Graco Warranty
Graco distributor 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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