Graco Inc 800-707, 800-706, 308-532 manual Troubleshooting Chart, Problem Cause Solution

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 level.

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.

 

Loose or wrong battery connection.

Check and tighten battery connections.

 

Battery not properly charged.

Check electrolyte level of cells, recharge battery.

 

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.

 

 

Incorrect ignition timing.

Time engine.

 

 

 

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 natural

Check filter. Replace packings. See PUMP

 

wear.

SERVICE.

 

Inadequate water supply.

Check water flow rate to pump.

 

Belt slippage.

Tighten or replace; use correct belts and replace

 

 

both at same time.

 

Fouled or dirty inlet or discharge valves. Even

Clean inlet and discharge valve assemblies. Check

 

a small particle can cause the valve to stick.

filter.

 

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

Scored, damaged or worn plungers.

Install new plungers. See PUMP SERVICE.

premature failure of

Abrasive material in the fluid being pumped.

Install proper filtration on pump inlet plumbing.

the packings

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 or

Clean or replace tip. See Installing and Changing

 

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

 

 

308–532 9

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Contents Rev a 800-706, Series a800-707, Series a Pressure Relief Procedure General SafetySpray Gun Safety Devices Medical TreatmentFuel and Emission Hazards Hose SafetyEquipment Misuse Hazard System PressureTerms Moving Parts HazardSet Up InstallationCheck for Shipping Damage Connect to Water SupplyStartup Trigger Safety Latch Installing and Changing Spray TipsFollow the Pressure Relief Procedure Pressure Relief Procedure MaintenanceSHUTDOWN, Flushing Storage Interval What to doProblem Cause Solution Troubleshooting ChartParts Drawing Hydra-Cleanr3540 Pressure WasherPart Description QTY Parts ListHydra-Cleanr4043 Pressure Washer Fuel Tank Assembly Pump Assembly Kit Repair Kit Description Qty 801-041 Kit Repair Kit Description Qty804-099 Servicing the Valves Pump ServiceServicing the Pumping Section Servicing the Seals and V-PackingsServicing Crankcase Section Reassembly800-649 3540 AccessoriesModel Technical DataGraco Warranty Important Phone NumbersGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN Parts Change Notice NEW Pump Assembly Parts Description Qty USE only Genuine Graco Parts and AccessoriesKit Repair Kit Description

308-532, 800-706, 800-707 specifications

Graco Inc. is a well-respected name in the manufacturing industry, particularly known for its diverse portfolio of equipment designed for the construction, manufacturing, and maintenance sectors. Among their many offerings are the Graco models 308-532, 800-706, and 800-707, each of which embodies innovation and reliability.

The Graco 308-532 is a versatile airless sprayer that excels in applying coatings with precision. Built with a high-performance pump, it delivers a consistent flow, ensuring an even application of paint or other materials. This model is favored by contractors for its ability to handle various projects, from residential painting to large commercial jobs. Its lightweight design and portability make it easy to maneuver, while features like an adjustable pressure control provide users with the ability to fine-tune the spray pattern for different materials.

The Graco 800-706 takes performance up a notch with its robust hydraulic design. This airless sprayer is engineered for efficiency, equipping users to tackle larger jobs with ease. It boasts a powerful yet quiet motor, making it suitable for residential areas or indoor applications. One of the standout characteristics of the 800-706 is its advanced monitoring system that ensures optimal operation. Users appreciate its quick-change technology, allowing for seamless switch-outs between spray tips or hoses, facilitating a fast transition between different tasks without downtime.

Rounding out this trio is the Graco 800-707, a model engineered for heavy-duty applications. Known for its durability, it is designed to withstand the rigors of daily use on demanding job sites. The 800-707 features high-capacity tanks, allowing for extended work periods without frequent refilling. Its state-of-the-art filtration system guarantees that only clean material is used, preserving the integrity of the finish. Additionally, this model is equipped with smart technology that helps streamline the spraying process, providing diagnostics and maintenance alerts to keep it running at peak performance.

In summary, Graco’s 308-532, 800-706, and 800-707 models are exemplary representatives of the company's commitment to quality, innovation, and user-friendly design. Whether for small residential jobs or large-scale commercial projects, these sprayers offer a combination of performance, versatility, and reliability that is hard to match in the industry. With ongoing advancements in technology and relentless focus on customer needs, Graco continues to be a leader in the field of spraying equipment.
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