Bush Pump Above Grade Riser Pipe Replacement

はじめに

This guide will walk you through the procedure to remove the above grade riser pipe. You can then replace it with a new one, or perform any necessary repairs on it.

必要な工具と部品

手順1 Head and Handle

Bush Pump Above Grade Riser Pipe Replacement, Head and Handle: 手順 1、 2の画像 1

Bush Pump Above Grade Riser Pipe Replacement, Head and Handle: 手順 1、 2の画像 2

Test pump performance by pumping 40 strokes.
An effective pump should return at least 10 liters.

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手順2

Remove the two pins connecting the handle to the slider.

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手順3

Pull the two lever arms away from the slider.

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手順4

Lift the two pins attaching the pump frame to the head and handle up, off of the pump frame.

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手順5

Bush Pump Above Grade Riser Pipe Replacement: 手順 5、 3の画像 3

Throughout this step, make sure you support the handle and head with at least three hands.
Slide the bearing rod out of the head.
Inspect the bearing rod and head for any wear or tear.

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手順6

Remove the head and handle, and place them on a clean surface to prevent contamination.

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手順7 Riser Main Slider

Bush Pump Above Grade Riser Pipe Replacement, Riser Main Slider: 手順 7、 2の画像 1

Bush Pump Above Grade Riser Pipe Replacement, Riser Main Slider: 手順 7、 2の画像 2

Firmly lift the riser main slider with two hands.
Use caution not to drop the riser main, as this can damage the pump cylinder.

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手順8

Bush Pump Above Grade Riser Pipe Replacement: 手順 8、 3の画像 3

Use a pipe wrench to fully loosen the above grade riser pipe.

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手順9

Bush Pump Above Grade Riser Pipe Replacement: 手順 9、 3の画像 3

Lift the slider and riser main pipe.
Place a pump rod clamp around the rod, and tighten it securely against the pump rod.
Carefully lower the riser main and slider to allow it to rest on the rod clamp.

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手順10

Bush Pump Above Grade Riser Pipe Replacement: 手順 10、 3の画像 3

Loosen and remove both the pump rod jam nut and pump rod nut on the top of the slider.

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手順11

Remove the riser main slider, and inspect it for wear and tear.
Set the slider in a sanitary place to prevent contamination.

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手順12 Above Grade Riser Pipe

Bush Pump Above Grade Riser Pipe Replacement, Above Grade Riser Pipe: 手順 12、 3の画像 1

Bush Pump Above Grade Riser Pipe Replacement, Above Grade Riser Pipe: 手順 12、 3の画像 2

Bush Pump Above Grade Riser Pipe Replacement, Above Grade Riser Pipe: 手順 12、 3の画像 3

Remove the above grade riser pipe.
Firmly screw a T-handle onto the pump rod.
If you are replacing the above ground riser main, leave the T-handle attached until you are ready to install the replacement part.