What to do if my Graco RTX2500 gun will not shut off?
- SStephen GoodmanSep 13, 2025
If the gun on your Graco Paint Sprayer will not shut off, it could be due to: * Worn nozzle or needle. Replace worn parts. * Debris in the needle passage. Clean it.

What to do if my Graco RTX2500 gun will not shut off?
If the gun on your Graco Paint Sprayer will not shut off, it could be due to: * Worn nozzle or needle. Replace worn parts. * Debris in the needle passage. Clean it.
What to do if needle adjustment won’t adjust on Graco RTX2500?
If the needle adjustment won’t adjust on your Graco Paint Sprayer, the threads might be dirty. Clean the threads. Alternatively, the nozzle might not be on the gun, so put the nozzle on the gun.
| Brand | Graco |
|---|---|
| Model | RTX2500 |
| Category | Paint Sprayer |
| Language | English |
Product must be grounded to reduce risk of electric shock. Plug into grounded outlet.
Use 3-wire, 12 AWG minimum extension cord with grounding plug.
Prevent fire/explosion by not spraying flammable materials. Use in ventilated area.
Misuse can cause death or serious injury. Wear protective gear, stay alert.
Equipment surfaces and fluid can get very hot. Avoid touching hot parts.
Grounding is essential. Use only 3-wire cords and grounded outlets.
Fluid can splash and cause injury. Follow pressure relief procedure.
Keep clear of moving parts. Do not operate with guards removed.
Many solvents degrade plastic parts. Use compatible water-based solvents.
Wear protective gear for eye, hearing, inhalation protection.
Product contains chemicals known to cause cancer or birth defects.
Identifies parts of the RTX1400si model with a diagram and list.
Identifies parts of RTX2000pi/RTX2500pi models with diagrams and lists.
Procedure to relieve pressure before cleaning or servicing equipment.
Equipment must be grounded to reduce risk of static sparking and electric shock.
Specifies voltage, frequency, and amperage for operation.
Guidelines for using extension cords with the sprayer.
States not to use an auxiliary air compressor with this system.
Specifies minimum generator wattage for operation.
Details the size and maximum length of hoses.
Explains the functions of Soft Start and Smart Start systems.
Instructions for mixing material and water to the correct consistency.
Specific instructions for mixing dry mix material.
Charts to help select the correct nozzle for different applications.
Guidance on balancing fluid output, atomization, and nozzle selection.
Methods to reduce material flow from the sprayer.
Methods to increase material flow from the sprayer.
Using the trigger lock for extended spraying.
How to check and maintain material consistency.
How to prevent material surge when starting to spray.
Explains the Smart Start and Soft Start functions for specific models.
Steps to remove and clean the material hopper.
Instructions for removing the handle and hopper for transport.
Checking hoses for damage and proper length.
Cleaning and potential replacement of spray tips.
A comprehensive list of parts for the RTX1400si sprayer.
A comprehensive list of parts for the RTX2000pi sprayer.
A comprehensive list of parts for the RTX2500pi sprayer.
A comprehensive list of parts for the compressor unit.
Wiring diagram for 120V and 230V RTX1400si models.
Wiring diagram for RTX2000pi and RTX2500pi models.
Wiring diagram specifically for the RTX2500pi 230V model.
Specifications related to sprayer capacity, delivery, pressure, and motor.
Physical dimensions of the sprayer models.
Weight specifications for the sprayer.
Weight of the spray gun.
Sound pressure and power levels.
Recommended temperature range for storage.
Recommended temperature range for operation.
Materials used in the sprayer's construction.
Important notes regarding operation and potential issues.
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