Graco 3A2587H Prime/Spray Valve, Pressure Relief Procedure, Trigger Locked

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Common Procedures

Common Procedures

Trigger Lock

Always engage the trigger lock when you stop spraying to prevent the sprayer from being triggered accidentally by hand, or if dropped or bumped.

ti18912a

Trigger Locked

ti18913a

Trigger Unlocked (red ring is visible)

Prime/Spray Valve

	ti16701a
ti16700a
ti14999a UP position	DOWN position
(For priming and releasing	(Ready to spray)
pump pressure)

Follow the Pressure Relief Procedure whenever you see this symbol.

Pressure Relief Procedure

Do not operate or spray near children. Do not aim the sprayer at, or spray any person or animal. Keep hands and other body parts away from the discharge. For example, do not try to stop the paint flow with any part of the body.

This sprayer builds up an internal pressure of 2000 psi (14 MPa, 138 bar) during use. Follow this Pressure Relief Procedure whenever you stop spraying and before cleaning, checking, servicing, or transporting equipment to prevent serious injury.

1. Engage trigger lock.

ti18912a

2. Put prime/spray valve UP to release pressure.

ti14999a

ti16700a

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3A2587H

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Contents Adjustable Pressure Fixed Pressure Model Voltage DescriptionTable of Contents Extension Cord Gauge Extension Cord Length AWG Minimum GroundingExtension Cords Skin Injection Hazard Fire and Explosion HazardElectric Shock 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 SizeTriggering Sprayer Install Spray Tip/Guard Assembly if not installedGetting Started with Basic Techniques Spray Pattern Quality Unclogging Spray Tip/Guard AssemblyAiming Sprayer 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