Operating .Instructions

Troubleshooting Chart

Symptom

Possible Cause(s)

Corrective Action

Low .or .no .air .pressure

1. . Regulator .set .incorrectly

1. . Reset .regulator

 

2. . Pinched .hose

2. . Straighten .hose

 

3. . Dirty .compressor .filter

3. . Clean .or .replace .filter

 

 

 

Material .not .blasting .from .

1. . Clogged .material .hose

1. . Lower .the .pressure .below .40 .psi. .Firmly .

gun

 

hold .the .gun .tip .flat .against .the .ground .

 

 

and .pull .the .trigger .to .force .the .material .

 

 

back .out .of .the .material .hose

 

2. . Buildup .around .jet

2. . Remove .nozzle .and .clean .around .jet

 

3. . Damp .or .heavy .material

3. . Replace .with .dry .abrasive. .(Damp .material .

 

 

can .be .dried .and .reused)

 

4. . Water .in .air .supply

4. . Drain .air .tank .and .install .air .filter, .See .

 

 

“Moisture .in .Compressed .Air” .box

 

 

 

Gun .will .not .shut .off .- .trigger .

Damaged .o-rings .in .air .valve

Remove .and .replace .o-rings

stuck

 

 

 

 

 

Sputtering .- .low .vacuum

1. . Worn .jet .and/or .nozzle

1. . Replace .jet .and/or .nozzle

 

2. . Abrasive .buildup .around .jet/nozzle

2. . Remove .nozzle .and .jet .and .clean. .Make .

 

 

sure .the .threads .are .clean .before .re-

 

 

assembling

 

 

 

Sputtering .- .air/abrasive .leaks .

1. . Loose .nozzle .or .jet

1. . Tighten .nozzle .or .jet

at .nozzle/jet .area

2. . Damaged .o-ring

2. . Replace .o-ring

 

 

 

 

Sputtering .- .vacuum .leak

1. . Loose .material .hose

1. . Tighten .material .hose

 

2. . Damaged .o-ring

2. . Replace .o-ring

 

 

 

Sputtering .- .particle .clogging

Hose .connector .hole .is .covered

Uncover .hose .connector .hole

 

 

 

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