HP 288048 manual General Troubleshooting, Problem Cause Solution

Page 14

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.

 

 

 

14

311053C

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Contents Automatic Airless Spray Guns Model 288048 ShownContents Related ManualsEquipment 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
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