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7
REPLACING THE IMPELLER
If you have thoroughly cleaned the pre-lter cage and still have diminished ow rates, then you will need to remove and
inspect the impeller and internal pump body.
For more information about our company or products, please visit our website at www.alpine4u.com or call us (USA) 1-877-710-0162
u Unscrew the four screws and remove the pre-lter from
the pump.
(Figure 5.1)
v To remove the pump body cover, remove all 8 screws.
(Figure 5.2)
w
Pull the pump cover o the impeller housing.
(Figure 5.3)
x
Pull the impeller out of the impeller housing.
(Figure 5.4)
y
If your impeller and impeller housing have excessive
scale build-up, clean with a mild acid, such as white vinegar or
non-abrasive calcium, lime and rust remover product using a
sponge or soft-bristled brush that won’t scratch the stainless
steel. Removing scale build-up will allow your pump to run
like new again.
(Figure 5.5)
(Chart 3.1)
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