
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 |
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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 . |
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| and .pull .the .trigger .to .force .the .material . |
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| 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 . |
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| can .be .dried .and .reused) |
| 4. . Water .in .air .supply | 4. . Drain .air .tank .and .install .air .filter, .See . |
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| “Moisture .in .Compressed .Air” .box |
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stuck |
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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 . |
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| sure .the .threads .are .clean .before .re- |
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| assembling |
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1. . Loose .nozzle .or .jet | 1. . Tighten .nozzle .or .jet | |
at .nozzle/jet .area | 2. . | 2. . |
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1. . Loose .material .hose | 1. . Tighten .material .hose | |
| 2. . | 2. . |
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Hose .connector .hole .is .covered | Uncover .hose .connector .hole | |
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