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Graco 238338 manual

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Table of contents for the manual

  • Page 1

    Operation Single Acting and Double Acting Bead Spray Guns for RoadLazer ™ RoadPak ™ Line Striping System 308612J EN - For the application of road marking reflective materials - - For professional use only - Model: 238338 - Single Acting Bead Spray Gun Model: 24G979 - Double Acting Bead Spray Gun 200 psi (1.38 MP a, 13.8 bar) Maximum Work ing Pr[...]

  • Page 2

    Warnings 2 308612J Warnings The following warnings are fo r the setup, use, grounding, mainte nance, and rep air of this equipment. The exclama- tion point symbol alert s you to a general warning and th e hazard symbols re fer to procedure-specific risks. Wh en these symbols appear in the body of this manua l, refer ba ck to these W arnings. Prod u[...]

  • Page 3

    Installation 308612J 3 Installation Accessories are available from Gr aco. Be sure all accessories are properly sized to withstand th e pres- sures in the system. Mount Valve Mount the valve on a 0.50 in. (12 .7 mm) diameter rod on a mounting fixture or a di spen sing machine. The bead gun has a clamping set screw for mounting . Connect the Air Lin[...]

  • Page 4

    Operation 4 308612J Operation Pressure Relief Procedure 1. Shut off air supply t o the bead tank. R elieve pres- sure from bead tank. 2. Close the m aster air valve (required w ith air-pow- ered pumps). 3. Actuate the dispensing va lve to relieve pressure. 4. Leave the drain valve(s) open until you are ready to dispense ag ain. If you suspect that [...]

  • Page 5

    Operation 308612J 5 Bead Delivery lb/min (kg/min) Nozzle Size Selection Speed Bead Coverage in Pounds Per Gallon (kg/l ) MPH KPH 4 (.48) 5 (.60) 6 (.72) 7 (.84) 8 (.96) 9 (1.08) 2 3.2 2.4 (1.09) 3.0 (1.36) 3.6 (1.63) 4. 1 (1.86) 4.7 (2.13) 5.3 (2.40) 3 4.8 3.6 (1.63) 4.4 (2.0) 5.3 (2.40) 6.2 (2.81) 7.1 (3.22) 8.0 (3.62) 4 6.4 4.7 (2.13) 5.9 (2.68) [...]

  • Page 6

    Maintenance 6 308612J Maintenance Clean Dispensing Valve and System Daily Clean the outsid e of the valve by wiping with a soft cloth dampened with a compatible solvent. T o remove a hardened p article from the orifice, bl ow air through the orifice from the front. Oil Dispensing Valve Daily Before each use, lubricate with a spray of oil inside the[...]

  • Page 7

    Service 308612J 7 4. Remove valve seat and o-ring from valve housing and remove gun n eedle. 5. Remove seal nut an d o-ring. 6. Clean all p arts. Inspect o-ri ngs for signs of wear , replace as necessary . 7. Lubricate o-ring with o ne drop of oil. Inst all o-ring. 8. Install sea t nut, o-ring, and gun needle. 9. Install o- ring on valve seat and i[...]

  • Page 8

    Troubleshooting 8 308612J Troubleshooting NOTE: Check all possible solutions be fore disassembling the pu mp. Problem Cause Solution Uneven spray pattern Bead pressure too low Increase pressure to bead tank, or adjust bead pressure regulator S pray gun will not stop spraying Gun needle bin ding Clean, repair Obstructed or worn needle seat Clean or [...]

  • Page 9

    Replacement Parts and Kits (Single Acting Gun) 308612J 9 Replacement Parts and Kits (Single Acting Gun) Model 238338 4 5 6 10 11 12 13* 14 15 16 17 18 19** 9 7 28 2** 21* 8 22 3 20 ti17001c Ref. Part Description Qty. 2** 191201 SEA T , valve 1 3 191 196 NUT , retaining 1 4 191206 HOUSING , valve 1 5 166847 HOUSING , valve 1 6 101554 SET SCREW , 3/8[...]

  • Page 10

    Replacement Parts and Kits (Double Acting Gun) 10 308612J Replacement Parts and Kits (Double Acting Gun) Model 24G979 22 3 4 5 6 10 11 12 13* 14 15 16 17 18 19** 20 23* 9 8 7 27 28 2** 21* ti16178c Ref. Part Description Qty. 2** 191201 SEA T , valve 1 3 191 196 NUT , retaining 1 4 191206 HOUSING , valve 1 5 166847 HOUSING , valve 1 6 101554 SET SCR[...]

  • Page 11

    Replacement Parts and Kits (Double Acting Gun) 308612J 11 Valve Seat and O-Ring Kits Accessories Adjustable Bead Deflector Kit - 24J173 Allows application of 12 in. wide beaded lines. Technical Data Valve Seat Nozzle Size Kit (Includes O-Ring) 0.203 238663 0.234 238666 0.281 238664 0.344 238665 0.420 † 243668 † Nozzle size 0.420 is optional; or[...]

  • Page 12

    All written and visual data con tained in th is document reflects the latest product info rmation available at the time of publica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts. Original instructions. This manual contains English. MM 308612 Graco Headquarter s: Minneapo[...]