Graco 309550ZAE important safety instructions Troubleshooting, Problem Cause Solution

Page 23

Troubleshooting

Troubleshooting

1. Follow Pressure Relief Procedure, page 15,

 

2. Check all possible problems and causes before

before checking or repairing gun.

 

 

disassembling gun.

 

 

 

 

 

 

 

 

 

CAUTION

 

 

 

To prevent cross-contamination of the gun’s wetted

 

 

 

parts, do not interchange A component (isocyanate)

 

 

 

and B component (resin) parts.

 

 

 

 

 

 

 

 

 

PROBLEM

 

CAUSE

SOLUTION

 

 

 

 

 

 

Gun does not fully actuate when trig-

Safety lock engaged.

Disengage safety lock, page 10.

gered.

 

 

 

 

 

 

 

 

Plugged muffler (22).

Clean, page 20.

 

 

 

 

Damaged air valve o-rings (24).

Replace, page 33.

 

 

 

Fluid does not spray when gun is fully

Closed fluid valves (12b).

Open.

actuated.

 

 

 

 

 

 

 

 

Plugged impingement ports.

Clean, page 21.

 

 

 

 

Plugged check valves (26).

Clean, page 31.

 

 

 

Gun actuates slowly.

Plugged muffler (22).

Clean, page 20.

 

 

 

 

Damaged piston o-rings (16, 17).

Replace, page 32.

 

 

 

 

Dirty air valve, or damaged o-rings

Clean air valve or replace o-rings,

 

(24).

 

 

page 33.

 

 

 

Gun delays, then actuates abruptly.

Cured material around side seals

Inspect side seals (18c) and mix

 

(18).

 

 

chamber (19) for scratches. Replace,

 

 

 

 

page 29.

 

 

 

 

Retaining ring (9) not bottomed out.

Tighten retaining ring until bottomed

 

 

 

 

out.

 

 

 

Loss of round pattern.

Dirty mix chamber nozzle.

Clean, page 21.

 

 

 

Loss of flat pattern.

Plugged spray tip.

Clean in compatible solvent, page

 

 

 

 

18.

 

 

 

 

 

 

Worn tip.

 

 

Replace, page 18.

 

 

 

 

Dirty mix chamber nozzle.

Clean, page 21.

 

 

 

Leakage between flat tip and mix

Tip not seated properly.

Reassemble, page 18.

chamber.

 

 

 

 

 

 

 

 

Damaged/missing o-ring (40).

Replace, page 18.

 

 

 

Pressure imbalance.

Plugged impingement ports.

Clean, page 21.

 

 

 

 

Plugged check valves (26).

Clean, page 31.

 

 

 

 

Viscosities not equal.

Adjust temperature to compensate.

 

 

 

 

 

23

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Contents Psi 24.5 MPa, 245 bar Maximum Fluid Working Pressure Plural Component, Impingement Mix Air Purge Spray GunManual Conventions ContentsRound Pattern Guns List of Models/Mix Chamber Selection GuideFlat Pattern Guns Flat Pattern Stud Wall Gun Non 11 Ratio Guns Spatter Pattern GunWide Round Pattern Gun Four-Hose GunPersonal Protective Equipment Fire and Explosion Hazard Key Overall ViewGrounding Piston Safety LockIsocyanate Hazard Keep a and B Components SeparateLoss of Air Pressure Follow Pressure Relief Procedure,Turning Air Cap Resin ISO SetupSetup Shutdown Pressure Relief Procedure Remove Front End, Optional ConfigurationsOptional Fluid Manifold PositionOptional Hose Position Follow Pressure Relief Procedure, page 15. AlsoFlat Spray Tips Maintenance Clean Fluid Manifold Clean Outside of GunClean Air Cap Clean MufflerNozzle Drill Bit Sizes Clean Mix Chamber NozzleClean Passages Clean Impingement PortsCbip Impingement Port Drill Bit SizesProblem Cause Solution TroubleshootingProblem Cause Solution Gun Detriggered Air Purging Theory of OperationGun Triggered Fluid Spraying Cutaway View Remove Front End RepairTools Required LubricationX Z Attach Front End18 B Mix Chamber and Side Seal Cartridges18c 18b 18d Check Valves Piston Air Valve Piston Safety LockCheck Valve 26 Detail PartsSee Supplied Tools, Part No. Description QtyRound Pattern Guns, See Flat Pattern Guns,Detail Views Mix Chamber Part No. Reference Guide Mix Chamber KitsRound Pattern Guns Flat Pattern GunsFlat Tip Part No. Reference Guide Flat Tip KitsGun Repair Kits Check Valve Filter Screen KitsKit Part No Qty in Kit Drill Bit Size Illustration Nominal Drill Bit Kits248969 Air Purge Handle Cleanout Drill KitDrill Bit Kit 119386Polycarballoy Side Seal Kits AccessoriesWide Pattern Mix Chamber Kits Stainless Steel Side Seal KitsFlat Pattern Stud Wall Kit Extension Tip KitsExtension Tip Seal Kits Extension Tip Air Cap KitGun Cover Spatter Conversion KitSolvent Flush Canister Kit Pour Nozzle KitCirculation Manifold Tip Cleanout ToolGun Cleaning Kit Category Data Technical DataAir Flow Data in scfm m3/min For Graco Canada Customers Graco Standard Warranty

309550ZAE specifications

The Graco 309550ZAE is a high-performance airless paint sprayer designed for professionals and DIY enthusiasts who demand precision and efficiency in their painting projects. This powerful tool stands out in the market for its robust construction and exceptional capabilities, making it ideal for a wide range of applications, including residential, commercial, and industrial painting tasks.

One of the main features of the Graco 309550ZAE is its powerful motor, which delivers consistent pressure for a smooth and even finish. The sprayer is equipped with a 0.5 horsepower motor that can easily tackle thick coatings, including latex paints and stains. This motor is designed for durability, ensuring that it can withstand the rigors of frequent use without compromising performance.

The Graco 309550ZAE also features a user-friendly control system that allows for easy adjustments and operation. Its adjustable pressure settings enable users to fine-tune the spray pattern according to the specific requirements of their project. This versatility lets painters choose from a variety of spray tips, ensuring optimal coverage whether they are working on walls, ceilings, or intricate moldings.

Another significant characteristic of this sprayer is its lightweight and portable design. Weighing in at just around 25 pounds, the Graco 309550ZAE is easy to transport to different job sites. Its durable wheels and ergonomic handle enhance mobility, making it suitable for both indoor and outdoor applications.

The sprayer's built-in filter system helps prevent clogs and ensures a continuous flow of paint, which is crucial for achieving a flawless finish. Additionally, it comes with a robust hose that can extend up to 50 feet, allowing painters to cover large areas without frequent repositioning.

Moreover, Graco has integrated advanced technologies into the 309550ZAE, such as the ProConnect system. This feature allows for easy pump replacement, ensuring minimal downtime and enabling users to get back to work quickly.

In terms of safety, the Graco 309550ZAE is equipped with an integrated airless spray gun that includes safety features to prevent accidental spraying. This enhances user protection, particularly for those who may be new to using airless sprayers.

Overall, the Graco 309550ZAE combines power, reliability, and ease of use, making it an excellent choice for anyone looking to achieve professional-grade results in their painting projects.
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