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Graco Inc. 238338 manual

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Table of contents for the manual

  • Page 1

    308612 Rev . D INSTRUCTIONS-P ARTS LIST INSTRUCTIONS This manual contains important warnings and information. READ AND KEEP FOR REFERENCE. Stainless Steel, Air-Operated Bead Spray Gun 200 psi (13.8 bar) Maximum Working Pressure Model 238338, Series A GRACO INC. P .O. BOX 1441 MINNEAPOLIS, MN 55440–1441 E COPYRIGHT 1996, GRACO INC. Graco Inc. is r[...]

  • Page 2

    2 308612 T able of Contents W arnings 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Installation 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operation 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Maintenance 7 . . . . . . . . . . . . . . . . . . . . . . .[...]

  • Page 3

    3 308612 W ARNING INSTRUCTIONS EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury . D This equipment is for professional use only . D Read all instruction manuals, tags, and labels before operating the equipment. D Use the equipment only for its intended purpose. If you are not su[...]

  • Page 4

    4 308612 Installation NOTE: Reference numbers in parentheses in the text refer to the numbers in the Parts . Accessories are available from Graco. Be sure all accessories are properly sized to withstand the pres- sures in the system. Mount V alve Mount the valve on a 0.50 in. (12.7 mm) diameter rod on a mounting fixture or a dispensing machine. The[...]

  • Page 5

    5 308612 Operation Pressure Relief Procedure FLUID INJECTION HAZARD T o reduce the risk of serious bodily inju- ry , including fluid injection,splashing in the eyes or on the skin, or injury from moving parts, always follow this procedure when- ever you shut off the pump, when checking or serv- icing any part of the dispensing system, when installi[...]

  • Page 6

    6 308612 Operation Bead Delivery Lb/Min (kg/Min) 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) 7.1 (3.22) 8.3 (3.76) 9.5[...]

  • Page 7

    7 308612 Maintenance Clean Dispensing V alve and System Daily CAUTION Be sure that the solvent you use is compatible with the fluid being dispensed, to avoid clogging the valve ’ s fluid passages. An important part of the care and maintenance of your automatic dispensing valve is proper flushing. Flush the valve daily with a compatible solvent un[...]

  • Page 8

    8 308612 T roubleshooting NOTE: Check all possible solutions before disassembling the pump. Problem Cause Solution Uneven spray pattern Bead pressure too low Increase pressure to bead tank, or adjust bead pressure regulator Spray gun will not stop spraying Gun needle binding Clean, repair Obstructed or worn needle seat Clean or replace Spray gun wi[...]

  • Page 9

    9 308612 Notes[...]

  • Page 10

    10 308612 Parts 7 8 9 11 * 10 12* 5 6 4 16 18* 2** 3 13* 14 20 1 19** 15* 17 Model 238338 21* 05950A[...]

  • Page 11

    11 308612 Parts Model 238338 Ref. No. Part No. Description Qty . Ref. No. Part No. Description Qty . 1 238330 DEFLECTOR 1 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 – 16 x 3/4 in. 1 7 191 197 CAP , air cylinder 1 8 164739 SPRING, helical compression 1 9 16474[...]

  • Page 12

    12 308612 T echnical Data Maximum working pressure 200 psi (12 bar) . . . . . . . . . Operating pressure of air actuated trigger Minimum 50 psi (3 bar) . . . . . . . . . . . . . . . . . . . . . . . . Maximum 200 psi (12 bar) . . . . . . . . . . . . . . . . . . . . . . Air connection 1/4 npt(f) air inlet . . . . . . . . . . . . . . . . . . . Bead co[...]