PROBLEM

CAUSESOLUTION

-0w~pressure.

Worn nozzle.

Belt slippage.

Air leak in inlet plumbing.

Relief valve stuck, partially plugged or improperly adjusted, valve seat worn.

Inlet suctionstrainer clogged 01 improper size.

Replace with nozzle of proper Size.

Tighten or replace; usecorrect belts and replacl both at same time.

Disassemble, reseal, and reassemble

Clean, and adjust relief valve; check for worn and dirty valve seats. Kit available.

Clean. Use adequate size. Check more frequently.

. .

’ump runs extremely rough, Iressure low.

Worn packing. Abrasives in pumped fluid or severe cavita- tion. Inadequate water supply.

Fouled or dirty inlet or discharge valves.

Worn inlet or discharge valves. Leaky discharge hose.

Restricted inlet or air entering the inlet plumbing.

Inlet restrictions and/or air ‘eaks. Stuck inlet or discharge talve.

Install proper filter. Check flow available to pump.

Clean inlet anddischarge valve assemblies.

Replace worn valves, valve seats and/or discharge hose.

Proper size inlet plumbing; check for airtight seal.

Clean out foreign material, replace worn valves

.

... ... ..I

:” -...: .

Nater leakage from under :he manifold.

Nater in pump crankcase.

:requent or premature ailure of the packing.

;trow surging at the inlet lnd low pressure on the lischarge side.

-caking H.P. seals.

vVorn packing.

May be caused by humid air :ondensing into water inside the :rankcase.

Scored plungers.

3ver pressure to inlet manifold.

lamaged or worn plungers.

4brasive material in the fluid )eing pumped.

ixcessive pressure-and/or tem. )erature of fluid being pumped.

h e r pressure of pumps.

lunning pump dry.

:oreign particles in the inlet or lischarge valve, or worn inlet Ind/or discharge valves.

Replace seals.

Install new packing

Change oil at 3 month or 500hour intervals usins Graco Crankcase Oil (other approved oil evenl month or 200 hours) P.N. 801-144.

Replace plungers,

Reduce inlet pressure.

Replace plungers.

Install proper filtration on pump inlet plumbing,

Check pressures andfluid inlettemperature; be sure they are within specified range.

Reduce pressure.

Do not run DumD without water.

Check for smooth lap surfaces on inlet and. discharge valve seats. Discharge valve seats and inlet valve seats may be lapped on a very fine oil stone.

801-392 5

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Graco Inc 2104E, 800-053, 801-392 manual Problem Causesolution
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2104E, 801-392, 800-053 specifications

Graco Inc. is a renowned manufacturer of fluid management solutions, and among its impressive product lineup, the Graco 800-053, 2104E, and 801-392 stand out due to their advanced features and technologies. These products cater to various industries, providing reliable pumping solutions for moving fluids with precision and efficiency.

The Graco 800-053 is a robust air-operated diaphragm pump designed for high-performance applications. Its primary features include a durable construction with a stainless-steel option, ensuring corrosion resistance and longevity. This model excels in handling various viscous fluids and can operate at a maximum flow rate of up to 25 gallons per minute. The adjustable stroke length allows users to tailor performance to the specific needs of each application, while its easy-to-replace diaphragm reduces maintenance downtime, making it a popular choice for industries such as paint, coatings, and chemical processing.

The Graco 2104E is a versatile electric airless sprayer known for its powerful performance and user-friendly design. One of the key technologies integrated into this model is the ProConnect system, allowing for quick and hassle-free pump replacements. The 2104E features an innovative fluid pressure control that enhances application accuracy and consistency. It also boasts a lightweight design, making it portable and easy to maneuver. Users appreciate the flexibility of this sprayer, as it can handle various materials, including water-based and solvent-based coatings, making it suitable for both indoor and outdoor applications.

Lastly, the Graco 801-392 is a part of Graco's industry-leading line of portable hydraulic pumps. Designed for maximum efficiency, this model integrates high-performance technology to deliver consistent pressure and flow. The 801-392 features an oil reservoir with a large capacity, which means less frequent refills, enhancing productivity on job sites. Built with a sturdy frame, it can withstand the rigors of daily use in demanding environments. The simple control panel allows for intuitive operation, making it accessible for users of all skill levels.

In summary, Graco Inc. continues to set industry standards with models like the 800-053, 2104E, and 801-392, each featuring advanced technologies and durable designs that cater to the diverse needs of fluid management across various sectors. Their commitment to innovation ensures they provide solutions that meet the challenges faced by professionals in today’s fast-paced working environments.
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