Graco Inc 258665, 247553, 247552, 247554, 258664, 312585E Troubleshooting, Problem Cause Solution

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Troubleshooting

Troubleshooting

 

 

 

 

 

 

 

 

1. Relieve the pressure, page 9.

 

 

 

 

 

 

 

 

2. Check all possible causes and problems before dis-

 

 

 

 

 

 

 

 

assembling the pump.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Problem

 

Cause

Solution

 

 

 

 

 

 

 

 

 

Pump fails to operate.

Restricted line or inadequate air supply;

Clear; increase air supply. Check that

 

 

 

 

 

 

closed or clogged valves.

valves are open.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Obstructed fluid hose or gun/valve; fluid

Open, clear*; use hose with larger ID.

 

 

 

 

 

 

hose ID is too small.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fluid dried on displacement rod.

Clean; always stop pump at bottom of

 

 

 

 

 

 

 

 

 

stroke; keep wet-cup 1/3 filled with com-

 

 

 

 

 

 

 

 

 

patible solvent.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dirty, worn, or damaged motor parts.

Clean or repair. See manual 311238.

 

 

 

 

 

Pump operates, but output low on both

Restricted line or inadequate air supply;

Clear; increase air supply. Check that

 

strokes.

closed or clogged valves.

valves are open.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Obstructed fluid hose or gun/valve; fluid

Open, clear*; use hose with larger ID.

 

 

 

 

 

 

hose ID is too small.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Bleeder valve open.

Close.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Worn packings in displacement pump.

Replace packings. See displacement

 

 

 

 

 

 

 

 

 

pump manual 311825 or 312745.

 

 

 

 

 

Pump operates, but output low on down-

Held open or worn intake valve.

Clear valve; service. See displacement

 

stroke.

 

 

 

pump manual 311825 or 312745.

 

 

 

 

 

Pump operates, but output low on

Held open or worn piston valve or pack-

Clear valve; replace packings. See dis-

 

upstroke.

ings.

placement pump manual 311825 or

 

 

 

 

 

 

 

 

 

312745.

 

 

 

 

 

Erratic or accelerated pump speed.

Exhausted fluid supply.

Refill and prime.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Held open or worn piston valve or pack-

Clear valve; replace packings. See dis-

 

 

 

 

 

 

ings.

placement pump manual 311825 or

 

 

 

 

 

 

 

 

 

312745.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Held open or worn intake valve.

Clear valve; service. See displacement

 

 

 

 

 

 

 

 

 

pump manual 311825 or 312745.

 

 

 

 

 

 

 

 

 

 

*To determine if the fluid hose or gun is obstructed, relieve the pressure, page 9. Disconnect the fluid hose and place a container at the pump fluid outlet to catch any fluid. Turn on the air power just enough to start the pump. If the pump starts, the obstruction is in the fluid hose or gun.

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312585E

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Contents Wall Mount Packages Cart Mount Packages II 2 GContents Models Related ManualsFire and Explosion Hazard Moving Parts Hazard Installation Flush Before Using EquipmentIntegrated Air Control Module Wall Mount PackagesTypical Installation Cart Mount Package Shown Detail of Integrated Air Control Module CGround Wire GroundingPressure Relief Procedure Cleaning SolutionsOperation FlushingAdjusting the Pump Starting the PumpOperation 312585E Troubleshooting Problem Cause SolutionDisconnect the Displacement Pump Reconnect the Displacement PumpRepair Parts Cart Mount PackageWall Mount Package 247551, 247553, and 258664 Cart Mount Packages 247552, 247554, and 258665 Wall Mount Packages Parts Listings Common PartsParts that Vary by Package Part Description QtyBare Gun Replacement Kits Gun Wand Replacement KitsKits Gun Stainless Steel Fitting KitWall Mounting Bracket Diagram Dimensions In. mmTechnical Data Pump Performance ChartsSee Pump Performance Charts Ratio Pumps 247549Ratio Pumps 247551 Ratio Pumps 247553Ratio Pumps 258664 Graco Standard Warranty Graco Information

247550, 247549, 247551, 312585E, 258664 specifications

Graco Inc. is a leading manufacturer known for its high-quality spray guns, fluid management systems, and equipment across various industries, including construction, automotive, and manufacturing. Among their popular product lines are models such as Graco 247554, 258665, 247553, 312585E, and 247549, each designed with unique features and technologies aimed at enhancing efficiency and performance in fluid handling and application processes.

The Graco 247554 is renowned for its precision and durability. This air-assisted spray gun features a lightweight design, making it user-friendly for prolonged usage. It incorporates advanced atomization technology, providing a superior finish while minimizing material waste. The gun is compatible with a range of coatings, including water-based and solvent-based products, making it versatile for various applications.

The 258665 model stands out with its integrated pressure control system, which facilitates consistent spraying, even with varying application needs. This feature ensures that the user can achieve a uniform coating across surfaces, regardless of the material being used. The ergonomic design reduces strain on the user, making it ideal for intensive spraying tasks.

Graco 247553 offers an innovative piston pump technology that enhances fluid delivery accuracy. It is designed for heavy-duty applications, providing reliability and robust performance. Its easy-to-clean filters improve maintenance efficiency, allowing users to switch between different materials without excessive downtime.

The 312585E model is equipped with cutting-edge electronic monitoring capabilities. This advanced technology provides real-time feedback on flow rates and pressure, enabling operators to adjust settings dynamically for optimal output. This model is especially beneficial in production environments where precision and speed are critical.

Lastly, the Graco 247549 showcases versatility with its interchangeable tip system, allowing users to tailor the spray pattern according to project requirements. Its construction ensures longevity, capable of withstanding the rigors of industrial use.

In summary, Graco Inc.'s models, including 247554, 258665, 247553, 312585E, and 247549, highlight the company's commitment to innovation. They combine advanced technologies and features to improve efficiency, user experience, and adaptability across various fluid application processes, making them essential tools for professionals in different sectors.