Graco 3A2587H important safety instructions Troubleshooting Leaks, Problem Cause Solution

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Troubleshooting

Troubleshooting Leaks

Points A

Point B

Point C

Points D

ti19436a

Problem	Cause	Solution


Sprayer is leaking fluid at Points A	Spray/tip guard assembly is loose.	Tighten spray/tip guard assembly.
	O-ring inside needle assembly is	Replace o-ring (108195).
	worn out.
Sprayer is leaking fluid at Point B	O-ring on rear of needle assembly is	Replace o-ring (108195).
	worn out.
	If 3 solutions above do not stop the leaking, replace needle assembly kit.
Sprayer is leaking fluid at Point C	Prime/spray valve assembly is worn	Replace prime/spray valve assembly.
	out.
Sprayer is leaking fluid at Points D	Pump is worn out.	Replace bare or complete pump
		housing assembly.

3A2587H

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Image 27

Contents Model Voltage Description Adjustable Pressure Fixed PressureTable of Contents Grounding Extension CordsExtension Cord Gauge Extension Cord Length AWG Minimum Fire and Explosion Hazard Electric Shock HazardSkin Injection Hazard Toxic Fluid or Fumes Hazard Equipment Misuse HazardPressurized Aluminum Parts Hazard Moving Parts HazardComponent Identification Extension Cord Requirements Using Electrical CordsPower Cord Grounding and Electrical RequirementsTrigger Locked Pressure Relief ProcedureTrigger Lock Prime/Spray ValveNot available on all units Reversible Spray TipPressure Control Knob Flexible Suction TubeOverheating Protection Sprayer SetupIf sprayer fails to prime, try one of the steps below Starting a New Job Or Refilling the Material CupSelecting Tip Hole Size Choosing Pressure Control Knob SettingChoosing the Correct Tip Understanding Tip NumberInstall Spray Tip/Guard Assembly if not installed Getting Started with Basic TechniquesTriggering Sprayer Unclogging Spray Tip/Guard Assembly Aiming SprayerSpray 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 Mark Dial Preferred Material Settings LogDate Material Spray Pressure Setting Example3A2587H Graco Information Graco Standard Warranty