N8
N9
N6
N12
N13
N14
N7
N14
N13
N12
N6
N15
N16
N10
N11
N11
N10
N3
N2
N1
N4
N5
ED.
03 - 10/2020 - Cod. 150087
www.larius.com
11
nova 20:1 ext
• Unscrew the coupling sleeve so as to disconnect the pumping
group from the motor.
• Disconnect the air feeding pipe to the pump.
• Unscrew the fitting (
N1
)
and the sleeve
(
N2
).
• Turn counterclockwise the screws (
N3
)
take care to the washers
(
N4
)
and remove the covering
(
N5
).
• Unscrew the two ring nuts
(
N6
)
from the support
(
N7
).
• Turn counterclockwise the screws
(
N8
)
take care to the washers
(
N9
) and remove the support
(
N7
) together with the rollers
(
N10
)
and the pins (
N11
).
• Extract the spring
(N12)
, the spring guide rod
(N13)
and the
roller pushing piston (
N14
). Ensure the spring slides freely on
the guide rod, the guide rod slides into the roller pushing piston
and this last slides into the mount hole.
• Check the roller
(
N10
)
and the pin
(
N11
) are undamaged.
Replace them if damaged.
• Remove and check the rubber pad
(
N15
)
and the washer
(
N16
).
Always close the compressed air supply and rele-
ase the pressure in the plant before disassembling
the pneumatic motor of the pump.
DISASSEMBLY OF THE
PNEUMATIC MOTOR
N
Coupling sleeve
Fig. 1N