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 MPa, 13.8 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions.
Warnings Warnings The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclamation point symbol alerts you to a general warning and the hazard symbols refer to procedure-specific risks. When these symbols appear in the body of this manual, refer back to these Warnings. Product-specific hazard symbols and warnings not covered in this section may appear throughout the body of this manual where applicable.
Installation Installation Accessories are available from Graco. Be sure all accessories are properly sized to withstand the pressures in the system. Connect Material Line Mount Valve Mount the valve on a 0.50 in. (12.7 mm) diameter rod on a mounting fixture or a dispensing machine. The bead gun has a clamping set screw for mounting. ti16200b Grounding Proper grounding is essential to maintaining a safe system.
Operation Operation Pressure Relief Procedure Application Data See RoadLazer System manual 3A1214. Nozzle Size Selection 1. Shut off air supply to the bead tank. Relieve pressure from bead tank. 2. Close the master air valve (required with air-powered pumps). 3. Actuate the dispensing valve to relieve pressure. 4. Leave the drain valve(s) open until you are ready to dispense again.
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 8.0 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.
Maintenance Maintenance 2. Remove valve housing: Clean Dispensing Valve and System Daily a. Remove cap and spring. Clean the outside of the valve by wiping with a soft cloth dampened with a compatible solvent. NOTICE Never immerse the entire dispensing valve in solvent. Immersing in solvent removes lubricants and can damage packings. ti16182a b. Loosen nut. To remove a hardened particle from the orifice, blow air through the orifice from the front.
Service 4. Remove valve seat and o-ring from valve housing and remove gun needle. 9. Install o-ring on valve seat and insert into valve housing. ti16191a ti16185a ti16183a 10. Install retaining nut. 5. Remove seal nut and o-ring. ti16190b ti16195a 6. Clean all parts. Inspect o-rings for signs of wear, replace as necessary. Air Piston, Spring and Seals 1. Perform Pressure Relief Procedure, page 4. 2. Remove valve housing (step 2, page 6). 3.
Troubleshooting Troubleshooting NOTE: Check all possible solutions before disassembling the pump.
Replacement Parts and Kits (Single Acting Gun) Replacement Parts and Kits (Single Acting Gun) Model 238338 Parts List Ref. 2** 3 4 5 6 7 8 9 11* 12* 13* 14 15* 16 17 18* 19** 20 21* 22 7 8 9 11 10 12 5 6 13* 14 28 Part 191201 191196 191206 166847 101554 191197 164739 164740 156593 155685 191195 102300 158486 191192 166702 127285 238341 24J173 Description Qty. SEAT, valve 1 NUT, retaining 1 HOUSING, valve 1 HOUSING, valve 1 SET SCREW, 3/8-16 x 3/4 in.
Replacement Parts and Kits (Double Acting Gun) Replacement Parts and Kits (Double Acting Gun) Model 24G979 Parts List 27 Ref. 2** 3 4 5 6 7 8 9 11* 12* 13* 14 15* 16 17 18* 19** 20 21* 22 7 9 8 23* 11 10 12 5 13* 6 14 Part 191201 191196 191206 166847 101554 16G708 16G763 16G169 156593 155685 191195 102300 158486 191192 166702 127285 238341 24J173 23* C20179 27 112698 28 114109 28 4 Description Qty. SEAT, valve 1 NUT, retaining 1 HOUSING, valve 1 HOUSING, valve 1 SET SCREW, 3/8-16 x 3/4 in.
Replacement Parts and Kits (Double Acting Gun) Valve Seat and O-Ring Kits 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; order separately Accessories Adjustable Bead Deflector Kit - 24J173 Allows application of 12 in. wide beaded lines.
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.
