Introduction

Follow this guide to remove the head of the pump for repair or replacement.

Tools

No tools required.

Parts

No parts required.

Before performing any repairs, perform a water test on the pump by raising and lowering the handle a full 40 strokes. A properly performing pump will yield greater than 10 liters.
  • Before performing any repairs, perform a water test on the pump by raising and lowering the handle a full 40 strokes. A properly performing pump will yield greater than 10 liters.

  • Remove the hex head bolt from the top of the access door on the pump head.

  • On reassembly, this bolt should be hand-tight.

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Pull the access door straight up off the pump head.
  • Pull the access door straight up off the pump head.

  • Store the access door in a sanitary place to prevent contamination.

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  • The access door has a tongue that fits into the base of the pump head.

  • The access door makes a convenient tray to hold nuts and bolts during the disassembly.

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  • Place the spacer collar around the pump rod below the raised chain, with the beveled side down, and the flat side facing up.

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  • The following procedure requires two people. If you attempt to do this alone, you risk injuring yourself and damaging the pump.

  • Lift the pump handle until the base of the chain comes to rest on the spacer collar, and the chain is slack. Hold the handle in this position while the chain is being detached.

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  • Using the two access holes, place an angled socket wrench on the bolt and nut attaching the chain to the pump handle.

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  • Hold the wrench on the bolt stationary.

  • Loosen the nut.

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  • Remove the nut from the chain bolt.

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  • Remove the washer from the chain bolt.

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  • Remove the chain bolt.

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  • Pull the top of the chain straight off of the pump handle.

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  • Remove the two bolts from the handle side of the pump head.

  • Use one wrench on the bolt and another on the nut beneath. Hold the bolt stationary and loosen the nut.

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  • Remove the two bolts and nuts from the handle side.

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  • After removing the two handle side bolts, have your partner support the weight of the handle.

  • Remove the two remaining bolts in the same fashion.

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  • Lift and remove the pump head from the pump.

  • Store the pump head in a sanitary place, preferably above ground, to prevent contamination.

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Conclusion

To reassemble your device, follow these instructions in reverse order.

Andrew Optimus Goldberg

Member since: 10/17/2009

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