Graco 3A2587H important safety instructions Spray Pattern Diagnostics, Material

Page 25

 

 

 

 

 

 

Troubleshooting

 

 

 

 

 

 

 

 

Problem

 

Cause

 

Solution

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Sprayer sprays with poor results

 

Spray tip is partially clogged

 

See Unclogging Spray Tip/Guard Assembly,

 

 

 

 

 

 

page 14.

 

 

 

 

 

 

 

 

 

 

 

Spray tip is not in correct position

 

Rotate spray tip to SPRAY position.

 

 

 

 

 

 

 

 

 

 

 

Incorrect spray tip for application of

 

See Reversible Spray Tip Selection Chart,

 

 

 

 

material.

 

page 12.

 

 

 

 

 

 

 

 

 

 

 

Spray tip filter is partially clogged or damaged.

Clean or replace spray tip filter. See page 14.

 

 

 

 

 

 

 

 

 

 

 

Flexible suction tube strainer is partially

 

Clean or replace flexible suction tube. See page

 

 

 

 

clogged.

 

15.

 

 

 

 

 

 

 

 

 

 

 

Spray tip is worn or damaged

 

Replace spray tip. See Install Spray Tip/Guard

 

 

 

 

 

 

Assembly, page 13.

 

 

 

 

 

 

 

 

 

 

 

Material being sprayed is aerated because it

Do NOT shake material. Stir the material or

 

 

 

 

was shaken.

 

check the manufacturer’s recommendation for

 

 

 

 

 

 

the material being sprayed.

 

 

 

 

 

 

 

 

 

 

 

Pressure control knob is too low.

 

Turn up pressure control knob.

 

 

 

 

 

 

 

 

 

 

 

Material being sprayed is too cold to spray.

 

Warm material.

 

 

 

 

 

 

 

 

 

 

 

Inlet or outlet valve fittings are worn.

 

See Outlet Valve Fitting Repair, page 22 and

 

 

 

 

 

 

Inlet Valve Removal/Service, page 21.

 

 

 

 

 

 

 

Paint leaks from sprayer trigger area.

 

Pump has reached its maximum life.

 

Replace pump.

 

 

 

 

 

 

 

Spray Pattern Diagnostics

 

 

 

 

 

 

 

 

 

 

Problem

 

Cause

 

Solution

 

 

 

 

 

 

 

 

 

 

Spray pattern is pulsating:

Operator is moving too fast while spraying.

Slow speed of movement.

 

 

 

 

 

 

 

 

Spray tip or spray tip filter is clogged.

Unclog spray tip or clean spray tip filter, page 14.

 

 

 

 

 

Spray pattern has tails:

Pressure control knob is too low.

Turn up pressure control knob.

 

 

 

 

 

 

 

 

Incorrect spray tip for application of

See Reversible Spray Tip Selection Chart, page 12.

 

 

 

material.

 

 

 

 

 

 

 

 

 

 

Material not compatible with sprayer.

Switch material.

 

 

 

 

 

 

ti15526a

Inlet or outlet valve fittings are worn.

See Outlet Valve Fitting Repair, page 22 and Inlet

 

 

 

Valve Removal/Service, page 21.

 

 

 

 

 

Spray pattern has dripping:

Sprayer is moving too slow for material.

Move sprayer faster while spraying.

 

 

 

 

 

 

 

 

Sprayer is too close to target surface.

Move sprayer away from surface 10 in. (25 cm)

 

 

 

 

 

 

 

 

Holding trigger while changing spray

Release trigger when changing directions.

 

 

 

direction.

 

 

 

 

 

 

 

 

 

 

Incorrect spray tip for application of

See Reversible Spray Tip Selection Chart, page 12.

 

 

 

 

 

 

material.

 

 

 

 

 

 

 

 

 

 

Pressure control knob is too high.

Turn down pressure control knob.

 

 

 

 

 

 

 

 

Spray tip is worn or damaged.

Replace spray tip. See Install Spray Tip/Guard

 

 

 

 

 

Assembly, page 13.

 

 

 

 

 

 

 

3A2587H

25

Image 25
Contents Model Voltage Description Adjustable Pressure Fixed PressureTable of Contents Extension Cords GroundingExtension Cord Gauge Extension Cord Length AWG Minimum Electric Shock Hazard Fire and Explosion HazardSkin Injection Hazard Pressurized Aluminum Parts Hazard Equipment Misuse HazardMoving Parts Hazard Toxic Fluid or Fumes HazardComponent Identification Power Cord Using Electrical CordsGrounding and Electrical Requirements Extension Cord RequirementsTrigger Lock Pressure Relief ProcedurePrime/Spray Valve Trigger LockedPressure Control Knob Reversible Spray TipFlexible Suction Tube Not available on all unitsOverheating Protection Sprayer SetupIf sprayer fails to prime, try one of the steps below Starting a New Job Or Refilling the Material CupChoosing the Correct Tip Choosing Pressure Control Knob SettingUnderstanding Tip Number Selecting Tip Hole SizeGetting Started with Basic Techniques Install Spray Tip/Guard Assembly if not installedTriggering Sprayer Aiming Sprayer Unclogging Spray Tip/Guard AssemblySpray Pattern Quality Flushing Sprayer Shutdown and CleaningTi15529ati18926a Storage Cleaning Sprayer ExteriorModels 16N658, 16N659, 16N673, 17C810 Replacement PartsDescription Parts List Models 16N658, 16N659, 16N673, 17C810Model 16N659, 16N673, 17C810 16M873 Installation Inlet Valve Fitting Removal/ServiceRemoval Outlet Valve Fitting RepairWiring General ServiceProblem Cause Solution TroubleshootingMaterial Spray Pattern DiagnosticsSee Shutdown and Cleaning, Problem Cause Solution Troubleshooting LeaksHand-Held Sprayer Models 16N673, 16N659 Metric Technical DataHand-Held Sprayer Model 16N658 Metric Date Material Spray Pressure Setting Preferred Material Settings LogExample Mark Dial3A2587H Graco Information Graco Standard Warranty