Graco Inc 800-699, 800-700, 800-698, 308-530 manual Troubleshooting Chart, Problem

Page 9

TROUBLESHOOTING CHART

WARNING

To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin or injury from moving parts, always follow the Pressure Relief Procedure Warning before proceeding.

PROBLEM

CAUSE

SOLUTION

Engine will not start or

No gasoline in fuel tank or carburetor.

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

is hard to start

 

Check fuel line and carburetor.

 

Low oil

Add to proper level.

 

Start/Stop switch in Stop position.

Move switch to start position.

 

Water in gasoline or old fuel.

Drain fuel tank and carburetor. Use new fuel and dry

 

 

spark 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, wrong gap 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 and/or

Worn or wrong size tip.

Replace with tip of proper size.

pump runs rough

Inlet filter clogged.

Clean. Check more frequently.

 

 

Worn packings, abrasives in water or

Check filter. Replace packings. See PUMP SERVICE.

 

natural wear.

 

 

Inadequate water supply.

Check water flow rate to pump.

 

Fouled or dirty inlet or discharge valves.

Clean inlet and discharge valve assemblies. Check

 

Even a small particle can cause the valve

filter.

 

to stick.

 

 

Restricted inlet.

Check garden hose, may be 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 packings. See PUMP SERVICE.

under pump manifold

 

 

Water in pump

Humid air condensing inside crankcase.

Change oil as specified in MAINTENANCE.

 

Worn packings.

Install new packings. See PUMP SERVICE.

 

Oil seals leaking.

Install new oil seals. See PUMP SERVICE.

 

 

 

Frequent or premature

Scored, damaged or worn plungers.

Install new plungers. See PUMP SERVICE.

failure of the packings

Abrasive material in the fluid being pumped.

Install proper filtration on pump inlet plumbing.

 

 

Inlet water temperature too high.

Check water temperature; may not exceed 160_F.

 

Overpressurizing pump.

Do not modify any factory–set adjustments. See

 

 

EQUIPMENT MISUSE HAZARD.

 

Excessive pressure due to partially plugged

Clean or replace tip. See Installing and Changing

 

or damaged tip.

Spray Tips.

 

Pump running too long without spraying.

Never run pump more than 10 minutes without

 

 

spraying.

 

Running pump dry.

Do not run pump without water.

 

 

 

Strong surging at the

Foreign particles in the inlet or discharge

Clean or replace valves. See PUMP SERVICE.

inlet and low pressure

valve or worn inlet and/or discharge valves.

 

on the discharge side

 

 

Oil leakage between

Worn gasket.

Replace the gasket. See SERVICE SECTION.

the gear reducer cover

 

 

and case

 

 

Oil leakage between

Worn oil seals and/or o-ring.

Replace oil seals and/or o-ring. See SERVICE

the gear reducer cover

 

SECTION.

and the pump

 

 

Oil leakage between

Worn oil seal.

Replace oil seal. See SERVICE SECTION.

the gear reducer case

 

 

and the engine

 

 

308–530 9

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Contents Rev a 1535 2040 2540800-698, Series a 800-699, Series aTerms IndexPressure Relief Procedure General SafetySpray Gun Safety Devices Moving Parts HazardEquipment Misuse Hazard Hose SafetyFuel and Emission Hazards System PressureSet Up Installation1535 Check for Shipping DamageStartup Trigger Safety Latch Installing and Changing Spray TipsFollow the Pressure Relief Procedure Pressure Relief Procedure MaintenanceSHUTDOWN, Flushing Storage Interval What to doProblem Troubleshooting ChartParts Drawing Hydra-Cleanr1535 Pressure WasherPart Description QTY Parts ListHydra-Cleanr2040 Pressure Washer WASHER, Flat 3/8 804-249 Assembly incl 802-139 Hydra-Cleanr2540 Pressure Washer FILTER/STRAINER Replacing the O-Ring Gear Reducer Service ModelReplacing the Gasket Replacing the Oil SealBearing Gear Reducer ModelReplacing the Oil Seals Gear Reducer Service Models 2040Gear Reducer Models 2040 Pump Assembly, 1500 psi 804-101 Kit Repair Kit Description Qty 804-102Pump Assembly, 2000 psi 804-096 Kit Repair Kit Description Qty 804-100Pump Assembly, 2500 psi 804-234 STUD, Retaining 6mm x 64,5mm Kit Repair Kit Description Qty 804-098804-097 Pump Service Model Servicing the ValvesServicing the Seals Torque Chart Pump Part Thread Tool Size ReassemblyServicing the Plungers Servicing Crankcase Section308-530 Reassembly Pump Service Models 2040Servicing the Pumping Section Servicing the Seals and V-PackingsPacking Models ReassemblyHigh Pressure Seal Models Low Pressure Seal-All ModelsDownstream Chemical Injector KIT 800-117 AccessoriesModel Technical DataGraco Warranty Important Phone NumbersGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN

800-700, 308-530, 800-698, 800-699 specifications

Graco Inc is a renowned manufacturer specializing in fluid handling systems used in a variety of applications, particularly in industries such as construction, automotive, and manufacturing. Among their extensive product lineup, models 800-699, 800-698, 308-530, and 800-700 stand out for their innovative features and advanced technologies.

The Graco 800-699 is a versatile air-operated double diaphragm pump designed for high efficiency and reliable performance. Its robust construction includes a corrosion-resistant housing ideal for handling tough fluids. The pump can effectively operate at various pressures, making it suitable for tasks ranging from transferring chemicals to applying coatings. With its easy maintenance design, operators can quickly access key components, minimizing downtime.

Model 800-698 shares similar attributes but is distinguished by its emphasis on portability and ergonomic design. This pump model is lightweight and features a compact form factor, allowing easier transport and setup for mobile applications. Its intuitive controls enable precise flow rate adjustments, giving operators enhanced control over their fluid-handling tasks. Additionally, it is designed for compatibility with a wide range of fluids, enhancing its versatility across different applications.

The 308-530 model is notable for its electric-driven technology. This feature makes it ideal for environments where compressed air is not available or where a quieter operation is required. The 308-530 is equipped with advanced control systems that optimize energy consumption without compromising performance. Moreover, its integrated safety features ensure reliable operation while protecting both the equipment and the operator.

Finally, the Graco 800-700 represents the pinnacle of efficiency in fluid transfer systems. This model utilizes state-of-the-art technology to provide faster flow rates and improved material compatibility. The 800-700 is engineered to handle a wide range of viscous materials, making it perfect for heavy-duty applications. The modular design allows for easy upgrades, ensuring users can keep pace with emerging technologies without extensive disruptions to their operations.

Collectively, these Graco models embody a commitment to quality, durability, and user-friendly design, allowing companies to streamline their processes and enhance productivity in fluid handling tasks. With ongoing advancements and a focus on customer satisfaction, Graco Inc continues to be a leader in this industry.
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