Manuals / Graco Inc / Lawn and Garden / Pressure Washer

Graco Inc 3245, 800-066, 801-644 manual Problem Cause

Models: 3245 801-644 800-066

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PROBLEM

CAUSE

 

 

 

"

 

 

En ine Will Not Start

No gasoline in fuel tank or

Oraard To Start.

carburetor.

 

 

Water in gasoline or old fuel.

 

Choked improperly. Flooded

 

engine.

the

out

 

Dirty carburetor air filter.

 

Spark plug dirty or improper

 

!gap.

 

 

 

Spray gun closed.

 

 

"

 

 

Engine Misses Or Lacks

Partially plugged air filter.

Power

Spark'plug dirty, wrong gap,

 

3r wrong type.

 

 

I

 

 

 

IIncorrect ignition tithing.

 

"

 

 

Low Pressure

1JVorn nozzle.

 

 

IJelt slippage.

 

 

4ir leak in inlet plumbing.

 

I%lief valve stuck, partially

 

,lugged or

improperly

 

I

 

worn.

 

adjusted; valve seat

 

Inlet suction strainer clogged01

 

mproper size.

 

 

I

 

 

 

\aorn packin Abrasives in

 

lumped f l u i j o r severe cavita-

 

I

 

 

 

t:ion. Inadequate water supply.

 

I=oulsd or dirty inletordischarge

 

\ralves.

 

 

 

\Norn inlet or discharge valves.

 

I.eaky discharge hose

 

"

 

 

'ump runs extremely rough, fiestricted inletor air entering

xessure low.

t he inlet plumbing.

Inlet restrictions and/or air

I/eaks. Stuck inlet or discharge umalve.

Fill the tank with gasoline, open fuel shut-off valve.

Check fuel line and carburetor.

Drain fuel tank and carburetor. Use new fuel and dry. suark. .ulug-.

Open choke and crank engine several timestoI

clear gas.

.

Remove and clean.

Clean, adjust the gap or replace.

Remove and clean.

Clean, adjust the gap, or replace.

Time engine.

Replace with nozzle of proper size.

Tighten or replace; usecorrect belts and replace

both at same time.

I

Disassemble, reseal,

and.reassemble.

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

Clean. Use adequate size. Check more frequently.

Install proper filter.Check flow available to pump.

Clean inlet and dischargevalve assemblies.

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

Pro er size inlet plumbing; check for air tight sea?

Clean out foreign material, replace worn valves.

1.eakingH.P. seals.

Reolace seals.

 

"

Nater kaka e from under

cVorn packing.

he manifold!

-

 

~~

n

Nater in pump crankcase.

Aay be caused by humid,air

 

Condensing into water lnslde

 

-

 

Crankcase.

:requent orprematurefailure! C;cored plungers.

)f the packmg.

her pressure to inlet manifold.

 

C

' Clamaged or worn plungers.

Prbrasive material in the fluid being pumped.

Install newpacking.

Change oil at 3 month or500Hour intervalsusing theCrankcase Oil (otherap roved oil every month or

200hours) P.N. 801-f44.

Replace plungers. Reduce inlet pressure. Replace plungers.

Install properfiltration on pump inletplumbing.

Eixcessive pressure and/or tl?mperature of fluid being Pumped.

Check pressures and fluidinlet temperature; be jure they are within speclfted range.

;trong surging at the inlet nd low pressure on the ischarge side.

Clver pressure of pumps.

3educe pressure.

-

lo not run pump without water.

R:unning pumpdry.

Foreign particles in the inlet or

:heck

for smooth lap surfaces on inlet and

d,ischarge valve, or worn inlet

iischar

e valve seats. Discharge valve seats and

and/or discharge valves.

nlet va9ve seatsmay be lapped on a veryflne 011

;tone.

L

801-644 5

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Graco Inc 3245, 800-066, 801-644 manual Problem Cause
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3245, 801-644, 800-066 specifications

Graco Inc. is a leading manufacturer in the fluid and paint application equipment industry, delivering innovative solutions for a wide range of applications. Among its notable products are models 800-066, 3245, and 801-644, each designed to meet specific operational needs while providing efficiency and reliability.

The Graco Inc. 800-066 is well-regarded for its versatility in paint application. It is ideal for both professional and DIY projects, featuring an adjustable pressure setting that allows users to tailor the spray output according to the material being used. This model also boasts a high-efficiency airless pump that ensures consistent coverage, reducing the time needed for painting large surfaces. The lightweight construction and compact design make it easy to navigate around job sites, while the QuickChange Piston System simplifies maintenance and enhances longevity.

The 3245 model represents Graco’s commitment to ergonomics and ease of use. This airless sprayer is engineered to minimize user fatigue, featuring a comfortable grip and a well-balanced design. The 3245 is equipped with advanced filtration technology that helps prevent clogging and ensures a smooth spray pattern, thus enhancing overall efficiency. This makes it an excellent choice for extensive projects requiring continuous operation, such as commercial painting or large-scale renovations.

Graco’s model 801-644 stands out with its robust build and high-performance capabilities. It is designed to handle heavy-duty applications, suitable for professionals who demand reliability and durability in their equipment. The 801-644 incorporates a ProConnect system that allows for quick and easy component replacement without the need for specialized tools. This not only saves time during maintenance but also minimizes downtime on critical projects. Its high-output pump and precise nozzle design contribute to optimal paint atomization, resulting in a flawless finish.

In summary, Graco Inc. models 800-066, 3245, and 801-644 demonstrate the company’s leadership in the fluid application market. Their focus on user-friendly design, advanced technology, and durable construction ensures that users can rely on these tools for efficient and effective application of paints and coatings. Whether for home improvement, commercial use, or industrial applications, Graco’s innovative solutions continue to set the standard in the industry.