Graco 238377 Instructions Manual
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Graco 238377 Instructions Manual

Single acting and double acting paint spray guns for roadlazer roadpak line striping system
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Instructions
Single Acting and Double Acting Paint Spray Guns for
™
RoadLazer
RoadPak
- For the application of road marking paints and coatings -
Model: 238377 (Single-acting gun)
Model: 24G980 (Double-acting gun)
Maximum Working Pressure 3000 psi (21 MPa, 210 bar)
Important Safety Instructions
Read all warnings and instructions in this
manual. Save these instructions.
™
Line Striping System
- For professional use only -
238377
05952b
308613E
ENG
24G980
ti16339a
T5
II 2 G

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Summary of Contents for Graco 238377

  • Page 1 Line Striping System - For the application of road marking paints and coatings - - For professional use only - Model: 238377 (Single-acting gun) Model: 24G980 (Double-acting gun) Maximum Working Pressure 3000 psi (21 MPa, 210 bar) Important Safety Instructions...
  • Page 2 All parts of the spray system, including the pump, hose assembly, spray gun, and objects in and around the spray area shall be properly grounded to protect against static discharge and sparks. Use Graco conductive or grounded high-pressure airless paint sprayer hoses.
  • Page 3 Warnings WARNING WARNING WARNING WARNING EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injury. • Do not operate the unit when fatigued or under the influence of drugs or alcohol. • Do not exceed the maximum working pressure or temperature rating of the lowest rated system component.

  • Page 4: Installation

    Installation Installation Connect Fluid Lines Accessories are available from Graco. Be sure all accessories are properly sized to withstand the 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 dispensing machine. The paint gun has a clamping set screw (6) for mounting.

  • Page 5: Operation

    Operation Operation Adjustments 1. Shut off the power to the pump. 2. Close the bleed-type master air valve (required with Set the actuating air to at least 75 psi (5.2 bar) and start air-powered pumps). the pump. Set the pump speed and pressure to obtain the desired flow rate.

  • Page 6: Maintenance

    Maintenance Maintenance Service Clean Dispensing Valve and Needle, Seat and Packings System Daily To clean or replace the needle, its seat or packings (16, 17, 18), proceed as follows: NOTICE 1. Perform Pressure Relief Procedure, page 5. Be sure that the solvent you use is compatible with the fluid being dispensed to avoid clogging the fluid pas- 2.
  • Page 7 Service 4. Use an open-end wrench to remove valve seat from 8. Clean all parts. valve housing. ti16194a 9. Lubricate and install gun needle into valve body. ti16345a 5. Remove gun needle from valve body. ti16349a 10. Install packings (16, 17, 18, 20) on gun needle. ti16347a 6.
  • Page 8 Check the piston o-rings (see note 1) carefully. Lubricate all parts with a light waterproof grease and reassemble with valve using new parts as ti16352a necessary. 13. Install valve body. Tighten nut. Single-Acting Double-Acting 238377 24G980 ti16196a ti16193a 14. Install RAC guard. ti16353a ti16999a ti16792a...
  • Page 9 Replacement Parts and Kits (Double Acting Gun 24G980) Replacement Parts and Kits (Double Acting Gun 24G980) (Not included) (Not included) ti16354a Ref. Part Description Qty. Ref. Part Description Qty. 166255 GLAND, packing 243161 GUARD, RAC 166258 PACKING, valve 206987 SEAT, valve 181523 PACKING, valve 101748...
  • Page 10 Replacement Parts and Kits (Single Acting Gun 238377) Replacement Parts and Kits (Single Acting Gun 238377) (Not included) (Not included) 5953b Ref. Part Description Qty. Ref. Part Description Qty. 191174 NUT, packing 243161 GUARD, RAC 102300 NUT, 9/16-18 nf 206987...

  • Page 11: Troubleshooting

    Check, clean air lines Worn or dry piston packings Replace Technical Data Single Acting Paint Gun Double Acting Paint Gun 238377 24G980 Maximum working pressure 3000 psi (210 bar) Operating pressure of air actuated trigger: Minimum 50 psi (3 bar)

  • Page 12: Graco Standard Warranty

    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.

This manual is also suitable for:

24g980

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