HP 288048 manual Spray Pattern Troubleshooting

Page 16

Troubleshooting

Spray Pattern Troubleshooting

Problem

Cause

Solution

 

 

 

 

 

 

Fluttering spray.

Insufficient fluid supply.

Adjust fluid regulator or fill fluid sup-

 

 

ply tank.

 

Air in paint supply line.

Check, tighten siphon hose connec-

 

 

tions, bleed air from paint line.

 

 

 

Spitting spray.

Worn seat (10, 41) or needle (12)

Inspect seat and needle for wear.

 

ball.

Replace if necessary. The gasket

 

 

(11) must be replaced whenever you

 

 

remove the seat from the gun.

 

Dirty spray tip (9).

Clean.

 

 

 

Swollen piston o-ring (22).

Replace o-ring. Do not immerse pis-

 

ton in solvent.

 

 

 

Irregular pattern.

Fluid build-up or spray tip partially

Clean spray tip; see Daily Gun Care,

 

plugged.

page 12.

 

 

 

Air cap loosening. (Sealant gun only)

Air cap (18) not properly tightened.

Tighten. See Reassembly, page 19,

 

Gasket (38) worn.

step 13.

 

 

 

 

Replace gasket.

 

 

 

16

311053C

Image 16
Contents Automatic Airless Spray Guns Model 288048 ShownContents Related ManualsEquipment Misuse Hazard Pressurized Equipment Hazard Installation Ventilate Spray BoothConfigure Gun and Manifold Non-circulating SystemInstall Air Fittings Ground SystemMount Gun Reciprocating Arm Rod MountStationary Support Mount All ManifoldsSetup Manifolds 288219 KEYInstall Spray Tip Adjust Spray PatternAdjust a Streaming Tip Flush Spray GunPressure Relief Procedure OperationApply the Fluid IncorrectDaily Gun Care General System Maintenance Daily Cleaning ProcedureDaily Flushing Procedure Perform Pressure Relief Procedure,General Troubleshooting TroubleshootingProblem Cause Solution Problem Cause Solution Spray Pattern Troubleshooting Service DisassemblyService Notes Reassembly Parts Model11† Ref. only Parts TIP see GG0 Series Tip Selec Tion Charts,Part No. Description Qty Description Qty North America and International ManifoldGG0 Series Tip Selection Charts GG0 Series Spray TipsSealer Application Tip and Air Cap Selection Charts Shower TipStreaming Tips Single Orifice Fan Pattern Spray TipsAccessories Dimensions Mounting Hole Layout Manifold Mounting Hole LayoutTechnical Data Sound Power Levels dBaTriggering Speed Sound Pressure Levels dBaGraco Standard Warranty Graco Information