Graco 288048 important safety instructions General Troubleshooting, Problem Cause Solution

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Troubleshooting

Troubleshooting

Check all possible remedies in the troubleshooting charts before disassembling the gun.

Some improper patterns are caused by the improper balance between air and fluid. Refer to Spray Pattern Troubleshooting, page 16.

General Troubleshooting

Problem	Cause	Solution


Fluid leakage through venting holes.	Worn o-rings or packings on needle	Replace o-rings or needle assembly.
	assembly (12).

Air leakage through venting hole.	Worn o-ring (23).	Check and replace as needed.

Air leakage from back of gun.	Worn o-rings (22, 23).	Replace o-rings.

Fluid leakage from front of gun.	Fluid needle (12) is dirty, worn, or	Clean or replace fluid needle.
	damaged
	Dirty or worn seat (10, 41).	Clean or replace the seat (10, 41)
		and gasket (11). The gasket must be
		replaced whenever you remove the
		seat from the gun.
	Spray tip seal is leaking.	Tighten nut (7) or replace spray tip
		gasket (8).
	Seat (10, 41) is insufficiently tight-	Tighten seat (10, 41) and replace
	ened or gasket (11) is missing or	gasket (11). The gasket must be
	worn from multiple uses.	replaced whenever you remove the
		seat from the gun.

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311053H

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Contents Automatic Airless Spray Guns Model 288048 ShownContents Equipment Misuse Hazard Pressurized Equipment Hazard Configure Gun and Manifold InstallationVentilate Spray Booth Non-circulating SystemInstall Air Fittings Ground SystemStationary Support Mount Mount GunReciprocating Arm Rod Mount All ManifoldsSetup Manifolds 288219 KEYAdjust a Streaming Tip Install Spray TipAdjust Spray Pattern Flush Spray GunApply the Fluid Pressure Relief ProcedureOperation IncorrectDaily Gun Care Daily Flushing Procedure General System MaintenanceDaily Cleaning Procedure Perform Pressure Relief Procedure,Problem Cause Solution TroubleshootingGeneral Troubleshooting Problem Cause Solution Spray Pattern Troubleshooting Service DisassemblyService Notes Reassembly Parts Model11† Ref. only Part No. Description Qty TIP see GG0 Series Tip Selec Tion Charts,Parts Description Qty North America and International ManifoldGG0 Series Tip Selection Charts GG0 Series Spray TipsStreaming Tips Sealer Application Tip and Air Cap Selection ChartsShower Tip Single Orifice Fan Pattern Spray TipsAccessories Dimensions Mounting Hole Layout Manifold Mounting Hole LayoutTriggering Speed Technical DataSound Power Levels dBa Sound Pressure Levels dBaGraco Standard Warranty Graco Information