Graco 238377 - User Manual

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308613E

ENG

Instructions

Single Acting and Double Acting Paint Spray Guns for

RoadLazer

™

RoadPak

™

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

Read all warnings and instructions in this

manual. Save these instructions.

ti16339a

05952b

238377

24G980

II 2 G

T5

Table of Contents

Other manuals for Graco 238377

Instructions-Parts List13 pages

Questions and Answers:

C
Carrie BlairAug 10, 2025
What to do if my Graco 238377 Paint Sprayer gun will not spray?
- S
  shermankevinAug 10, 2025
  If your Graco Paint Sprayer gun isn't spraying, several factors could be at play. First, ensure the pump is operating correctly; refer to the pump manual for guidance. Check for and clear any clogs in the fluid line. Verify that the fluid valve is open. Clean any clogs present in the orifice or needle seat. Inspect and clean the air lines to ensure proper trigger or actuator air pressure. Lastly, replace worn or dry piston packings.
L
Lauren MayAug 25, 2025
Why does my Graco 238377 gun keep spraying?
- A
  amurrayAug 25, 2025
  If your Graco Paint Sprayer gun continues to spray, it could be due to several reasons. The fluid pressure might be too high; try reducing the pressure to the pump or adjusting the fluid pressure regulator. The fluid needle could be binding, requiring cleaning or repair. Alternatively, the piston packing might be binding and need repair, or the needle seat could be obstructed or worn, necessitating cleaning or replacement.

Graco 238377 Specifications

General

Model	238377
Product Type	Airless Paint Sprayer
Maximum Pressure	3000 PSI
Hose Length	50 ft
Power Source	Electric
Voltage	120V
Tip Size	0.015 inches

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