Fig. 3O
Fig. 4O
O21
O20
O27
O39
O22
O24
O23
O13
O25
O11
O10
O13
O11
www.larius.com
19
nova 55:1 ext
ED.
06 - 07/2020 - Cod. 150152
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
).
• 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
).
• Remove the upper gaskets pack: the ring (
O10
), the gaskets
(
O11
) and the ring (
O13
). Replace worn components.
• For correct reassembly of various components and of the
complete pumping unit, see the exploded spare parts view.