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| Troubleshooting |
Troubleshooting |
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Problem | Cause | Solution |
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Pump output low on both strokes. | Restricted air supply lines. | Clear any obstructions; be sure all shutoff |
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| valves are open; increase pressure, but |
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| do not exceed maximum working pres- |
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| sure. |
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| Exhausted fluid supply. | Refill and reprime pump. |
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| Clogged fluid outlet line, valves, etc. | Clear. |
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| Worn piston packing. | Replace. See lower manual. |
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Pump output low on only one stroke. | Held open or worn ball check valves. | Check and repair. |
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| Worn piston packings. | Replace. See lower manual. |
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No output. | Improperly installed ball check valves. | Check and repair. |
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Pump operates erratically. | Exhausted fluid supply. | Refill and reprime pump. |
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| Held open or worn ball check valves. | Check and repair. |
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| Worn piston packing. | Replace. See lower manual. |
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Pump will not operate. | Restricted air supply lines. | Clear any obstructions; be sure all shut |
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| off valves are open; increase pressure, |
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| but do not exceed maximum working |
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| pressure. |
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| Exhausted fluid supply. | Refill and reprime pump. |
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| Clogged fluid outlet line, valves, etc. | Clear. |
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| Damaged air motor. | See air motor manual. |
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| Fluid dried on piston rod. | Disassemble and clean pump. See lower |
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| manual. In future, stop pump at bottom of |
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| stroke. |
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3A0538F | 15 |