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Why Isn’t My Power Unit Pumping Fluid?

THE PROBLEM: Power unit runs fine but will not pump any fluid.

Do you have a power unit that is working but not pumping fluid? Before you give us a call, our resident expert tells the fix and it’s so easy to do!


power unit priming diagram

Step 1 – Locate the check valve, the flush plug to the left of the lowering valve.
(See illustration.)


Step 2 – Using an Allen wrench and shop towel – with shop towel in place to catch fluid – loosen the check valve plug 2-1/2 turns to allow it to leak.


Step 3 – Push the START button for one second, then release for three seconds.

Repeat these steps until the unit starts pumping fluid.


Step 4 – Tighten the check valve.



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