REPAIR INSTRUCTION - GP6132
PUMP SYSTEM MALFUNCTIONS
| MALFUNCTION | CAUSE |
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| The Pressure and/ | Worn packing seals |
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| Replace packing seals |
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| or the Delivery Drops | Broken valve springs | Replace springs |
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| Belt slippage |
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| Tighten or Replace belt |
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| Worn or Damaged nozzle | Replace nozzle |
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| Fouled discharge valve | Clean valve assembly |
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| Worn or Plugged relief valve on pump | Clean, Reset, and Replace |
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| worn parts |
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| Cavitations |
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| Check suction lines on inlet |
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| of pump for restrictions |
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| Unloader |
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| Check for proper operation |
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| Water in Crankcase | High Humidity |
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| Reduce oil change intervals |
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| Worn Seals |
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| Replace seals |
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| Noisy Operating | Worn bearings |
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| Replace bearings, Refill |
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| crankcase oil with recommended |
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| lubricant |
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| Cavitation |
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| Check inlet lines for restrictions |
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| and/or proper sizing |
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| Rough/Pulsating | Worn packing |
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| Replace packing |
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| Operation with |
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| Pressure Drop | Inlet restriction |
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| Check system for stoppage |
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| air leaks, correctly sized |
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| inlet plumbing to pump |
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| Accumulator pressure | Recharge/Replace accumulator |
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| Unloader |
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| Check for proper operation |
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| Cavitation |
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| Check inlet lines for restrictions |
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| and/or proper size |
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| Pump Pressure as | Restricted discharge plumbing |
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| Drop at gun Rated, |
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| rate of pump |
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| Pressure |
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| Excessive | Worn plungers |
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| Replace plungers |
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| Leakage | Worn packing/seals |
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| Adjust or Replace packing seals |
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| Excessive vacuum |
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| Reduce suction vacuum |
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| Cracked plungers |
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| Replace plungers |
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| Inlet pressure too high | Reduce inlet pressure |
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| High Crankcase | Wrong Grade of Oil |
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| Giant oil is recommended |
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| Temperature | Improper amount of oil in crankcase | Adjust oil level to proper amount |
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| Preventative Maintenance Check List & Recommended Spare Parts List | |||||||||||||
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| Every |
| Every |
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| Every |
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| 500 |
| 1500 |
| 3000 | |
Check |
| Daily |
| Weekly | 50 Hrs. |
| Hours |
| Hours |
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Oil Level/Quality |
| X |
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Oil Leaks |
| X |
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Water Leaks |
| X |
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Belts, Puelly |
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| X |
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Plumbing |
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| X |
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| Recommended Spare Parts |
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Oil Change |
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(1 gallon) p/n 01154 |
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| X |
| X |
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Plunger Seal Kit |
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(1 kit/pump) |
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| X |
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Oil Seal Kit |
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(1 kit/pump) |
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| X |
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Valve Repair Kit |
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(1 kit/pump) |
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| X | |
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