22.MAINTAIN CORRECT AIR PRESSURE WHENEVER WORKING. Do not allow pressure to exceed 125 PSI. If the safety valve does not release excess air pressure, stop all work and use the air compressor to release pressure in the tank. Do not attempt any repairs to the Sandblaster until its gauge reads “0”.
AIR/SAND SUPPLY REQUIREMENTS
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| Hose | Hose | Nozzle | Compressor | CFM | Sand Use |
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| ID | Length | ID | HP | @ 125 PSI | Per Hour |
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| 3/8" | 50 ft. | 0.1" | 2 | 6 | 60 lbs. |
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| 3/8" | 25 ft. | 0.125" | 4 | 12 | 100 lbs. |
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| 1/2" | 50 ft. | 0.15" | 7 | 20 | 150 lbs. |
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| 1/2" | 25 ft. | 0.175" | 10 | 25 | 200 lbs. |
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UNPACKING
When unpacking, sort all pieces and check according to the parts list and diagram to make sure all parts are included. All sizes listed are approximate. All Valve Assemblies are individually packed. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual.
