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INSTRUCTIONS-PARTS LIST 308612
Rev. D
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Stainless Steel, Air-Operated
Bead Spray Gun
200 psi (13.8 bar) Maximum Working Pressure
Model 238338, Series A
05949
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
COPYRIGHT 1996, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
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Table of Contents Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Technical Data . . . . . . . . . . . . . . . . .
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WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS 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 not sure, call your distributor. Do not alter or modify this equipment. Check equipment daily. Repair or replace worn or damaged parts immediately. Do not exceed
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Installation NOTE: Reference numbers in parentheses in the text Grounding refer to the numbers in the Parts. Proper grounding is essential to maintaining a safe system. To reduce the risk of static sparking, ground the pump, Accessories are available from Graco. Be sure all bead spray gun, paint spray gun and all other system accessories are properly sized to withstand the pres- equipment. sures in the system. 1. Pump: use a ground wire and clamp. 2. Air compressors and hydraulic power supplies:
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Operation Pressure Relief Procedure Application Data See Road Lazer System Manual 308611. WARNING FLUID INJECTION HAZARD To reduce the risk of serious bodily inju- ry, including fluid injection,splashing in Nozzle Size Selection the eyes or on the skin, or injury from moving parts, always follow this procedure when- Use the Nozzle Size Selection and Bead Delivery ever you shut off the pump, when checking or serv- Tables to select the size of nozzle for the travel speed icing any part of the dis
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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 (4.31) 10.7 (4.85) 5 8 5.9 (2.68) 7.4 (3.36) 8.9 (4.04) 10.4 (4.72) 11.9 (5.40) 13.3 (6.03) 6 9.6 7.1 (3.22) 8.9 (4.04) 10.7 (4.85) 12.4 (5.62) 14.2 (6.44)
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Maintenance Clean the outside surfaces of the valve by wiping with Clean Dispensing Valve and System Daily a soft cloth dampened with a compatible solvent. CAUTION Be sure that the solvent you use is compatible with CAUTION the fluid being dispensed, to avoid clogging the valve’s fluid passages. Never immerse the entire dispensing valve in solvent. Immersing in solvent removes lubricants and tends to damage packings. An important part of the care and maintenance of your automatic dispensing valv
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Troubleshooting 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 will not spray Bead line clogged Clear Bead valve closed Open Clogged orifice or needle seat Clean No trigger or actuator air pressure Check, clean air lines Wet
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Notes
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Parts 7 Model 238338 8 9 11* 10 12* 13* 6 14 5 4 15* 16 21* 17 18* 19** 2** 20 3 1 05950A
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Parts Model 238338 Ref. Ref. No. Part No. Description Qty. No. Part No. Description Qty. 1 238330 DEFLECTOR 1 Valve Seat & O-ring Kits 2 191201** SEAT, valve 1 3 191196 NUT, retaining 1 Valve Seat Kit 4 191206 HOUSING, valve 1 Nozzle Size (Includes O-ring) 5 166847 HOUSING, valve 1 6 101554 SET SCREW, 3/8–16 x 3/4 in. 1 0.203 238663 7 191197 CAP, air cylinder 1 8 164739 SPRING, helical compression 1 0.234 238666 9 164740 GUIDE, spring 1 10 164741 PISTON, air 1 0.281 238664 11 156593* O-
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Technical Data Graco Phone Maximum working pressure . . . . . . . . . 200 psi (12 bar) Number Operating pressure of air actuated trigger Minimum . . . . . . . . . . . . . . . . . . . . . . . . 50 psi (3 bar) TO PLACE AN ORDER, contact your Graco distrib- Maximum . . . . . . . . . . . . . . . . . . . . . . 200 psi (12 bar) utor, or call this number to identify the distributor Air connection . . . . . . . . . . . . . . . . . . . 1/4 npt(f) air inlet closest to you: 1–800–690–2894 Toll Free Bead co
