Graco 288048 important safety instructions Problem Cause Solution

Page 15

 

 

Troubleshooting

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Fluid needle will not trigger

Loose or missing fluid needle stop

Replace stop (17) or tighten setscrew

 

(17) or setscrew (16).

(16).

 

Broken fluid needle (12).

Replace fluid needle (12).

 

Air leaking around piston (21).

Replace o-ring (22) or piston assem-

 

 

bly (21).

 

Swollen piston o-ring (22).

Replace o-ring (22). Do not immerse

 

 

piston in solvent.

 

Insufficient air pressure on the trig-

Increase the air pressure or clean the

 

ger.

air line.

 

Spray tip (9) is plugged.

Clean the spray tip (9).

 

Plug (4) is in the incorrect fluid port.

Move the plug to the fluid port consis-

 

 

tent with manifold plumbing, unless

 

 

you are using the gun in a circulating

 

 

system. If you are, all fluid ports

 

 

should be open, both inside the gun

 

 

and on the manifold.

 

 

 

Fluid does not shut off.

Piston cap (18) not fully tightened.

Tighten piston cap until it bottoms

 

 

out.

 

Spring (19) not in place.

Check spring position.

 

Swollen piston o-ring (22).

Replace o-ring. Do not immerse pis-

 

 

ton in solvent

 

 

 

311053H

15

Image 15
Contents Model 288048 Shown Automatic Airless Spray GunsContents Equipment Misuse Hazard Pressurized Equipment Hazard Non-circulating System InstallationVentilate Spray Booth Configure Gun and ManifoldGround System Install Air FittingsAll Manifolds Mount GunReciprocating Arm Rod Mount Stationary Support MountSetup KEY Manifolds 288219Flush Spray Gun Install Spray TipAdjust Spray Pattern Adjust a Streaming TipIncorrect Pressure Relief ProcedureOperation Apply the FluidDaily Gun Care Perform Pressure Relief Procedure, General System MaintenanceDaily Cleaning Procedure Daily Flushing ProcedureTroubleshooting General TroubleshootingProblem Cause Solution Problem Cause Solution Spray Pattern Troubleshooting Disassembly ServiceService Notes Reassembly Model Parts11† Ref. only TIP see GG0 Series Tip Selec Tion Charts, PartsPart No. Description Qty North America and International Manifold Description QtyGG0 Series Spray Tips GG0 Series Tip Selection ChartsSingle Orifice Fan Pattern Spray Tips Sealer Application Tip and Air Cap Selection ChartsShower Tip Streaming TipsAccessories Dimensions Manifold Mounting Hole Layout Mounting Hole LayoutSound Pressure Levels dBa Technical DataSound Power Levels dBa Triggering SpeedGraco Information Graco Standard Warranty