Graco Inc 800-701, 800-703, 800-702 Troubleshooting Chart, Pump Service, Equipment Misusehazard

Page 9

TROUBLESHOOTING CHART

WARNING

To reduce the risk ofserious bodily injury, including fluid injection, splashing the eyesor on the skin or injurytom movingpalls, alwaysfollow the Pressure Relief ProcedureWarnlng before proceeding.

1

CAUSE

SOWTION

PROBLEM

 

No gasolineinfuel tankM carburetor.

Fillthe tank with gasoline, openfuel shut off valve.

Enginewill not stail

or is hardto start

 

 

Check fuel line and carburetor.

 

Low oil.

 

Addto proper level.

 

 

W S l o p switchinSlopposition.

Move switchto Start position.

 

Water In gasoline oroldfuel.

Drainfuel tank and carburetor. Use newfuel and dry

 

 

 

spak Plug.

 

 

Choked improperly. Flooded engine.

Open choke and crank engine several times to clear

 

 

 

out gas.

 

 

Dirty air cleaner filter.

Remove and clean.

 

 

Spark plug dirty, wronggap or wrong type. Clean, adjust the gap or replace.

 

Spray gun closed.

Trigger spray gun.

 

Engine misses or

Partially plugged air cleaner filter.

Remove and clean.

 

lacks power

Spark plug dirty, wrong gap or wrong type.Clean, adjust the gap or replace.

 

Low pressure and101

Wornor wrongsizetip.

Replacewith tip of piopsr size.

pump runs rough

inlet filter dogged.

Clean. Check more frequently.

 

 

Worn packings.abrasivs inwater or

Check filter. Replace packingsSee. PUMP SERVICE.

 

natural wear.

 

Check water flow rateto pump.

 

Inadequate water supply.

 

Belt slippage.

 

Tighten or replace;use correct beits and replace both

 

Fouledor dirty inlet or discharge valves.

at same time.

 

 

Clean inlet and dischargevalve assemblies. Check

 

Even a small particlecan cause the valve

filter.

 

 

lostick.

 

 

 

 

Restricted inlet.

 

Check garden hose, maybe collapsed or kinked.

 

Worn inlet or discharge valves.

Replace worn valves.

 

 

Leaking high pressure hose.

Replace high pressure hose.

Water leakage from

Worn packings.

 

Install new packingsSee.

PUMP SERVICE.

under pump manifol

 

 

 

 

Water In pump

Humid air condensing inside crankcase.

Change oilasspecified in MAINTENANCE.

 

Nom pkings.

 

Install new packingsSee.

PUMP SERVICE.

 

Oil seals leakino.

 

Install newoil seals. See PUMPSERVICE.

Frequent or

bred.damaged orworn plungers.

Install new plungers.See PUMP SERVICE.

premature failure of

ruKaslve materialinthe fluid beingp u m p

Install proper filtration on pump inlet plumbing.

the packings

 

Inlet water temperaturetoo high.

Check water temprature; may notexceed 160°F.

 

3verpressurizing pump.

Do not modify any factory-set adjustmentsSee.

 

 

 

EQUIPMENT MISUSEHAZARD.

 

3cessive pressure dueto partially pluggec Clean or replace tipSee. Installing and Changing Spray

 

3r damaged tip.

 

lips.

 

 

'ump running too long without spraying.

Never run pump more than10 minutes without spraying,

 

3unning pump dry.

Do not run pump wlthoul water.

 

 

 

Strong surging atthc

=oreign particlesinthe inlet or discha e

Clean or replace valves.See PUMP SERVICE.

inlet and low

lakeor wom inlet and/or dischargeva'Byes.

 

 

pressure on the

 

 

 

 

308-531 Q

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Contents HYDRA-CLEAN@2545,3040,3235 Your body and cause extremely seriousbodily injury Engage the trigger safety latchIncluding the need for amputation. Also, fluid injected DamageFuel Andemission Hazards Hose SafetyEquipment Misusehazard Moving Parts HazardTerms NOW. Identifies helpful procedures and InformationInstallation Set UpCheck for Shipping Damage Connect to Water Supply Start the engine StartupTrigger Safety Latch Shown Engaged Installingand Changing Spray TipsSHUTDOWN, Flushing Storage MaintenanceTroubleshooting Chart Pump ServiceEquipment Misusehazard Parts Drawing 800-701and 800-702 Hydra-Clean@ 2545 Pressure Washer Parts ListParts Drawing 800-704 Hydra-Clean@3040 Pressure Washer800-704 Hydra-Cleano 3040 Pressure Washer 800-705Hydra-Clea Spring Pump Assembly Crankcase Part Description NO. noKIT C3 KITC3 ValveServicing the Valves Pump ServiceServicing the Pumping Section Servicing the Seals and V-PackingsServicingCrankcase Section Accessories For injecting mildcleaning chemicals upstream into the pumpBACKFUlW Preventor All 4 cycle, airwaled Technical DataGraco Warranty Important Phone NumbersGraco INC. RO.BOX 1441 MINNEAPOLIS,MN

2545, 308-531, 3235, 800-705, 800-704 specifications

Graco Inc. is a leading manufacturer in the field of fluid handling equipment, renowned for its innovation and commitment to quality. Among its extensive product line, Graco offers a variety of models including the 800-703, 800-701, 800-702, 308-531, and 800-705. Each of these models is designed to meet specific needs in different industrial applications, ensuring efficiency and reliability in operations.

The Graco 800-703 is optimized for high-capacity pumping applications. This model features robust construction materials that enhance durability, making it ideal for handling various industrial fluids. Its advanced motor technology ensures consistent performance, while the easy-to-use controls provide operators with the precision they need for optimal results.

In contrast, the 800-701 model is particularly well-suited for low-pressure applications. It boasts a lightweight design, making it easy to transport and operate in confined spaces. The 800-701 utilizes a unique diaphragm technology that minimizes wear and tear, ensuring longevity and reduced maintenance costs. Its design also includes noise-reduction features, making it perfect for environments where sound levels need to be kept to a minimum.

The Graco 800-702 is a versatile option that excels in both medium-pressure environments and lightweight applications. This model is equipped with a user-friendly digital display, which allows operators to monitor fluid flow and pressure in real-time. It features an innovative air motor design that enhances efficiency while minimizing operational costs.

The Graco 308-531 is built for heavy-duty applications and offers exceptional pressure resistance. Its robust construction allows it to handle viscous materials with ease, making it a favorite in industries like construction and automotive. The 308-531 also incorporates the latest safety features, including automatic shut-offs and pressure relief valves, to protect both the equipment and operators.

Finally, the Graco 800-705 combines portability with performance. Its compact size does not compromise on power, as it can efficiently handle a wide range of fluids. This model is particularly popular in paint spraying applications, thanks to its excellent atomization technology, which guarantees a smooth and uniform finish.

In summary, Graco Inc. continues to lead the way in fluid handling solutions with models like the 800-703, 800-701, 800-702, 308-531, and 800-705. Each model features unique technologies and specifications tailored to specific industrial needs, reinforcing Graco’s reputation for reliability and innovation.