| PROBLEM | CAUSE | CORRECTION | 
| Pressure reading | It is normal for "some" | If there is an excessive | 
| on the regulated | pressure drop to occur. | amount of pressure drop | 
| pressure gauge | 
 | when the accessory is used, | 
| drops when an | 
 | adjust the regulator following | 
| accessory is | 
 | the instructions in the | 
| used. | 
 | "Description of Operation" | 
| 
 | 
 | paragraph in the "Operation" | 
| 
 | 
 | section. | 
| 
 | 
 | NOTE: Adjust the regulated | 
| 
 | 
 | pressure under flow | 
| 
 | 
 | conditions (while accessory is | 
| 
 | 
 | being used). | 
| Knocking Noise. | Possible defect in safety | Operate safety valve | 
| 
 | valve. | manually by pulling on ring. | 
| 
 | 
 | If valve still leaks, it should | 
| 
 | 
 | be replaced. | 
| 
 | Defective check valve. | Remove and clean, or | 
| 
 | 
 | replace. | 
| 
 | 
 | 
 | 
| Compressor is | Prolonged excessive use of | Decrease amount of air | 
| not supplying | air. | usage. | 
| enough air | Compressor is not large | Check the accessory | 
| to operate | ||
| accessories. | enough for air requirement. | air requirement. If it is | 
| 
 | 
 | higher than the SCFM or | 
| 
 | 
 | pressure supplied by your | 
| 
 | 
 | air compressor, you need a | 
| 
 | 
 | larger compressor. | 
| 
 | Hole in hose. | Check and replace if | 
| 
 | 
 | required. | 
| 
 | Check valve restricted. | Remove and clean, or | 
| 
 | 
 | replace. | 
| 
 | Air leaks. | Tighten fittings. | 
| 
 | Restricted air intake filter. | Clean or replace air intake | 
| 
 | 
 | filter. Do not operate the | 
| 
 | 
 | air compressor with the | 
| 
 | 
 | filter removed. Refer to the | 
| 
 | 
 | "Air Filter" paragraph in the | 
| 
 | 
 | "Maintenance" section. | 
| Regulator knob | Damaged regulator. | Replace. | 
| has continuous | 
 | 
 | 
| air leak. | 
 | 
 | 
| 
 | 
 | 
 | 
| 19- ENG | A10244 |