Symptom | Possible Cause |
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Tool does not | 1. | Motor is at fault. |
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| 1. | Motor may be stuck in position | |||||
operate when the |
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| from | improper | storage. | ||
trigger is pressed, |
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| Lubricate the air tool and rotate | ||||
but air runs freely |
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| spindle by hand a few times. | ||||
from exhaust. |
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| Next use the trigger to operate | ||||
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| the air tool while | ||||
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| several times in the process to | ||||
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| flush the tool. |
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Tool runs slowly, | 1. | Air regulator or tool |
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| 1. | Adjust the air regulator to 90 | |||||
and only a small |
| adjustment is at fault. |
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| PSI, or 100 PSI if the air hose is | ||||||
amount of air exits |
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| longer than 25 feet. | ||||
from the exhaust |
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| the throttle valve screw to the | ||||
port. |
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| fully open position. |
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| 2. | Trigger | throttle | valve | is | 2. | Disassemble the throttle valve | ||||
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| obstructed. |
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| and clean out sludge and | |||||
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| contaminants. |
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| 3. | Intake | filter screen | is | 3. | Clean the filter screen behind | |||||
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| clogged. |
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| the air supply fitting (see Figure | ||||
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| 1, on Page 5). |
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| 4. | Motor loaded with | moisture | 4. | Disassemble air tool, clean, and | ||||||
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| or oil sludge. |
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| relubricate. Lubricate | air | tool | |||
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| and rotate spindle by hand a | ||||
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| few times. Next use the trigger | ||||
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| to operate the air tool, | ||||
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| several times in the process to | ||||
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| flush the system. |
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Tool does | 1. | Trigger bent or throttle valve | 1. | Bend trigger back to its normal | |||||||
not shut OFF |
| at fault. |
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| position so throttle valve is free | ||||
when trigger is |
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| to return to fully released or | ||||
released. |
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| OFF position. |
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| 2. | Throttle valve stuck open. |
| 2. Replace throttle valve spring or | |||||||
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Air tool becomes | 1. | Air tool heats up from | 1. Repair | air tool, | and | correct | |||||
hot or noisy |
| insufficient lubrication or | a |
| oiler | lubrication | |||||
during operation. |
| worn bearing. |
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| adjustment, or follow | manual | ||||
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| lubrication requirements. |
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Air tool becomes | 1. | The intake of moisture and | 1. Keep compressor tank drained, | ||||||||
too cold to hold, |
| the pressure drop is causing |
| service, | reposition, | or | add | ||||
or ice crystals |
| moisture to freeze in the |
| additional water separators in | |||||||
form at exhaust |
| tool. |
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| the supply system. |
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port. |
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Model T23096 Industrial 1⁄4" Die Grinder |