Larius NOVA 55:1 EXT Operating And Maintenance Manual page 19

Remove the complete shutter unit, the stop (O27) the washer
(O20) and the cylinder (O21) from the shutter unit.
• Dismantle the shutter unit and proceed with replacing gaskets
(see also the exploded spare parts view).
O39
O27
Fig. 3O
• Remove the upper gaskets pack: the ring (O10), the gaskets
(O11) and the ring (O13). Replace worn components.
Fig. 4O
ED. 06 - 07/2020 - Cod. 150152
• Remove the conjunction tie rods from above (O39).
• Unscrew the fitting (O25) and remove the ball (O24), the ring
(O23), the gaskets (O11), the ring (O13) and the washer (O22)
(replace worn parts).
O21
O20
• For correct reassembly of various components and of the
O13
O23
complete pumping unit, see the exploded spare parts view.
O10
O11
O13
nova 55:1 ext
O22
O11
O24
O25
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