Instruction/ maintenance manual of the product 24G979 Graco
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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.
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.
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.
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.
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.
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.
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.
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 bea.
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.
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.
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.
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.
An important point after buying a device Graco 24G979 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco 24G979 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco 24G979 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 24G979 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 24G979 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 24G979, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco 24G979.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 24G979. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 24G979 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
