HIBLOW hp-150 Manuale di istruzioni - Pagina 8

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(4) Loosen the U-lock nut and remove one of diaphragm mounting blocks from the rod, and pull out

the other diaphragm mounting block from the pump body together with the rod without loosening

its U-lock nut. (Figs. 7 and 8)

• Since we use powerful permanent magnets for the rod, take care not to get your ﬁngers pinched

by unexpectedly being attracted with its force.

• When pulling out the rod, take care not to allow the rod projection to accidentally to hit the lever of

the automatic stop switch, as this may result in the safety screw of the switch damaging or in its

malfunction.

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(5) To replace the diaphragm of the removed diaphragm mounting block, with a new one, first

remove the diaphragm ring from the diaphragm, then the diaphragm from the diaphragm base.

The ring and the diaphragm can be easily removed by hand, and if it is difﬁcult to do so, then

hold them using radio pliers or the like, and pull them out one by one. (Figs. 9 and 10)

Fig. 9

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Diaphragm base

Diaphragm

Diaphragm ring

CAUTION

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Fig. 10

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Diaphragm base

Diaphragm