Graco PT2500 owner manual Maintenance Intervals, Flushing Procedure

Page 13

Maintenance

CAUTION

Thorough flushing and proper maintenance are essential to keep the sprayer working properly and avoid costly damage to the sprayer or the ob- ject being sprayed.

Diaphragm Failure: Always replace the diaphragm after every 500 hours of operation (once every 4 to 6 months). The diaphragm weakens with use. If the diaphragm ruptures, hydraulic oil and paint may mix, damaging the sprayer and/or the surface of the object

11

Decrease pressure

1 (counterclockwise).

2

Increase pressure (clockwise).

 

 

 

3

Open (counterclockwise).

￿27￿

 

 

4Close (clockwise).

4

being sprayed may be damaged.

Follow the Maintenance Intervals outlined below.

Maintenance Intervals

66

1

3

2

Flushing

Immediately after each use.

 

 

Lubricate the intake valve.

Immediately after each use.

 

 

Tighten the paint pump

1. After the first 3 to 5 hours of

screws and the inlet valve.

operation.

 

2. After the next 3 to 5 hours

 

of operation.

 

3. Each 25 hours thereafter

 

(about weekly).

 

 

Check or change the hydrau-

1. Check the oil after each

lic oil.

use of the sprayer.

 

2. Change the oil after the first

 

20 hours of operation.

 

3. Change the oil each 50

 

hours thereafter (about twice

 

monthly).

 

 

Replace the diaphragm.

After every 500 gallons of

 

paint sprayed (4 to 6 months).

 

 

Flushing Procedure

1.Shut off the sprayer. Lock the gun trigger safety le- ver. Open the bypass valve ONE turn counterclock- wise. Raise the paint pump just above the paint and turn on the sprayer to drain the paint. Now turn off the sprayer. See Fig. 7.

2.Place the paint pump in a grounded flushing pail of solvent.

3.Check to be sure the trigger safety lever is set. Re- move the spray tip from the gun. Unlock the safety lever. Hold a metal part of the gun firmly to the side of a grounded metal pail. Close the bypass valve. Trigger the gun into the pail. Turn on the sprayer. Watch the side of the pail for solvent to appear. Then release the gun trigger. Turn off the sprayer.

4.With the bypass valve closed, turn on the sprayer, trigger the gun into the flushing pail and allow the sol- vent to circulate through the hose and gun for two to three minutes, using the lowest possible pressure. See Fig. 8. Release the gun trigger and lock the safe- ty lever. Turn off the sprayer.

4

Fig. 7

￿275

1

Maintain firm met-

1 al±to±metal contact between gun and container

Fig. 8

￿276

5.Open the bypass valve (66) ONE turn counter- clockwise.

6.Raise the paint pump above the solvent, turn on the sprayer, and allow the pump to run itself dry. Turn the sprayer OFF.

7.Using a clean pail of water or solvent, and the lowest possible pressure, flush again to be sure all paint par- ticles are removed.

8.Remove the paint strainer and clean it thoroughly.

9.Now lubricate the inlet valve. See page 14.

maintenance procedure continued on next page

 

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Contents This manual contains important warnings and information Gallon PER MINUTE, 120 VAC, 60 HZTerms Table of ContentsMotor Pressure Control Knob Spray Gun, Reverse-A-Clean RAC IV Tip Guard and Spray TipPaint Pump Hydraulic PumpFluid Injection Hazard Equipment Misuse Hazard Hose SafetyFire or Explosion Hazard Risques Dinjection AvertissementRisques EN CAS DE Mauvaise Utilisation DU Material Risques Dincendie OU Dexplosion Mesures DE Securite Concernant LES Tuyaux FlexiblesPeligro DE Inyeccion DE Fluido Peligro DE Incendio O Explosion Peligro POR MAL USO DEL EquipoSeguridad EN EL USO DE LAS Mangueras Install a spray tip and RAC IV tip guard on SetupCheck the electrical service which must be Connect the hose and gun. Connect the other endStartup   Maintenance Intervals MaintenanceFlushing Procedure 25 mm 1 inch Right Wrong Application MethodsProblem Cause Solution TroubleshootingProblem Cause Solution Starter Switch. See Fig ServiceInlet Check Valve. See Fig Outlet Check Valve. See Fig18a 28a 28b 28c 28e 28f 28d 22a 22b 26a Parts Description Qty Sherwin-Williams Pt2500 SprayerNo. Part No. Description Includes replaceable item 26a Included with motor, itemIncludes items 28a±28f Manual Change Summary Graco Phone Numbers Technical DataSHERWIN±WILLIAMS COMPANY, CLEVELAND, Ohio Delrinr is a registered trademark of the DuPont Company

PT2500 specifications

The Graco PT2500 is a powerful and versatile paint sprayer designed for both professional contractors and DIY enthusiasts looking for a reliable tool for their painting projects. With a robust construction and advanced technologies, the PT2500 stands out in the market for its efficiency and performance.

One of the main features of the Graco PT2500 is its high output capacity. This paint sprayer is equipped with a powerful motor that can deliver consistent pressure, allowing for smooth and even application of paint, stains, and varnishes. It is capable of handling a wide variety of coatings, making it suitable for both interior and exterior projects.

Additionally, the PT2500 features Graco’s ProConnect system, which allows for easy pump replacement without the need for tools. This system minimizes downtime and ensures that users can get back to their projects quickly, making it an ideal choice for professionals who need to maintain productivity on the job site.

The PT2500 incorporates advanced RAC X SwitchTip technology. This innovative feature enables users to reverse the tip for quick unclogging, which saves time and ensures a continuous workflow. The switchable tips also allow for various spray patterns, accommodating different project requirements with ease.

Another notable characteristic is the lightweight and portable design of the Graco PT2500. Weighing less than many competitors in its class, this sprayer can be easily transported and maneuvered around the job site or within the home. The included cart provides stability and allows for easy movement, making it ideal for larger projects or jobs that require accessibility.

Furthermore, the Graco PT2500 comes with a built-in filter that helps prevent debris from clogging the spraying nozzle, ensuring a smooth finish every time. It also includes adjustable pressure controls, enabling users to customize the spray pattern and pressure according to the specific requirements of their painting task.

In conclusion, the Graco PT2500 is a feature-rich paint sprayer that combines portability, innovative technology, and user-friendly design. Whether tackling major renovations or simple home improvement projects, this sprayer provides the reliability and performance that users expect from Graco products. With its advanced features, the PT2500 is an excellent investment for anyone looking to achieve professional-quality results in their painting endeavors.
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