Graco 3A2587H important safety instructions Troubleshooting, Problem Cause Solution

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Troubleshooting

Troubleshooting

This equipment stays pressurized until pressure is manually relieved. To help prevent serious injury from pressurized fluid, such as skin injection, splashing fluid and moving parts, follow the Pressure Relief Procedure when you stop spraying and before cleaning, checking, or servicing the equipment.

Check everything in this Troubleshooting Table before you bring the sprayer to an authorized service center.

Problem

Cause

Solution

 

 

 

 

 

 

Sprayer makes no sound when

Trigger is locked.

Disengage trigger lock. See page 8.

trigger is pulled

 

 

Power supply.

Verify power to sprayer.

 

 

 

 

 

Motor has overheated.

Wait 20-30 minutes for motor to cool.

 

 

 

 

Sprayer circuit breaker has interrupted power.

Push and hold Circuit Reset Button (page 6)

 

 

to restore power to sprayer.

 

 

 

Sprayer makes sound but no material is

Sprayer is not primed.

Prime the pump. See Starting a New Job

sprayed when trigger is pulled

 

(or Refilling the Material Cup), page 11.

 

 

Use pump access armor storage/startup tool to

 

 

clear pump of debris. See Storage, page 17.

 

 

Clean air vent holes or the air vent valve as your

 

 

model is equipped. See Shutdown and

 

 

Cleaning, page 15.

 

Prime/spray valve is in UP position.

Put valve DOWN to spray position.

 

 

 

 

Flexible suction tube is missing or improperly

Make sure flexible suction tube is properly

 

installed.

installed.

 

 

 

 

Flexible suction tube strainer or vent valve or

See Shutdown and Cleaning, page 15.

 

vent holes are clogged.

 

 

Flexible suction tube o-rings are damaged or

Replace flexible suction tube o-rings.

 

missing.

 

 

Flexible suction tube damaged.

Replace flexible suction tube.

 

 

 

 

Spray tip is not in SPRAY position.

Turn spray tip to SPRAY position.

 

 

 

 

Spray tip is clogged.

See Unclogging Spray Tip/Guard

 

 

Assembly, page 14.

 

Spray tip filter is clogged.

Remove and clean spray tip filter. See Unclog-

 

 

ging Spray Tip/Guard Assembly, page 14.

 

Pressure control knob is too low.

Turn pressure control knob up.

 

 

 

 

Sprayer has been tilted too far and suction tube

Make sure material cup is filled with material.

 

has lost contact with material.

Rotate flexible suction tube, page 9. Do not tilt

 

 

the material cup too far. Prime the pump. See

 

 

Starting a new Job (or Refilling the Material

 

 

Cup), page 11.

 

No or low material in material cup.

Refill material cup with material and prime the

 

 

pump.

 

 

 

 

Inlet valve is stuck from material residue left in

Use pump access armor storage/startup tool to

 

sprayer.

clear pump of debris. If unsuccessful, see

 

 

Storage, page 17. See Inlet Valve

 

 

Removal/Service, page 21.

 

Pump is clogged, frozen, or has debris inside.

See Outlet Valve Fitting Repair, page 22 and

 

 

Inlet Valve Removal/Service, page 21.

 

Material is leaking from hole in front of sprayer.

Replace needle assembly.

 

 

 

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3A2587H

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Contents Adjustable Pressure Fixed Pressure Model Voltage DescriptionTable of Contents Grounding Extension CordsExtension Cord Gauge Extension Cord Length AWG Minimum Fire and Explosion Hazard Electric Shock HazardSkin Injection Hazard Equipment Misuse Hazard Pressurized Aluminum Parts HazardMoving Parts Hazard Toxic Fluid or Fumes HazardComponent Identification Using Electrical Cords Power CordGrounding and Electrical Requirements Extension Cord RequirementsPressure Relief Procedure Trigger LockPrime/Spray Valve Trigger LockedReversible Spray Tip Pressure Control KnobFlexible Suction Tube Not available on all unitsSprayer Setup Overheating ProtectionStarting a New Job Or Refilling the Material Cup If sprayer fails to prime, try one of the steps belowChoosing Pressure Control Knob Setting Choosing the Correct TipUnderstanding Tip Number Selecting Tip Hole SizeInstall Spray Tip/Guard Assembly if not installed Getting Started with Basic TechniquesTriggering Sprayer Unclogging Spray Tip/Guard Assembly Aiming SprayerSpray Pattern Quality Shutdown and Cleaning Flushing SprayerTi15529ati18926a Cleaning Sprayer Exterior StorageReplacement Parts Models 16N658, 16N659, 16N673, 17C810Parts List Models 16N658, 16N659, 16N673, 17C810 DescriptionModel 16N659, 16N673, 17C810 16M873 Inlet Valve Fitting Removal/Service InstallationOutlet Valve Fitting Repair RemovalGeneral Service WiringTroubleshooting Problem Cause SolutionSpray Pattern Diagnostics MaterialSee Shutdown and Cleaning, Troubleshooting Leaks Problem Cause SolutionTechnical Data Hand-Held Sprayer Models 16N673, 16N659 MetricHand-Held Sprayer Model 16N658 Metric Preferred Material Settings Log Date Material Spray Pressure SettingExample Mark Dial3A2587H Graco Standard Warranty Graco Information