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Instructions
Displacement Pump
- For portable spray application of architectural paints and coatings -
Model 288466, 288467, 288468, 288819
3300 psi (22.8 MPa, 25 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Save these instructions.
Model 288819
Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441
Copyright 2007, Graco Inc. is registered to I.S. EN ISO 9001
Model 288466
311845C
Model 288467/288468
Ti8844a
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Table of Contents
Related Manuals for Graco 288466
Summary of Contents for Graco 288466
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Page 1: Displacement Pump
Instructions Displacement Pump - For portable spray application of architectural paints and coatings - Model 288466, 288467, 288468, 288819 3300 psi (22.8 MPa, 25 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. - Page 2 Warnings 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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Page 3: Pressure Relief Procedure
Service Pressure Relief Procedure The system pressure must be manually relieved to pre- vent the system from starting or spraying accidentally. To reduce the risk of an injury from accidental spray from the gun, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever you, •... - Page 4 Repair Repair See your sprayer instruction manual for complete instructions for removing and installing the pump in your sprayer. Disassembly 1. (Fig. 1) Remove packing nut (3). 2. (Fig. 2) Unscrew intake valve from cylinder. ti8846a 3. (Fig. 3) Disassemble intake valve. Clean and inspect o-ring (17).
- Page 5 Do not clean or wipe piston valve (6) threads. Clean- ing the piston valve threads could destroy the special sealing patch and cause the piston valve to come loose during operation. 6. (Fig. 6) Unscrew piston valve (6) from piston rod (5). Clean and inspect parts.
- Page 6 Note: For steps 1-4 refer to Fig. 9. 1. Stack male gland (7) on piston rod (5). 2. Alternately stack blue UHMWPE (8) and brown UHMWPH (9) (288466, 288467, 2884680) or leather (288819) packings on piston rod. Note orientation. 3. Install female gland (10).
- Page 7 (4). Slide sleeve (4) into bottom of cylinder (2). Replace o-ring (15) if desired. Place inside cylinder (2) and push to shoulder with sleeve (4). 288466 288467/ 288468 . 14 288819 Note: O-ring (15) is not required for safe pump opera- tion.
- Page 8 15. (Fig. 17) Install intake valve on cylinder. Torque to: 200 +/- 5 ft-lb (271 +/- 7 N• m) 288467/288468, 288819. 110+/- 5 ft-lb (149 +/- 7 N• m) 288466. . 17 16. Torque packing nut to: 140 +/- 10 in-lb (15 +/- 1 N•m) 125 +/- 10 in-lb (14 +/- 1 N•m)
- Page 9 Parts Model 288467/288468 311845C Part 15E655 HOUSING 288482 CYLINDER (model 288467) 288483 CYLINDER (model 288468) 15J792 NUT, packing 249121 SLEEVE, cylinder (model 288467) 287817 SLEEVE, cylinder (model 288468) 288469 ROD, piston (model 288467) 288470 ROD, piston (model 288468) 249177 VALVE, piston 189585 GLAND, packing, male 189588 GLAND, packing, female 107203 BALL, valve, check...
- Page 10 Parts Model 288466 Part 195894 HOUSING, intake 288727 CYLINDER 193032 NUT, packing 248210 SLEEVE, cylinder 288479 ROD, piston 240150 VALVE, piston 183178 GLAND, packing, male 183185 GLAND, packing, female 101947 BALL, bearing 118504 WIPER, piston 15C998 WASHER, backup 107098 PACKING, o-ring 106556 PACKING, o-ring 16†...
- Page 11 Model 288819 311845C Part 15A303 HOUSING, intake 288822 CYLINDER, pump 15J792 NUT, packing 248979 SLEEVE, cylinder 288821 ROD, piston 249177 VALVE, piston 189585 GLAND, packing, male 189588 GLAND, packing, female 118601 BALL, ceramic, 0.5625 dia 119636 WIPER, piston 15F183 WASHER, backup 108822 PACKING, o-ring 107306 PACKING, o-ring 16†...
- Page 12 Parts Notes 311845C...
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Page 13: Technical Data
Fluid outlet size Wetted parts 311845C 3300 psi, 25 bar, 22.8 MPa 1-5/16 UN (m) models 288467/288468 3/4-14 npt (m) model 288466 3/8 npt (f) stainless steel, PTFE, leather, nylon, zinc-plated carbon steel, tungsten carbide, brass, fluorelastomer, acetal, polyethylene, ceramic... -
Page 14: Graco Standard Warranty
Graco Standard Warranty Graco Standard Warranty Graco warrants all equipment referenced in this document which is 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.